./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/mix020.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbed3fc-d4ea-4961-a7db-8aa699da2ab0/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbed3fc-d4ea-4961-a7db-8aa699da2ab0/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbed3fc-d4ea-4961-a7db-8aa699da2ab0/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbed3fc-d4ea-4961-a7db-8aa699da2ab0/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix020.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbed3fc-d4ea-4961-a7db-8aa699da2ab0/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbed3fc-d4ea-4961-a7db-8aa699da2ab0/bin/uautomizer-DQz5hQGWxF --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 b3c17f675455332f72f7dc385a60a0aa293a9aeb1dd45189023ae89322443476 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 06:05:40,191 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 06:05:40,193 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 06:05:40,225 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 06:05:40,226 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 06:05:40,227 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 06:05:40,229 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 06:05:40,231 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 06:05:40,233 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 06:05:40,234 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 06:05:40,235 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 06:05:40,237 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 06:05:40,237 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 06:05:40,239 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 06:05:40,240 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 06:05:40,242 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 06:05:40,243 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 06:05:40,244 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 06:05:40,246 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 06:05:40,249 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 06:05:40,250 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 06:05:40,252 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 06:05:40,253 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 06:05:40,254 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 06:05:40,258 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 06:05:40,259 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 06:05:40,259 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 06:05:40,260 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 06:05:40,261 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 06:05:40,262 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 06:05:40,262 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 06:05:40,263 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 06:05:40,264 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 06:05:40,269 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 06:05:40,271 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 06:05:40,272 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 06:05:40,273 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 06:05:40,273 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 06:05:40,273 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 06:05:40,274 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 06:05:40,275 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 06:05:40,276 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbed3fc-d4ea-4961-a7db-8aa699da2ab0/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-20 06:05:40,326 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 06:05:40,329 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 06:05:40,329 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 06:05:40,336 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 06:05:40,336 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 06:05:40,337 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 06:05:40,337 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 06:05:40,337 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 06:05:40,338 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 06:05:40,338 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 06:05:40,338 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 06:05:40,338 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 06:05:40,339 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 06:05:40,339 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 06:05:40,339 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 06:05:40,339 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 06:05:40,339 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 06:05:40,340 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 06:05:40,340 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 06:05:40,340 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 06:05:40,340 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 06:05:40,340 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 06:05:40,341 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 06:05:40,341 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 06:05:40,341 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:05:40,341 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 06:05:40,342 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 06:05:40,342 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 06:05:40,342 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 06:05:40,342 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 06:05:40,342 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 06:05:40,343 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 06:05:40,343 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 06:05:40,343 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 06:05:40,343 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_cfbed3fc-d4ea-4961-a7db-8aa699da2ab0/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbed3fc-d4ea-4961-a7db-8aa699da2ab0/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b3c17f675455332f72f7dc385a60a0aa293a9aeb1dd45189023ae89322443476 [2021-11-20 06:05:40,634 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 06:05:40,658 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 06:05:40,661 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 06:05:40,663 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 06:05:40,664 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 06:05:40,666 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbed3fc-d4ea-4961-a7db-8aa699da2ab0/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/pthread-wmm/mix020.opt.i [2021-11-20 06:05:40,744 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbed3fc-d4ea-4961-a7db-8aa699da2ab0/bin/uautomizer-DQz5hQGWxF/data/89f473fee/cbbb7f2a2c464ecf85d9e4214e5bb60e/FLAGdb2657310 [2021-11-20 06:05:41,255 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 06:05:41,255 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbed3fc-d4ea-4961-a7db-8aa699da2ab0/sv-benchmarks/c/pthread-wmm/mix020.opt.i [2021-11-20 06:05:41,273 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbed3fc-d4ea-4961-a7db-8aa699da2ab0/bin/uautomizer-DQz5hQGWxF/data/89f473fee/cbbb7f2a2c464ecf85d9e4214e5bb60e/FLAGdb2657310 [2021-11-20 06:05:41,580 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbed3fc-d4ea-4961-a7db-8aa699da2ab0/bin/uautomizer-DQz5hQGWxF/data/89f473fee/cbbb7f2a2c464ecf85d9e4214e5bb60e [2021-11-20 06:05:41,583 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 06:05:41,584 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 06:05:41,590 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 06:05:41,590 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 06:05:41,593 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 06:05:41,594 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:05:41" (1/1) ... [2021-11-20 06:05:41,596 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d9ad93a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:05:41, skipping insertion in model container [2021-11-20 06:05:41,596 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:05:41" (1/1) ... [2021-11-20 06:05:41,603 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 06:05:41,678 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 06:05:41,959 WARN L230 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_cfbed3fc-d4ea-4961-a7db-8aa699da2ab0/sv-benchmarks/c/pthread-wmm/mix020.opt.i[944,957] [2021-11-20 06:05:42,196 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:05:42,205 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 06:05:42,218 WARN L230 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_cfbed3fc-d4ea-4961-a7db-8aa699da2ab0/sv-benchmarks/c/pthread-wmm/mix020.opt.i[944,957] [2021-11-20 06:05:42,271 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:05:42,338 INFO L208 MainTranslator]: Completed translation [2021-11-20 06:05:42,339 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:05:42 WrapperNode [2021-11-20 06:05:42,339 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 06:05:42,340 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 06:05:42,340 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 06:05:42,340 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 06:05:42,348 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:05:42" (1/1) ... [2021-11-20 06:05:42,386 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:05:42" (1/1) ... [2021-11-20 06:05:42,437 INFO L137 Inliner]: procedures = 177, calls = 69, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 295 [2021-11-20 06:05:42,440 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 06:05:42,441 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 06:05:42,442 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 06:05:42,442 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 06:05:42,450 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:05:42" (1/1) ... [2021-11-20 06:05:42,450 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:05:42" (1/1) ... [2021-11-20 06:05:42,466 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:05:42" (1/1) ... [2021-11-20 06:05:42,471 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:05:42" (1/1) ... [2021-11-20 06:05:42,483 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:05:42" (1/1) ... [2021-11-20 06:05:42,500 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:05:42" (1/1) ... [2021-11-20 06:05:42,521 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:05:42" (1/1) ... [2021-11-20 06:05:42,526 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 06:05:42,533 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 06:05:42,533 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 06:05:42,533 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 06:05:42,534 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:05:42" (1/1) ... [2021-11-20 06:05:42,543 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:05:42,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbed3fc-d4ea-4961-a7db-8aa699da2ab0/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:05:42,570 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbed3fc-d4ea-4961-a7db-8aa699da2ab0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 06:05:42,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbed3fc-d4ea-4961-a7db-8aa699da2ab0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 06:05:42,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 06:05:42,625 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-20 06:05:42,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 06:05:42,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 06:05:42,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 06:05:42,626 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-20 06:05:42,626 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-20 06:05:42,626 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-20 06:05:42,626 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-20 06:05:42,626 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-11-20 06:05:42,626 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-11-20 06:05:42,627 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-11-20 06:05:42,627 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-11-20 06:05:42,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 06:05:42,627 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-20 06:05:42,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 06:05:42,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 06:05:42,629 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-20 06:05:42,854 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 06:05:42,855 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 06:05:43,492 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 06:05:43,994 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 06:05:43,994 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-20 06:05:43,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:05:43 BoogieIcfgContainer [2021-11-20 06:05:43,997 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 06:05:43,999 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 06:05:43,999 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 06:05:44,002 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 06:05:44,002 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:05:41" (1/3) ... [2021-11-20 06:05:44,003 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23a077f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:05:44, skipping insertion in model container [2021-11-20 06:05:44,003 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:05:42" (2/3) ... [2021-11-20 06:05:44,004 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23a077f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:05:44, skipping insertion in model container [2021-11-20 06:05:44,004 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:05:43" (3/3) ... [2021-11-20 06:05:44,008 INFO L111 eAbstractionObserver]: Analyzing ICFG mix020.opt.i [2021-11-20 06:05:44,014 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-20 06:05:44,014 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 06:05:44,015 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-20 06:05:44,015 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-20 06:05:44,074 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,074 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,075 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,075 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,076 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,076 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,076 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,077 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,077 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,077 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,078 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,078 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,078 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,078 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,078 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,078 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,079 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,080 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,080 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,081 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,081 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,081 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,081 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,081 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,082 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,082 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,082 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,082 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,082 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,083 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,083 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,083 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,083 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,083 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,083 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,084 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,084 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,084 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,084 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,084 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,085 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,085 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,085 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,085 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,085 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,085 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,085 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,086 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,086 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,086 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,086 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,100 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,100 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,101 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,101 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,101 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,101 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,101 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,101 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,102 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,102 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,102 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,102 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,102 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,102 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,103 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,103 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,103 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,103 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,104 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,105 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,105 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,106 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,106 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,106 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,106 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,107 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,108 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,110 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,110 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,110 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,112 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,113 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,113 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,114 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,114 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,115 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,120 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,120 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,120 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,120 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,120 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,121 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,121 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,121 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,121 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,121 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,121 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,121 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,122 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,122 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,122 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,122 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,122 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,122 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,122 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,123 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,123 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,125 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,125 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,125 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,126 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,126 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,126 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,126 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,126 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,127 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,127 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,127 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,127 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,127 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,127 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,128 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,128 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,128 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,128 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,128 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,129 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,129 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,129 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,129 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,130 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,130 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,130 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,130 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,130 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,130 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,131 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,131 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,131 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,131 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,131 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,131 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,131 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,132 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,132 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,132 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,133 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,133 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,133 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,133 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,133 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,133 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,134 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,134 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,134 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,134 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,134 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,134 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,134 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,135 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,135 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,135 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,135 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,135 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,135 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,137 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,138 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,138 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,138 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,138 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,138 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,138 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,138 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,139 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,139 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,139 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,139 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,139 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,139 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,139 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,140 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,140 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,140 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,140 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,140 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,140 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,140 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,141 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,141 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,141 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,141 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,141 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,141 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,141 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,142 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,142 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,142 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,142 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,142 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,142 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,142 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,143 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,143 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,145 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,149 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,149 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,149 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,149 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,150 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,150 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,150 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,150 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,150 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,151 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,153 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,153 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,154 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,154 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,162 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,162 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,162 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,165 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,165 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,165 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,165 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,166 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,166 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,166 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,166 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,166 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,166 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,167 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,167 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,167 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,167 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,167 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,168 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,168 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,168 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,168 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,168 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,168 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,169 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,169 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,169 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,169 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,169 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,169 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,170 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,171 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,171 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,171 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,172 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,172 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,172 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,172 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,173 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,173 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,174 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,174 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,174 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,174 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,174 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,174 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,175 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,175 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,175 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,175 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,175 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,175 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,176 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,176 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,176 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,176 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,176 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,176 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,177 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,177 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,177 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,177 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,177 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,177 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,178 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,178 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,178 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,178 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,178 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,180 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,180 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,180 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,180 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:05:44,181 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-20 06:05:44,229 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 06:05:44,236 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 [2021-11-20 06:05:44,236 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-11-20 06:05:44,250 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 146 places, 135 transitions, 290 flow [2021-11-20 06:05:44,332 INFO L129 PetriNetUnfolder]: 2/131 cut-off events. [2021-11-20 06:05:44,332 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-20 06:05:44,336 INFO L84 FinitePrefix]: Finished finitePrefix Result has 144 conditions, 131 events. 2/131 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 62 event pairs, 0 based on Foata normal form. 0/127 useless extension candidates. Maximal degree in co-relation 89. Up to 2 conditions per place. [2021-11-20 06:05:44,337 INFO L82 GeneralOperation]: Start removeDead. Operand has 146 places, 135 transitions, 290 flow [2021-11-20 06:05:44,343 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 142 places, 131 transitions, 274 flow [2021-11-20 06:05:44,367 INFO L129 PetriNetUnfolder]: 0/89 cut-off events. [2021-11-20 06:05:44,367 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-20 06:05:44,367 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:05:44,368 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] [2021-11-20 06:05:44,369 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting P3Err0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-20 06:05:44,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:05:44,374 INFO L85 PathProgramCache]: Analyzing trace with hash -193157899, now seen corresponding path program 1 times [2021-11-20 06:05:44,386 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:05:44,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342331155] [2021-11-20 06:05:44,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:05:44,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:05:44,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:05:44,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:05:44,812 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:05:44,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342331155] [2021-11-20 06:05:44,814 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342331155] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:05:44,814 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:05:44,814 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 06:05:44,816 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268152333] [2021-11-20 06:05:44,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:05:44,825 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 06:05:44,826 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:05:44,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 06:05:44,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 06:05:44,856 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 135 [2021-11-20 06:05:44,860 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 131 transitions, 274 flow. Second operand has 3 states, 3 states have (on average 123.0) internal successors, (369), 3 states have internal predecessors, (369), 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) [2021-11-20 06:05:44,860 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:05:44,860 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 135 [2021-11-20 06:05:44,862 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:05:45,033 INFO L129 PetriNetUnfolder]: 14/170 cut-off events. [2021-11-20 06:05:45,033 INFO L130 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2021-11-20 06:05:45,035 INFO L84 FinitePrefix]: Finished finitePrefix Result has 221 conditions, 170 events. 14/170 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 273 event pairs, 2 based on Foata normal form. 5/166 useless extension candidates. Maximal degree in co-relation 163. Up to 25 conditions per place. [2021-11-20 06:05:45,037 INFO L132 encePairwiseOnDemand]: 130/135 looper letters, 10 selfloop transitions, 2 changer transitions 0/129 dead transitions. [2021-11-20 06:05:45,037 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 129 transitions, 294 flow [2021-11-20 06:05:45,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 06:05:45,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-20 06:05:45,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 380 transitions. [2021-11-20 06:05:45,060 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9382716049382716 [2021-11-20 06:05:45,061 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 380 transitions. [2021-11-20 06:05:45,062 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 380 transitions. [2021-11-20 06:05:45,067 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:05:45,069 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 380 transitions. [2021-11-20 06:05:45,075 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 126.66666666666667) internal successors, (380), 3 states have internal predecessors, (380), 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) [2021-11-20 06:05:45,083 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 135.0) internal successors, (540), 4 states have internal predecessors, (540), 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) [2021-11-20 06:05:45,084 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 135.0) internal successors, (540), 4 states have internal predecessors, (540), 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) [2021-11-20 06:05:45,086 INFO L186 Difference]: Start difference. First operand has 142 places, 131 transitions, 274 flow. Second operand 3 states and 380 transitions. [2021-11-20 06:05:45,087 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 129 transitions, 294 flow [2021-11-20 06:05:45,093 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 138 places, 129 transitions, 290 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-11-20 06:05:45,098 INFO L242 Difference]: Finished difference. Result has 138 places, 127 transitions, 266 flow [2021-11-20 06:05:45,100 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=135, PETRI_DIFFERENCE_MINUEND_FLOW=262, PETRI_DIFFERENCE_MINUEND_PLACES=136, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=125, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=266, PETRI_PLACES=138, PETRI_TRANSITIONS=127} [2021-11-20 06:05:45,106 INFO L334 CegarLoopForPetriNet]: 142 programPoint places, -4 predicate places. [2021-11-20 06:05:45,107 INFO L470 AbstractCegarLoop]: Abstraction has has 138 places, 127 transitions, 266 flow [2021-11-20 06:05:45,107 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 123.0) internal successors, (369), 3 states have internal predecessors, (369), 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) [2021-11-20 06:05:45,107 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:05:45,108 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:05:45,108 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 06:05:45,108 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-20 06:05:45,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:05:45,110 INFO L85 PathProgramCache]: Analyzing trace with hash 2039374663, now seen corresponding path program 1 times [2021-11-20 06:05:45,110 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:05:45,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996319068] [2021-11-20 06:05:45,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:05:45,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:05:45,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:05:45,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:05:45,555 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:05:45,556 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996319068] [2021-11-20 06:05:45,556 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996319068] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:05:45,556 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:05:45,556 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-20 06:05:45,557 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137218215] [2021-11-20 06:05:45,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:05:45,559 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 06:05:45,559 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:05:45,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 06:05:45,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-20 06:05:45,563 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 135 [2021-11-20 06:05:45,565 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 127 transitions, 266 flow. Second operand has 7 states, 7 states have (on average 108.28571428571429) internal successors, (758), 7 states have internal predecessors, (758), 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) [2021-11-20 06:05:45,565 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:05:45,565 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 135 [2021-11-20 06:05:45,566 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:05:47,224 INFO L129 PetriNetUnfolder]: 1863/4695 cut-off events. [2021-11-20 06:05:47,224 INFO L130 PetriNetUnfolder]: For 84/84 co-relation queries the response was YES. [2021-11-20 06:05:47,251 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7578 conditions, 4695 events. 1863/4695 cut-off events. For 84/84 co-relation queries the response was YES. Maximal size of possible extension queue 293. Compared 40080 event pairs, 274 based on Foata normal form. 0/4579 useless extension candidates. Maximal degree in co-relation 7517. Up to 1023 conditions per place. [2021-11-20 06:05:47,273 INFO L132 encePairwiseOnDemand]: 124/135 looper letters, 32 selfloop transitions, 7 changer transitions 80/208 dead transitions. [2021-11-20 06:05:47,273 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 208 transitions, 646 flow [2021-11-20 06:05:47,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-20 06:05:47,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-11-20 06:05:47,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1487 transitions. [2021-11-20 06:05:47,281 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8472934472934472 [2021-11-20 06:05:47,281 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1487 transitions. [2021-11-20 06:05:47,281 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1487 transitions. [2021-11-20 06:05:47,282 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:05:47,283 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1487 transitions. [2021-11-20 06:05:47,287 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 114.38461538461539) internal successors, (1487), 13 states have internal predecessors, (1487), 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) [2021-11-20 06:05:47,294 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 135.0) internal successors, (1890), 14 states have internal predecessors, (1890), 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) [2021-11-20 06:05:47,296 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 135.0) internal successors, (1890), 14 states have internal predecessors, (1890), 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) [2021-11-20 06:05:47,296 INFO L186 Difference]: Start difference. First operand has 138 places, 127 transitions, 266 flow. Second operand 13 states and 1487 transitions. [2021-11-20 06:05:47,297 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 150 places, 208 transitions, 646 flow [2021-11-20 06:05:47,300 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 148 places, 208 transitions, 636 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-11-20 06:05:47,306 INFO L242 Difference]: Finished difference. Result has 160 places, 118 transitions, 334 flow [2021-11-20 06:05:47,307 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=135, PETRI_DIFFERENCE_MINUEND_FLOW=262, PETRI_DIFFERENCE_MINUEND_PLACES=136, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=120, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=334, PETRI_PLACES=160, PETRI_TRANSITIONS=118} [2021-11-20 06:05:47,308 INFO L334 CegarLoopForPetriNet]: 142 programPoint places, 18 predicate places. [2021-11-20 06:05:47,308 INFO L470 AbstractCegarLoop]: Abstraction has has 160 places, 118 transitions, 334 flow [2021-11-20 06:05:47,309 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 108.28571428571429) internal successors, (758), 7 states have internal predecessors, (758), 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) [2021-11-20 06:05:47,309 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:05:47,309 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:05:47,309 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 06:05:47,309 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-20 06:05:47,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:05:47,314 INFO L85 PathProgramCache]: Analyzing trace with hash 1913398270, now seen corresponding path program 1 times [2021-11-20 06:05:47,314 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:05:47,314 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286623966] [2021-11-20 06:05:47,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:05:47,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:05:47,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:05:47,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:05:47,586 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:05:47,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286623966] [2021-11-20 06:05:47,587 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286623966] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:05:47,587 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:05:47,587 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 06:05:47,587 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873936545] [2021-11-20 06:05:47,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:05:47,588 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:05:47,588 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:05:47,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:05:47,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:05:47,591 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 135 [2021-11-20 06:05:47,592 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 118 transitions, 334 flow. Second operand has 6 states, 6 states have (on average 114.33333333333333) internal successors, (686), 6 states have internal predecessors, (686), 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) [2021-11-20 06:05:47,592 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:05:47,592 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 135 [2021-11-20 06:05:47,592 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:05:48,424 INFO L129 PetriNetUnfolder]: 951/2207 cut-off events. [2021-11-20 06:05:48,425 INFO L130 PetriNetUnfolder]: For 5026/5215 co-relation queries the response was YES. [2021-11-20 06:05:48,441 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7177 conditions, 2207 events. 951/2207 cut-off events. For 5026/5215 co-relation queries the response was YES. Maximal size of possible extension queue 192. Compared 16220 event pairs, 526 based on Foata normal form. 54/2135 useless extension candidates. Maximal degree in co-relation 7108. Up to 765 conditions per place. [2021-11-20 06:05:48,462 INFO L132 encePairwiseOnDemand]: 128/135 looper letters, 26 selfloop transitions, 4 changer transitions 34/161 dead transitions. [2021-11-20 06:05:48,463 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 161 transitions, 724 flow [2021-11-20 06:05:48,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 06:05:48,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-11-20 06:05:48,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1064 transitions. [2021-11-20 06:05:48,468 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8757201646090536 [2021-11-20 06:05:48,468 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1064 transitions. [2021-11-20 06:05:48,468 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1064 transitions. [2021-11-20 06:05:48,469 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:05:48,469 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1064 transitions. [2021-11-20 06:05:48,473 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 118.22222222222223) internal successors, (1064), 9 states have internal predecessors, (1064), 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) [2021-11-20 06:05:48,477 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 135.0) internal successors, (1350), 10 states have internal predecessors, (1350), 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) [2021-11-20 06:05:48,479 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 135.0) internal successors, (1350), 10 states have internal predecessors, (1350), 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) [2021-11-20 06:05:48,480 INFO L186 Difference]: Start difference. First operand has 160 places, 118 transitions, 334 flow. Second operand 9 states and 1064 transitions. [2021-11-20 06:05:48,480 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 145 places, 161 transitions, 724 flow [2021-11-20 06:05:48,509 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 141 places, 161 transitions, 693 flow, removed 14 selfloop flow, removed 4 redundant places. [2021-11-20 06:05:48,516 INFO L242 Difference]: Finished difference. Result has 148 places, 121 transitions, 390 flow [2021-11-20 06:05:48,516 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=135, PETRI_DIFFERENCE_MINUEND_FLOW=320, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=118, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=114, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=390, PETRI_PLACES=148, PETRI_TRANSITIONS=121} [2021-11-20 06:05:48,519 INFO L334 CegarLoopForPetriNet]: 142 programPoint places, 6 predicate places. [2021-11-20 06:05:48,519 INFO L470 AbstractCegarLoop]: Abstraction has has 148 places, 121 transitions, 390 flow [2021-11-20 06:05:48,520 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 114.33333333333333) internal successors, (686), 6 states have internal predecessors, (686), 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) [2021-11-20 06:05:48,520 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:05:48,521 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:05:48,521 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 06:05:48,521 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-20 06:05:48,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:05:48,525 INFO L85 PathProgramCache]: Analyzing trace with hash 1677412793, now seen corresponding path program 1 times [2021-11-20 06:05:48,525 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:05:48,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918463940] [2021-11-20 06:05:48,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:05:48,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:05:48,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:05:48,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:05:48,773 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:05:48,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918463940] [2021-11-20 06:05:48,773 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1918463940] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:05:48,774 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:05:48,774 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 06:05:48,774 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728364208] [2021-11-20 06:05:48,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:05:48,776 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:05:48,777 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:05:48,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:05:48,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:05:48,784 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 135 [2021-11-20 06:05:48,785 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 148 places, 121 transitions, 390 flow. Second operand has 6 states, 6 states have (on average 112.33333333333333) internal successors, (674), 6 states have internal predecessors, (674), 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) [2021-11-20 06:05:48,785 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:05:48,786 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 135 [2021-11-20 06:05:48,786 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:05:51,397 INFO L129 PetriNetUnfolder]: 5509/10113 cut-off events. [2021-11-20 06:05:51,397 INFO L130 PetriNetUnfolder]: For 13154/18130 co-relation queries the response was YES. [2021-11-20 06:05:51,479 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25785 conditions, 10113 events. 5509/10113 cut-off events. For 13154/18130 co-relation queries the response was YES. Maximal size of possible extension queue 821. Compared 84799 event pairs, 502 based on Foata normal form. 24/9375 useless extension candidates. Maximal degree in co-relation 25711. Up to 3319 conditions per place. [2021-11-20 06:05:51,545 INFO L132 encePairwiseOnDemand]: 124/135 looper letters, 77 selfloop transitions, 20 changer transitions 0/196 dead transitions. [2021-11-20 06:05:51,545 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 196 transitions, 845 flow [2021-11-20 06:05:51,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-20 06:05:51,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-11-20 06:05:51,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1191 transitions. [2021-11-20 06:05:51,550 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8822222222222222 [2021-11-20 06:05:51,550 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1191 transitions. [2021-11-20 06:05:51,550 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1191 transitions. [2021-11-20 06:05:51,551 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:05:51,551 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1191 transitions. [2021-11-20 06:05:51,555 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 119.1) internal successors, (1191), 10 states have internal predecessors, (1191), 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) [2021-11-20 06:05:51,559 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 135.0) internal successors, (1485), 11 states have internal predecessors, (1485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:05:51,559 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 135.0) internal successors, (1485), 11 states have internal predecessors, (1485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:05:51,560 INFO L186 Difference]: Start difference. First operand has 148 places, 121 transitions, 390 flow. Second operand 10 states and 1191 transitions. [2021-11-20 06:05:51,560 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 151 places, 196 transitions, 845 flow [2021-11-20 06:05:51,586 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 144 places, 196 transitions, 823 flow, removed 9 selfloop flow, removed 7 redundant places. [2021-11-20 06:05:51,590 INFO L242 Difference]: Finished difference. Result has 150 places, 139 transitions, 511 flow [2021-11-20 06:05:51,590 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=135, PETRI_DIFFERENCE_MINUEND_FLOW=368, PETRI_DIFFERENCE_MINUEND_PLACES=135, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=121, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=511, PETRI_PLACES=150, PETRI_TRANSITIONS=139} [2021-11-20 06:05:51,591 INFO L334 CegarLoopForPetriNet]: 142 programPoint places, 8 predicate places. [2021-11-20 06:05:51,591 INFO L470 AbstractCegarLoop]: Abstraction has has 150 places, 139 transitions, 511 flow [2021-11-20 06:05:51,592 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 112.33333333333333) internal successors, (674), 6 states have internal predecessors, (674), 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) [2021-11-20 06:05:51,592 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:05:51,592 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:05:51,592 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-20 06:05:51,593 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-20 06:05:51,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:05:51,593 INFO L85 PathProgramCache]: Analyzing trace with hash 1380711704, now seen corresponding path program 1 times [2021-11-20 06:05:51,593 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:05:51,594 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605624977] [2021-11-20 06:05:51,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:05:51,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:05:51,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:05:51,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:05:51,783 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:05:51,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605624977] [2021-11-20 06:05:51,784 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605624977] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:05:51,784 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:05:51,784 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-20 06:05:51,784 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055957668] [2021-11-20 06:05:51,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:05:51,786 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 06:05:51,786 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:05:51,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 06:05:51,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-20 06:05:51,788 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 135 [2021-11-20 06:05:51,790 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 150 places, 139 transitions, 511 flow. Second operand has 7 states, 7 states have (on average 108.71428571428571) internal successors, (761), 7 states have internal predecessors, (761), 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) [2021-11-20 06:05:51,790 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:05:51,790 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 135 [2021-11-20 06:05:51,790 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:05:53,323 INFO L129 PetriNetUnfolder]: 2128/6191 cut-off events. [2021-11-20 06:05:53,323 INFO L130 PetriNetUnfolder]: For 12821/14187 co-relation queries the response was YES. [2021-11-20 06:05:53,388 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19195 conditions, 6191 events. 2128/6191 cut-off events. For 12821/14187 co-relation queries the response was YES. Maximal size of possible extension queue 419. Compared 63549 event pairs, 660 based on Foata normal form. 143/5824 useless extension candidates. Maximal degree in co-relation 19115. Up to 1456 conditions per place. [2021-11-20 06:05:53,436 INFO L132 encePairwiseOnDemand]: 124/135 looper letters, 66 selfloop transitions, 21 changer transitions 0/194 dead transitions. [2021-11-20 06:05:53,436 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 159 places, 194 transitions, 1083 flow [2021-11-20 06:05:53,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-20 06:05:53,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-11-20 06:05:53,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1142 transitions. [2021-11-20 06:05:53,440 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.845925925925926 [2021-11-20 06:05:53,440 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1142 transitions. [2021-11-20 06:05:53,440 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1142 transitions. [2021-11-20 06:05:53,441 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:05:53,442 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1142 transitions. [2021-11-20 06:05:53,445 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 114.2) internal successors, (1142), 10 states have internal predecessors, (1142), 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) [2021-11-20 06:05:53,448 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 135.0) internal successors, (1485), 11 states have internal predecessors, (1485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:05:53,449 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 135.0) internal successors, (1485), 11 states have internal predecessors, (1485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:05:53,449 INFO L186 Difference]: Start difference. First operand has 150 places, 139 transitions, 511 flow. Second operand 10 states and 1142 transitions. [2021-11-20 06:05:53,450 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 159 places, 194 transitions, 1083 flow [2021-11-20 06:05:53,471 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 158 places, 194 transitions, 1073 flow, removed 4 selfloop flow, removed 1 redundant places. [2021-11-20 06:05:53,474 INFO L242 Difference]: Finished difference. Result has 166 places, 151 transitions, 712 flow [2021-11-20 06:05:53,475 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=135, PETRI_DIFFERENCE_MINUEND_FLOW=507, PETRI_DIFFERENCE_MINUEND_PLACES=149, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=139, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=712, PETRI_PLACES=166, PETRI_TRANSITIONS=151} [2021-11-20 06:05:53,476 INFO L334 CegarLoopForPetriNet]: 142 programPoint places, 24 predicate places. [2021-11-20 06:05:53,476 INFO L470 AbstractCegarLoop]: Abstraction has has 166 places, 151 transitions, 712 flow [2021-11-20 06:05:53,476 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 108.71428571428571) internal successors, (761), 7 states have internal predecessors, (761), 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) [2021-11-20 06:05:53,477 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:05:53,477 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:05:53,477 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-20 06:05:53,477 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-20 06:05:53,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:05:53,478 INFO L85 PathProgramCache]: Analyzing trace with hash -2021546950, now seen corresponding path program 1 times [2021-11-20 06:05:53,478 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:05:53,478 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780106295] [2021-11-20 06:05:53,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:05:53,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:05:53,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:05:53,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:05:53,629 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:05:53,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780106295] [2021-11-20 06:05:53,629 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1780106295] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:05:53,629 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:05:53,630 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-20 06:05:53,630 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918301536] [2021-11-20 06:05:53,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:05:53,630 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 06:05:53,630 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:05:53,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 06:05:53,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-20 06:05:53,633 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 135 [2021-11-20 06:05:53,634 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 166 places, 151 transitions, 712 flow. Second operand has 7 states, 7 states have (on average 112.28571428571429) internal successors, (786), 7 states have internal predecessors, (786), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:05:53,634 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:05:53,634 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 135 [2021-11-20 06:05:53,634 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:05:56,946 INFO L129 PetriNetUnfolder]: 7629/14365 cut-off events. [2021-11-20 06:05:56,946 INFO L130 PetriNetUnfolder]: For 41947/47286 co-relation queries the response was YES. [2021-11-20 06:05:57,051 INFO L84 FinitePrefix]: Finished finitePrefix Result has 52893 conditions, 14365 events. 7629/14365 cut-off events. For 41947/47286 co-relation queries the response was YES. Maximal size of possible extension queue 1096. Compared 129194 event pairs, 319 based on Foata normal form. 460/14194 useless extension candidates. Maximal degree in co-relation 52805. Up to 4275 conditions per place. [2021-11-20 06:05:57,088 INFO L132 encePairwiseOnDemand]: 124/135 looper letters, 82 selfloop transitions, 36 changer transitions 22/250 dead transitions. [2021-11-20 06:05:57,088 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 178 places, 250 transitions, 1578 flow [2021-11-20 06:05:57,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-20 06:05:57,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-11-20 06:05:57,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1552 transitions. [2021-11-20 06:05:57,094 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8843304843304843 [2021-11-20 06:05:57,095 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1552 transitions. [2021-11-20 06:05:57,095 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1552 transitions. [2021-11-20 06:05:57,096 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:05:57,096 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1552 transitions. [2021-11-20 06:05:57,101 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 119.38461538461539) internal successors, (1552), 13 states have internal predecessors, (1552), 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) [2021-11-20 06:05:57,106 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 135.0) internal successors, (1890), 14 states have internal predecessors, (1890), 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) [2021-11-20 06:05:57,107 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 135.0) internal successors, (1890), 14 states have internal predecessors, (1890), 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) [2021-11-20 06:05:57,107 INFO L186 Difference]: Start difference. First operand has 166 places, 151 transitions, 712 flow. Second operand 13 states and 1552 transitions. [2021-11-20 06:05:57,107 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 178 places, 250 transitions, 1578 flow [2021-11-20 06:05:57,267 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 178 places, 250 transitions, 1530 flow, removed 24 selfloop flow, removed 0 redundant places. [2021-11-20 06:05:57,273 INFO L242 Difference]: Finished difference. Result has 184 places, 169 transitions, 940 flow [2021-11-20 06:05:57,273 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=135, PETRI_DIFFERENCE_MINUEND_FLOW=664, PETRI_DIFFERENCE_MINUEND_PLACES=166, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=151, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=127, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=940, PETRI_PLACES=184, PETRI_TRANSITIONS=169} [2021-11-20 06:05:57,276 INFO L334 CegarLoopForPetriNet]: 142 programPoint places, 42 predicate places. [2021-11-20 06:05:57,276 INFO L470 AbstractCegarLoop]: Abstraction has has 184 places, 169 transitions, 940 flow [2021-11-20 06:05:57,277 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 112.28571428571429) internal successors, (786), 7 states have internal predecessors, (786), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:05:57,277 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:05:57,278 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:05:57,278 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-20 06:05:57,278 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-20 06:05:57,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:05:57,279 INFO L85 PathProgramCache]: Analyzing trace with hash 1231457001, now seen corresponding path program 1 times [2021-11-20 06:05:57,280 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:05:57,280 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458697100] [2021-11-20 06:05:57,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:05:57,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:05:57,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:05:57,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:05:57,500 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:05:57,500 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458697100] [2021-11-20 06:05:57,500 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1458697100] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:05:57,500 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:05:57,500 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-20 06:05:57,501 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490402219] [2021-11-20 06:05:57,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:05:57,506 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-20 06:05:57,506 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:05:57,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-20 06:05:57,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-20 06:05:57,509 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 135 [2021-11-20 06:05:57,511 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 184 places, 169 transitions, 940 flow. Second operand has 8 states, 8 states have (on average 112.25) internal successors, (898), 8 states have internal predecessors, (898), 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) [2021-11-20 06:05:57,511 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:05:57,511 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 135 [2021-11-20 06:05:57,511 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:06:00,791 INFO L129 PetriNetUnfolder]: 7015/13511 cut-off events. [2021-11-20 06:06:00,791 INFO L130 PetriNetUnfolder]: For 70627/76401 co-relation queries the response was YES. [2021-11-20 06:06:00,902 INFO L84 FinitePrefix]: Finished finitePrefix Result has 60977 conditions, 13511 events. 7015/13511 cut-off events. For 70627/76401 co-relation queries the response was YES. Maximal size of possible extension queue 1102. Compared 124925 event pairs, 232 based on Foata normal form. 564/13496 useless extension candidates. Maximal degree in co-relation 60880. Up to 3999 conditions per place. [2021-11-20 06:06:00,931 INFO L132 encePairwiseOnDemand]: 124/135 looper letters, 90 selfloop transitions, 52 changer transitions 46/290 dead transitions. [2021-11-20 06:06:00,932 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 199 places, 290 transitions, 2197 flow [2021-11-20 06:06:00,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-20 06:06:00,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-11-20 06:06:00,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 1910 transitions. [2021-11-20 06:06:00,939 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8842592592592593 [2021-11-20 06:06:00,939 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 1910 transitions. [2021-11-20 06:06:00,939 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 1910 transitions. [2021-11-20 06:06:00,941 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:06:00,941 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 1910 transitions. [2021-11-20 06:06:00,947 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 119.375) internal successors, (1910), 16 states have internal predecessors, (1910), 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) [2021-11-20 06:06:00,952 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 135.0) internal successors, (2295), 17 states have internal predecessors, (2295), 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) [2021-11-20 06:06:00,954 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 135.0) internal successors, (2295), 17 states have internal predecessors, (2295), 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) [2021-11-20 06:06:00,954 INFO L186 Difference]: Start difference. First operand has 184 places, 169 transitions, 940 flow. Second operand 16 states and 1910 transitions. [2021-11-20 06:06:00,954 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 199 places, 290 transitions, 2197 flow [2021-11-20 06:06:02,428 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 195 places, 290 transitions, 2092 flow, removed 44 selfloop flow, removed 4 redundant places. [2021-11-20 06:06:02,432 INFO L242 Difference]: Finished difference. Result has 199 places, 182 transitions, 1168 flow [2021-11-20 06:06:02,433 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=135, PETRI_DIFFERENCE_MINUEND_FLOW=843, PETRI_DIFFERENCE_MINUEND_PLACES=180, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=169, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=40, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=127, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=1168, PETRI_PLACES=199, PETRI_TRANSITIONS=182} [2021-11-20 06:06:02,433 INFO L334 CegarLoopForPetriNet]: 142 programPoint places, 57 predicate places. [2021-11-20 06:06:02,433 INFO L470 AbstractCegarLoop]: Abstraction has has 199 places, 182 transitions, 1168 flow [2021-11-20 06:06:02,434 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 112.25) internal successors, (898), 8 states have internal predecessors, (898), 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) [2021-11-20 06:06:02,434 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:06:02,434 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:06:02,435 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-20 06:06:02,435 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-20 06:06:02,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:06:02,435 INFO L85 PathProgramCache]: Analyzing trace with hash -647629339, now seen corresponding path program 1 times [2021-11-20 06:06:02,435 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:06:02,436 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979967569] [2021-11-20 06:06:02,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:06:02,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:06:02,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:06:02,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:06:02,615 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:06:02,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979967569] [2021-11-20 06:06:02,615 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979967569] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:06:02,615 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:06:02,616 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-20 06:06:02,616 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362683949] [2021-11-20 06:06:02,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:06:02,616 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 06:06:02,617 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:06:02,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 06:06:02,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-20 06:06:02,619 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 135 [2021-11-20 06:06:02,620 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 199 places, 182 transitions, 1168 flow. Second operand has 7 states, 7 states have (on average 107.57142857142857) internal successors, (753), 7 states have internal predecessors, (753), 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) [2021-11-20 06:06:02,620 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:06:02,620 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 135 [2021-11-20 06:06:02,620 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:06:04,247 INFO L129 PetriNetUnfolder]: 2883/9680 cut-off events. [2021-11-20 06:06:04,247 INFO L130 PetriNetUnfolder]: For 50224/53512 co-relation queries the response was YES. [2021-11-20 06:06:04,347 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37369 conditions, 9680 events. 2883/9680 cut-off events. For 50224/53512 co-relation queries the response was YES. Maximal size of possible extension queue 1274. Compared 122924 event pairs, 55 based on Foata normal form. 12/9056 useless extension candidates. Maximal degree in co-relation 37262. Up to 2353 conditions per place. [2021-11-20 06:06:04,387 INFO L132 encePairwiseOnDemand]: 121/135 looper letters, 55 selfloop transitions, 30 changer transitions 20/250 dead transitions. [2021-11-20 06:06:04,387 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 203 places, 250 transitions, 1920 flow [2021-11-20 06:06:04,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-20 06:06:04,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-11-20 06:06:04,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1233 transitions. [2021-11-20 06:06:04,393 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8303030303030303 [2021-11-20 06:06:04,394 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1233 transitions. [2021-11-20 06:06:04,394 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1233 transitions. [2021-11-20 06:06:04,395 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:06:04,395 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1233 transitions. [2021-11-20 06:06:04,399 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 112.0909090909091) internal successors, (1233), 11 states have internal predecessors, (1233), 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) [2021-11-20 06:06:04,403 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 135.0) internal successors, (1620), 12 states have internal predecessors, (1620), 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) [2021-11-20 06:06:04,404 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 135.0) internal successors, (1620), 12 states have internal predecessors, (1620), 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) [2021-11-20 06:06:04,404 INFO L186 Difference]: Start difference. First operand has 199 places, 182 transitions, 1168 flow. Second operand 11 states and 1233 transitions. [2021-11-20 06:06:04,404 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 203 places, 250 transitions, 1920 flow [2021-11-20 06:06:07,107 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 186 places, 250 transitions, 1561 flow, removed 140 selfloop flow, removed 17 redundant places. [2021-11-20 06:06:07,112 INFO L242 Difference]: Finished difference. Result has 195 places, 201 transitions, 1198 flow [2021-11-20 06:06:07,113 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=135, PETRI_DIFFERENCE_MINUEND_FLOW=849, PETRI_DIFFERENCE_MINUEND_PLACES=176, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=182, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=162, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1198, PETRI_PLACES=195, PETRI_TRANSITIONS=201} [2021-11-20 06:06:07,113 INFO L334 CegarLoopForPetriNet]: 142 programPoint places, 53 predicate places. [2021-11-20 06:06:07,114 INFO L470 AbstractCegarLoop]: Abstraction has has 195 places, 201 transitions, 1198 flow [2021-11-20 06:06:07,114 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 107.57142857142857) internal successors, (753), 7 states have internal predecessors, (753), 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) [2021-11-20 06:06:07,114 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:06:07,115 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:06:07,115 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-20 06:06:07,115 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-20 06:06:07,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:06:07,116 INFO L85 PathProgramCache]: Analyzing trace with hash 361140577, now seen corresponding path program 2 times [2021-11-20 06:06:07,116 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:06:07,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309883331] [2021-11-20 06:06:07,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:06:07,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:06:07,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:06:07,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:06:07,392 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:06:07,392 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309883331] [2021-11-20 06:06:07,393 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1309883331] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:06:07,393 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:06:07,393 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-20 06:06:07,393 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101826848] [2021-11-20 06:06:07,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:06:07,394 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 06:06:07,394 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:06:07,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 06:06:07,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-20 06:06:07,396 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 135 [2021-11-20 06:06:07,397 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 195 places, 201 transitions, 1198 flow. Second operand has 7 states, 7 states have (on average 113.71428571428571) internal successors, (796), 7 states have internal predecessors, (796), 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) [2021-11-20 06:06:07,398 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:06:07,398 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 135 [2021-11-20 06:06:07,398 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:06:09,441 INFO L129 PetriNetUnfolder]: 3853/12456 cut-off events. [2021-11-20 06:06:09,442 INFO L130 PetriNetUnfolder]: For 22720/23800 co-relation queries the response was YES. [2021-11-20 06:06:09,536 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34168 conditions, 12456 events. 3853/12456 cut-off events. For 22720/23800 co-relation queries the response was YES. Maximal size of possible extension queue 1594. Compared 164871 event pairs, 60 based on Foata normal form. 13/11633 useless extension candidates. Maximal degree in co-relation 34063. Up to 1502 conditions per place. [2021-11-20 06:06:09,569 INFO L132 encePairwiseOnDemand]: 129/135 looper letters, 46 selfloop transitions, 4 changer transitions 10/232 dead transitions. [2021-11-20 06:06:09,569 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 195 places, 232 transitions, 1581 flow [2021-11-20 06:06:09,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 06:06:09,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-11-20 06:06:09,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 828 transitions. [2021-11-20 06:06:09,573 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8761904761904762 [2021-11-20 06:06:09,573 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 828 transitions. [2021-11-20 06:06:09,573 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 828 transitions. [2021-11-20 06:06:09,574 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:06:09,574 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 828 transitions. [2021-11-20 06:06:09,577 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 118.28571428571429) internal successors, (828), 7 states have internal predecessors, (828), 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) [2021-11-20 06:06:09,579 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 135.0) internal successors, (1080), 8 states have internal predecessors, (1080), 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) [2021-11-20 06:06:09,580 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 135.0) internal successors, (1080), 8 states have internal predecessors, (1080), 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) [2021-11-20 06:06:09,580 INFO L186 Difference]: Start difference. First operand has 195 places, 201 transitions, 1198 flow. Second operand 7 states and 828 transitions. [2021-11-20 06:06:09,580 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 195 places, 232 transitions, 1581 flow [2021-11-20 06:06:10,784 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 189 places, 232 transitions, 1483 flow, removed 49 selfloop flow, removed 6 redundant places. [2021-11-20 06:06:10,788 INFO L242 Difference]: Finished difference. Result has 193 places, 201 transitions, 1180 flow [2021-11-20 06:06:10,789 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=135, PETRI_DIFFERENCE_MINUEND_FLOW=1162, PETRI_DIFFERENCE_MINUEND_PLACES=183, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=201, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=197, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1180, PETRI_PLACES=193, PETRI_TRANSITIONS=201} [2021-11-20 06:06:10,790 INFO L334 CegarLoopForPetriNet]: 142 programPoint places, 51 predicate places. [2021-11-20 06:06:10,790 INFO L470 AbstractCegarLoop]: Abstraction has has 193 places, 201 transitions, 1180 flow [2021-11-20 06:06:10,791 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 113.71428571428571) internal successors, (796), 7 states have internal predecessors, (796), 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) [2021-11-20 06:06:10,791 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:06:10,791 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:06:10,791 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-20 06:06:10,792 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-20 06:06:10,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:06:10,792 INFO L85 PathProgramCache]: Analyzing trace with hash 319201139, now seen corresponding path program 3 times [2021-11-20 06:06:10,792 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:06:10,793 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261693132] [2021-11-20 06:06:10,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:06:10,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:06:10,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:06:10,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:06:10,965 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:06:10,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261693132] [2021-11-20 06:06:10,965 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261693132] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:06:10,965 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:06:10,966 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-20 06:06:10,966 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312967068] [2021-11-20 06:06:10,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:06:10,967 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-20 06:06:10,967 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:06:10,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-20 06:06:10,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-11-20 06:06:10,970 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 135 [2021-11-20 06:06:10,971 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 193 places, 201 transitions, 1180 flow. Second operand has 9 states, 9 states have (on average 112.11111111111111) internal successors, (1009), 9 states have internal predecessors, (1009), 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) [2021-11-20 06:06:10,972 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:06:10,972 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 135 [2021-11-20 06:06:10,972 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:06:17,245 INFO L129 PetriNetUnfolder]: 14374/29136 cut-off events. [2021-11-20 06:06:17,245 INFO L130 PetriNetUnfolder]: For 105788/123065 co-relation queries the response was YES. [2021-11-20 06:06:17,676 INFO L84 FinitePrefix]: Finished finitePrefix Result has 107527 conditions, 29136 events. 14374/29136 cut-off events. For 105788/123065 co-relation queries the response was YES. Maximal size of possible extension queue 2429. Compared 320272 event pairs, 374 based on Foata normal form. 1466/29644 useless extension candidates. Maximal degree in co-relation 107486. Up to 3748 conditions per place. [2021-11-20 06:06:17,718 INFO L132 encePairwiseOnDemand]: 124/135 looper letters, 95 selfloop transitions, 57 changer transitions 51/319 dead transitions. [2021-11-20 06:06:17,718 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 208 places, 319 transitions, 2551 flow [2021-11-20 06:06:17,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-20 06:06:17,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-11-20 06:06:17,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 2229 transitions. [2021-11-20 06:06:17,726 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8690058479532163 [2021-11-20 06:06:17,726 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 2229 transitions. [2021-11-20 06:06:17,726 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 2229 transitions. [2021-11-20 06:06:17,728 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:06:17,728 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 2229 transitions. [2021-11-20 06:06:17,734 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 117.3157894736842) internal successors, (2229), 19 states have internal predecessors, (2229), 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) [2021-11-20 06:06:17,742 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 135.0) internal successors, (2700), 20 states have internal predecessors, (2700), 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) [2021-11-20 06:06:17,744 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 135.0) internal successors, (2700), 20 states have internal predecessors, (2700), 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) [2021-11-20 06:06:17,744 INFO L186 Difference]: Start difference. First operand has 193 places, 201 transitions, 1180 flow. Second operand 19 states and 2229 transitions. [2021-11-20 06:06:17,744 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 208 places, 319 transitions, 2551 flow [2021-11-20 06:06:23,507 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 200 places, 319 transitions, 2379 flow, removed 65 selfloop flow, removed 8 redundant places. [2021-11-20 06:06:23,513 INFO L242 Difference]: Finished difference. Result has 207 places, 199 transitions, 1249 flow [2021-11-20 06:06:23,513 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=135, PETRI_DIFFERENCE_MINUEND_FLOW=1108, PETRI_DIFFERENCE_MINUEND_PLACES=182, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=201, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=54, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=144, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=1249, PETRI_PLACES=207, PETRI_TRANSITIONS=199} [2021-11-20 06:06:23,514 INFO L334 CegarLoopForPetriNet]: 142 programPoint places, 65 predicate places. [2021-11-20 06:06:23,514 INFO L470 AbstractCegarLoop]: Abstraction has has 207 places, 199 transitions, 1249 flow [2021-11-20 06:06:23,515 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 112.11111111111111) internal successors, (1009), 9 states have internal predecessors, (1009), 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) [2021-11-20 06:06:23,515 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:06:23,515 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:06:23,516 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-20 06:06:23,516 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-20 06:06:23,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:06:23,516 INFO L85 PathProgramCache]: Analyzing trace with hash -326766903, now seen corresponding path program 1 times [2021-11-20 06:06:23,517 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:06:23,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804939585] [2021-11-20 06:06:23,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:06:23,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:06:23,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:06:23,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:06:23,679 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:06:23,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804939585] [2021-11-20 06:06:23,680 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1804939585] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:06:23,680 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:06:23,680 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-20 06:06:23,680 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503314892] [2021-11-20 06:06:23,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:06:23,681 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-20 06:06:23,681 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:06:23,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-20 06:06:23,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-11-20 06:06:23,684 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 135 [2021-11-20 06:06:23,685 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 199 transitions, 1249 flow. Second operand has 8 states, 8 states have (on average 107.25) internal successors, (858), 8 states have internal predecessors, (858), 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) [2021-11-20 06:06:23,685 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:06:23,685 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 135 [2021-11-20 06:06:23,685 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:06:26,552 INFO L129 PetriNetUnfolder]: 5929/19571 cut-off events. [2021-11-20 06:06:26,552 INFO L130 PetriNetUnfolder]: For 44514/46048 co-relation queries the response was YES. [2021-11-20 06:06:26,744 INFO L84 FinitePrefix]: Finished finitePrefix Result has 61918 conditions, 19571 events. 5929/19571 cut-off events. For 44514/46048 co-relation queries the response was YES. Maximal size of possible extension queue 2503. Compared 281526 event pairs, 48 based on Foata normal form. 9/18352 useless extension candidates. Maximal degree in co-relation 61808. Up to 2283 conditions per place. [2021-11-20 06:06:26,756 INFO L132 encePairwiseOnDemand]: 121/135 looper letters, 23 selfloop transitions, 7 changer transitions 85/255 dead transitions. [2021-11-20 06:06:26,756 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 212 places, 255 transitions, 1945 flow [2021-11-20 06:06:26,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 06:06:26,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-11-20 06:06:26,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1005 transitions. [2021-11-20 06:06:26,761 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8271604938271605 [2021-11-20 06:06:26,761 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1005 transitions. [2021-11-20 06:06:26,761 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1005 transitions. [2021-11-20 06:06:26,762 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:06:26,762 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1005 transitions. [2021-11-20 06:06:26,765 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 111.66666666666667) internal successors, (1005), 9 states have internal predecessors, (1005), 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) [2021-11-20 06:06:26,768 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 135.0) internal successors, (1350), 10 states have internal predecessors, (1350), 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) [2021-11-20 06:06:26,769 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 135.0) internal successors, (1350), 10 states have internal predecessors, (1350), 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) [2021-11-20 06:06:26,770 INFO L186 Difference]: Start difference. First operand has 207 places, 199 transitions, 1249 flow. Second operand 9 states and 1005 transitions. [2021-11-20 06:06:26,770 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 212 places, 255 transitions, 1945 flow [2021-11-20 06:06:30,505 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 195 places, 255 transitions, 1757 flow, removed 49 selfloop flow, removed 17 redundant places. [2021-11-20 06:06:30,509 INFO L242 Difference]: Finished difference. Result has 200 places, 167 transitions, 812 flow [2021-11-20 06:06:30,509 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=135, PETRI_DIFFERENCE_MINUEND_FLOW=1115, PETRI_DIFFERENCE_MINUEND_PLACES=187, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=199, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=192, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=812, PETRI_PLACES=200, PETRI_TRANSITIONS=167} [2021-11-20 06:06:30,510 INFO L334 CegarLoopForPetriNet]: 142 programPoint places, 58 predicate places. [2021-11-20 06:06:30,510 INFO L470 AbstractCegarLoop]: Abstraction has has 200 places, 167 transitions, 812 flow [2021-11-20 06:06:30,511 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 107.25) internal successors, (858), 8 states have internal predecessors, (858), 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) [2021-11-20 06:06:30,511 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:06:30,511 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:06:30,512 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-20 06:06:30,512 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-20 06:06:30,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:06:30,512 INFO L85 PathProgramCache]: Analyzing trace with hash -1764503461, now seen corresponding path program 2 times [2021-11-20 06:06:30,513 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:06:30,513 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264728848] [2021-11-20 06:06:30,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:06:30,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:06:30,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:06:30,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:06:30,834 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:06:30,835 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264728848] [2021-11-20 06:06:30,835 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264728848] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:06:30,835 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:06:30,835 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-20 06:06:30,835 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985508769] [2021-11-20 06:06:30,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:06:30,836 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-20 06:06:30,836 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:06:30,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-20 06:06:30,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2021-11-20 06:06:30,838 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 135 [2021-11-20 06:06:30,840 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 200 places, 167 transitions, 812 flow. Second operand has 12 states, 12 states have (on average 108.0) internal successors, (1296), 12 states have internal predecessors, (1296), 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) [2021-11-20 06:06:30,840 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:06:30,841 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 135 [2021-11-20 06:06:30,841 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:06:31,281 INFO L129 PetriNetUnfolder]: 567/2340 cut-off events. [2021-11-20 06:06:31,281 INFO L130 PetriNetUnfolder]: For 3449/3489 co-relation queries the response was YES. [2021-11-20 06:06:31,304 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6331 conditions, 2340 events. 567/2340 cut-off events. For 3449/3489 co-relation queries the response was YES. Maximal size of possible extension queue 309. Compared 25017 event pairs, 7 based on Foata normal form. 1/2229 useless extension candidates. Maximal degree in co-relation 6293. Up to 306 conditions per place. [2021-11-20 06:06:31,306 INFO L132 encePairwiseOnDemand]: 123/135 looper letters, 17 selfloop transitions, 8 changer transitions 48/173 dead transitions. [2021-11-20 06:06:31,307 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 207 places, 173 transitions, 904 flow [2021-11-20 06:06:31,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-20 06:06:31,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-11-20 06:06:31,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1409 transitions. [2021-11-20 06:06:31,310 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8028490028490028 [2021-11-20 06:06:31,310 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1409 transitions. [2021-11-20 06:06:31,310 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1409 transitions. [2021-11-20 06:06:31,311 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:06:31,311 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1409 transitions. [2021-11-20 06:06:31,315 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 108.38461538461539) internal successors, (1409), 13 states have internal predecessors, (1409), 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) [2021-11-20 06:06:31,419 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 135.0) internal successors, (1890), 14 states have internal predecessors, (1890), 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) [2021-11-20 06:06:31,420 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 135.0) internal successors, (1890), 14 states have internal predecessors, (1890), 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) [2021-11-20 06:06:31,420 INFO L186 Difference]: Start difference. First operand has 200 places, 167 transitions, 812 flow. Second operand 13 states and 1409 transitions. [2021-11-20 06:06:31,420 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 207 places, 173 transitions, 904 flow [2021-11-20 06:06:31,510 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 188 places, 173 transitions, 816 flow, removed 21 selfloop flow, removed 19 redundant places. [2021-11-20 06:06:31,514 INFO L242 Difference]: Finished difference. Result has 193 places, 125 transitions, 450 flow [2021-11-20 06:06:31,514 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=135, PETRI_DIFFERENCE_MINUEND_FLOW=742, PETRI_DIFFERENCE_MINUEND_PLACES=176, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=167, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=159, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=450, PETRI_PLACES=193, PETRI_TRANSITIONS=125} [2021-11-20 06:06:31,517 INFO L334 CegarLoopForPetriNet]: 142 programPoint places, 51 predicate places. [2021-11-20 06:06:31,517 INFO L470 AbstractCegarLoop]: Abstraction has has 193 places, 125 transitions, 450 flow [2021-11-20 06:06:31,518 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 108.0) internal successors, (1296), 12 states have internal predecessors, (1296), 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) [2021-11-20 06:06:31,518 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:06:31,518 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:06:31,518 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-20 06:06:31,519 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-20 06:06:31,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:06:31,521 INFO L85 PathProgramCache]: Analyzing trace with hash 1625151383, now seen corresponding path program 3 times [2021-11-20 06:06:31,521 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:06:31,521 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382877107] [2021-11-20 06:06:31,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:06:31,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:06:31,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:06:31,596 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:06:31,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:06:31,767 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:06:31,768 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-20 06:06:31,769 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 7 remaining) [2021-11-20 06:06:31,771 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err0ASSERT_VIOLATIONERROR_FUNCTION (5 of 7 remaining) [2021-11-20 06:06:31,771 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 7 remaining) [2021-11-20 06:06:31,772 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (3 of 7 remaining) [2021-11-20 06:06:31,772 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION (2 of 7 remaining) [2021-11-20 06:06:31,772 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3INUSE_VIOLATION (1 of 7 remaining) [2021-11-20 06:06:31,772 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 7 remaining) [2021-11-20 06:06:31,773 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-20 06:06:31,777 INFO L732 BasicCegarLoop]: Path program histogram: [3, 3, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:06:31,783 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-20 06:06:31,783 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-20 06:06:32,077 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 06:06:32 BasicIcfg [2021-11-20 06:06:32,078 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-20 06:06:32,078 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 06:06:32,079 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 06:06:32,079 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 06:06:32,079 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:05:43" (3/4) ... [2021-11-20 06:06:32,081 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-20 06:06:32,323 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbed3fc-d4ea-4961-a7db-8aa699da2ab0/bin/uautomizer-DQz5hQGWxF/witness.graphml [2021-11-20 06:06:32,323 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 06:06:32,324 INFO L158 Benchmark]: Toolchain (without parser) took 50739.74ms. Allocated memory was 83.9MB in the beginning and 9.6GB in the end (delta: 9.6GB). Free memory was 47.8MB in the beginning and 8.2GB in the end (delta: -8.1GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2021-11-20 06:06:32,325 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 83.9MB. Free memory was 62.9MB in the beginning and 62.9MB in the end (delta: 27.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:06:32,325 INFO L158 Benchmark]: CACSL2BoogieTranslator took 749.39ms. Allocated memory was 83.9MB in the beginning and 104.9MB in the end (delta: 21.0MB). Free memory was 47.7MB in the beginning and 66.6MB in the end (delta: -19.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-20 06:06:32,326 INFO L158 Benchmark]: Boogie Procedure Inliner took 100.48ms. Allocated memory is still 104.9MB. Free memory was 66.6MB in the beginning and 63.7MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 06:06:32,326 INFO L158 Benchmark]: Boogie Preprocessor took 91.23ms. Allocated memory is still 104.9MB. Free memory was 63.7MB in the beginning and 61.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 06:06:32,327 INFO L158 Benchmark]: RCFGBuilder took 1463.87ms. Allocated memory is still 104.9MB. Free memory was 61.2MB in the beginning and 43.7MB in the end (delta: 17.5MB). Peak memory consumption was 32.3MB. Max. memory is 16.1GB. [2021-11-20 06:06:32,327 INFO L158 Benchmark]: TraceAbstraction took 48079.16ms. Allocated memory was 104.9MB in the beginning and 9.6GB in the end (delta: 9.5GB). Free memory was 43.5MB in the beginning and 8.2GB in the end (delta: -8.2GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2021-11-20 06:06:32,327 INFO L158 Benchmark]: Witness Printer took 244.85ms. Allocated memory is still 9.6GB. Free memory was 8.2GB in the beginning and 8.2GB in the end (delta: 55.6MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2021-11-20 06:06:32,333 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 83.9MB. Free memory was 62.9MB in the beginning and 62.9MB in the end (delta: 27.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 749.39ms. Allocated memory was 83.9MB in the beginning and 104.9MB in the end (delta: 21.0MB). Free memory was 47.7MB in the beginning and 66.6MB in the end (delta: -19.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 100.48ms. Allocated memory is still 104.9MB. Free memory was 66.6MB in the beginning and 63.7MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 91.23ms. Allocated memory is still 104.9MB. Free memory was 63.7MB in the beginning and 61.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1463.87ms. Allocated memory is still 104.9MB. Free memory was 61.2MB in the beginning and 43.7MB in the end (delta: 17.5MB). Peak memory consumption was 32.3MB. Max. memory is 16.1GB. * TraceAbstraction took 48079.16ms. Allocated memory was 104.9MB in the beginning and 9.6GB in the end (delta: 9.5GB). Free memory was 43.5MB in the beginning and 8.2GB in the end (delta: -8.2GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. * Witness Printer took 244.85ms. Allocated memory is still 9.6GB. Free memory was 8.2GB in the beginning and 8.2GB in the end (delta: 55.6MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0] [L712] 0 int __unbuffered_p0_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0] [L714] 0 int __unbuffered_p2_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0] [L716] 0 int __unbuffered_p3_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0] [L718] 0 int __unbuffered_p3_EBX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0] [L720] 0 int a = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0] [L721] 0 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0] [L722] 0 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0] [L724] 0 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L726] 0 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0] [L728] 0 int z = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0] [L729] 0 _Bool z$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0] [L730] 0 int z$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0] [L731] 0 _Bool z$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0] [L732] 0 _Bool z$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0] [L733] 0 _Bool z$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0] [L734] 0 _Bool z$r_buff0_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0] [L735] 0 _Bool z$r_buff0_thd4; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0] [L736] 0 _Bool z$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0] [L737] 0 _Bool z$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0] [L738] 0 _Bool z$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0] [L739] 0 _Bool z$r_buff1_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0] [L740] 0 _Bool z$r_buff1_thd4; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0] [L741] 0 _Bool z$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0] [L742] 0 int *z$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}] [L743] 0 int z$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0] [L744] 0 _Bool z$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0] [L745] 0 int z$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0] [L746] 0 _Bool z$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L747] 0 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L748] 0 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L864] 0 pthread_t t525; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, t525={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L865] FCALL, FORK 0 pthread_create(&t525, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t525, ((void *)0), P0, ((void *)0))=-3, t525={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L866] 0 pthread_t t526; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t525={5:0}, t526={6:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L867] FCALL, FORK 0 pthread_create(&t526, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t526, ((void *)0), P1, ((void *)0))=-2, t525={5:0}, t526={6:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L868] 0 pthread_t t527; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t525={5:0}, t526={6:0}, t527={7:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L869] FCALL, FORK 0 pthread_create(&t527, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t527, ((void *)0), P2, ((void *)0))=-1, t525={5:0}, t526={6:0}, t527={7:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L870] 0 pthread_t t528; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t525={5:0}, t526={6:0}, t527={7:0}, t528={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L871] FCALL, FORK 0 pthread_create(&t528, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t528, ((void *)0), P3, ((void *)0))=0, t525={5:0}, t526={6:0}, t527={7:0}, t528={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L810] 4 z$w_buff1 = z$w_buff0 [L811] 4 z$w_buff0 = 1 [L812] 4 z$w_buff1_used = z$w_buff0_used [L813] 4 z$w_buff0_used = (_Bool)1 [L814] CALL 4 __VERIFIER_assert(!(z$w_buff1_used && z$w_buff0_used)) [L18] COND FALSE 4 !(!expression) [L814] RET 4 __VERIFIER_assert(!(z$w_buff1_used && z$w_buff0_used)) [L815] 4 z$r_buff1_thd0 = z$r_buff0_thd0 [L816] 4 z$r_buff1_thd1 = z$r_buff0_thd1 [L817] 4 z$r_buff1_thd2 = z$r_buff0_thd2 [L818] 4 z$r_buff1_thd3 = z$r_buff0_thd3 [L819] 4 z$r_buff1_thd4 = z$r_buff0_thd4 [L820] 4 z$r_buff0_thd4 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L823] 4 weak$$choice0 = __VERIFIER_nondet_bool() [L824] 4 weak$$choice2 = __VERIFIER_nondet_bool() [L825] 4 z$flush_delayed = weak$$choice2 [L826] 4 z$mem_tmp = z [L827] EXPR 4 !z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff1) [L827] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff1 [L827] EXPR 4 !z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff1) [L827] 4 z = !z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff1) [L828] EXPR 4 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff0)) [L828] 4 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff0)) [L829] EXPR 4 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff1 : z$w_buff1)) [L829] 4 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff1 : z$w_buff1)) [L830] EXPR 4 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used)) [L830] 4 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used)) [L831] EXPR 4 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L831] 4 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L832] EXPR 4 weak$$choice2 ? z$r_buff0_thd4 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff0_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4)) [L832] 4 z$r_buff0_thd4 = weak$$choice2 ? z$r_buff0_thd4 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff0_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4)) [L833] EXPR 4 weak$$choice2 ? z$r_buff1_thd4 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff1_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L833] 4 z$r_buff1_thd4 = weak$$choice2 ? z$r_buff1_thd4 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff1_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L834] 4 __unbuffered_p3_EAX = z [L835] EXPR 4 z$flush_delayed ? z$mem_tmp : z [L835] 4 z = z$flush_delayed ? z$mem_tmp : z [L836] 4 z$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=255, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L839] 4 __unbuffered_p3_EBX = a VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=255, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L752] 1 a = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_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$$choice0=51, weak$$choice2=255, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L755] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_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$$choice0=51, weak$$choice2=255, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L767] 2 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=255, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L770] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=255, x=1, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L782] 3 y = 2 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=255, x=1, y=2, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L785] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L786] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L787] 3 z$flush_delayed = weak$$choice2 [L788] 3 z$mem_tmp = z [L789] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L789] 3 z = !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L790] EXPR 3 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L790] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0) [L790] EXPR 3 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L790] 3 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L791] EXPR 3 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L791] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1) [L791] EXPR 3 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L791] 3 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L792] EXPR 3 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L792] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used) [L792] EXPR 3 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L792] 3 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L793] EXPR 3 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L793] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L793] EXPR 3 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L793] 3 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L794] EXPR 3 weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L794] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3) [L794] EXPR 3 weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L794] 3 z$r_buff0_thd3 = weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L795] EXPR 3 weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L795] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L795] EXPR 3 weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L795] 3 z$r_buff1_thd3 = weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L796] 3 __unbuffered_p2_EAX = z [L797] EXPR 3 z$flush_delayed ? z$mem_tmp : z [L797] 3 z = z$flush_delayed ? z$mem_tmp : z [L798] 3 z$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=2, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L842] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L842] 4 z = z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L843] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L843] 4 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L844] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L844] 4 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L845] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L845] 4 z$r_buff0_thd4 = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L846] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L846] 4 z$r_buff1_thd4 = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L849] 4 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L760] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L775] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L803] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L873] 0 main$tmp_guard0 = __unbuffered_cnt == 4 VAL [__unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t525={5:0}, t526={6:0}, t527={7:0}, t528={3:0}, weak$$choice0=49, weak$$choice2=0, x=1, y=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L875] CALL 0 assume_abort_if_not(main$tmp_guard0) [L3] COND FALSE 0 !(!cond) VAL [\old(cond)=1, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, cond=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L875] RET 0 assume_abort_if_not(main$tmp_guard0) [L877] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L877] EXPR 0 z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z [L877] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L877] 0 z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L878] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L878] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L879] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L879] 0 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L880] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L880] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L881] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L881] 0 z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L884] 0 main$tmp_guard1 = !(y == 2 && __unbuffered_p0_EAX == 0 && __unbuffered_p2_EAX == 0 && __unbuffered_p3_EAX == 1 && __unbuffered_p3_EBX == 0) VAL [__unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t525={5:0}, t526={6:0}, t527={7:0}, t528={3:0}, weak$$choice0=49, weak$$choice2=0, x=1, y=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L886] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L18] COND TRUE 0 !expression VAL [\old(expression)=1, \old(expression)=0, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, expression=1, expression=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L18] 0 reach_error() VAL [\old(expression)=1, \old(expression)=0, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, expression=1, expression=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] - UnprovableResult [Line: 18]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 871]: 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: 865]: 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: 869]: 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: 867]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 169 locations, 7 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 47.6s, OverallIterations: 13, TraceHistogramMax: 1, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 44.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 810 SdHoareTripleChecker+Valid, 2.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 810 mSDsluCounter, 710 SdHoareTripleChecker+Invalid, 2.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1332 mSDsCounter, 191 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1671 IncrementalHoareTripleChecker+Invalid, 1862 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 191 mSolverCounterUnsat, 151 mSDtfsCounter, 1671 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 165 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 275 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1249occurred in iteration=10, InterpolantAutomatonStates: 133, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 1231 NumberOfCodeBlocks, 1231 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1115 ConstructedInterpolants, 0 QuantifiedInterpolants, 5299 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 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! [2021-11-20 06:06:32,399 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbed3fc-d4ea-4961-a7db-8aa699da2ab0/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE