./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/mix053.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_2f0345b6-d65d-4bb2-846e-84267db1dfb6/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0345b6-d65d-4bb2-846e-84267db1dfb6/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_2f0345b6-d65d-4bb2-846e-84267db1dfb6/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0345b6-d65d-4bb2-846e-84267db1dfb6/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix053.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0345b6-d65d-4bb2-846e-84267db1dfb6/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_2f0345b6-d65d-4bb2-846e-84267db1dfb6/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 998817f829569afa1d1e3eda89c2594d280c8ae81957c207a6b68804966cf3a6 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 19:05:36,942 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:05:36,945 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:05:36,978 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:05:36,979 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:05:36,980 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:05:36,982 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:05:36,985 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:05:36,987 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:05:36,989 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:05:36,990 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:05:36,992 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:05:36,993 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:05:36,994 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:05:36,996 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:05:36,998 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:05:37,000 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:05:37,001 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:05:37,004 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:05:37,007 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:05:37,009 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:05:37,011 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:05:37,012 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:05:37,014 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:05:37,018 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:05:37,018 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:05:37,019 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:05:37,020 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:05:37,021 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:05:37,022 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:05:37,022 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:05:37,024 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:05:37,025 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:05:37,026 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:05:37,027 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:05:37,028 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:05:37,029 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:05:37,029 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:05:37,030 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:05:37,031 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:05:37,032 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:05:37,034 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0345b6-d65d-4bb2-846e-84267db1dfb6/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-21 19:05:37,061 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:05:37,062 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:05:37,062 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:05:37,063 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:05:37,064 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:05:37,070 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:05:37,071 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:05:37,071 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:05:37,071 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 19:05:37,072 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:05:37,072 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 19:05:37,072 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:05:37,072 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 19:05:37,072 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 19:05:37,073 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 19:05:37,073 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 19:05:37,073 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:05:37,073 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:05:37,074 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 19:05:37,074 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:05:37,074 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:05:37,074 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 19:05:37,075 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:05:37,075 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:05:37,075 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 19:05:37,075 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 19:05:37,076 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:05:37,076 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 19:05:37,076 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 19:05:37,077 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 19:05:37,078 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 19:05:37,078 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:05:37,078 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_2f0345b6-d65d-4bb2-846e-84267db1dfb6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0345b6-d65d-4bb2-846e-84267db1dfb6/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 998817f829569afa1d1e3eda89c2594d280c8ae81957c207a6b68804966cf3a6 [2021-10-21 19:05:37,376 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:05:37,398 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:05:37,401 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:05:37,403 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:05:37,404 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:05:37,405 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0345b6-d65d-4bb2-846e-84267db1dfb6/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/pthread-wmm/mix053.opt.i [2021-10-21 19:05:37,471 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0345b6-d65d-4bb2-846e-84267db1dfb6/bin/uautomizer-j4sWxH34Be/data/ffd979347/10ce53310a6f4dd0b74d075da6cb47ad/FLAG10d19f26b [2021-10-21 19:05:38,195 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:05:38,196 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0345b6-d65d-4bb2-846e-84267db1dfb6/sv-benchmarks/c/pthread-wmm/mix053.opt.i [2021-10-21 19:05:38,217 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0345b6-d65d-4bb2-846e-84267db1dfb6/bin/uautomizer-j4sWxH34Be/data/ffd979347/10ce53310a6f4dd0b74d075da6cb47ad/FLAG10d19f26b [2021-10-21 19:05:38,440 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0345b6-d65d-4bb2-846e-84267db1dfb6/bin/uautomizer-j4sWxH34Be/data/ffd979347/10ce53310a6f4dd0b74d075da6cb47ad [2021-10-21 19:05:38,446 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:05:38,447 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:05:38,455 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:05:38,456 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:05:38,459 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:05:38,460 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:05:38" (1/1) ... [2021-10-21 19:05:38,461 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@556332b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:05:38, skipping insertion in model container [2021-10-21 19:05:38,461 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:05:38" (1/1) ... [2021-10-21 19:05:38,470 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:05:38,522 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:05:38,729 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_2f0345b6-d65d-4bb2-846e-84267db1dfb6/sv-benchmarks/c/pthread-wmm/mix053.opt.i[944,957] [2021-10-21 19:05:39,076 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:05:39,090 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:05:39,114 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_2f0345b6-d65d-4bb2-846e-84267db1dfb6/sv-benchmarks/c/pthread-wmm/mix053.opt.i[944,957] [2021-10-21 19:05:39,205 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:05:39,264 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:05:39,265 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:05:39 WrapperNode [2021-10-21 19:05:39,265 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:05:39,266 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 19:05:39,267 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 19:05:39,267 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 19:05:39,276 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:05:39" (1/1) ... [2021-10-21 19:05:39,296 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:05:39" (1/1) ... [2021-10-21 19:05:39,327 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 19:05:39,328 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:05:39,328 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:05:39,328 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:05:39,338 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:05:39" (1/1) ... [2021-10-21 19:05:39,338 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:05:39" (1/1) ... [2021-10-21 19:05:39,343 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:05:39" (1/1) ... [2021-10-21 19:05:39,344 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:05:39" (1/1) ... [2021-10-21 19:05:39,355 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:05:39" (1/1) ... [2021-10-21 19:05:39,359 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:05:39" (1/1) ... [2021-10-21 19:05:39,363 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:05:39" (1/1) ... [2021-10-21 19:05:39,381 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:05:39,382 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:05:39,382 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:05:39,382 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:05:39,383 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:05:39" (1/1) ... [2021-10-21 19:05:39,392 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:05:39,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0345b6-d65d-4bb2-846e-84267db1dfb6/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:05:39,420 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0345b6-d65d-4bb2-846e-84267db1dfb6/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 19:05:39,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0345b6-d65d-4bb2-846e-84267db1dfb6/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 19:05:39,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-21 19:05:39,477 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-21 19:05:39,477 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 19:05:39,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-21 19:05:39,477 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-10-21 19:05:39,478 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-10-21 19:05:39,478 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-10-21 19:05:39,478 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-10-21 19:05:39,478 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-10-21 19:05:39,479 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-10-21 19:05:39,479 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-10-21 19:05:39,479 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-10-21 19:05:39,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 19:05:39,480 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-21 19:05:39,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:05:39,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:05:39,482 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 19:05:41,312 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:05:41,313 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-10-21 19:05:41,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:05:41 BoogieIcfgContainer [2021-10-21 19:05:41,316 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:05:41,319 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 19:05:41,320 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 19:05:41,327 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 19:05:41,328 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 07:05:38" (1/3) ... [2021-10-21 19:05:41,329 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4294ba33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:05:41, skipping insertion in model container [2021-10-21 19:05:41,329 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:05:39" (2/3) ... [2021-10-21 19:05:41,330 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4294ba33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:05:41, skipping insertion in model container [2021-10-21 19:05:41,330 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:05:41" (3/3) ... [2021-10-21 19:05:41,332 INFO L111 eAbstractionObserver]: Analyzing ICFG mix053.opt.i [2021-10-21 19:05:41,342 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-21 19:05:41,342 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 19:05:41,342 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-10-21 19:05:41,343 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-21 19:05:41,393 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,393 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,394 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,394 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,394 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,394 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,394 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,394 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,395 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,395 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,396 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,396 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,396 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,397 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,397 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,398 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,398 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,398 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,398 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,399 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,399 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,399 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,400 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,401 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,401 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,401 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,402 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,403 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,403 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,403 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,403 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,404 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,404 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,404 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,404 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,404 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,405 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,405 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,405 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,405 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,405 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,405 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,405 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,406 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,406 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,406 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,406 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,406 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,406 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,407 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,407 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,407 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,407 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,408 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,408 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,408 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,408 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,408 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,408 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,408 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,409 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,409 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,409 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,409 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,409 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,409 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,410 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,410 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,410 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,410 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,412 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,412 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,412 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,413 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,413 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,413 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,413 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,413 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,413 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,414 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,414 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,414 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,414 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,415 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,416 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,419 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,419 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,421 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,421 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,421 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,422 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,422 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,422 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,423 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,428 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,428 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,429 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,429 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,429 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,429 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,429 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,429 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,430 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,430 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,430 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,430 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,430 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,431 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,434 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,435 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,435 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,435 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,436 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,436 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,436 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,436 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,436 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,436 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,437 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,437 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,437 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,437 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,437 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,437 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,438 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,438 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,438 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,438 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,439 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,439 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,440 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,440 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,440 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,440 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,440 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,441 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,441 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,441 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,442 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,442 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,442 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,443 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,444 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,444 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,444 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,444 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,452 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,454 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,454 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,454 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,457 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,457 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,458 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,459 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,459 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,459 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,460 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,460 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,462 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,467 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,468 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,468 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,470 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,470 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,471 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,471 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,473 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,473 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,473 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,473 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,474 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,474 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,474 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,474 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,474 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,475 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,475 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,475 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,475 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,475 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,476 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,476 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,476 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,476 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,477 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,477 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,477 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,477 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,477 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,478 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,478 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,478 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,478 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 19:05:41,480 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-10-21 19:05:41,530 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 19:05:41,537 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 19:05:41,538 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-10-21 19:05:41,568 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 135 places, 124 transitions, 268 flow [2021-10-21 19:05:41,628 INFO L129 PetriNetUnfolder]: 2/120 cut-off events. [2021-10-21 19:05:41,628 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-21 19:05:41,633 INFO L84 FinitePrefix]: Finished finitePrefix Result has 133 conditions, 120 events. 2/120 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 64 event pairs, 0 based on Foata normal form. 0/116 useless extension candidates. Maximal degree in co-relation 83. Up to 2 conditions per place. [2021-10-21 19:05:41,633 INFO L82 GeneralOperation]: Start removeDead. Operand has 135 places, 124 transitions, 268 flow [2021-10-21 19:05:41,639 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 131 places, 120 transitions, 252 flow [2021-10-21 19:05:41,679 INFO L129 PetriNetUnfolder]: 0/85 cut-off events. [2021-10-21 19:05:41,680 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-21 19:05:41,680 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-21 19:05:41,681 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] [2021-10-21 19:05:41,682 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting P3Err0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-21 19:05:41,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:05:41,690 INFO L82 PathProgramCache]: Analyzing trace with hash 528640648, now seen corresponding path program 1 times [2021-10-21 19:05:41,700 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:05:41,702 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837783056] [2021-10-21 19:05:41,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:05:41,708 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:05:41,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:05:42,202 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 19:05:42,203 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:05:42,203 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837783056] [2021-10-21 19:05:42,204 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837783056] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:05:42,205 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:05:42,205 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:05:42,208 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694927132] [2021-10-21 19:05:42,221 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:05:42,222 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:05:42,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:05:42,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:05:42,236 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 124 [2021-10-21 19:05:42,241 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 120 transitions, 252 flow. Second operand has 3 states, 3 states have (on average 115.66666666666667) internal successors, (347), 3 states have internal predecessors, (347), 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 19:05:42,241 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-21 19:05:42,241 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 124 [2021-10-21 19:05:42,243 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-21 19:05:42,324 INFO L129 PetriNetUnfolder]: 9/147 cut-off events. [2021-10-21 19:05:42,324 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-21 19:05:42,326 INFO L84 FinitePrefix]: Finished finitePrefix Result has 182 conditions, 147 events. 9/147 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 198 event pairs, 1 based on Foata normal form. 5/145 useless extension candidates. Maximal degree in co-relation 130. Up to 17 conditions per place. [2021-10-21 19:05:42,328 INFO L132 encePairwiseOnDemand]: 119/124 looper letters, 5 selfloop transitions, 2 changer transitions 0/118 dead transitions. [2021-10-21 19:05:42,328 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 118 transitions, 262 flow [2021-10-21 19:05:42,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:05:42,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-21 19:05:42,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 357 transitions. [2021-10-21 19:05:42,344 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9596774193548387 [2021-10-21 19:05:42,345 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 357 transitions. [2021-10-21 19:05:42,346 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 357 transitions. [2021-10-21 19:05:42,348 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:05:42,351 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 357 transitions. [2021-10-21 19:05:42,356 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 119.0) internal successors, (357), 3 states have internal predecessors, (357), 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 19:05:42,363 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 124.0) internal successors, (496), 4 states have internal predecessors, (496), 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 19:05:42,364 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 124.0) internal successors, (496), 4 states have internal predecessors, (496), 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 19:05:42,366 INFO L186 Difference]: Start difference. First operand has 131 places, 120 transitions, 252 flow. Second operand 3 states and 357 transitions. [2021-10-21 19:05:42,367 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 118 transitions, 262 flow [2021-10-21 19:05:42,372 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 118 transitions, 258 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-10-21 19:05:42,377 INFO L242 Difference]: Finished difference. Result has 127 places, 116 transitions, 244 flow [2021-10-21 19:05:42,413 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=124, PETRI_DIFFERENCE_MINUEND_FLOW=240, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=114, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=244, PETRI_PLACES=127, PETRI_TRANSITIONS=116} [2021-10-21 19:05:42,414 INFO L334 CegarLoopForPetriNet]: 131 programPoint places, -4 predicate places. [2021-10-21 19:05:42,414 INFO L470 AbstractCegarLoop]: Abstraction has has 127 places, 116 transitions, 244 flow [2021-10-21 19:05:42,415 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 115.66666666666667) internal successors, (347), 3 states have internal predecessors, (347), 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 19:05:42,415 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-21 19:05:42,415 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 19:05:42,416 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-21 19:05:42,416 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-21 19:05:42,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:05:42,417 INFO L82 PathProgramCache]: Analyzing trace with hash -1796315724, now seen corresponding path program 1 times [2021-10-21 19:05:42,417 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:05:42,417 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785977491] [2021-10-21 19:05:42,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:05:42,418 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:05:42,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:05:42,807 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 19:05:42,807 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:05:42,807 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785977491] [2021-10-21 19:05:42,808 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785977491] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:05:42,808 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:05:42,808 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-21 19:05:42,808 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889329810] [2021-10-21 19:05:42,810 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-21 19:05:42,810 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:05:42,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-21 19:05:42,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-21 19:05:42,814 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 124 [2021-10-21 19:05:42,818 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 116 transitions, 244 flow. Second operand has 6 states, 6 states have (on average 105.66666666666667) internal successors, (634), 6 states have internal predecessors, (634), 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 19:05:42,819 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-21 19:05:42,819 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 124 [2021-10-21 19:05:42,819 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-21 19:05:43,938 INFO L129 PetriNetUnfolder]: 1311/3868 cut-off events. [2021-10-21 19:05:43,938 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-21 19:05:43,963 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5868 conditions, 3868 events. 1311/3868 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 301. Compared 35534 event pairs, 272 based on Foata normal form. 0/3740 useless extension candidates. Maximal degree in co-relation 5814. Up to 727 conditions per place. [2021-10-21 19:05:43,982 INFO L132 encePairwiseOnDemand]: 113/124 looper letters, 19 selfloop transitions, 7 changer transitions 58/172 dead transitions. [2021-10-21 19:05:43,982 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 172 transitions, 502 flow [2021-10-21 19:05:43,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-21 19:05:43,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-10-21 19:05:43,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1011 transitions. [2021-10-21 19:05:43,993 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9059139784946236 [2021-10-21 19:05:43,993 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1011 transitions. [2021-10-21 19:05:43,993 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1011 transitions. [2021-10-21 19:05:43,994 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:05:43,994 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1011 transitions. [2021-10-21 19:05:43,999 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 112.33333333333333) internal successors, (1011), 9 states have internal predecessors, (1011), 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 19:05:44,005 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 124.0) internal successors, (1240), 10 states have internal predecessors, (1240), 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 19:05:44,007 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 124.0) internal successors, (1240), 10 states have internal predecessors, (1240), 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 19:05:44,007 INFO L186 Difference]: Start difference. First operand has 127 places, 116 transitions, 244 flow. Second operand 9 states and 1011 transitions. [2021-10-21 19:05:44,007 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 135 places, 172 transitions, 502 flow [2021-10-21 19:05:44,011 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 172 transitions, 498 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-21 19:05:44,016 INFO L242 Difference]: Finished difference. Result has 141 places, 110 transitions, 318 flow [2021-10-21 19:05:44,017 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=124, PETRI_DIFFERENCE_MINUEND_FLOW=240, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=109, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=318, PETRI_PLACES=141, PETRI_TRANSITIONS=110} [2021-10-21 19:05:44,017 INFO L334 CegarLoopForPetriNet]: 131 programPoint places, 10 predicate places. [2021-10-21 19:05:44,018 INFO L470 AbstractCegarLoop]: Abstraction has has 141 places, 110 transitions, 318 flow [2021-10-21 19:05:44,018 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 105.66666666666667) internal successors, (634), 6 states have internal predecessors, (634), 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 19:05:44,019 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-21 19:05:44,019 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] [2021-10-21 19:05:44,019 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-21 19:05:44,019 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-21 19:05:44,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:05:44,020 INFO L82 PathProgramCache]: Analyzing trace with hash -1572295627, now seen corresponding path program 1 times [2021-10-21 19:05:44,020 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:05:44,020 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369522396] [2021-10-21 19:05:44,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:05:44,021 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:05:44,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:05:44,260 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 19:05:44,261 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:05:44,261 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369522396] [2021-10-21 19:05:44,263 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369522396] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:05:44,263 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:05:44,263 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-21 19:05:44,263 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739439550] [2021-10-21 19:05:44,265 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-21 19:05:44,265 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:05:44,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-21 19:05:44,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-21 19:05:44,269 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 124 [2021-10-21 19:05:44,270 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 110 transitions, 318 flow. Second operand has 6 states, 6 states have (on average 112.16666666666667) internal successors, (673), 6 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 19:05:44,271 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-21 19:05:44,271 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 124 [2021-10-21 19:05:44,271 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-21 19:05:44,854 INFO L129 PetriNetUnfolder]: 557/1528 cut-off events. [2021-10-21 19:05:44,854 INFO L130 PetriNetUnfolder]: For 3026/3911 co-relation queries the response was YES. [2021-10-21 19:05:44,866 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4644 conditions, 1528 events. 557/1528 cut-off events. For 3026/3911 co-relation queries the response was YES. Maximal size of possible extension queue 159. Compared 11465 event pairs, 200 based on Foata normal form. 62/1519 useless extension candidates. Maximal degree in co-relation 4585. Up to 478 conditions per place. [2021-10-21 19:05:44,880 INFO L132 encePairwiseOnDemand]: 117/124 looper letters, 10 selfloop transitions, 5 changer transitions 31/145 dead transitions. [2021-10-21 19:05:44,881 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 145 transitions, 666 flow [2021-10-21 19:05:44,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-21 19:05:44,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-10-21 19:05:44,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1031 transitions. [2021-10-21 19:05:44,885 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9238351254480287 [2021-10-21 19:05:44,885 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1031 transitions. [2021-10-21 19:05:44,885 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1031 transitions. [2021-10-21 19:05:44,886 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:05:44,887 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1031 transitions. [2021-10-21 19:05:44,890 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 114.55555555555556) internal successors, (1031), 9 states have internal predecessors, (1031), 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 19:05:44,894 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 124.0) internal successors, (1240), 10 states have internal predecessors, (1240), 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 19:05:44,895 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 124.0) internal successors, (1240), 10 states have internal predecessors, (1240), 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 19:05:44,897 INFO L186 Difference]: Start difference. First operand has 141 places, 110 transitions, 318 flow. Second operand 9 states and 1031 transitions. [2021-10-21 19:05:44,897 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 145 transitions, 666 flow [2021-10-21 19:05:44,912 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 145 transitions, 624 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-21 19:05:44,918 INFO L242 Difference]: Finished difference. Result has 136 places, 114 transitions, 393 flow [2021-10-21 19:05:44,918 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=124, PETRI_DIFFERENCE_MINUEND_FLOW=304, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=105, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=393, PETRI_PLACES=136, PETRI_TRANSITIONS=114} [2021-10-21 19:05:44,919 INFO L334 CegarLoopForPetriNet]: 131 programPoint places, 5 predicate places. [2021-10-21 19:05:44,919 INFO L470 AbstractCegarLoop]: Abstraction has has 136 places, 114 transitions, 393 flow [2021-10-21 19:05:44,920 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 112.16666666666667) internal successors, (673), 6 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 19:05:44,920 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-21 19:05:44,921 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] [2021-10-21 19:05:44,921 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-21 19:05:44,921 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-21 19:05:44,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:05:44,923 INFO L82 PathProgramCache]: Analyzing trace with hash 1002209683, now seen corresponding path program 1 times [2021-10-21 19:05:44,923 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:05:44,924 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446425331] [2021-10-21 19:05:44,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:05:44,924 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:05:44,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:05:45,200 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 19:05:45,201 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:05:45,201 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446425331] [2021-10-21 19:05:45,202 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446425331] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:05:45,202 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:05:45,202 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-21 19:05:45,202 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894853330] [2021-10-21 19:05:45,203 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-21 19:05:45,203 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:05:45,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-21 19:05:45,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-10-21 19:05:45,206 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 124 [2021-10-21 19:05:45,208 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 114 transitions, 393 flow. Second operand has 7 states, 7 states have (on average 105.57142857142857) internal successors, (739), 7 states have internal predecessors, (739), 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 19:05:45,209 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-21 19:05:45,209 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 124 [2021-10-21 19:05:45,209 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-21 19:05:45,945 INFO L129 PetriNetUnfolder]: 628/1653 cut-off events. [2021-10-21 19:05:45,945 INFO L130 PetriNetUnfolder]: For 5873/8524 co-relation queries the response was YES. [2021-10-21 19:05:45,960 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5865 conditions, 1653 events. 628/1653 cut-off events. For 5873/8524 co-relation queries the response was YES. Maximal size of possible extension queue 161. Compared 12152 event pairs, 110 based on Foata normal form. 48/1657 useless extension candidates. Maximal degree in co-relation 5796. Up to 483 conditions per place. [2021-10-21 19:05:45,976 INFO L132 encePairwiseOnDemand]: 113/124 looper letters, 26 selfloop transitions, 13 changer transitions 52/179 dead transitions. [2021-10-21 19:05:45,976 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 179 transitions, 1111 flow [2021-10-21 19:05:45,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-21 19:05:45,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-10-21 19:05:45,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1438 transitions. [2021-10-21 19:05:45,981 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.892059553349876 [2021-10-21 19:05:45,982 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1438 transitions. [2021-10-21 19:05:45,982 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1438 transitions. [2021-10-21 19:05:45,983 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:05:45,983 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1438 transitions. [2021-10-21 19:05:45,988 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 110.61538461538461) internal successors, (1438), 13 states have internal predecessors, (1438), 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 19:05:45,992 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 124.0) internal successors, (1736), 14 states have internal predecessors, (1736), 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 19:05:45,994 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 124.0) internal successors, (1736), 14 states have internal predecessors, (1736), 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 19:05:45,994 INFO L186 Difference]: Start difference. First operand has 136 places, 114 transitions, 393 flow. Second operand 13 states and 1438 transitions. [2021-10-21 19:05:45,994 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 179 transitions, 1111 flow [2021-10-21 19:05:46,011 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 138 places, 179 transitions, 1080 flow, removed 12 selfloop flow, removed 4 redundant places. [2021-10-21 19:05:46,015 INFO L242 Difference]: Finished difference. Result has 149 places, 120 transitions, 501 flow [2021-10-21 19:05:46,016 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=124, PETRI_DIFFERENCE_MINUEND_FLOW=382, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=114, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=103, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=501, PETRI_PLACES=149, PETRI_TRANSITIONS=120} [2021-10-21 19:05:46,016 INFO L334 CegarLoopForPetriNet]: 131 programPoint places, 18 predicate places. [2021-10-21 19:05:46,016 INFO L470 AbstractCegarLoop]: Abstraction has has 149 places, 120 transitions, 501 flow [2021-10-21 19:05:46,017 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 105.57142857142857) internal successors, (739), 7 states have internal predecessors, (739), 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 19:05:46,017 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-21 19:05:46,017 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] [2021-10-21 19:05:46,017 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-21 19:05:46,018 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-21 19:05:46,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:05:46,018 INFO L82 PathProgramCache]: Analyzing trace with hash 1889092308, now seen corresponding path program 1 times [2021-10-21 19:05:46,018 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:05:46,019 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138032965] [2021-10-21 19:05:46,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:05:46,019 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:05:46,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:05:46,164 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 19:05:46,164 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:05:46,165 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138032965] [2021-10-21 19:05:46,166 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138032965] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:05:46,166 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:05:46,166 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-21 19:05:46,166 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792986109] [2021-10-21 19:05:46,167 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-21 19:05:46,167 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:05:46,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-21 19:05:46,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-21 19:05:46,169 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 124 [2021-10-21 19:05:46,170 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 120 transitions, 501 flow. Second operand has 6 states, 6 states have (on average 110.16666666666667) internal successors, (661), 6 states have internal predecessors, (661), 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 19:05:46,171 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-21 19:05:46,171 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 124 [2021-10-21 19:05:46,171 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-21 19:05:47,491 INFO L129 PetriNetUnfolder]: 2430/5233 cut-off events. [2021-10-21 19:05:47,492 INFO L130 PetriNetUnfolder]: For 11840/12716 co-relation queries the response was YES. [2021-10-21 19:05:47,557 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13719 conditions, 5233 events. 2430/5233 cut-off events. For 11840/12716 co-relation queries the response was YES. Maximal size of possible extension queue 609. Compared 48288 event pairs, 293 based on Foata normal form. 35/4639 useless extension candidates. Maximal degree in co-relation 13644. Up to 1405 conditions per place. [2021-10-21 19:05:47,615 INFO L132 encePairwiseOnDemand]: 113/124 looper letters, 29 selfloop transitions, 20 changer transitions 0/157 dead transitions. [2021-10-21 19:05:47,616 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 149 places, 157 transitions, 673 flow [2021-10-21 19:05:47,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-21 19:05:47,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-10-21 19:05:47,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1141 transitions. [2021-10-21 19:05:47,621 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9201612903225806 [2021-10-21 19:05:47,621 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1141 transitions. [2021-10-21 19:05:47,621 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1141 transitions. [2021-10-21 19:05:47,623 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:05:47,623 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1141 transitions. [2021-10-21 19:05:47,627 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 114.1) internal successors, (1141), 10 states have internal predecessors, (1141), 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 19:05:47,630 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 124.0) internal successors, (1364), 11 states have internal predecessors, (1364), 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 19:05:47,631 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 124.0) internal successors, (1364), 11 states have internal predecessors, (1364), 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 19:05:47,632 INFO L186 Difference]: Start difference. First operand has 149 places, 120 transitions, 501 flow. Second operand 10 states and 1141 transitions. [2021-10-21 19:05:47,632 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 149 places, 157 transitions, 673 flow [2021-10-21 19:05:47,692 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 157 transitions, 643 flow, removed 15 selfloop flow, removed 6 redundant places. [2021-10-21 19:05:47,696 INFO L242 Difference]: Finished difference. Result has 149 places, 138 transitions, 614 flow [2021-10-21 19:05:47,696 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=124, PETRI_DIFFERENCE_MINUEND_FLOW=471, PETRI_DIFFERENCE_MINUEND_PLACES=134, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=614, PETRI_PLACES=149, PETRI_TRANSITIONS=138} [2021-10-21 19:05:47,696 INFO L334 CegarLoopForPetriNet]: 131 programPoint places, 18 predicate places. [2021-10-21 19:05:47,697 INFO L470 AbstractCegarLoop]: Abstraction has has 149 places, 138 transitions, 614 flow [2021-10-21 19:05:47,697 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 110.16666666666667) internal successors, (661), 6 states have internal predecessors, (661), 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 19:05:47,697 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-21 19:05:47,698 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] [2021-10-21 19:05:47,698 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-21 19:05:47,698 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-21 19:05:47,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:05:47,699 INFO L82 PathProgramCache]: Analyzing trace with hash -2021806349, now seen corresponding path program 1 times [2021-10-21 19:05:47,699 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:05:47,699 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184306029] [2021-10-21 19:05:47,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:05:47,700 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:05:47,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:05:47,912 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 19:05:47,912 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:05:47,913 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184306029] [2021-10-21 19:05:47,913 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184306029] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:05:47,913 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:05:47,913 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-21 19:05:47,914 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468939656] [2021-10-21 19:05:47,914 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-21 19:05:47,914 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:05:47,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-21 19:05:47,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-10-21 19:05:47,917 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 124 [2021-10-21 19:05:47,918 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 138 transitions, 614 flow. Second operand has 7 states, 7 states have (on average 105.71428571428571) internal successors, (740), 7 states have internal predecessors, (740), 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 19:05:47,918 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-21 19:05:47,919 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 124 [2021-10-21 19:05:47,919 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-21 19:05:49,639 INFO L129 PetriNetUnfolder]: 1734/5713 cut-off events. [2021-10-21 19:05:49,640 INFO L130 PetriNetUnfolder]: For 13138/18213 co-relation queries the response was YES. [2021-10-21 19:05:49,722 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18064 conditions, 5713 events. 1734/5713 cut-off events. For 13138/18213 co-relation queries the response was YES. Maximal size of possible extension queue 428. Compared 63042 event pairs, 556 based on Foata normal form. 199/5336 useless extension candidates. Maximal degree in co-relation 17983. Up to 1746 conditions per place. [2021-10-21 19:05:49,770 INFO L132 encePairwiseOnDemand]: 113/124 looper letters, 61 selfloop transitions, 34 changer transitions 0/201 dead transitions. [2021-10-21 19:05:49,770 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 201 transitions, 1405 flow [2021-10-21 19:05:49,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-21 19:05:49,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-10-21 19:05:49,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1429 transitions. [2021-10-21 19:05:49,776 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8864764267990074 [2021-10-21 19:05:49,776 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1429 transitions. [2021-10-21 19:05:49,776 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1429 transitions. [2021-10-21 19:05:49,778 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:05:49,778 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1429 transitions. [2021-10-21 19:05:49,782 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 109.92307692307692) internal successors, (1429), 13 states have internal predecessors, (1429), 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 19:05:49,787 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 124.0) internal successors, (1736), 14 states have internal predecessors, (1736), 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 19:05:49,789 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 124.0) internal successors, (1736), 14 states have internal predecessors, (1736), 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 19:05:49,789 INFO L186 Difference]: Start difference. First operand has 149 places, 138 transitions, 614 flow. Second operand 13 states and 1429 transitions. [2021-10-21 19:05:49,790 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 201 transitions, 1405 flow [2021-10-21 19:05:49,831 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 157 places, 201 transitions, 1391 flow, removed 6 selfloop flow, removed 4 redundant places. [2021-10-21 19:05:49,836 INFO L242 Difference]: Finished difference. Result has 169 places, 162 transitions, 1016 flow [2021-10-21 19:05:49,836 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=124, PETRI_DIFFERENCE_MINUEND_FLOW=600, PETRI_DIFFERENCE_MINUEND_PLACES=145, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=138, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=120, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1016, PETRI_PLACES=169, PETRI_TRANSITIONS=162} [2021-10-21 19:05:49,837 INFO L334 CegarLoopForPetriNet]: 131 programPoint places, 38 predicate places. [2021-10-21 19:05:49,837 INFO L470 AbstractCegarLoop]: Abstraction has has 169 places, 162 transitions, 1016 flow [2021-10-21 19:05:49,838 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 105.71428571428571) internal successors, (740), 7 states have internal predecessors, (740), 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 19:05:49,838 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-21 19:05:49,838 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] [2021-10-21 19:05:49,838 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-21 19:05:49,838 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-21 19:05:49,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:05:49,839 INFO L82 PathProgramCache]: Analyzing trace with hash -1451442541, now seen corresponding path program 1 times [2021-10-21 19:05:49,839 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:05:49,840 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172792362] [2021-10-21 19:05:49,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:05:49,840 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:05:49,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:05:50,026 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 19:05:50,027 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:05:50,027 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172792362] [2021-10-21 19:05:50,027 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172792362] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:05:50,028 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:05:50,028 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-21 19:05:50,028 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920483148] [2021-10-21 19:05:50,029 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-21 19:05:50,029 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:05:50,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-21 19:05:50,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-10-21 19:05:50,035 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 124 [2021-10-21 19:05:50,037 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 169 places, 162 transitions, 1016 flow. Second operand has 7 states, 7 states have (on average 110.14285714285714) internal successors, (771), 7 states have internal predecessors, (771), 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 19:05:50,037 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-21 19:05:50,038 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 124 [2021-10-21 19:05:50,038 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-21 19:05:52,059 INFO L129 PetriNetUnfolder]: 3531/7921 cut-off events. [2021-10-21 19:05:52,059 INFO L130 PetriNetUnfolder]: For 28398/33417 co-relation queries the response was YES. [2021-10-21 19:05:52,157 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30751 conditions, 7921 events. 3531/7921 cut-off events. For 28398/33417 co-relation queries the response was YES. Maximal size of possible extension queue 1005. Compared 81598 event pairs, 157 based on Foata normal form. 638/7872 useless extension candidates. Maximal degree in co-relation 30663. Up to 3582 conditions per place. [2021-10-21 19:05:52,209 INFO L132 encePairwiseOnDemand]: 113/124 looper letters, 34 selfloop transitions, 38 changer transitions 6/204 dead transitions. [2021-10-21 19:05:52,209 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 181 places, 204 transitions, 1440 flow [2021-10-21 19:05:52,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-21 19:05:52,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-10-21 19:05:52,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1485 transitions. [2021-10-21 19:05:52,215 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9212158808933002 [2021-10-21 19:05:52,216 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1485 transitions. [2021-10-21 19:05:52,216 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1485 transitions. [2021-10-21 19:05:52,217 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:05:52,217 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1485 transitions. [2021-10-21 19:05:52,222 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 114.23076923076923) internal successors, (1485), 13 states have internal predecessors, (1485), 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 19:05:52,226 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 124.0) internal successors, (1736), 14 states have internal predecessors, (1736), 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 19:05:52,228 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 124.0) internal successors, (1736), 14 states have internal predecessors, (1736), 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 19:05:52,228 INFO L186 Difference]: Start difference. First operand has 169 places, 162 transitions, 1016 flow. Second operand 13 states and 1485 transitions. [2021-10-21 19:05:52,228 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 181 places, 204 transitions, 1440 flow [2021-10-21 19:05:52,362 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 181 places, 204 transitions, 1378 flow, removed 31 selfloop flow, removed 0 redundant places. [2021-10-21 19:05:52,367 INFO L242 Difference]: Finished difference. Result has 187 places, 176 transitions, 1181 flow [2021-10-21 19:05:52,367 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=124, PETRI_DIFFERENCE_MINUEND_FLOW=954, PETRI_DIFFERENCE_MINUEND_PLACES=169, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=162, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=136, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1181, PETRI_PLACES=187, PETRI_TRANSITIONS=176} [2021-10-21 19:05:52,368 INFO L334 CegarLoopForPetriNet]: 131 programPoint places, 56 predicate places. [2021-10-21 19:05:52,368 INFO L470 AbstractCegarLoop]: Abstraction has has 187 places, 176 transitions, 1181 flow [2021-10-21 19:05:52,369 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 110.14285714285714) internal successors, (771), 7 states have internal predecessors, (771), 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 19:05:52,369 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-21 19:05:52,369 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, 1] [2021-10-21 19:05:52,369 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-21 19:05:52,369 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-21 19:05:52,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:05:52,370 INFO L82 PathProgramCache]: Analyzing trace with hash 1921867860, now seen corresponding path program 1 times [2021-10-21 19:05:52,370 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:05:52,370 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422910887] [2021-10-21 19:05:52,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:05:52,371 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:05:52,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:05:52,579 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 19:05:52,579 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:05:52,580 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422910887] [2021-10-21 19:05:52,580 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422910887] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:05:52,580 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:05:52,580 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-10-21 19:05:52,581 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064930752] [2021-10-21 19:05:52,581 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-21 19:05:52,582 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:05:52,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-21 19:05:52,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-21 19:05:52,585 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 124 [2021-10-21 19:05:52,587 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 187 places, 176 transitions, 1181 flow. Second operand has 8 states, 8 states have (on average 110.125) internal successors, (881), 8 states have internal predecessors, (881), 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 19:05:52,587 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-21 19:05:52,587 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 124 [2021-10-21 19:05:52,587 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-21 19:05:54,603 INFO L129 PetriNetUnfolder]: 3266/7236 cut-off events. [2021-10-21 19:05:54,603 INFO L130 PetriNetUnfolder]: For 55451/65220 co-relation queries the response was YES. [2021-10-21 19:05:54,731 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37781 conditions, 7236 events. 3266/7236 cut-off events. For 55451/65220 co-relation queries the response was YES. Maximal size of possible extension queue 1014. Compared 74983 event pairs, 27 based on Foata normal form. 874/7451 useless extension candidates. Maximal degree in co-relation 37684. Up to 3435 conditions per place. [2021-10-21 19:05:54,794 INFO L132 encePairwiseOnDemand]: 113/124 looper letters, 28 selfloop transitions, 58 changer transitions 25/224 dead transitions. [2021-10-21 19:05:54,794 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 202 places, 224 transitions, 1883 flow [2021-10-21 19:05:54,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-21 19:05:54,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-10-21 19:05:54,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 1829 transitions. [2021-10-21 19:05:54,801 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.921875 [2021-10-21 19:05:54,802 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 1829 transitions. [2021-10-21 19:05:54,802 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 1829 transitions. [2021-10-21 19:05:54,803 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:05:54,804 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 1829 transitions. [2021-10-21 19:05:54,810 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 114.3125) internal successors, (1829), 16 states have internal predecessors, (1829), 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 19:05:54,815 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 124.0) internal successors, (2108), 17 states have internal predecessors, (2108), 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 19:05:54,816 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 124.0) internal successors, (2108), 17 states have internal predecessors, (2108), 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 19:05:54,816 INFO L186 Difference]: Start difference. First operand has 187 places, 176 transitions, 1181 flow. Second operand 16 states and 1829 transitions. [2021-10-21 19:05:54,817 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 202 places, 224 transitions, 1883 flow [2021-10-21 19:05:55,602 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 198 places, 224 transitions, 1770 flow, removed 47 selfloop flow, removed 4 redundant places. [2021-10-21 19:05:55,605 INFO L242 Difference]: Finished difference. Result has 202 places, 189 transitions, 1408 flow [2021-10-21 19:05:55,605 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=124, PETRI_DIFFERENCE_MINUEND_FLOW=1076, PETRI_DIFFERENCE_MINUEND_PLACES=183, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=176, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=42, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=132, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=1408, PETRI_PLACES=202, PETRI_TRANSITIONS=189} [2021-10-21 19:05:55,606 INFO L334 CegarLoopForPetriNet]: 131 programPoint places, 71 predicate places. [2021-10-21 19:05:55,606 INFO L470 AbstractCegarLoop]: Abstraction has has 202 places, 189 transitions, 1408 flow [2021-10-21 19:05:55,606 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 110.125) internal successors, (881), 8 states have internal predecessors, (881), 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 19:05:55,606 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-21 19:05:55,606 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, 1, 1, 1, 1, 1] [2021-10-21 19:05:55,607 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-21 19:05:55,607 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-21 19:05:55,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:05:55,607 INFO L82 PathProgramCache]: Analyzing trace with hash -430624500, now seen corresponding path program 1 times [2021-10-21 19:05:55,607 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:05:55,608 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966275511] [2021-10-21 19:05:55,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:05:55,608 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:05:55,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:05:55,763 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 19:05:55,763 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:05:55,764 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966275511] [2021-10-21 19:05:55,764 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966275511] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:05:55,764 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:05:55,764 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-10-21 19:05:55,764 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340210878] [2021-10-21 19:05:55,765 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-21 19:05:55,765 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:05:55,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-21 19:05:55,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-10-21 19:05:55,767 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 124 [2021-10-21 19:05:55,769 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 202 places, 189 transitions, 1408 flow. Second operand has 9 states, 9 states have (on average 110.11111111111111) internal successors, (991), 9 states have internal predecessors, (991), 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 19:05:55,769 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-21 19:05:55,769 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 124 [2021-10-21 19:05:55,769 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-21 19:05:57,466 INFO L129 PetriNetUnfolder]: 3006/6844 cut-off events. [2021-10-21 19:05:57,466 INFO L130 PetriNetUnfolder]: For 54097/60031 co-relation queries the response was YES. [2021-10-21 19:05:57,664 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35459 conditions, 6844 events. 3006/6844 cut-off events. For 54097/60031 co-relation queries the response was YES. Maximal size of possible extension queue 1014. Compared 72472 event pairs, 11 based on Foata normal form. 698/6885 useless extension candidates. Maximal degree in co-relation 35408. Up to 2191 conditions per place. [2021-10-21 19:05:57,696 INFO L132 encePairwiseOnDemand]: 113/124 looper letters, 22 selfloop transitions, 63 changer transitions 34/224 dead transitions. [2021-10-21 19:05:57,696 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 211 places, 224 transitions, 1941 flow [2021-10-21 19:05:57,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-21 19:05:57,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-10-21 19:05:57,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 2153 transitions. [2021-10-21 19:05:57,706 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9138370118845501 [2021-10-21 19:05:57,707 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 2153 transitions. [2021-10-21 19:05:57,707 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 2153 transitions. [2021-10-21 19:05:57,709 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:05:57,710 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 2153 transitions. [2021-10-21 19:05:57,718 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 113.3157894736842) internal successors, (2153), 19 states have internal predecessors, (2153), 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 19:05:57,726 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 124.0) internal successors, (2480), 20 states have internal predecessors, (2480), 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 19:05:57,728 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 124.0) internal successors, (2480), 20 states have internal predecessors, (2480), 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 19:05:57,728 INFO L186 Difference]: Start difference. First operand has 202 places, 189 transitions, 1408 flow. Second operand 19 states and 2153 transitions. [2021-10-21 19:05:57,728 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 211 places, 224 transitions, 1941 flow [2021-10-21 19:05:59,665 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 185 places, 224 transitions, 1456 flow, removed 200 selfloop flow, removed 26 redundant places. [2021-10-21 19:05:59,669 INFO L242 Difference]: Finished difference. Result has 192 places, 180 transitions, 1091 flow [2021-10-21 19:05:59,669 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=124, PETRI_DIFFERENCE_MINUEND_FLOW=995, PETRI_DIFFERENCE_MINUEND_PLACES=167, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=189, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=60, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=126, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=1091, PETRI_PLACES=192, PETRI_TRANSITIONS=180} [2021-10-21 19:05:59,670 INFO L334 CegarLoopForPetriNet]: 131 programPoint places, 61 predicate places. [2021-10-21 19:05:59,670 INFO L470 AbstractCegarLoop]: Abstraction has has 192 places, 180 transitions, 1091 flow [2021-10-21 19:05:59,671 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 110.11111111111111) internal successors, (991), 9 states have internal predecessors, (991), 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 19:05:59,671 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-21 19:05:59,671 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:05:59,671 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-21 19:05:59,672 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-21 19:05:59,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:05:59,672 INFO L82 PathProgramCache]: Analyzing trace with hash -2097742224, now seen corresponding path program 1 times [2021-10-21 19:05:59,672 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:05:59,673 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581189792] [2021-10-21 19:05:59,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:05:59,673 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:05:59,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:05:59,806 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 19:05:59,806 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:05:59,806 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581189792] [2021-10-21 19:05:59,807 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [581189792] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:05:59,807 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:05:59,807 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-21 19:05:59,807 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131973489] [2021-10-21 19:05:59,809 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-21 19:05:59,809 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:05:59,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-21 19:05:59,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-21 19:05:59,811 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 124 [2021-10-21 19:05:59,812 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 192 places, 180 transitions, 1091 flow. Second operand has 7 states, 7 states have (on average 111.42857142857143) internal successors, (780), 7 states have internal predecessors, (780), 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 19:05:59,812 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-21 19:05:59,813 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 124 [2021-10-21 19:05:59,813 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-21 19:06:00,572 INFO L129 PetriNetUnfolder]: 1675/4955 cut-off events. [2021-10-21 19:06:00,572 INFO L130 PetriNetUnfolder]: For 13467/14649 co-relation queries the response was YES. [2021-10-21 19:06:00,608 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16918 conditions, 4955 events. 1675/4955 cut-off events. For 13467/14649 co-relation queries the response was YES. Maximal size of possible extension queue 711. Compared 56332 event pairs, 12 based on Foata normal form. 3/4564 useless extension candidates. Maximal degree in co-relation 16826. Up to 534 conditions per place. [2021-10-21 19:06:00,618 INFO L132 encePairwiseOnDemand]: 118/124 looper letters, 11 selfloop transitions, 4 changer transitions 7/187 dead transitions. [2021-10-21 19:06:00,619 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 195 places, 187 transitions, 1174 flow [2021-10-21 19:06:00,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-21 19:06:00,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-10-21 19:06:00,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 786 transitions. [2021-10-21 19:06:00,621 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9055299539170507 [2021-10-21 19:06:00,622 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 786 transitions. [2021-10-21 19:06:00,622 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 786 transitions. [2021-10-21 19:06:00,622 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:06:00,623 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 786 transitions. [2021-10-21 19:06:00,625 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 112.28571428571429) internal successors, (786), 7 states have internal predecessors, (786), 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 19:06:00,627 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 124.0) internal successors, (992), 8 states have internal predecessors, (992), 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 19:06:00,628 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 124.0) internal successors, (992), 8 states have internal predecessors, (992), 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 19:06:00,628 INFO L186 Difference]: Start difference. First operand has 192 places, 180 transitions, 1091 flow. Second operand 7 states and 786 transitions. [2021-10-21 19:06:00,629 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 195 places, 187 transitions, 1174 flow [2021-10-21 19:06:01,031 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 173 places, 187 transitions, 976 flow, removed 27 selfloop flow, removed 22 redundant places. [2021-10-21 19:06:01,035 INFO L242 Difference]: Finished difference. Result has 178 places, 180 transitions, 933 flow [2021-10-21 19:06:01,035 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=124, PETRI_DIFFERENCE_MINUEND_FLOW=906, PETRI_DIFFERENCE_MINUEND_PLACES=167, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=180, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=176, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=933, PETRI_PLACES=178, PETRI_TRANSITIONS=180} [2021-10-21 19:06:01,036 INFO L334 CegarLoopForPetriNet]: 131 programPoint places, 47 predicate places. [2021-10-21 19:06:01,036 INFO L470 AbstractCegarLoop]: Abstraction has has 178 places, 180 transitions, 933 flow [2021-10-21 19:06:01,037 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 111.42857142857143) internal successors, (780), 7 states have internal predecessors, (780), 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 19:06:01,037 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-21 19:06:01,037 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:06:01,037 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-21 19:06:01,037 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-21 19:06:01,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:06:01,038 INFO L82 PathProgramCache]: Analyzing trace with hash 657043068, now seen corresponding path program 2 times [2021-10-21 19:06:01,038 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:06:01,039 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848526984] [2021-10-21 19:06:01,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:06:01,039 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:06:01,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:06:01,084 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:06:01,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:06:01,189 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:06:01,189 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-21 19:06:01,190 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:06:01,192 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:06:01,192 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-21 19:06:01,193 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-21 19:06:01,193 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-21 19:06:01,193 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3INUSE_VIOLATION [2021-10-21 19:06:01,193 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:06:01,194 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-21 19:06:01,202 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-21 19:06:01,202 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 19:06:01,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 07:06:01 BasicIcfg [2021-10-21 19:06:01,397 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 19:06:01,398 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:06:01,398 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:06:01,398 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:06:01,399 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:05:41" (3/4) ... [2021-10-21 19:06:01,401 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-21 19:06:01,669 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0345b6-d65d-4bb2-846e-84267db1dfb6/bin/uautomizer-j4sWxH34Be/witness.graphml [2021-10-21 19:06:01,669 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:06:01,671 INFO L168 Benchmark]: Toolchain (without parser) took 23222.59 ms. Allocated memory was 159.4 MB in the beginning and 3.3 GB in the end (delta: 3.1 GB). Free memory was 127.0 MB in the beginning and 2.8 GB in the end (delta: -2.7 GB). Peak memory consumption was 670.5 MB. Max. memory is 16.1 GB. [2021-10-21 19:06:01,671 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 90.2 MB. Free memory was 46.9 MB in the beginning and 46.9 MB in the end (delta: 41.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:06:01,672 INFO L168 Benchmark]: CACSL2BoogieTranslator took 810.08 ms. Allocated memory is still 159.4 MB. Free memory was 127.0 MB in the beginning and 122.0 MB in the end (delta: 5.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-21 19:06:01,673 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.69 ms. Allocated memory is still 159.4 MB. Free memory was 122.0 MB in the beginning and 119.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-21 19:06:01,673 INFO L168 Benchmark]: Boogie Preprocessor took 53.27 ms. Allocated memory is still 159.4 MB. Free memory was 119.5 MB in the beginning and 117.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:06:01,673 INFO L168 Benchmark]: RCFGBuilder took 1934.79 ms. Allocated memory is still 159.4 MB. Free memory was 117.4 MB in the beginning and 130.6 MB in the end (delta: -13.2 MB). Peak memory consumption was 44.8 MB. Max. memory is 16.1 GB. [2021-10-21 19:06:01,674 INFO L168 Benchmark]: TraceAbstraction took 20077.99 ms. Allocated memory was 159.4 MB in the beginning and 3.3 GB in the end (delta: 3.1 GB). Free memory was 129.7 MB in the beginning and 2.7 GB in the end (delta: -2.5 GB). Peak memory consumption was 623.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:06:01,674 INFO L168 Benchmark]: Witness Printer took 271.29 ms. Allocated memory is still 3.3 GB. Free memory was 2.7 GB in the beginning and 2.8 GB in the end (delta: -148.9 MB). Peak memory consumption was 51.4 MB. Max. memory is 16.1 GB. [2021-10-21 19:06:01,678 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 90.2 MB. Free memory was 46.9 MB in the beginning and 46.9 MB in the end (delta: 41.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 810.08 ms. Allocated memory is still 159.4 MB. Free memory was 127.0 MB in the beginning and 122.0 MB in the end (delta: 5.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 60.69 ms. Allocated memory is still 159.4 MB. Free memory was 122.0 MB in the beginning and 119.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 53.27 ms. Allocated memory is still 159.4 MB. Free memory was 119.5 MB in the beginning and 117.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1934.79 ms. Allocated memory is still 159.4 MB. Free memory was 117.4 MB in the beginning and 130.6 MB in the end (delta: -13.2 MB). Peak memory consumption was 44.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 20077.99 ms. Allocated memory was 159.4 MB in the beginning and 3.3 GB in the end (delta: 3.1 GB). Free memory was 129.7 MB in the beginning and 2.7 GB in the end (delta: -2.5 GB). Peak memory consumption was 623.1 MB. Max. memory is 16.1 GB. * Witness Printer took 271.29 ms. Allocated memory is still 3.3 GB. Free memory was 2.7 GB in the beginning and 2.8 GB in the end (delta: -148.9 MB). Peak memory consumption was 51.4 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: [L710] 0 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0] [L712] 0 int __unbuffered_p2_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0] [L714] 0 int __unbuffered_p3_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0] [L716] 0 int a = 0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0] [L717] 0 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, main$tmp_guard0=0] [L718] 0 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0] [L720] 0 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L722] 0 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0] [L724] 0 int z = 0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0] [L725] 0 _Bool z$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0] [L726] 0 int z$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0] [L727] 0 _Bool z$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0] [L728] 0 _Bool z$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0] [L729] 0 _Bool z$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0] [L730] 0 _Bool z$r_buff0_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0] [L731] 0 _Bool z$r_buff0_thd4; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0] [L732] 0 _Bool z$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0] [L733] 0 _Bool z$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0] [L734] 0 _Bool z$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0] [L735] 0 _Bool z$r_buff1_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0] [L736] 0 _Bool z$r_buff1_thd4; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0] [L737] 0 _Bool z$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0] [L738] 0 int *z$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}] [L739] 0 int z$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0] [L740] 0 _Bool z$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0] [L741] 0 int z$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0] [L742] 0 _Bool z$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L743] 0 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L744] 0 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L844] 0 pthread_t t1413; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L845] FCALL, FORK 0 pthread_create(&t1413, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L846] 0 pthread_t t1414; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L847] FCALL, FORK 0 pthread_create(&t1414, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L848] 0 pthread_t t1415; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L849] FCALL, FORK 0 pthread_create(&t1415, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L850] 0 pthread_t t1416; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L851] FCALL, FORK 0 pthread_create(&t1416, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L806] 4 z$w_buff1 = z$w_buff0 [L807] 4 z$w_buff0 = 1 [L808] 4 z$w_buff1_used = z$w_buff0_used [L809] 4 z$w_buff0_used = (_Bool)1 [L18] COND FALSE 4 !(!expression) [L811] 4 z$r_buff1_thd0 = z$r_buff0_thd0 [L812] 4 z$r_buff1_thd1 = z$r_buff0_thd1 [L813] 4 z$r_buff1_thd2 = z$r_buff0_thd2 [L814] 4 z$r_buff1_thd3 = z$r_buff0_thd3 [L815] 4 z$r_buff1_thd4 = z$r_buff0_thd4 [L816] 4 z$r_buff0_thd4 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L819] 4 __unbuffered_p3_EAX = a VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L748] 1 a = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L751] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L763] 2 x = 2 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L766] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L778] 3 y = 2 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L781] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L782] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L783] 3 z$flush_delayed = weak$$choice2 [L784] 3 z$mem_tmp = z [L785] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L785] 3 z = !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L786] EXPR 3 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L786] 3 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L787] EXPR 3 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L787] 3 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L788] EXPR 3 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L788] 3 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L789] EXPR 3 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L789] 3 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L790] EXPR 3 weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L790] 3 z$r_buff0_thd3 = weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L791] EXPR 3 weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L791] 3 z$r_buff1_thd3 = weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L792] 3 __unbuffered_p2_EAX = z [L793] EXPR 3 z$flush_delayed ? z$mem_tmp : z [L793] 3 z = z$flush_delayed ? z$mem_tmp : z [L794] 3 z$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, 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=2, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L756] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, 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=2, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L771] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, 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=2, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L799] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=3, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, 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=2, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L822] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L822] 4 z = z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L823] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L823] 4 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L824] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L824] 4 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L825] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L825] 4 z$r_buff0_thd4 = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L826] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L826] 4 z$r_buff1_thd4 = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L829] 4 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=4, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, 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=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L853] 0 main$tmp_guard0 = __unbuffered_cnt == 4 VAL [__unbuffered_cnt=4, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L3] COND FALSE 0 !(!cond) VAL [__unbuffered_cnt=4, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L857] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L857] EXPR 0 z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z [L857] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L857] 0 z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L858] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L858] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L859] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L859] 0 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L860] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L860] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L861] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L861] 0 z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L864] 0 main$tmp_guard1 = !(x == 2 && y == 2 && __unbuffered_p2_EAX == 0 && __unbuffered_p3_EAX == 0) VAL [__unbuffered_cnt=4, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L18] COND TRUE 0 !expression VAL [__unbuffered_cnt=4, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L18] 0 reach_error() VAL [__unbuffered_cnt=4, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] - 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: 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. - 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: 845]: 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 9 procedures, 157 locations, 7 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 40.7ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 19672.9ms, OverallIterations: 11, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 16798.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 101.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 152 SDtfs, 401 SDslu, 454 SDs, 0 SdLazy, 534 SolverSat, 181 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 604.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 133 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 243 ImplicationChecksByTransitivity, 1330.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1408occurred in iteration=8, InterpolantAutomatonStates: 112, 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: 72.4ms SsaConstructionTime, 575.4ms SatisfiabilityAnalysisTime, 1663.3ms InterpolantComputationTime, 920 NumberOfCodeBlocks, 920 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 815 ConstructedInterpolants, 0 QuantifiedInterpolants, 3437 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 19:06:01,743 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0345b6-d65d-4bb2-846e-84267db1dfb6/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...