./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/stack_longer-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e755ed34-f1d5-4d87-9a85-91c368d4bce7/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e755ed34-f1d5-4d87-9a85-91c368d4bce7/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e755ed34-f1d5-4d87-9a85-91c368d4bce7/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e755ed34-f1d5-4d87-9a85-91c368d4bce7/bin/uautomizer-YU5uOKAj3y/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread/stack_longer-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e755ed34-f1d5-4d87-9a85-91c368d4bce7/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e755ed34-f1d5-4d87-9a85-91c368d4bce7/bin/uautomizer-YU5uOKAj3y --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 4351dece6a672e511bbcb86915e62fc8a7361763ad7ab88f2e640b2d00ea50a7 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 18:39:44,410 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 18:39:44,413 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 18:39:44,454 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 18:39:44,455 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 18:39:44,458 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 18:39:44,461 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 18:39:44,465 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 18:39:44,468 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 18:39:44,473 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 18:39:44,474 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 18:39:44,476 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 18:39:44,476 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 18:39:44,479 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 18:39:44,482 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 18:39:44,484 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 18:39:44,485 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 18:39:44,486 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 18:39:44,487 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 18:39:44,490 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 18:39:44,491 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 18:39:44,493 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 18:39:44,497 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 18:39:44,498 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 18:39:44,507 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 18:39:44,512 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 18:39:44,513 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 18:39:44,514 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 18:39:44,515 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 18:39:44,516 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 18:39:44,517 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 18:39:44,518 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 18:39:44,520 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 18:39:44,521 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 18:39:44,522 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 18:39:44,523 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 18:39:44,524 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 18:39:44,524 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 18:39:44,524 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 18:39:44,525 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 18:39:44,526 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 18:39:44,526 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e755ed34-f1d5-4d87-9a85-91c368d4bce7/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-13 18:39:44,561 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 18:39:44,564 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 18:39:44,565 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 18:39:44,566 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 18:39:44,573 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 18:39:44,573 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 18:39:44,574 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 18:39:44,574 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 18:39:44,574 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 18:39:44,575 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 18:39:44,576 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 18:39:44,576 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 18:39:44,576 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 18:39:44,576 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 18:39:44,577 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 18:39:44,577 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 18:39:44,577 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 18:39:44,577 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 18:39:44,577 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 18:39:44,578 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 18:39:44,578 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 18:39:44,578 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 18:39:44,578 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 18:39:44,578 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 18:39:44,579 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 18:39:44,579 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 18:39:44,579 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 18:39:44,579 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 18:39:44,580 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-13 18:39:44,580 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 18:39:44,580 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-13 18:39:44,580 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-13 18:39:44,581 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 18:39:44,581 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 18:39:44,581 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_e755ed34-f1d5-4d87-9a85-91c368d4bce7/bin/uautomizer-YU5uOKAj3y/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e755ed34-f1d5-4d87-9a85-91c368d4bce7/bin/uautomizer-YU5uOKAj3y Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4351dece6a672e511bbcb86915e62fc8a7361763ad7ab88f2e640b2d00ea50a7 [2021-11-13 18:39:44,857 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 18:39:44,882 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 18:39:44,885 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 18:39:44,887 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 18:39:44,887 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 18:39:44,889 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e755ed34-f1d5-4d87-9a85-91c368d4bce7/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/pthread/stack_longer-1.i [2021-11-13 18:39:44,972 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e755ed34-f1d5-4d87-9a85-91c368d4bce7/bin/uautomizer-YU5uOKAj3y/data/ae24d5c73/6f5e97a3a1354c30a81533b8f5c62ef9/FLAG6b0759209 [2021-11-13 18:39:45,541 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 18:39:45,542 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e755ed34-f1d5-4d87-9a85-91c368d4bce7/sv-benchmarks/c/pthread/stack_longer-1.i [2021-11-13 18:39:45,581 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e755ed34-f1d5-4d87-9a85-91c368d4bce7/bin/uautomizer-YU5uOKAj3y/data/ae24d5c73/6f5e97a3a1354c30a81533b8f5c62ef9/FLAG6b0759209 [2021-11-13 18:39:45,802 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e755ed34-f1d5-4d87-9a85-91c368d4bce7/bin/uautomizer-YU5uOKAj3y/data/ae24d5c73/6f5e97a3a1354c30a81533b8f5c62ef9 [2021-11-13 18:39:45,805 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 18:39:45,806 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 18:39:45,808 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 18:39:45,808 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 18:39:45,811 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 18:39:45,812 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:39:45" (1/1) ... [2021-11-13 18:39:45,813 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18c06338 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:39:45, skipping insertion in model container [2021-11-13 18:39:45,814 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:39:45" (1/1) ... [2021-11-13 18:39:45,821 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 18:39:45,873 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 18:39:46,359 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e755ed34-f1d5-4d87-9a85-91c368d4bce7/sv-benchmarks/c/pthread/stack_longer-1.i[41527,41540] [2021-11-13 18:39:46,382 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:39:46,393 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 18:39:46,433 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e755ed34-f1d5-4d87-9a85-91c368d4bce7/sv-benchmarks/c/pthread/stack_longer-1.i[41527,41540] [2021-11-13 18:39:46,444 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:39:46,509 INFO L208 MainTranslator]: Completed translation [2021-11-13 18:39:46,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:39:46 WrapperNode [2021-11-13 18:39:46,510 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 18:39:46,511 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 18:39:46,511 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 18:39:46,511 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 18:39:46,519 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:39:46" (1/1) ... [2021-11-13 18:39:46,539 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:39:46" (1/1) ... [2021-11-13 18:39:46,567 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 18:39:46,568 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 18:39:46,568 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 18:39:46,568 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 18:39:46,576 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:39:46" (1/1) ... [2021-11-13 18:39:46,577 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:39:46" (1/1) ... [2021-11-13 18:39:46,581 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:39:46" (1/1) ... [2021-11-13 18:39:46,582 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:39:46" (1/1) ... [2021-11-13 18:39:46,590 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:39:46" (1/1) ... [2021-11-13 18:39:46,594 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:39:46" (1/1) ... [2021-11-13 18:39:46,597 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:39:46" (1/1) ... [2021-11-13 18:39:46,601 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 18:39:46,602 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 18:39:46,602 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 18:39:46,603 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 18:39:46,604 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:39:46" (1/1) ... [2021-11-13 18:39:46,612 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 18:39:46,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e755ed34-f1d5-4d87-9a85-91c368d4bce7/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:39:46,645 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e755ed34-f1d5-4d87-9a85-91c368d4bce7/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 18:39:46,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e755ed34-f1d5-4d87-9a85-91c368d4bce7/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 18:39:46,688 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-11-13 18:39:46,688 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-11-13 18:39:46,689 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-11-13 18:39:46,689 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-11-13 18:39:46,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 18:39:46,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 18:39:46,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 18:39:46,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 18:39:46,689 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-13 18:39:46,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 18:39:46,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 18:39:46,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 18:39:46,691 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-13 18:39:47,099 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 18:39:47,100 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-13 18:39:47,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:39:47 BoogieIcfgContainer [2021-11-13 18:39:47,102 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 18:39:47,104 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 18:39:47,104 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 18:39:47,119 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 18:39:47,119 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 06:39:45" (1/3) ... [2021-11-13 18:39:47,120 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f5d4c66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:39:47, skipping insertion in model container [2021-11-13 18:39:47,120 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:39:46" (2/3) ... [2021-11-13 18:39:47,121 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f5d4c66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:39:47, skipping insertion in model container [2021-11-13 18:39:47,121 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:39:47" (3/3) ... [2021-11-13 18:39:47,122 INFO L111 eAbstractionObserver]: Analyzing ICFG stack_longer-1.i [2021-11-13 18:39:47,126 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-13 18:39:47,127 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 18:39:47,127 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-13 18:39:47,127 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-13 18:39:47,237 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,237 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,237 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,238 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,238 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,238 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,238 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,239 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,239 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,239 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,239 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,245 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,245 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,246 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,247 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,247 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,247 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,248 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,249 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,249 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,249 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,249 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,250 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,251 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,251 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,251 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,252 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,252 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,253 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,253 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,254 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,254 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,254 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,255 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,255 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,255 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,255 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,255 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,256 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,256 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,256 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,256 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,257 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,257 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,257 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,258 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,258 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,258 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,259 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,259 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,259 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,259 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,260 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,260 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,261 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,261 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,261 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,262 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,262 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,262 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,262 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,262 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,263 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,263 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,263 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,263 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,264 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,267 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,268 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,268 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,268 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,269 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,269 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,269 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,270 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,270 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,270 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,271 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,271 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,271 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,272 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,272 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,272 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,272 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,273 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,273 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,274 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,276 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,277 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,277 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,277 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,277 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,278 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,278 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,279 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,279 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,282 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,282 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,283 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,284 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,284 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,285 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,285 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,285 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,286 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,286 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,286 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,287 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,287 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,287 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,287 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,288 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,288 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,288 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,288 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,288 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,289 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,289 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,289 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,289 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,290 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,290 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,290 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,291 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,291 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,291 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,291 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,291 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,293 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,293 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,293 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,294 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,295 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,295 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,295 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,295 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,299 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,299 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,300 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,300 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,300 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,300 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,300 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,301 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,301 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,301 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,301 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,301 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,302 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,302 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,302 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,302 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,302 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,303 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,303 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,303 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,304 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,305 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,305 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,305 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,308 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,308 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,308 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,308 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,309 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,309 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,309 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,309 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,310 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,310 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,311 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,311 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,311 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,312 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,312 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,312 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,312 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,312 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,313 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,313 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,313 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,313 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,313 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,314 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,314 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,314 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,314 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,314 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,315 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,315 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,315 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,315 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,316 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,316 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,317 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,317 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,318 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,318 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,318 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,318 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,318 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,319 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,319 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,319 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,319 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,319 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,320 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,320 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,320 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,320 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,320 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,321 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,321 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,322 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,324 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,326 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,326 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,326 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,327 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,327 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,334 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,335 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,335 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,335 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,339 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,339 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,340 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,340 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,340 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,340 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,340 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,341 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,341 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,341 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,341 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,342 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,342 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,342 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,342 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,343 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,343 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,343 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,343 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,344 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,344 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,344 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,344 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,344 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,344 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,345 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,345 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,345 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,345 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,346 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,346 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,346 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,348 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,348 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,348 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,348 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,349 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,349 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,349 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,349 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,349 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,349 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,355 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,356 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,356 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~mem43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,356 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,356 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,356 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,357 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,357 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dec_top_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,357 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,357 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,357 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,358 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,358 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,358 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,358 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,358 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,359 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,359 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,359 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_pop_#t~ret39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,369 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,369 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,370 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,370 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,370 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,370 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,370 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,371 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,371 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,372 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,372 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_get_top_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,372 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,372 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,373 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_#t~ret38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,373 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,373 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,373 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,373 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,374 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_~stack#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,374 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_push_~stack#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,374 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_inc_top_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,374 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,374 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:39:47,381 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-11-13 18:39:47,431 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 18:39:47,438 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 [2021-11-13 18:39:47,444 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-13 18:39:47,461 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 176 places, 179 transitions, 374 flow [2021-11-13 18:39:47,540 INFO L129 PetriNetUnfolder]: 10/177 cut-off events. [2021-11-13 18:39:47,540 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-11-13 18:39:47,556 INFO L84 FinitePrefix]: Finished finitePrefix Result has 186 conditions, 177 events. 10/177 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 431 event pairs, 0 based on Foata normal form. 0/165 useless extension candidates. Maximal degree in co-relation 135. Up to 3 conditions per place. [2021-11-13 18:39:47,557 INFO L82 GeneralOperation]: Start removeDead. Operand has 176 places, 179 transitions, 374 flow [2021-11-13 18:39:47,563 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 164 places, 167 transitions, 343 flow [2021-11-13 18:39:47,629 INFO L129 PetriNetUnfolder]: 4/133 cut-off events. [2021-11-13 18:39:47,629 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-11-13 18:39:47,629 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 18:39:47,630 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] [2021-11-13 18:39:47,630 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-13 18:39:47,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:39:47,644 INFO L85 PathProgramCache]: Analyzing trace with hash -314781520, now seen corresponding path program 1 times [2021-11-13 18:39:47,654 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:39:47,655 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642300761] [2021-11-13 18:39:47,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:39:47,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:39:47,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:39:48,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:39:48,052 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:39:48,052 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642300761] [2021-11-13 18:39:48,053 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642300761] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:39:48,053 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:39:48,053 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-13 18:39:48,055 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190885954] [2021-11-13 18:39:48,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:39:48,064 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 18:39:48,065 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:39:48,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 18:39:48,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 18:39:48,100 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 158 out of 179 [2021-11-13 18:39:48,107 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 164 places, 167 transitions, 343 flow. Second operand has 3 states, 3 states have (on average 159.0) internal successors, (477), 3 states have internal predecessors, (477), 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) [2021-11-13 18:39:48,108 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 18:39:48,108 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 158 of 179 [2021-11-13 18:39:48,109 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 18:39:48,376 INFO L129 PetriNetUnfolder]: 91/890 cut-off events. [2021-11-13 18:39:48,376 INFO L130 PetriNetUnfolder]: For 46/46 co-relation queries the response was YES. [2021-11-13 18:39:48,383 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1052 conditions, 890 events. 91/890 cut-off events. For 46/46 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 5303 event pairs, 15 based on Foata normal form. 61/878 useless extension candidates. Maximal degree in co-relation 903. Up to 96 conditions per place. [2021-11-13 18:39:48,388 INFO L132 encePairwiseOnDemand]: 170/179 looper letters, 19 selfloop transitions, 3 changer transitions 0/167 dead transitions. [2021-11-13 18:39:48,389 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 167 transitions, 393 flow [2021-11-13 18:39:48,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 18:39:48,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-13 18:39:48,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 506 transitions. [2021-11-13 18:39:48,406 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9422718808193669 [2021-11-13 18:39:48,407 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 506 transitions. [2021-11-13 18:39:48,407 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 506 transitions. [2021-11-13 18:39:48,410 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 18:39:48,412 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 506 transitions. [2021-11-13 18:39:48,417 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 168.66666666666666) internal successors, (506), 3 states have internal predecessors, (506), 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) [2021-11-13 18:39:48,424 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 179.0) internal successors, (716), 4 states have internal predecessors, (716), 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) [2021-11-13 18:39:48,425 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 179.0) internal successors, (716), 4 states have internal predecessors, (716), 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) [2021-11-13 18:39:48,427 INFO L186 Difference]: Start difference. First operand has 164 places, 167 transitions, 343 flow. Second operand 3 states and 506 transitions. [2021-11-13 18:39:48,428 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 167 transitions, 393 flow [2021-11-13 18:39:48,433 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 159 places, 167 transitions, 385 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-11-13 18:39:48,439 INFO L242 Difference]: Finished difference. Result has 160 places, 160 transitions, 339 flow [2021-11-13 18:39:48,441 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=320, PETRI_DIFFERENCE_MINUEND_PLACES=157, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=155, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=339, PETRI_PLACES=160, PETRI_TRANSITIONS=160} [2021-11-13 18:39:48,445 INFO L334 CegarLoopForPetriNet]: 164 programPoint places, -4 predicate places. [2021-11-13 18:39:48,446 INFO L470 AbstractCegarLoop]: Abstraction has has 160 places, 160 transitions, 339 flow [2021-11-13 18:39:48,446 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 159.0) internal successors, (477), 3 states have internal predecessors, (477), 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) [2021-11-13 18:39:48,446 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 18:39:48,447 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:39:48,447 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-13 18:39:48,447 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-13 18:39:48,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:39:48,448 INFO L85 PathProgramCache]: Analyzing trace with hash 681215499, now seen corresponding path program 1 times [2021-11-13 18:39:48,449 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:39:48,449 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062479717] [2021-11-13 18:39:48,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:39:48,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:39:48,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:39:48,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:39:48,598 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:39:48,598 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062479717] [2021-11-13 18:39:48,599 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062479717] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:39:48,599 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:39:48,599 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-13 18:39:48,599 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419159843] [2021-11-13 18:39:48,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:39:48,601 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 18:39:48,601 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:39:48,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 18:39:48,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 18:39:48,605 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 179 [2021-11-13 18:39:48,606 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 160 transitions, 339 flow. Second operand has 3 states, 3 states have (on average 165.33333333333334) internal successors, (496), 3 states have internal predecessors, (496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:39:48,606 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 18:39:48,606 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 179 [2021-11-13 18:39:48,606 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 18:39:48,691 INFO L129 PetriNetUnfolder]: 21/419 cut-off events. [2021-11-13 18:39:48,692 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-11-13 18:39:48,694 INFO L84 FinitePrefix]: Finished finitePrefix Result has 465 conditions, 419 events. 21/419 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1378 event pairs, 4 based on Foata normal form. 0/393 useless extension candidates. Maximal degree in co-relation 376. Up to 16 conditions per place. [2021-11-13 18:39:48,697 INFO L132 encePairwiseOnDemand]: 176/179 looper letters, 9 selfloop transitions, 2 changer transitions 0/163 dead transitions. [2021-11-13 18:39:48,697 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 163 transitions, 367 flow [2021-11-13 18:39:48,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 18:39:48,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-13 18:39:48,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 504 transitions. [2021-11-13 18:39:48,700 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9385474860335196 [2021-11-13 18:39:48,700 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 504 transitions. [2021-11-13 18:39:48,701 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 504 transitions. [2021-11-13 18:39:48,701 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 18:39:48,701 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 504 transitions. [2021-11-13 18:39:48,703 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 168.0) internal successors, (504), 3 states have internal predecessors, (504), 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) [2021-11-13 18:39:48,706 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 179.0) internal successors, (716), 4 states have internal predecessors, (716), 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) [2021-11-13 18:39:48,707 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 179.0) internal successors, (716), 4 states have internal predecessors, (716), 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) [2021-11-13 18:39:48,707 INFO L186 Difference]: Start difference. First operand has 160 places, 160 transitions, 339 flow. Second operand 3 states and 504 transitions. [2021-11-13 18:39:48,707 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 163 transitions, 367 flow [2021-11-13 18:39:48,710 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 161 places, 163 transitions, 365 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-11-13 18:39:48,714 INFO L242 Difference]: Finished difference. Result has 162 places, 160 transitions, 344 flow [2021-11-13 18:39:48,714 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=332, PETRI_DIFFERENCE_MINUEND_PLACES=159, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=159, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=157, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=344, PETRI_PLACES=162, PETRI_TRANSITIONS=160} [2021-11-13 18:39:48,715 INFO L334 CegarLoopForPetriNet]: 164 programPoint places, -2 predicate places. [2021-11-13 18:39:48,716 INFO L470 AbstractCegarLoop]: Abstraction has has 162 places, 160 transitions, 344 flow [2021-11-13 18:39:48,716 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 165.33333333333334) internal successors, (496), 3 states have internal predecessors, (496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:39:48,717 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 18:39:48,717 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:39:48,717 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-13 18:39:48,717 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-13 18:39:48,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:39:48,718 INFO L85 PathProgramCache]: Analyzing trace with hash 2006144842, now seen corresponding path program 1 times [2021-11-13 18:39:48,719 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:39:48,719 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465153923] [2021-11-13 18:39:48,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:39:48,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:39:48,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:39:48,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:39:48,793 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:39:48,793 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465153923] [2021-11-13 18:39:48,793 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465153923] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:39:48,794 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:39:48,794 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-13 18:39:48,794 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824096764] [2021-11-13 18:39:48,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:39:48,795 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 18:39:48,795 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:39:48,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 18:39:48,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-13 18:39:48,798 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 179 [2021-11-13 18:39:48,799 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 160 transitions, 344 flow. Second operand has 4 states, 4 states have (on average 160.75) internal successors, (643), 4 states have internal predecessors, (643), 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) [2021-11-13 18:39:48,800 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 18:39:48,800 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 179 [2021-11-13 18:39:48,800 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 18:39:48,923 INFO L129 PetriNetUnfolder]: 41/516 cut-off events. [2021-11-13 18:39:48,923 INFO L130 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2021-11-13 18:39:48,927 INFO L84 FinitePrefix]: Finished finitePrefix Result has 662 conditions, 516 events. 41/516 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 2046 event pairs, 13 based on Foata normal form. 0/485 useless extension candidates. Maximal degree in co-relation 403. Up to 37 conditions per place. [2021-11-13 18:39:48,929 INFO L132 encePairwiseOnDemand]: 174/179 looper letters, 16 selfloop transitions, 4 changer transitions 0/168 dead transitions. [2021-11-13 18:39:48,930 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 168 transitions, 405 flow [2021-11-13 18:39:48,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 18:39:48,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-11-13 18:39:48,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 657 transitions. [2021-11-13 18:39:48,933 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9175977653631285 [2021-11-13 18:39:48,933 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 657 transitions. [2021-11-13 18:39:48,933 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 657 transitions. [2021-11-13 18:39:48,934 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 18:39:48,934 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 657 transitions. [2021-11-13 18:39:48,936 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 164.25) internal successors, (657), 4 states have internal predecessors, (657), 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) [2021-11-13 18:39:48,938 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 179.0) internal successors, (895), 5 states have internal predecessors, (895), 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) [2021-11-13 18:39:48,939 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 179.0) internal successors, (895), 5 states have internal predecessors, (895), 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) [2021-11-13 18:39:48,939 INFO L186 Difference]: Start difference. First operand has 162 places, 160 transitions, 344 flow. Second operand 4 states and 657 transitions. [2021-11-13 18:39:48,940 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 168 transitions, 405 flow [2021-11-13 18:39:48,942 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 164 places, 168 transitions, 403 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-11-13 18:39:48,945 INFO L242 Difference]: Finished difference. Result has 166 places, 163 transitions, 370 flow [2021-11-13 18:39:48,945 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=342, PETRI_DIFFERENCE_MINUEND_PLACES=161, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=160, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=156, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=370, PETRI_PLACES=166, PETRI_TRANSITIONS=163} [2021-11-13 18:39:48,946 INFO L334 CegarLoopForPetriNet]: 164 programPoint places, 2 predicate places. [2021-11-13 18:39:48,947 INFO L470 AbstractCegarLoop]: Abstraction has has 166 places, 163 transitions, 370 flow [2021-11-13 18:39:48,947 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 160.75) internal successors, (643), 4 states have internal predecessors, (643), 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) [2021-11-13 18:39:48,948 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 18:39:48,948 INFO L254 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:39:48,948 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-13 18:39:48,949 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-13 18:39:48,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:39:48,949 INFO L85 PathProgramCache]: Analyzing trace with hash -1624641200, now seen corresponding path program 1 times [2021-11-13 18:39:48,950 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:39:48,950 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538611281] [2021-11-13 18:39:48,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:39:48,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:39:48,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:39:49,062 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:39:49,063 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:39:49,063 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538611281] [2021-11-13 18:39:49,063 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1538611281] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 18:39:49,063 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [843834300] [2021-11-13 18:39:49,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:39:49,064 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 18:39:49,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e755ed34-f1d5-4d87-9a85-91c368d4bce7/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:39:49,066 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e755ed34-f1d5-4d87-9a85-91c368d4bce7/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 18:39:49,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e755ed34-f1d5-4d87-9a85-91c368d4bce7/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-13 18:39:49,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:39:49,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 18:39:49,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:39:49,653 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:39:49,653 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 18:39:49,934 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:39:49,935 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [843834300] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 18:39:49,935 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 18:39:49,936 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2021-11-13 18:39:49,936 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611158992] [2021-11-13 18:39:49,936 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 18:39:49,939 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-13 18:39:49,939 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:39:49,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-13 18:39:49,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-11-13 18:39:49,944 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 179 [2021-11-13 18:39:49,946 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 166 places, 163 transitions, 370 flow. Second operand has 10 states, 10 states have (on average 158.5) internal successors, (1585), 10 states have internal predecessors, (1585), 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) [2021-11-13 18:39:49,946 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 18:39:49,947 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 179 [2021-11-13 18:39:49,947 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 18:39:50,429 INFO L129 PetriNetUnfolder]: 177/1703 cut-off events. [2021-11-13 18:39:50,429 INFO L130 PetriNetUnfolder]: For 83/83 co-relation queries the response was YES. [2021-11-13 18:39:50,458 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2264 conditions, 1703 events. 177/1703 cut-off events. For 83/83 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 11080 event pairs, 28 based on Foata normal form. 9/1617 useless extension candidates. Maximal degree in co-relation 1786. Up to 135 conditions per place. [2021-11-13 18:39:50,469 INFO L132 encePairwiseOnDemand]: 173/179 looper letters, 48 selfloop transitions, 14 changer transitions 0/209 dead transitions. [2021-11-13 18:39:50,470 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 175 places, 209 transitions, 619 flow [2021-11-13 18:39:50,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-13 18:39:50,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-11-13 18:39:50,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1624 transitions. [2021-11-13 18:39:50,475 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9072625698324023 [2021-11-13 18:39:50,475 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1624 transitions. [2021-11-13 18:39:50,476 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1624 transitions. [2021-11-13 18:39:50,477 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 18:39:50,477 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1624 transitions. [2021-11-13 18:39:50,483 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 162.4) internal successors, (1624), 10 states have internal predecessors, (1624), 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) [2021-11-13 18:39:50,488 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 179.0) internal successors, (1969), 11 states have internal predecessors, (1969), 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) [2021-11-13 18:39:50,490 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 179.0) internal successors, (1969), 11 states have internal predecessors, (1969), 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) [2021-11-13 18:39:50,490 INFO L186 Difference]: Start difference. First operand has 166 places, 163 transitions, 370 flow. Second operand 10 states and 1624 transitions. [2021-11-13 18:39:50,490 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 175 places, 209 transitions, 619 flow [2021-11-13 18:39:50,494 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 174 places, 209 transitions, 617 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-11-13 18:39:50,498 INFO L242 Difference]: Finished difference. Result has 177 places, 176 transitions, 462 flow [2021-11-13 18:39:50,498 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=368, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=157, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=462, PETRI_PLACES=177, PETRI_TRANSITIONS=176} [2021-11-13 18:39:50,500 INFO L334 CegarLoopForPetriNet]: 164 programPoint places, 13 predicate places. [2021-11-13 18:39:50,500 INFO L470 AbstractCegarLoop]: Abstraction has has 177 places, 176 transitions, 462 flow [2021-11-13 18:39:50,502 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 158.5) internal successors, (1585), 10 states have internal predecessors, (1585), 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) [2021-11-13 18:39:50,502 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 18:39:50,502 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, 1, 1, 1, 1, 1] [2021-11-13 18:39:50,545 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e755ed34-f1d5-4d87-9a85-91c368d4bce7/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-13 18:39:50,729 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e755ed34-f1d5-4d87-9a85-91c368d4bce7/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 18:39:50,729 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-13 18:39:50,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:39:50,730 INFO L85 PathProgramCache]: Analyzing trace with hash 1319995280, now seen corresponding path program 1 times [2021-11-13 18:39:50,730 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:39:50,730 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760109747] [2021-11-13 18:39:50,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:39:50,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:39:50,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:39:50,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:39:50,819 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:39:50,819 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760109747] [2021-11-13 18:39:50,820 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [760109747] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:39:50,820 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:39:50,820 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-13 18:39:50,820 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303695204] [2021-11-13 18:39:50,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:39:50,821 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 18:39:50,821 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:39:50,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 18:39:50,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 18:39:50,822 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 157 out of 179 [2021-11-13 18:39:50,823 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 177 places, 176 transitions, 462 flow. Second operand has 3 states, 3 states have (on average 160.66666666666666) internal successors, (482), 3 states have internal predecessors, (482), 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) [2021-11-13 18:39:50,823 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 18:39:50,823 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 157 of 179 [2021-11-13 18:39:50,823 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 18:39:51,010 INFO L129 PetriNetUnfolder]: 50/1065 cut-off events. [2021-11-13 18:39:51,010 INFO L130 PetriNetUnfolder]: For 56/56 co-relation queries the response was YES. [2021-11-13 18:39:51,015 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1361 conditions, 1065 events. 50/1065 cut-off events. For 56/56 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 4608 event pairs, 10 based on Foata normal form. 12/1031 useless extension candidates. Maximal degree in co-relation 998. Up to 46 conditions per place. [2021-11-13 18:39:51,019 INFO L132 encePairwiseOnDemand]: 175/179 looper letters, 12 selfloop transitions, 4 changer transitions 0/173 dead transitions. [2021-11-13 18:39:51,019 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 178 places, 173 transitions, 473 flow [2021-11-13 18:39:51,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 18:39:51,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-13 18:39:51,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 489 transitions. [2021-11-13 18:39:51,022 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9106145251396648 [2021-11-13 18:39:51,022 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 489 transitions. [2021-11-13 18:39:51,022 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 489 transitions. [2021-11-13 18:39:51,022 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 18:39:51,023 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 489 transitions. [2021-11-13 18:39:51,024 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 163.0) internal successors, (489), 3 states have internal predecessors, (489), 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) [2021-11-13 18:39:51,026 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 179.0) internal successors, (716), 4 states have internal predecessors, (716), 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) [2021-11-13 18:39:51,026 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 179.0) internal successors, (716), 4 states have internal predecessors, (716), 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) [2021-11-13 18:39:51,027 INFO L186 Difference]: Start difference. First operand has 177 places, 176 transitions, 462 flow. Second operand 3 states and 489 transitions. [2021-11-13 18:39:51,027 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 178 places, 173 transitions, 473 flow [2021-11-13 18:39:51,058 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 177 places, 173 transitions, 461 flow, removed 5 selfloop flow, removed 1 redundant places. [2021-11-13 18:39:51,062 INFO L242 Difference]: Finished difference. Result has 177 places, 171 transitions, 430 flow [2021-11-13 18:39:51,062 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=422, PETRI_DIFFERENCE_MINUEND_PLACES=175, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=171, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=167, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=430, PETRI_PLACES=177, PETRI_TRANSITIONS=171} [2021-11-13 18:39:51,065 INFO L334 CegarLoopForPetriNet]: 164 programPoint places, 13 predicate places. [2021-11-13 18:39:51,065 INFO L470 AbstractCegarLoop]: Abstraction has has 177 places, 171 transitions, 430 flow [2021-11-13 18:39:51,066 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 160.66666666666666) internal successors, (482), 3 states have internal predecessors, (482), 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) [2021-11-13 18:39:51,066 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 18:39:51,066 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, 1, 1, 1, 1, 1, 1] [2021-11-13 18:39:51,066 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-13 18:39:51,067 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-13 18:39:51,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:39:51,068 INFO L85 PathProgramCache]: Analyzing trace with hash 1348394473, now seen corresponding path program 1 times [2021-11-13 18:39:51,068 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:39:51,069 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207916902] [2021-11-13 18:39:51,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:39:51,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:39:51,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:39:51,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:39:51,238 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:39:51,239 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207916902] [2021-11-13 18:39:51,239 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [207916902] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:39:51,239 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:39:51,239 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-13 18:39:51,240 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801923974] [2021-11-13 18:39:51,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:39:51,240 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-13 18:39:51,241 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:39:51,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-13 18:39:51,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-13 18:39:51,244 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 179 [2021-11-13 18:39:51,246 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 177 places, 171 transitions, 430 flow. Second operand has 7 states, 7 states have (on average 148.28571428571428) internal successors, (1038), 7 states have internal predecessors, (1038), 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) [2021-11-13 18:39:51,246 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 18:39:51,246 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 179 [2021-11-13 18:39:51,246 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 18:39:51,603 INFO L129 PetriNetUnfolder]: 116/1219 cut-off events. [2021-11-13 18:39:51,604 INFO L130 PetriNetUnfolder]: For 131/131 co-relation queries the response was YES. [2021-11-13 18:39:51,608 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1823 conditions, 1219 events. 116/1219 cut-off events. For 131/131 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 6012 event pairs, 19 based on Foata normal form. 0/1167 useless extension candidates. Maximal degree in co-relation 1103. Up to 178 conditions per place. [2021-11-13 18:39:51,613 INFO L132 encePairwiseOnDemand]: 168/179 looper letters, 49 selfloop transitions, 13 changer transitions 0/199 dead transitions. [2021-11-13 18:39:51,614 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 185 places, 199 transitions, 639 flow [2021-11-13 18:39:51,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 18:39:51,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-11-13 18:39:51,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1371 transitions. [2021-11-13 18:39:51,620 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.851024208566108 [2021-11-13 18:39:51,620 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1371 transitions. [2021-11-13 18:39:51,620 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1371 transitions. [2021-11-13 18:39:51,622 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 18:39:51,622 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1371 transitions. [2021-11-13 18:39:51,626 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 152.33333333333334) internal successors, (1371), 9 states have internal predecessors, (1371), 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) [2021-11-13 18:39:51,631 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 179.0) internal successors, (1790), 10 states have internal predecessors, (1790), 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) [2021-11-13 18:39:51,632 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 179.0) internal successors, (1790), 10 states have internal predecessors, (1790), 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) [2021-11-13 18:39:51,632 INFO L186 Difference]: Start difference. First operand has 177 places, 171 transitions, 430 flow. Second operand 9 states and 1371 transitions. [2021-11-13 18:39:51,632 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 185 places, 199 transitions, 639 flow [2021-11-13 18:39:51,636 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 184 places, 199 transitions, 635 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-11-13 18:39:51,640 INFO L242 Difference]: Finished difference. Result has 189 places, 178 transitions, 514 flow [2021-11-13 18:39:51,641 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=426, PETRI_DIFFERENCE_MINUEND_PLACES=176, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=171, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=158, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=514, PETRI_PLACES=189, PETRI_TRANSITIONS=178} [2021-11-13 18:39:51,643 INFO L334 CegarLoopForPetriNet]: 164 programPoint places, 25 predicate places. [2021-11-13 18:39:51,643 INFO L470 AbstractCegarLoop]: Abstraction has has 189 places, 178 transitions, 514 flow [2021-11-13 18:39:51,644 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 148.28571428571428) internal successors, (1038), 7 states have internal predecessors, (1038), 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) [2021-11-13 18:39:51,644 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 18:39:51,645 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:39:51,645 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-13 18:39:51,649 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-13 18:39:51,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:39:51,650 INFO L85 PathProgramCache]: Analyzing trace with hash -1670377997, now seen corresponding path program 1 times [2021-11-13 18:39:51,650 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:39:51,651 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966716176] [2021-11-13 18:39:51,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:39:51,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:39:51,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:39:52,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:39:52,597 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:39:52,597 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966716176] [2021-11-13 18:39:52,598 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966716176] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:39:52,598 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:39:52,598 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2021-11-13 18:39:52,598 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228346749] [2021-11-13 18:39:52,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:39:52,599 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-11-13 18:39:52,599 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:39:52,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-11-13 18:39:52,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=419, Unknown=0, NotChecked=0, Total=506 [2021-11-13 18:39:52,604 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 179 [2021-11-13 18:39:52,608 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 189 places, 178 transitions, 514 flow. Second operand has 23 states, 23 states have (on average 110.21739130434783) internal successors, (2535), 23 states have internal predecessors, (2535), 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) [2021-11-13 18:39:52,608 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 18:39:52,608 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 179 [2021-11-13 18:39:52,608 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 18:39:55,143 INFO L129 PetriNetUnfolder]: 940/4674 cut-off events. [2021-11-13 18:39:55,143 INFO L130 PetriNetUnfolder]: For 668/670 co-relation queries the response was YES. [2021-11-13 18:39:55,165 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7922 conditions, 4674 events. 940/4674 cut-off events. For 668/670 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 35896 event pairs, 274 based on Foata normal form. 0/4515 useless extension candidates. Maximal degree in co-relation 4062. Up to 995 conditions per place. [2021-11-13 18:39:55,188 INFO L132 encePairwiseOnDemand]: 156/179 looper letters, 181 selfloop transitions, 26 changer transitions 3/329 dead transitions. [2021-11-13 18:39:55,188 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 209 places, 329 transitions, 1280 flow [2021-11-13 18:39:55,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-13 18:39:55,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-11-13 18:39:55,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 2479 transitions. [2021-11-13 18:39:55,197 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6594839052939612 [2021-11-13 18:39:55,197 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 2479 transitions. [2021-11-13 18:39:55,197 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 2479 transitions. [2021-11-13 18:39:55,199 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 18:39:55,200 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 2479 transitions. [2021-11-13 18:39:55,207 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 118.04761904761905) internal successors, (2479), 21 states have internal predecessors, (2479), 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) [2021-11-13 18:39:55,215 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 179.0) internal successors, (3938), 22 states have internal predecessors, (3938), 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) [2021-11-13 18:39:55,217 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 179.0) internal successors, (3938), 22 states have internal predecessors, (3938), 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) [2021-11-13 18:39:55,217 INFO L186 Difference]: Start difference. First operand has 189 places, 178 transitions, 514 flow. Second operand 21 states and 2479 transitions. [2021-11-13 18:39:55,218 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 209 places, 329 transitions, 1280 flow [2021-11-13 18:39:55,224 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 329 transitions, 1272 flow, removed 1 selfloop flow, removed 3 redundant places. [2021-11-13 18:39:55,229 INFO L242 Difference]: Finished difference. Result has 220 places, 200 transitions, 679 flow [2021-11-13 18:39:55,230 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=506, PETRI_DIFFERENCE_MINUEND_PLACES=186, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=178, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=156, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=679, PETRI_PLACES=220, PETRI_TRANSITIONS=200} [2021-11-13 18:39:55,231 INFO L334 CegarLoopForPetriNet]: 164 programPoint places, 56 predicate places. [2021-11-13 18:39:55,231 INFO L470 AbstractCegarLoop]: Abstraction has has 220 places, 200 transitions, 679 flow [2021-11-13 18:39:55,233 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 110.21739130434783) internal successors, (2535), 23 states have internal predecessors, (2535), 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) [2021-11-13 18:39:55,233 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 18:39:55,233 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:39:55,233 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-13 18:39:55,234 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-13 18:39:55,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:39:55,234 INFO L85 PathProgramCache]: Analyzing trace with hash 1087894785, now seen corresponding path program 2 times [2021-11-13 18:39:55,234 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:39:55,235 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968831803] [2021-11-13 18:39:55,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:39:55,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:39:55,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:39:56,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:39:56,139 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:39:56,139 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968831803] [2021-11-13 18:39:56,139 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968831803] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:39:56,139 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:39:56,140 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2021-11-13 18:39:56,140 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434185219] [2021-11-13 18:39:56,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:39:56,140 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-11-13 18:39:56,141 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:39:56,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-11-13 18:39:56,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=460, Unknown=0, NotChecked=0, Total=552 [2021-11-13 18:39:56,145 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 179 [2021-11-13 18:39:56,149 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 220 places, 200 transitions, 679 flow. Second operand has 24 states, 24 states have (on average 108.16666666666667) internal successors, (2596), 24 states have internal predecessors, (2596), 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) [2021-11-13 18:39:56,149 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 18:39:56,149 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 179 [2021-11-13 18:39:56,150 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 18:40:00,062 INFO L129 PetriNetUnfolder]: 1963/8771 cut-off events. [2021-11-13 18:40:00,062 INFO L130 PetriNetUnfolder]: For 1842/1846 co-relation queries the response was YES. [2021-11-13 18:40:00,118 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16387 conditions, 8771 events. 1963/8771 cut-off events. For 1842/1846 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 73700 event pairs, 257 based on Foata normal form. 10/8626 useless extension candidates. Maximal degree in co-relation 8542. Up to 1231 conditions per place. [2021-11-13 18:40:00,164 INFO L132 encePairwiseOnDemand]: 157/179 looper letters, 208 selfloop transitions, 38 changer transitions 3/366 dead transitions. [2021-11-13 18:40:00,164 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 240 places, 366 transitions, 1669 flow [2021-11-13 18:40:00,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-13 18:40:00,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-11-13 18:40:00,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 2462 transitions. [2021-11-13 18:40:00,174 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6549614259111466 [2021-11-13 18:40:00,174 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 2462 transitions. [2021-11-13 18:40:00,175 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 2462 transitions. [2021-11-13 18:40:00,177 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 18:40:00,177 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 2462 transitions. [2021-11-13 18:40:00,186 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 117.23809523809524) internal successors, (2462), 21 states have internal predecessors, (2462), 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) [2021-11-13 18:40:00,195 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 179.0) internal successors, (3938), 22 states have internal predecessors, (3938), 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) [2021-11-13 18:40:00,198 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 179.0) internal successors, (3938), 22 states have internal predecessors, (3938), 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) [2021-11-13 18:40:00,198 INFO L186 Difference]: Start difference. First operand has 220 places, 200 transitions, 679 flow. Second operand 21 states and 2462 transitions. [2021-11-13 18:40:00,198 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 240 places, 366 transitions, 1669 flow [2021-11-13 18:40:00,214 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 236 places, 366 transitions, 1662 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-11-13 18:40:00,220 INFO L242 Difference]: Finished difference. Result has 244 places, 214 transitions, 881 flow [2021-11-13 18:40:00,221 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=672, PETRI_DIFFERENCE_MINUEND_PLACES=216, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=200, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=165, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=881, PETRI_PLACES=244, PETRI_TRANSITIONS=214} [2021-11-13 18:40:00,222 INFO L334 CegarLoopForPetriNet]: 164 programPoint places, 80 predicate places. [2021-11-13 18:40:00,222 INFO L470 AbstractCegarLoop]: Abstraction has has 244 places, 214 transitions, 881 flow [2021-11-13 18:40:00,223 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 108.16666666666667) internal successors, (2596), 24 states have internal predecessors, (2596), 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) [2021-11-13 18:40:00,223 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 18:40:00,224 INFO L254 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:40:00,224 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-13 18:40:00,224 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-13 18:40:00,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:40:00,225 INFO L85 PathProgramCache]: Analyzing trace with hash 1896529407, now seen corresponding path program 1 times [2021-11-13 18:40:00,225 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:40:00,225 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127184200] [2021-11-13 18:40:00,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:40:00,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:40:00,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:40:00,371 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 18:40:00,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:40:00,498 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 18:40:00,498 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-13 18:40:00,499 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location t2Err0ASSERT_VIOLATIONERROR_FUNCTION (5 of 6 remaining) [2021-11-13 18:40:00,501 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 6 remaining) [2021-11-13 18:40:00,501 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (3 of 6 remaining) [2021-11-13 18:40:00,502 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t1Err0ASSERT_VIOLATIONERROR_FUNCTION (2 of 6 remaining) [2021-11-13 18:40:00,502 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t2Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 6 remaining) [2021-11-13 18:40:00,502 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2021-11-13 18:40:00,502 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-13 18:40:00,506 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:40:00,512 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-13 18:40:00,512 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-13 18:40:00,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 06:40:00 BasicIcfg [2021-11-13 18:40:00,666 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-13 18:40:00,667 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-13 18:40:00,667 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-13 18:40:00,667 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-13 18:40:00,670 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:39:47" (3/4) ... [2021-11-13 18:40:00,672 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-13 18:40:00,856 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e755ed34-f1d5-4d87-9a85-91c368d4bce7/bin/uautomizer-YU5uOKAj3y/witness.graphml [2021-11-13 18:40:00,857 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-13 18:40:00,857 INFO L158 Benchmark]: Toolchain (without parser) took 15051.13ms. Allocated memory was 109.1MB in the beginning and 463.5MB in the end (delta: 354.4MB). Free memory was 69.6MB in the beginning and 201.6MB in the end (delta: -132.1MB). Peak memory consumption was 221.8MB. Max. memory is 16.1GB. [2021-11-13 18:40:00,858 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 109.1MB. Free memory is still 87.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 18:40:00,858 INFO L158 Benchmark]: CACSL2BoogieTranslator took 702.64ms. Allocated memory is still 109.1MB. Free memory was 69.4MB in the beginning and 66.7MB in the end (delta: 2.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-13 18:40:00,859 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.07ms. Allocated memory is still 109.1MB. Free memory was 66.7MB in the beginning and 63.9MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-13 18:40:00,859 INFO L158 Benchmark]: Boogie Preprocessor took 33.75ms. Allocated memory is still 109.1MB. Free memory was 63.9MB in the beginning and 62.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 18:40:00,860 INFO L158 Benchmark]: RCFGBuilder took 499.84ms. Allocated memory is still 109.1MB. Free memory was 62.2MB in the beginning and 46.7MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-13 18:40:00,860 INFO L158 Benchmark]: TraceAbstraction took 13562.59ms. Allocated memory was 109.1MB in the beginning and 463.5MB in the end (delta: 354.4MB). Free memory was 46.2MB in the beginning and 246.7MB in the end (delta: -200.5MB). Peak memory consumption was 156.3MB. Max. memory is 16.1GB. [2021-11-13 18:40:00,861 INFO L158 Benchmark]: Witness Printer took 189.96ms. Allocated memory is still 463.5MB. Free memory was 246.7MB in the beginning and 201.6MB in the end (delta: 45.1MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2021-11-13 18:40:00,863 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 109.1MB. Free memory is still 87.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 702.64ms. Allocated memory is still 109.1MB. Free memory was 69.4MB in the beginning and 66.7MB in the end (delta: 2.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.07ms. Allocated memory is still 109.1MB. Free memory was 66.7MB in the beginning and 63.9MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.75ms. Allocated memory is still 109.1MB. Free memory was 63.9MB in the beginning and 62.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 499.84ms. Allocated memory is still 109.1MB. Free memory was 62.2MB in the beginning and 46.7MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 13562.59ms. Allocated memory was 109.1MB in the beginning and 463.5MB in the end (delta: 354.4MB). Free memory was 46.2MB in the beginning and 246.7MB in the end (delta: -200.5MB). Peak memory consumption was 156.3MB. Max. memory is 16.1GB. * Witness Printer took 189.96ms. Allocated memory is still 463.5MB. Free memory was 246.7MB in the beginning and 201.6MB in the end (delta: 45.1MB). Peak memory consumption was 44.0MB. 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: 940]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L935] 0 static int top=0; VAL [top=0] [L936] 0 static unsigned int arr[(400)]; VAL [arr={10:0}, top=0] [L937] 0 pthread_mutex_t m; VAL [arr={10:0}, m={11:0}, top=0] [L938] 0 _Bool flag=(0); VAL [arr={10:0}, flag=0, m={11:0}, top=0] [L1019] 0 pthread_t id1, id2; VAL [arr={10:0}, flag=0, id1={13:0}, id2={3:0}, m={11:0}, top=0] [L1021] FCALL, FORK 0 pthread_create(&id1, ((void *)0), t1, ((void *)0)) VAL [arr={10:0}, flag=0, id1={13:0}, id2={3:0}, m={11:0}, pthread_create(&id1, ((void *)0), t1, ((void *)0))=14, top=0] [L988] 1 int i; VAL [arg={0:0}, arg={0:0}, arr={10:0}, flag=0, m={11:0}, top=0] [L989] 1 unsigned int tmp; VAL [arg={0:0}, arg={0:0}, arr={10:0}, flag=0, m={11:0}, top=0] [L990] 1 i=0 VAL [arg={0:0}, arg={0:0}, arr={10:0}, flag=0, i=0, m={11:0}, top=0] [L990] COND TRUE 1 i<(400) VAL [arg={0:0}, arg={0:0}, arr={10:0}, flag=0, i=0, m={11:0}, top=0] [L993] 1 tmp = __VERIFIER_nondet_uint() VAL [__VERIFIER_nondet_uint()=4294967695, arg={0:0}, arg={0:0}, arr={10:0}, flag=0, i=0, m={11:0}, tmp=399, top=0] [L1022] FCALL, FORK 0 pthread_create(&id2, ((void *)0), t2, ((void *)0)) VAL [arr={10:0}, flag=0, id1={13:0}, id2={3:0}, m={11:0}, pthread_create(&id2, ((void *)0), t2, ((void *)0))=15, top=0] [L994] CALL 1 assume_abort_if_not(tmp < (400)) [L23] COND FALSE 1 !(!cond) VAL [\old(cond)=1, arr={10:0}, cond=1, flag=0, m={11:0}, top=0] [L994] RET 1 assume_abort_if_not(tmp < (400)) [L995] CALL, EXPR 1 push(arr,tmp) [L960] COND FALSE 1 !(top==(400)) VAL [\old(x)=399, arr={10:0}, flag=0, m={11:0}, stack={10:0}, stack={10:0}, top=0, x=399] [L967] CALL, EXPR 1 get_top() [L952] 1 return top; VAL [\result=0, arr={10:0}, flag=0, m={11:0}, top=0] [L967] RET, EXPR 1 get_top() [L967] 1 stack[get_top()] = x VAL [\old(x)=399, arr={10:0}, flag=0, get_top()=0, m={11:0}, stack={10:0}, stack={10:0}, top=0, x=399] [L968] CALL 1 inc_top() [L944] 1 top++ VAL [arr={10:0}, flag=0, m={11:0}, top=1] [L1004] 2 int i; VAL [arg={0:0}, arg={0:0}, arr={10:0}, flag=0, m={11:0}, top=1] [L1005] 2 i=0 VAL [arg={0:0}, arg={0:0}, arr={10:0}, flag=0, i=0, m={11:0}, top=1] [L1005] COND TRUE 2 i<(400) VAL [arg={0:0}, arg={0:0}, arr={10:0}, flag=0, i=0, m={11:0}, top=1] [L968] RET 1 inc_top() [L970] 1 return 0; VAL [\old(x)=399, \result=0, arr={10:0}, flag=0, m={11:0}, stack={10:0}, stack={10:0}, top=1, x=399] [L995] RET, EXPR 1 push(arr,tmp) [L995] COND FALSE 1 !(push(arr,tmp)==(-1)) VAL [arg={0:0}, arg={0:0}, arr={10:0}, flag=0, i=0, m={11:0}, push(arr,tmp)=0, tmp=399, top=1] [L997] 1 flag=(1) VAL [arg={0:0}, arg={0:0}, arr={10:0}, flag=1, i=0, m={11:0}, tmp=399, top=1] [L1008] COND TRUE 2 \read(flag) VAL [arg={0:0}, arg={0:0}, arr={10:0}, flag=1, i=0, m={11:0}, top=1] [L1010] CALL, EXPR 2 pop(arr) [L974] CALL, EXPR 2 get_top() [L952] 2 return top; VAL [\result=1, \result=0, arr={10:0}, flag=1, m={11:0}, top=1] [L974] RET, EXPR 2 get_top() [L974] COND FALSE 2 !(get_top()==0) VAL [arr={10:0}, flag=1, get_top()=1, m={11:0}, stack={10:0}, stack={10:0}, top=1] [L981] CALL 2 dec_top() [L948] 2 top-- VAL [arr={10:0}, flag=1, m={11:0}, top=0] [L981] RET 2 dec_top() [L982] CALL, EXPR 2 get_top() [L952] 2 return top; VAL [\result=0, \result=0, arr={10:0}, flag=1, m={11:0}, top=0] [L982] RET, EXPR 2 get_top() [L982] EXPR 2 stack[get_top()] VAL [arr={10:0}, flag=1, get_top()=0, m={11:0}, stack={10:0}, stack={10:0}, stack[get_top()]=399, top=0] [L982] 2 return stack[get_top()]; VAL [\result=399, arr={10:0}, flag=1, get_top()=0, m={11:0}, stack={10:0}, stack={10:0}, stack[get_top()]=399, top=0] [L1010] RET, EXPR 2 pop(arr) [L1010] COND FALSE 2 !(!(pop(arr)!=(-2))) VAL [arg={0:0}, arg={0:0}, arr={10:0}, flag=1, i=0, m={11:0}, pop(arr)=399, top=0] [L1005] 2 i++ VAL [arg={0:0}, arg={0:0}, arr={10:0}, flag=1, i=1, m={11:0}, top=0] [L1005] COND TRUE 2 i<(400) VAL [arg={0:0}, arg={0:0}, arr={10:0}, flag=1, i=1, m={11:0}, top=0] [L1008] COND TRUE 2 \read(flag) VAL [arg={0:0}, arg={0:0}, arr={10:0}, flag=1, i=1, m={11:0}, top=0] [L1010] CALL, EXPR 2 pop(arr) [L974] CALL, EXPR 2 get_top() [L952] 2 return top; VAL [\result=0, \result=0, arr={10:0}, flag=1, m={11:0}, top=0] [L974] RET, EXPR 2 get_top() [L974] COND TRUE 2 get_top()==0 VAL [arr={10:0}, flag=1, get_top()=0, m={11:0}, stack={10:0}, stack={10:0}, top=0] [L977] 2 return (-2); VAL [\result=-2, arr={10:0}, flag=1, m={11:0}, stack={10:0}, stack={10:0}, top=0] [L1010] RET, EXPR 2 pop(arr) [L1010] COND TRUE 2 !(pop(arr)!=(-2)) VAL [arg={0:0}, arg={0:0}, arr={10:0}, flag=1, i=1, m={11:0}, pop(arr)=-2, top=0] [L1011] CALL 2 error() [L940] 2 reach_error() VAL [arr={10:0}, flag=1, m={11:0}, top=0] - UnprovableResult [Line: 1022]: 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: 1021]: 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: 940]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 288 locations, 6 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.1s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 13.1s, OverallIterations: 9, TraceHistogramMax: 2, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 8.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1005 SdHoareTripleChecker+Valid, 2250.38ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1005 mSDsluCounter, 1480 SdHoareTripleChecker+Invalid, 1878.80ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1596 mSDsCounter, 87 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2260 IncrementalHoareTripleChecker+Invalid, 2347 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 87 mSolverCounterUnsat, 138 mSDtfsCounter, 2260 mSolverCounterSat, 41.31ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 322 GetRequests, 219 SyntacticMatches, 3 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 613 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=881occurred in iteration=8, InterpolantAutomatonStates: 74, 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, 0.4s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 1032 NumberOfCodeBlocks, 1032 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 975 ConstructedInterpolants, 0 QuantifiedInterpolants, 8086 SizeOfPredicates, 2 NumberOfNonLiveVariables, 236 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 10 InterpolantComputations, 7 PerfectInterpolantSequences, 12/66 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! [2021-11-13 18:40:00,910 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e755ed34-f1d5-4d87-9a85-91c368d4bce7/bin/uautomizer-YU5uOKAj3y/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