./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/mix035_power.opt_rmo.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_07690801-30bd-4f31-b78b-fa518c503691/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07690801-30bd-4f31-b78b-fa518c503691/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_07690801-30bd-4f31-b78b-fa518c503691/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07690801-30bd-4f31-b78b-fa518c503691/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix035_power.opt_rmo.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07690801-30bd-4f31-b78b-fa518c503691/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_07690801-30bd-4f31-b78b-fa518c503691/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 6f7e432a886f0272967b45cc6f21d24dfd6dfdb8fd02a0d13e6bb2d2db636b21 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 20:01:16,011 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 20:01:16,014 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 20:01:16,052 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 20:01:16,053 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 20:01:16,056 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 20:01:16,059 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 20:01:16,063 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 20:01:16,066 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 20:01:16,072 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 20:01:16,073 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 20:01:16,074 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 20:01:16,075 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 20:01:16,077 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 20:01:16,079 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 20:01:16,082 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 20:01:16,084 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 20:01:16,085 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 20:01:16,089 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 20:01:16,096 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 20:01:16,098 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 20:01:16,099 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 20:01:16,102 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 20:01:16,103 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 20:01:16,109 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 20:01:16,110 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 20:01:16,110 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 20:01:16,111 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 20:01:16,112 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 20:01:16,113 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 20:01:16,113 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 20:01:16,114 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 20:01:16,115 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 20:01:16,120 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 20:01:16,122 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 20:01:16,122 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 20:01:16,123 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 20:01:16,123 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 20:01:16,123 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 20:01:16,124 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 20:01:16,125 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 20:01:16,125 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07690801-30bd-4f31-b78b-fa518c503691/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-21 20:01:16,155 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 20:01:16,155 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 20:01:16,156 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 20:01:16,156 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 20:01:16,157 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 20:01:16,157 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 20:01:16,157 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 20:01:16,158 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 20:01:16,158 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 20:01:16,158 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 20:01:16,158 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 20:01:16,158 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 20:01:16,158 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 20:01:16,159 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 20:01:16,159 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 20:01:16,159 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 20:01:16,159 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 20:01:16,159 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 20:01:16,160 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 20:01:16,162 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 20:01:16,162 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 20:01:16,162 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 20:01:16,162 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 20:01:16,163 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 20:01:16,163 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 20:01:16,163 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 20:01:16,163 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 20:01:16,164 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 20:01:16,164 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 20:01:16,166 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 20:01:16,166 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 20:01:16,166 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 20:01:16,167 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_07690801-30bd-4f31-b78b-fa518c503691/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07690801-30bd-4f31-b78b-fa518c503691/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6f7e432a886f0272967b45cc6f21d24dfd6dfdb8fd02a0d13e6bb2d2db636b21 [2021-10-21 20:01:16,454 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 20:01:16,476 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 20:01:16,479 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 20:01:16,480 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 20:01:16,481 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 20:01:16,482 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07690801-30bd-4f31-b78b-fa518c503691/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/pthread-wmm/mix035_power.opt_rmo.opt.i [2021-10-21 20:01:16,550 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07690801-30bd-4f31-b78b-fa518c503691/bin/uautomizer-j4sWxH34Be/data/66f533958/fe5c04df5f9d47ae8f6774ac9f96cd8c/FLAG7f07f6994 [2021-10-21 20:01:17,179 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 20:01:17,179 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07690801-30bd-4f31-b78b-fa518c503691/sv-benchmarks/c/pthread-wmm/mix035_power.opt_rmo.opt.i [2021-10-21 20:01:17,201 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07690801-30bd-4f31-b78b-fa518c503691/bin/uautomizer-j4sWxH34Be/data/66f533958/fe5c04df5f9d47ae8f6774ac9f96cd8c/FLAG7f07f6994 [2021-10-21 20:01:17,455 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07690801-30bd-4f31-b78b-fa518c503691/bin/uautomizer-j4sWxH34Be/data/66f533958/fe5c04df5f9d47ae8f6774ac9f96cd8c [2021-10-21 20:01:17,457 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 20:01:17,458 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 20:01:17,465 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 20:01:17,465 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 20:01:17,469 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 20:01:17,470 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:01:17" (1/1) ... [2021-10-21 20:01:17,471 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bdd6b8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:01:17, skipping insertion in model container [2021-10-21 20:01:17,471 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:01:17" (1/1) ... [2021-10-21 20:01:17,478 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 20:01:17,525 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 20:01:17,747 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_07690801-30bd-4f31-b78b-fa518c503691/sv-benchmarks/c/pthread-wmm/mix035_power.opt_rmo.opt.i[1001,1014] [2021-10-21 20:01:18,072 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:01:18,086 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 20:01:18,102 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_07690801-30bd-4f31-b78b-fa518c503691/sv-benchmarks/c/pthread-wmm/mix035_power.opt_rmo.opt.i[1001,1014] [2021-10-21 20:01:18,190 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:01:18,239 INFO L208 MainTranslator]: Completed translation [2021-10-21 20:01:18,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:01:18 WrapperNode [2021-10-21 20:01:18,240 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 20:01:18,241 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 20:01:18,242 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 20:01:18,242 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 20:01:18,250 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:01:18" (1/1) ... [2021-10-21 20:01:18,290 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:01:18" (1/1) ... [2021-10-21 20:01:18,330 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 20:01:18,331 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 20:01:18,331 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 20:01:18,332 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 20:01:18,340 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:01:18" (1/1) ... [2021-10-21 20:01:18,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:01:18" (1/1) ... [2021-10-21 20:01:18,355 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:01:18" (1/1) ... [2021-10-21 20:01:18,356 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:01:18" (1/1) ... [2021-10-21 20:01:18,366 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:01:18" (1/1) ... [2021-10-21 20:01:18,386 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:01:18" (1/1) ... [2021-10-21 20:01:18,389 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:01:18" (1/1) ... [2021-10-21 20:01:18,393 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 20:01:18,394 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 20:01:18,394 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 20:01:18,394 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 20:01:18,408 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:01:18" (1/1) ... [2021-10-21 20:01:18,425 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 20:01:18,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07690801-30bd-4f31-b78b-fa518c503691/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:01:18,450 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07690801-30bd-4f31-b78b-fa518c503691/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 20:01:18,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07690801-30bd-4f31-b78b-fa518c503691/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 20:01:18,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-21 20:01:18,503 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-21 20:01:18,503 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 20:01:18,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-21 20:01:18,503 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-10-21 20:01:18,504 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-10-21 20:01:18,504 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-10-21 20:01:18,504 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-10-21 20:01:18,504 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-10-21 20:01:18,504 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-10-21 20:01:18,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 20:01:18,505 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-21 20:01:18,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 20:01:18,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 20:01:18,507 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-21 20:01:20,465 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 20:01:20,466 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-10-21 20:01:20,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:01:20 BoogieIcfgContainer [2021-10-21 20:01:20,469 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 20:01:20,472 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 20:01:20,473 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 20:01:20,476 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 20:01:20,476 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 08:01:17" (1/3) ... [2021-10-21 20:01:20,477 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b4439d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 08:01:20, skipping insertion in model container [2021-10-21 20:01:20,477 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:01:18" (2/3) ... [2021-10-21 20:01:20,477 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b4439d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 08:01:20, skipping insertion in model container [2021-10-21 20:01:20,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:01:20" (3/3) ... [2021-10-21 20:01:20,479 INFO L111 eAbstractionObserver]: Analyzing ICFG mix035_power.opt_rmo.opt.i [2021-10-21 20:01:20,488 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-21 20:01:20,488 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 20:01:20,488 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-10-21 20:01:20,489 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-21 20:01:20,536 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,537 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,537 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,537 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,537 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,537 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,537 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,538 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,538 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,538 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,538 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,538 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,538 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,539 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,539 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,539 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,539 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,540 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,540 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,541 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,541 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,541 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,541 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,541 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,542 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,542 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,542 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,543 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,543 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,544 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,544 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,544 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,544 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,545 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,545 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,545 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,545 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,545 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,545 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,545 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,546 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,546 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,546 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,546 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,546 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,546 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,552 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,552 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,553 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,553 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,553 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,553 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,554 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,554 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,554 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,554 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,554 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,554 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,554 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,555 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,555 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,555 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,555 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,555 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,555 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,555 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,556 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,556 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,556 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,556 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,556 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,556 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,556 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,557 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,557 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,557 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,557 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,558 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,558 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,558 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,558 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,558 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,558 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,558 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,560 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,561 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,562 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,564 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,565 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,566 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,566 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,567 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,567 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,567 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,568 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,568 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,574 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,574 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,574 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,575 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,575 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,575 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,575 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,575 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,576 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,577 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,577 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,577 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,577 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,578 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,578 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,578 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,578 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,578 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,579 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,579 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,579 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,579 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,579 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,580 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,580 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,580 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,580 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,580 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,581 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,581 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,581 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,581 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,581 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,581 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,581 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,582 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,582 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,582 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,582 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,582 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,582 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,583 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,583 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,583 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,583 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,583 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,583 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,583 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,584 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,584 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,584 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,584 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,590 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,590 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,590 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,590 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,590 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,590 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,591 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,591 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,592 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,592 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,594 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,594 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,596 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,596 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,596 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,596 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,597 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,597 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,597 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,597 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,597 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,597 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,597 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,598 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,598 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,598 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,598 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,598 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,598 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,599 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,599 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,599 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,599 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,599 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,599 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,599 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,600 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,601 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,601 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,601 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,602 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,602 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,602 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,602 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,602 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,602 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,603 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,603 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,603 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:01:20,604 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-10-21 20:01:20,696 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 20:01:20,709 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-21 20:01:20,709 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-10-21 20:01:20,736 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 119 places, 111 transitions, 237 flow [2021-10-21 20:01:20,785 INFO L129 PetriNetUnfolder]: 2/108 cut-off events. [2021-10-21 20:01:20,786 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-21 20:01:20,790 INFO L84 FinitePrefix]: Finished finitePrefix Result has 118 conditions, 108 events. 2/108 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 61 event pairs, 0 based on Foata normal form. 0/104 useless extension candidates. Maximal degree in co-relation 69. Up to 2 conditions per place. [2021-10-21 20:01:20,790 INFO L82 GeneralOperation]: Start removeDead. Operand has 119 places, 111 transitions, 237 flow [2021-10-21 20:01:20,795 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 116 places, 108 transitions, 225 flow [2021-10-21 20:01:20,810 INFO L129 PetriNetUnfolder]: 0/58 cut-off events. [2021-10-21 20:01:20,811 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-21 20:01:20,811 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-21 20:01:20,811 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] [2021-10-21 20:01:20,812 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-10-21 20:01:20,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:01:20,817 INFO L82 PathProgramCache]: Analyzing trace with hash 1783856076, now seen corresponding path program 1 times [2021-10-21 20:01:20,827 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:01:20,827 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635189224] [2021-10-21 20:01:20,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:01:20,828 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:01:20,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:01:21,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:01:21,152 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:01:21,153 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635189224] [2021-10-21 20:01:21,153 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [635189224] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:01:21,154 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:01:21,154 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 20:01:21,155 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504683945] [2021-10-21 20:01:21,170 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:01:21,171 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:01:21,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:01:21,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:01:21,192 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 101 out of 111 [2021-10-21 20:01:21,198 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 108 transitions, 225 flow. Second operand has 3 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:01:21,198 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-21 20:01:21,198 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 101 of 111 [2021-10-21 20:01:21,200 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-21 20:01:21,385 INFO L129 PetriNetUnfolder]: 29/191 cut-off events. [2021-10-21 20:01:21,385 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-21 20:01:21,389 INFO L84 FinitePrefix]: Finished finitePrefix Result has 255 conditions, 191 events. 29/191 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 525 event pairs, 5 based on Foata normal form. 16/195 useless extension candidates. Maximal degree in co-relation 204. Up to 41 conditions per place. [2021-10-21 20:01:21,392 INFO L132 encePairwiseOnDemand]: 106/111 looper letters, 7 selfloop transitions, 2 changer transitions 0/107 dead transitions. [2021-10-21 20:01:21,393 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 116 places, 107 transitions, 241 flow [2021-10-21 20:01:21,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:01:21,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-21 20:01:21,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 317 transitions. [2021-10-21 20:01:21,415 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9519519519519519 [2021-10-21 20:01:21,416 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 317 transitions. [2021-10-21 20:01:21,417 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 317 transitions. [2021-10-21 20:01:21,422 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:01:21,424 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 317 transitions. [2021-10-21 20:01:21,431 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 105.66666666666667) internal successors, (317), 3 states have internal predecessors, (317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:01:21,441 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 111.0) internal successors, (444), 4 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:01:21,442 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 111.0) internal successors, (444), 4 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:01:21,444 INFO L186 Difference]: Start difference. First operand has 116 places, 108 transitions, 225 flow. Second operand 3 states and 317 transitions. [2021-10-21 20:01:21,445 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 116 places, 107 transitions, 241 flow [2021-10-21 20:01:21,450 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 113 places, 107 transitions, 238 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-10-21 20:01:21,456 INFO L242 Difference]: Finished difference. Result has 113 places, 104 transitions, 218 flow [2021-10-21 20:01:21,458 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=214, PETRI_DIFFERENCE_MINUEND_PLACES=111, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=104, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=218, PETRI_PLACES=113, PETRI_TRANSITIONS=104} [2021-10-21 20:01:21,459 INFO L334 CegarLoopForPetriNet]: 116 programPoint places, -3 predicate places. [2021-10-21 20:01:21,460 INFO L470 AbstractCegarLoop]: Abstraction has has 113 places, 104 transitions, 218 flow [2021-10-21 20:01:21,460 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:01:21,461 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-21 20:01:21,461 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] [2021-10-21 20:01:21,461 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-21 20:01:21,462 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-10-21 20:01:21,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:01:21,462 INFO L82 PathProgramCache]: Analyzing trace with hash -330021478, now seen corresponding path program 1 times [2021-10-21 20:01:21,463 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:01:21,464 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642757343] [2021-10-21 20:01:21,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:01:21,464 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:01:21,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:01:21,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:01:21,862 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:01:21,862 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642757343] [2021-10-21 20:01:21,862 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642757343] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:01:21,862 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:01:21,862 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-21 20:01:21,862 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110624350] [2021-10-21 20:01:21,864 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-21 20:01:21,864 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:01:21,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-21 20:01:21,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-10-21 20:01:21,867 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 93 out of 111 [2021-10-21 20:01:21,868 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 104 transitions, 218 flow. Second operand has 7 states, 7 states have (on average 94.42857142857143) internal successors, (661), 7 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 20:01:21,868 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-21 20:01:21,868 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 93 of 111 [2021-10-21 20:01:21,869 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-21 20:01:22,221 INFO L129 PetriNetUnfolder]: 173/643 cut-off events. [2021-10-21 20:01:22,222 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-21 20:01:22,226 INFO L84 FinitePrefix]: Finished finitePrefix Result has 951 conditions, 643 events. 173/643 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 3788 event pairs, 25 based on Foata normal form. 0/622 useless extension candidates. Maximal degree in co-relation 897. Up to 139 conditions per place. [2021-10-21 20:01:22,228 INFO L132 encePairwiseOnDemand]: 105/111 looper letters, 14 selfloop transitions, 2 changer transitions 37/133 dead transitions. [2021-10-21 20:01:22,229 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 133 transitions, 364 flow [2021-10-21 20:01:22,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-21 20:01:22,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-10-21 20:01:22,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 883 transitions. [2021-10-21 20:01:22,233 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8838838838838838 [2021-10-21 20:01:22,234 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 883 transitions. [2021-10-21 20:01:22,234 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 883 transitions. [2021-10-21 20:01:22,235 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:01:22,235 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 883 transitions. [2021-10-21 20:01:22,238 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 98.11111111111111) internal successors, (883), 9 states have internal predecessors, (883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:01:22,247 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 111.0) internal successors, (1110), 10 states have internal predecessors, (1110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:01:22,248 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 111.0) internal successors, (1110), 10 states have internal predecessors, (1110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:01:22,248 INFO L186 Difference]: Start difference. First operand has 113 places, 104 transitions, 218 flow. Second operand 9 states and 883 transitions. [2021-10-21 20:01:22,248 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 133 transitions, 364 flow [2021-10-21 20:01:22,251 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 133 transitions, 360 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-21 20:01:22,255 INFO L242 Difference]: Finished difference. Result has 126 places, 94 transitions, 214 flow [2021-10-21 20:01:22,256 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=214, PETRI_DIFFERENCE_MINUEND_PLACES=111, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=104, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=214, PETRI_PLACES=126, PETRI_TRANSITIONS=94} [2021-10-21 20:01:22,257 INFO L334 CegarLoopForPetriNet]: 116 programPoint places, 10 predicate places. [2021-10-21 20:01:22,257 INFO L470 AbstractCegarLoop]: Abstraction has has 126 places, 94 transitions, 214 flow [2021-10-21 20:01:22,258 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 94.42857142857143) internal successors, (661), 7 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 20:01:22,258 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-21 20:01:22,258 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] [2021-10-21 20:01:22,258 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-21 20:01:22,259 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-10-21 20:01:22,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:01:22,262 INFO L82 PathProgramCache]: Analyzing trace with hash 2114988764, now seen corresponding path program 1 times [2021-10-21 20:01:22,262 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:01:22,262 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976827874] [2021-10-21 20:01:22,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:01:22,263 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:01:22,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:01:22,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:01:22,448 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:01:22,449 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976827874] [2021-10-21 20:01:22,450 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976827874] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:01:22,450 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:01:22,450 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-21 20:01:22,451 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12701844] [2021-10-21 20:01:22,452 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-21 20:01:22,453 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:01:22,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-21 20:01:22,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-21 20:01:22,458 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 111 [2021-10-21 20:01:22,459 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 94 transitions, 214 flow. Second operand has 6 states, 6 states have (on average 98.16666666666667) internal successors, (589), 6 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:01:22,459 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-21 20:01:22,460 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 111 [2021-10-21 20:01:22,460 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-21 20:01:22,656 INFO L129 PetriNetUnfolder]: 112/358 cut-off events. [2021-10-21 20:01:22,661 INFO L130 PetriNetUnfolder]: For 22/22 co-relation queries the response was YES. [2021-10-21 20:01:22,664 INFO L84 FinitePrefix]: Finished finitePrefix Result has 629 conditions, 358 events. 112/358 cut-off events. For 22/22 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 1678 event pairs, 2 based on Foata normal form. 0/345 useless extension candidates. Maximal degree in co-relation 591. Up to 81 conditions per place. [2021-10-21 20:01:22,667 INFO L132 encePairwiseOnDemand]: 101/111 looper letters, 10 selfloop transitions, 6 changer transitions 25/124 dead transitions. [2021-10-21 20:01:22,667 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 119 places, 124 transitions, 356 flow [2021-10-21 20:01:22,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-21 20:01:22,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-10-21 20:01:22,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1013 transitions. [2021-10-21 20:01:22,672 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9126126126126126 [2021-10-21 20:01:22,672 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1013 transitions. [2021-10-21 20:01:22,672 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1013 transitions. [2021-10-21 20:01:22,673 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:01:22,673 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1013 transitions. [2021-10-21 20:01:22,677 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 101.3) internal successors, (1013), 10 states have internal predecessors, (1013), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:01:22,682 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 111.0) internal successors, (1221), 11 states have internal predecessors, (1221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:01:22,683 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 111.0) internal successors, (1221), 11 states have internal predecessors, (1221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:01:22,683 INFO L186 Difference]: Start difference. First operand has 126 places, 94 transitions, 214 flow. Second operand 10 states and 1013 transitions. [2021-10-21 20:01:22,684 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 119 places, 124 transitions, 356 flow [2021-10-21 20:01:22,690 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 111 places, 124 transitions, 340 flow, removed 6 selfloop flow, removed 8 redundant places. [2021-10-21 20:01:22,695 INFO L242 Difference]: Finished difference. Result has 117 places, 96 transitions, 252 flow [2021-10-21 20:01:22,696 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=198, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=252, PETRI_PLACES=117, PETRI_TRANSITIONS=96} [2021-10-21 20:01:22,696 INFO L334 CegarLoopForPetriNet]: 116 programPoint places, 1 predicate places. [2021-10-21 20:01:22,696 INFO L470 AbstractCegarLoop]: Abstraction has has 117 places, 96 transitions, 252 flow [2021-10-21 20:01:22,697 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 98.16666666666667) internal successors, (589), 6 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:01:22,697 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-21 20:01:22,698 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] [2021-10-21 20:01:22,698 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-21 20:01:22,698 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-10-21 20:01:22,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:01:22,699 INFO L82 PathProgramCache]: Analyzing trace with hash -237847474, now seen corresponding path program 1 times [2021-10-21 20:01:22,699 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:01:22,700 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955398656] [2021-10-21 20:01:22,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:01:22,700 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:01:22,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:01:22,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:01:22,963 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:01:22,963 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955398656] [2021-10-21 20:01:22,963 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955398656] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:01:22,964 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:01:22,964 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-21 20:01:22,964 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776977639] [2021-10-21 20:01:22,966 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-21 20:01:22,966 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:01:22,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-21 20:01:22,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-10-21 20:01:22,975 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 111 [2021-10-21 20:01:22,977 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 96 transitions, 252 flow. Second operand has 7 states, 7 states have (on average 98.14285714285714) internal successors, (687), 7 states have internal predecessors, (687), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:01:22,977 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-21 20:01:22,978 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 111 [2021-10-21 20:01:22,978 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-21 20:01:23,162 INFO L129 PetriNetUnfolder]: 52/229 cut-off events. [2021-10-21 20:01:23,162 INFO L130 PetriNetUnfolder]: For 285/310 co-relation queries the response was YES. [2021-10-21 20:01:23,163 INFO L84 FinitePrefix]: Finished finitePrefix Result has 613 conditions, 229 events. 52/229 cut-off events. For 285/310 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 751 event pairs, 0 based on Foata normal form. 13/240 useless extension candidates. Maximal degree in co-relation 554. Up to 75 conditions per place. [2021-10-21 20:01:23,165 INFO L132 encePairwiseOnDemand]: 102/111 looper letters, 10 selfloop transitions, 9 changer transitions 19/121 dead transitions. [2021-10-21 20:01:23,165 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 120 places, 121 transitions, 505 flow [2021-10-21 20:01:23,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-21 20:01:23,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-10-21 20:01:23,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1010 transitions. [2021-10-21 20:01:23,170 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9099099099099099 [2021-10-21 20:01:23,170 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1010 transitions. [2021-10-21 20:01:23,170 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1010 transitions. [2021-10-21 20:01:23,171 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:01:23,172 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1010 transitions. [2021-10-21 20:01:23,175 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 101.0) internal successors, (1010), 10 states have internal predecessors, (1010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:01:23,178 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 111.0) internal successors, (1221), 11 states have internal predecessors, (1221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:01:23,179 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 111.0) internal successors, (1221), 11 states have internal predecessors, (1221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:01:23,179 INFO L186 Difference]: Start difference. First operand has 117 places, 96 transitions, 252 flow. Second operand 10 states and 1010 transitions. [2021-10-21 20:01:23,180 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 120 places, 121 transitions, 505 flow [2021-10-21 20:01:23,185 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 121 transitions, 481 flow, removed 7 selfloop flow, removed 5 redundant places. [2021-10-21 20:01:23,188 INFO L242 Difference]: Finished difference. Result has 121 places, 99 transitions, 320 flow [2021-10-21 20:01:23,188 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=238, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=320, PETRI_PLACES=121, PETRI_TRANSITIONS=99} [2021-10-21 20:01:23,188 INFO L334 CegarLoopForPetriNet]: 116 programPoint places, 5 predicate places. [2021-10-21 20:01:23,189 INFO L470 AbstractCegarLoop]: Abstraction has has 121 places, 99 transitions, 320 flow [2021-10-21 20:01:23,189 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 98.14285714285714) internal successors, (687), 7 states have internal predecessors, (687), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:01:23,190 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-21 20:01:23,194 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 20:01:23,194 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-21 20:01:23,194 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-10-21 20:01:23,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:01:23,195 INFO L82 PathProgramCache]: Analyzing trace with hash -1131788334, now seen corresponding path program 1 times [2021-10-21 20:01:23,195 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:01:23,195 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383304780] [2021-10-21 20:01:23,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:01:23,196 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:01:23,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:01:23,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:01:23,427 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:01:23,428 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383304780] [2021-10-21 20:01:23,428 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383304780] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:01:23,428 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:01:23,428 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-21 20:01:23,429 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30092746] [2021-10-21 20:01:23,429 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-21 20:01:23,429 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:01:23,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-21 20:01:23,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-21 20:01:23,431 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 111 [2021-10-21 20:01:23,432 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 99 transitions, 320 flow. Second operand has 7 states, 7 states have (on average 93.14285714285714) internal successors, (652), 7 states have internal predecessors, (652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:01:23,433 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-21 20:01:23,433 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 111 [2021-10-21 20:01:23,433 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-21 20:01:23,702 INFO L129 PetriNetUnfolder]: 75/441 cut-off events. [2021-10-21 20:01:23,703 INFO L130 PetriNetUnfolder]: For 696/714 co-relation queries the response was YES. [2021-10-21 20:01:23,705 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1108 conditions, 441 events. 75/441 cut-off events. For 696/714 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 2258 event pairs, 13 based on Foata normal form. 16/448 useless extension candidates. Maximal degree in co-relation 1041. Up to 82 conditions per place. [2021-10-21 20:01:23,708 INFO L132 encePairwiseOnDemand]: 101/111 looper letters, 24 selfloop transitions, 6 changer transitions 13/126 dead transitions. [2021-10-21 20:01:23,708 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 127 places, 126 transitions, 465 flow [2021-10-21 20:01:23,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-21 20:01:23,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-10-21 20:01:23,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1046 transitions. [2021-10-21 20:01:23,713 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8566748566748567 [2021-10-21 20:01:23,713 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1046 transitions. [2021-10-21 20:01:23,713 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1046 transitions. [2021-10-21 20:01:23,714 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:01:23,715 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1046 transitions. [2021-10-21 20:01:23,718 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 95.0909090909091) internal successors, (1046), 11 states have internal predecessors, (1046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:01:23,721 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 111.0) internal successors, (1332), 12 states have internal predecessors, (1332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:01:23,722 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 111.0) internal successors, (1332), 12 states have internal predecessors, (1332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:01:23,722 INFO L186 Difference]: Start difference. First operand has 121 places, 99 transitions, 320 flow. Second operand 11 states and 1046 transitions. [2021-10-21 20:01:23,722 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 127 places, 126 transitions, 465 flow [2021-10-21 20:01:23,729 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 118 places, 126 transitions, 409 flow, removed 20 selfloop flow, removed 9 redundant places. [2021-10-21 20:01:23,731 INFO L242 Difference]: Finished difference. Result has 126 places, 102 transitions, 321 flow [2021-10-21 20:01:23,732 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=264, PETRI_DIFFERENCE_MINUEND_PLACES=108, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=99, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=321, PETRI_PLACES=126, PETRI_TRANSITIONS=102} [2021-10-21 20:01:23,732 INFO L334 CegarLoopForPetriNet]: 116 programPoint places, 10 predicate places. [2021-10-21 20:01:23,732 INFO L470 AbstractCegarLoop]: Abstraction has has 126 places, 102 transitions, 321 flow [2021-10-21 20:01:23,733 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 93.14285714285714) internal successors, (652), 7 states have internal predecessors, (652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:01:23,733 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-21 20:01:23,733 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 20:01:23,734 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-21 20:01:23,734 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-10-21 20:01:23,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:01:23,735 INFO L82 PathProgramCache]: Analyzing trace with hash -1646475474, now seen corresponding path program 2 times [2021-10-21 20:01:23,735 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:01:23,735 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634105624] [2021-10-21 20:01:23,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:01:23,735 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:01:23,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:01:23,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:01:23,916 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:01:23,917 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634105624] [2021-10-21 20:01:23,917 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1634105624] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:01:23,917 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:01:23,918 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-10-21 20:01:23,918 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023312283] [2021-10-21 20:01:23,919 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-21 20:01:23,919 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:01:23,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-21 20:01:23,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-21 20:01:23,921 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 111 [2021-10-21 20:01:23,922 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 102 transitions, 321 flow. Second operand has 8 states, 8 states have (on average 98.125) internal successors, (785), 8 states have internal predecessors, (785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:01:23,922 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-21 20:01:23,922 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 111 [2021-10-21 20:01:23,923 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-21 20:01:24,102 INFO L129 PetriNetUnfolder]: 42/276 cut-off events. [2021-10-21 20:01:24,102 INFO L130 PetriNetUnfolder]: For 384/469 co-relation queries the response was YES. [2021-10-21 20:01:24,104 INFO L84 FinitePrefix]: Finished finitePrefix Result has 706 conditions, 276 events. 42/276 cut-off events. For 384/469 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1133 event pairs, 2 based on Foata normal form. 50/318 useless extension candidates. Maximal degree in co-relation 686. Up to 65 conditions per place. [2021-10-21 20:01:24,105 INFO L132 encePairwiseOnDemand]: 102/111 looper letters, 6 selfloop transitions, 14 changer transitions 9/115 dead transitions. [2021-10-21 20:01:24,105 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 115 transitions, 466 flow [2021-10-21 20:01:24,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-21 20:01:24,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-10-21 20:01:24,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1098 transitions. [2021-10-21 20:01:24,110 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8992628992628993 [2021-10-21 20:01:24,110 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1098 transitions. [2021-10-21 20:01:24,110 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1098 transitions. [2021-10-21 20:01:24,111 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:01:24,111 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1098 transitions. [2021-10-21 20:01:24,115 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 99.81818181818181) internal successors, (1098), 11 states have internal predecessors, (1098), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:01:24,118 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 111.0) internal successors, (1332), 12 states have internal predecessors, (1332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:01:24,120 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 111.0) internal successors, (1332), 12 states have internal predecessors, (1332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:01:24,120 INFO L186 Difference]: Start difference. First operand has 126 places, 102 transitions, 321 flow. Second operand 11 states and 1098 transitions. [2021-10-21 20:01:24,121 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 115 transitions, 466 flow [2021-10-21 20:01:24,124 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 115 transitions, 427 flow, removed 16 selfloop flow, removed 6 redundant places. [2021-10-21 20:01:24,127 INFO L242 Difference]: Finished difference. Result has 130 places, 105 transitions, 363 flow [2021-10-21 20:01:24,128 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=294, PETRI_DIFFERENCE_MINUEND_PLACES=114, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=363, PETRI_PLACES=130, PETRI_TRANSITIONS=105} [2021-10-21 20:01:24,128 INFO L334 CegarLoopForPetriNet]: 116 programPoint places, 14 predicate places. [2021-10-21 20:01:24,128 INFO L470 AbstractCegarLoop]: Abstraction has has 130 places, 105 transitions, 363 flow [2021-10-21 20:01:24,129 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 98.125) internal successors, (785), 8 states have internal predecessors, (785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:01:24,129 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-21 20:01:24,129 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] [2021-10-21 20:01:24,129 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-21 20:01:24,130 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-10-21 20:01:24,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:01:24,130 INFO L82 PathProgramCache]: Analyzing trace with hash 801932427, now seen corresponding path program 1 times [2021-10-21 20:01:24,131 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:01:24,131 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679896337] [2021-10-21 20:01:24,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:01:24,131 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:01:24,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:01:24,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:01:24,361 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:01:24,362 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679896337] [2021-10-21 20:01:24,362 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679896337] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:01:24,362 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:01:24,362 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-21 20:01:24,362 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598393073] [2021-10-21 20:01:24,363 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-21 20:01:24,363 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:01:24,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-21 20:01:24,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-21 20:01:24,370 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 111 [2021-10-21 20:01:24,372 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 105 transitions, 363 flow. Second operand has 7 states, 7 states have (on average 93.28571428571429) internal successors, (653), 7 states have internal predecessors, (653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:01:24,372 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-21 20:01:24,372 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 111 [2021-10-21 20:01:24,373 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-21 20:01:24,578 INFO L129 PetriNetUnfolder]: 44/359 cut-off events. [2021-10-21 20:01:24,578 INFO L130 PetriNetUnfolder]: For 608/630 co-relation queries the response was YES. [2021-10-21 20:01:24,580 INFO L84 FinitePrefix]: Finished finitePrefix Result has 942 conditions, 359 events. 44/359 cut-off events. For 608/630 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 1852 event pairs, 1 based on Foata normal form. 1/352 useless extension candidates. Maximal degree in co-relation 888. Up to 67 conditions per place. [2021-10-21 20:01:24,582 INFO L132 encePairwiseOnDemand]: 100/111 looper letters, 15 selfloop transitions, 9 changer transitions 5/115 dead transitions. [2021-10-21 20:01:24,582 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 115 transitions, 473 flow [2021-10-21 20:01:24,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-21 20:01:24,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-10-21 20:01:24,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 754 transitions. [2021-10-21 20:01:24,586 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8490990990990991 [2021-10-21 20:01:24,586 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 754 transitions. [2021-10-21 20:01:24,586 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 754 transitions. [2021-10-21 20:01:24,587 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:01:24,587 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 754 transitions. [2021-10-21 20:01:24,589 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 94.25) internal successors, (754), 8 states have internal predecessors, (754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:01:24,592 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 111.0) internal successors, (999), 9 states have internal predecessors, (999), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:01:24,593 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 111.0) internal successors, (999), 9 states have internal predecessors, (999), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:01:24,593 INFO L186 Difference]: Start difference. First operand has 130 places, 105 transitions, 363 flow. Second operand 8 states and 754 transitions. [2021-10-21 20:01:24,593 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 135 places, 115 transitions, 473 flow [2021-10-21 20:01:24,598 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 115 transitions, 397 flow, removed 31 selfloop flow, removed 11 redundant places. [2021-10-21 20:01:24,600 INFO L242 Difference]: Finished difference. Result has 129 places, 110 transitions, 374 flow [2021-10-21 20:01:24,601 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=305, PETRI_DIFFERENCE_MINUEND_PLACES=117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=105, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=96, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=374, PETRI_PLACES=129, PETRI_TRANSITIONS=110} [2021-10-21 20:01:24,601 INFO L334 CegarLoopForPetriNet]: 116 programPoint places, 13 predicate places. [2021-10-21 20:01:24,601 INFO L470 AbstractCegarLoop]: Abstraction has has 129 places, 110 transitions, 374 flow [2021-10-21 20:01:24,602 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 93.28571428571429) internal successors, (653), 7 states have internal predecessors, (653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:01:24,602 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-21 20:01:24,602 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] [2021-10-21 20:01:24,602 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-21 20:01:24,603 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-10-21 20:01:24,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:01:24,603 INFO L82 PathProgramCache]: Analyzing trace with hash -2101222925, now seen corresponding path program 2 times [2021-10-21 20:01:24,604 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:01:24,604 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291543892] [2021-10-21 20:01:24,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:01:24,604 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:01:24,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:01:24,684 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:01:24,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:01:24,853 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:01:24,853 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-21 20:01:24,855 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:01:24,856 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:01:24,857 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-21 20:01:24,857 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-21 20:01:24,857 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-21 20:01:24,857 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:01:24,858 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-21 20:01:24,866 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-21 20:01:24,866 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 20:01:25,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 08:01:25 BasicIcfg [2021-10-21 20:01:25,093 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 20:01:25,094 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 20:01:25,094 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 20:01:25,094 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 20:01:25,095 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:01:20" (3/4) ... [2021-10-21 20:01:25,096 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-21 20:01:25,260 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07690801-30bd-4f31-b78b-fa518c503691/bin/uautomizer-j4sWxH34Be/witness.graphml [2021-10-21 20:01:25,260 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 20:01:25,262 INFO L168 Benchmark]: Toolchain (without parser) took 7802.27 ms. Allocated memory was 109.1 MB in the beginning and 209.7 MB in the end (delta: 100.7 MB). Free memory was 78.4 MB in the beginning and 87.8 MB in the end (delta: -9.5 MB). Peak memory consumption was 90.4 MB. Max. memory is 16.1 GB. [2021-10-21 20:01:25,262 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 109.1 MB. Free memory is still 66.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:01:25,263 INFO L168 Benchmark]: CACSL2BoogieTranslator took 775.31 ms. Allocated memory was 109.1 MB in the beginning and 169.9 MB in the end (delta: 60.8 MB). Free memory was 78.1 MB in the beginning and 133.1 MB in the end (delta: -55.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-21 20:01:25,263 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.56 ms. Allocated memory is still 169.9 MB. Free memory was 132.4 MB in the beginning and 130.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 20:01:25,264 INFO L168 Benchmark]: Boogie Preprocessor took 62.01 ms. Allocated memory is still 169.9 MB. Free memory was 130.3 MB in the beginning and 128.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 20:01:25,264 INFO L168 Benchmark]: RCFGBuilder took 2074.65 ms. Allocated memory is still 169.9 MB. Free memory was 128.2 MB in the beginning and 91.2 MB in the end (delta: 37.0 MB). Peak memory consumption was 48.2 MB. Max. memory is 16.1 GB. [2021-10-21 20:01:25,265 INFO L168 Benchmark]: TraceAbstraction took 4621.15 ms. Allocated memory was 169.9 MB in the beginning and 209.7 MB in the end (delta: 39.8 MB). Free memory was 90.2 MB in the beginning and 127.7 MB in the end (delta: -37.5 MB). Peak memory consumption was 73.6 MB. Max. memory is 16.1 GB. [2021-10-21 20:01:25,265 INFO L168 Benchmark]: Witness Printer took 166.30 ms. Allocated memory is still 209.7 MB. Free memory was 127.7 MB in the beginning and 87.8 MB in the end (delta: 39.8 MB). Peak memory consumption was 39.8 MB. Max. memory is 16.1 GB. [2021-10-21 20:01:25,267 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 109.1 MB. Free memory is still 66.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 775.31 ms. Allocated memory was 109.1 MB in the beginning and 169.9 MB in the end (delta: 60.8 MB). Free memory was 78.1 MB in the beginning and 133.1 MB in the end (delta: -55.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 89.56 ms. Allocated memory is still 169.9 MB. Free memory was 132.4 MB in the beginning and 130.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 62.01 ms. Allocated memory is still 169.9 MB. Free memory was 130.3 MB in the beginning and 128.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2074.65 ms. Allocated memory is still 169.9 MB. Free memory was 128.2 MB in the beginning and 91.2 MB in the end (delta: 37.0 MB). Peak memory consumption was 48.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4621.15 ms. Allocated memory was 169.9 MB in the beginning and 209.7 MB in the end (delta: 39.8 MB). Free memory was 90.2 MB in the beginning and 127.7 MB in the end (delta: -37.5 MB). Peak memory consumption was 73.6 MB. Max. memory is 16.1 GB. * Witness Printer took 166.30 ms. Allocated memory is still 209.7 MB. Free memory was 127.7 MB in the beginning and 87.8 MB in the end (delta: 39.8 MB). Peak memory consumption was 39.8 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: 19]: 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_p0_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0] [L714] 0 int __unbuffered_p1_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0] [L716] 0 int __unbuffered_p2_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0] [L718] 0 int __unbuffered_p2_EBX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0] [L720] 0 int a = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0] [L721] 0 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0] [L722] 0 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0] [L724] 0 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L725] 0 _Bool x$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0] [L726] 0 int x$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0] [L727] 0 _Bool x$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0] [L728] 0 _Bool x$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0] [L729] 0 _Bool x$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0] [L730] 0 _Bool x$r_buff0_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0] [L731] 0 _Bool x$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0] [L732] 0 _Bool x$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0] [L733] 0 _Bool x$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0] [L734] 0 _Bool x$r_buff1_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0] [L735] 0 _Bool x$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0] [L736] 0 int *x$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}] [L737] 0 int x$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0] [L738] 0 _Bool x$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0] [L739] 0 int x$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0] [L740] 0 _Bool x$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0] [L742] 0 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L744] 0 int z = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L745] 0 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L746] 0 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L841] 0 pthread_t t916; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L842] FCALL, FORK 0 pthread_create(&t916, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L843] 0 pthread_t t917; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L844] FCALL, FORK 0 pthread_create(&t917, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L845] 0 pthread_t t918; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L846] FCALL, FORK 0 pthread_create(&t918, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L778] 2 x$w_buff1 = x$w_buff0 [L779] 2 x$w_buff0 = 1 [L780] 2 x$w_buff1_used = x$w_buff0_used [L781] 2 x$w_buff0_used = (_Bool)1 [L19] COND FALSE 2 !(!expression) [L783] 2 x$r_buff1_thd0 = x$r_buff0_thd0 [L784] 2 x$r_buff1_thd1 = x$r_buff0_thd1 [L785] 2 x$r_buff1_thd2 = x$r_buff0_thd2 [L786] 2 x$r_buff1_thd3 = x$r_buff0_thd3 [L787] 2 x$r_buff0_thd2 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L790] 2 __unbuffered_p1_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L807] 3 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0] [L810] 3 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L813] 3 __unbuffered_p2_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L816] 3 __unbuffered_p2_EBX = a VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L750] 1 a = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L753] 1 weak$$choice0 = __VERIFIER_nondet_bool() [L754] 1 weak$$choice2 = __VERIFIER_nondet_bool() [L755] 1 x$flush_delayed = weak$$choice2 [L756] 1 x$mem_tmp = x [L757] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L757] 1 x = !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L758] EXPR 1 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) [L758] 1 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) [L759] EXPR 1 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L759] 1 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L760] EXPR 1 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) [L760] 1 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) [L761] EXPR 1 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L761] 1 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L762] EXPR 1 weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) [L762] 1 x$r_buff0_thd1 = weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) [L763] EXPR 1 weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L763] 1 x$r_buff1_thd1 = weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L764] 1 __unbuffered_p0_EAX = x [L765] EXPR 1 x$flush_delayed ? x$mem_tmp : x [L765] 1 x = x$flush_delayed ? x$mem_tmp : x [L766] 1 x$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L771] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L793] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L793] 2 x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L794] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L794] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L795] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L795] 2 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L796] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L796] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L797] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L797] 2 x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L800] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L819] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L819] EXPR 3 x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x [L819] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L819] 3 x = x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L820] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used [L820] 3 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used [L821] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used [L821] 3 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used [L822] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3 [L822] 3 x$r_buff0_thd3 = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3 [L823] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3 [L823] 3 x$r_buff1_thd3 = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3 [L826] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L848] 0 main$tmp_guard0 = __unbuffered_cnt == 3 VAL [__unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L4] COND FALSE 0 !(!cond) VAL [__unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, 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=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L852] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L852] EXPR 0 x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x [L852] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L852] 0 x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L853] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L853] 0 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L854] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L854] 0 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L855] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L855] 0 x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L856] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L856] 0 x$r_buff1_thd0 = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L859] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 0 && __unbuffered_p1_EAX == 0 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0) VAL [__unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, 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=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L19] COND TRUE 0 !expression VAL [__unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, 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=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L19] 0 reach_error() VAL [__unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, 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=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] - UnprovableResult [Line: 19]: 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: 844]: 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: 842]: 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: 846]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 139 locations, 6 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 15.1ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 4171.1ms, OverallIterations: 8, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 1881.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 86.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 85 SDtfs, 150 SDslu, 279 SDs, 0 SdLazy, 288 SolverSat, 55 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 333.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 78 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 645.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=374occurred in iteration=7, InterpolantAutomatonStates: 62, 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: 54.5ms SsaConstructionTime, 541.9ms SatisfiabilityAnalysisTime, 1144.4ms InterpolantComputationTime, 614 NumberOfCodeBlocks, 614 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 520 ConstructedInterpolants, 0 QuantifiedInterpolants, 2384 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-10-21 20:01:25,328 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07690801-30bd-4f31-b78b-fa518c503691/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...