./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/parallel-barrier.wvr.c --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_50cfe152-2541-4c25-b523-691c5d7b93e2/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50cfe152-2541-4c25-b523-691c5d7b93e2/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_50cfe152-2541-4c25-b523-691c5d7b93e2/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50cfe152-2541-4c25-b523-691c5d7b93e2/bin/uautomizer-YU5uOKAj3y/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/parallel-barrier.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50cfe152-2541-4c25-b523-691c5d7b93e2/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_50cfe152-2541-4c25-b523-691c5d7b93e2/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 22b51332425cd14048935a20a73abea0065b1633fac56d6d6be511ab67585236 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 18:18:09,162 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 18:18:09,165 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 18:18:09,216 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 18:18:09,217 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 18:18:09,221 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 18:18:09,223 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 18:18:09,228 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 18:18:09,231 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 18:18:09,238 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 18:18:09,239 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 18:18:09,241 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 18:18:09,242 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 18:18:09,245 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 18:18:09,249 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 18:18:09,254 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 18:18:09,256 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 18:18:09,257 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 18:18:09,264 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 18:18:09,274 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 18:18:09,277 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 18:18:09,278 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 18:18:09,282 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 18:18:09,283 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 18:18:09,293 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 18:18:09,294 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 18:18:09,294 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 18:18:09,296 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 18:18:09,297 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 18:18:09,299 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 18:18:09,299 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 18:18:09,300 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 18:18:09,302 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 18:18:09,303 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 18:18:09,304 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 18:18:09,305 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 18:18:09,306 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 18:18:09,306 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 18:18:09,307 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 18:18:09,308 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 18:18:09,309 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 18:18:09,310 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50cfe152-2541-4c25-b523-691c5d7b93e2/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-13 18:18:09,355 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 18:18:09,357 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 18:18:09,357 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 18:18:09,358 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 18:18:09,363 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 18:18:09,363 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 18:18:09,364 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 18:18:09,365 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 18:18:09,365 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 18:18:09,365 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 18:18:09,366 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 18:18:09,366 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 18:18:09,366 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 18:18:09,367 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 18:18:09,367 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 18:18:09,368 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 18:18:09,368 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 18:18:09,368 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 18:18:09,369 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 18:18:09,369 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 18:18:09,369 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 18:18:09,370 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 18:18:09,370 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 18:18:09,370 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 18:18:09,370 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 18:18:09,371 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 18:18:09,371 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 18:18:09,371 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 18:18:09,373 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-13 18:18:09,374 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 18:18:09,375 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-13 18:18:09,375 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-13 18:18:09,375 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 18:18:09,376 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 18:18:09,376 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_50cfe152-2541-4c25-b523-691c5d7b93e2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50cfe152-2541-4c25-b523-691c5d7b93e2/bin/uautomizer-YU5uOKAj3y Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 22b51332425cd14048935a20a73abea0065b1633fac56d6d6be511ab67585236 [2021-11-13 18:18:09,685 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 18:18:09,711 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 18:18:09,715 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 18:18:09,716 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 18:18:09,717 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 18:18:09,720 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50cfe152-2541-4c25-b523-691c5d7b93e2/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/weaver/parallel-barrier.wvr.c [2021-11-13 18:18:09,832 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50cfe152-2541-4c25-b523-691c5d7b93e2/bin/uautomizer-YU5uOKAj3y/data/aed595389/d3708a6bc01840e0ba592e94b74b000c/FLAG890186444 [2021-11-13 18:18:10,319 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 18:18:10,320 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50cfe152-2541-4c25-b523-691c5d7b93e2/sv-benchmarks/c/weaver/parallel-barrier.wvr.c [2021-11-13 18:18:10,329 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50cfe152-2541-4c25-b523-691c5d7b93e2/bin/uautomizer-YU5uOKAj3y/data/aed595389/d3708a6bc01840e0ba592e94b74b000c/FLAG890186444 [2021-11-13 18:18:10,676 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50cfe152-2541-4c25-b523-691c5d7b93e2/bin/uautomizer-YU5uOKAj3y/data/aed595389/d3708a6bc01840e0ba592e94b74b000c [2021-11-13 18:18:10,678 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 18:18:10,680 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 18:18:10,687 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 18:18:10,687 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 18:18:10,691 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 18:18:10,692 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:18:10" (1/1) ... [2021-11-13 18:18:10,695 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38d4f44e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:18:10, skipping insertion in model container [2021-11-13 18:18:10,696 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:18:10" (1/1) ... [2021-11-13 18:18:10,704 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 18:18:10,752 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 18:18:11,009 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_50cfe152-2541-4c25-b523-691c5d7b93e2/sv-benchmarks/c/weaver/parallel-barrier.wvr.c[4722,4735] [2021-11-13 18:18:11,014 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:18:11,025 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 18:18:11,064 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_50cfe152-2541-4c25-b523-691c5d7b93e2/sv-benchmarks/c/weaver/parallel-barrier.wvr.c[4722,4735] [2021-11-13 18:18:11,066 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:18:11,084 INFO L208 MainTranslator]: Completed translation [2021-11-13 18:18:11,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:18:11 WrapperNode [2021-11-13 18:18:11,085 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 18:18:11,086 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 18:18:11,087 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 18:18:11,087 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 18:18:11,097 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:18:11" (1/1) ... [2021-11-13 18:18:11,109 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:18:11" (1/1) ... [2021-11-13 18:18:11,151 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 18:18:11,153 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 18:18:11,153 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 18:18:11,153 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 18:18:11,166 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:18:11" (1/1) ... [2021-11-13 18:18:11,166 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:18:11" (1/1) ... [2021-11-13 18:18:11,171 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:18:11" (1/1) ... [2021-11-13 18:18:11,171 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:18:11" (1/1) ... [2021-11-13 18:18:11,182 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:18:11" (1/1) ... [2021-11-13 18:18:11,185 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:18:11" (1/1) ... [2021-11-13 18:18:11,188 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:18:11" (1/1) ... [2021-11-13 18:18:11,193 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 18:18:11,194 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 18:18:11,194 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 18:18:11,195 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 18:18:11,196 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:18:11" (1/1) ... [2021-11-13 18:18:11,205 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 18:18:11,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50cfe152-2541-4c25-b523-691c5d7b93e2/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:18:11,233 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50cfe152-2541-4c25-b523-691c5d7b93e2/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 18:18:11,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50cfe152-2541-4c25-b523-691c5d7b93e2/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 18:18:11,277 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-13 18:18:11,278 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-13 18:18:11,278 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-13 18:18:11,278 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-13 18:18:11,278 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-13 18:18:11,279 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-13 18:18:11,279 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-11-13 18:18:11,279 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-11-13 18:18:11,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 18:18:11,280 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2021-11-13 18:18:11,280 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2021-11-13 18:18:11,280 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2021-11-13 18:18:11,280 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2021-11-13 18:18:11,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 18:18:11,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 18:18:11,281 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-13 18:18:11,281 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-13 18:18:11,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 18:18:11,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 18:18:11,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 18:18:11,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 18:18:11,284 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 18:18:12,080 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 18:18:12,081 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-13 18:18:12,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:18:12 BoogieIcfgContainer [2021-11-13 18:18:12,090 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 18:18:12,093 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 18:18:12,094 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 18:18:12,099 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 18:18:12,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 06:18:10" (1/3) ... [2021-11-13 18:18:12,102 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@704a52d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:18:12, skipping insertion in model container [2021-11-13 18:18:12,102 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:18:11" (2/3) ... [2021-11-13 18:18:12,103 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@704a52d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:18:12, skipping insertion in model container [2021-11-13 18:18:12,103 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:18:12" (3/3) ... [2021-11-13 18:18:12,104 INFO L111 eAbstractionObserver]: Analyzing ICFG parallel-barrier.wvr.c [2021-11-13 18:18:12,111 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-13 18:18:12,111 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 18:18:12,111 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-13 18:18:12,111 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-13 18:18:12,201 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t2~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,201 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,202 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t2~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,202 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,202 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t3~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,202 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t3~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,203 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t3~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,203 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t3~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,203 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,204 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,204 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,204 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,204 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,205 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,205 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,205 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,205 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,205 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,206 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,206 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,206 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~pre3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,207 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~pre3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,207 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t2~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,207 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,207 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~pre3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,208 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t2~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,208 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,208 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~pre3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,208 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~pre3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,209 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~pre3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,209 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,209 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,209 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~pre5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,209 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~pre5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,210 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t3~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,210 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t3~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,210 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~pre5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,210 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t3~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,211 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t3~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,211 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~pre5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,211 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~pre5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,211 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~pre5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,212 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,212 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,212 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t2~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,212 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,212 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,213 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t2~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,213 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,213 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,214 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,214 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,214 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t3~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,215 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t3~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,215 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,215 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t3~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,215 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t3~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,215 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,216 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,216 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,216 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,216 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,217 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,217 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,217 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,217 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,218 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t2~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,218 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,218 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t2~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,218 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,219 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t3~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,219 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t3~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,219 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t3~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,219 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t3~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,219 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t3~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,220 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t3~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,220 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,221 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,221 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,221 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,222 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,222 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,222 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,222 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,223 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,223 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,223 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,224 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,224 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,224 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,225 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,225 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,226 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,226 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,226 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,226 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,227 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,227 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,227 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,227 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,228 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,228 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,228 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,229 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,229 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,229 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,229 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,229 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,230 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,230 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,230 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,230 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,231 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~pre9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,231 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~pre9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,231 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,231 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~pre9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,232 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,232 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,232 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~pre9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,232 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,233 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~pre9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,233 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~pre9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,233 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,233 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,233 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~pre11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,234 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~pre11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,234 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,234 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~pre11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,234 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,235 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,235 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~pre11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,235 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,235 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~pre11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,236 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~pre11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,236 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,236 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,236 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,236 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,237 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,237 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,237 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,237 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,238 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,238 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,238 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,238 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,238 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,239 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,239 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,239 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,239 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,240 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,240 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,240 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,240 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,240 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,241 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,241 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,241 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,241 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,241 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,242 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,242 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,242 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,242 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,243 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,243 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,243 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,244 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,244 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,244 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,244 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,245 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,245 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,245 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,245 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,246 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,246 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,246 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,247 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,247 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,247 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,247 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,248 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,251 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,252 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,252 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,252 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,254 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,254 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,254 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,254 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,255 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,256 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t3~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,256 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t2~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,256 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,256 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t3~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,257 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~pre3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,257 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,257 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,257 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,257 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,258 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~pre5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,258 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~#t2~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,258 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,258 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,261 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,261 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,261 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,262 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,263 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,263 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,263 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,263 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,263 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,264 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t6~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,264 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,264 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~pre11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,264 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,265 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_~#t5~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,265 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,265 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~pre9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,265 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,265 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,267 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,267 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,267 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,267 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,269 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,269 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,269 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,270 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,270 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,271 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,271 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,271 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,272 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,272 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,272 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,273 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork5_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,274 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,274 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,274 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,274 WARN L322 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:18:12,289 INFO L148 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2021-11-13 18:18:12,365 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 18:18:12,374 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 18:18:12,374 INFO L340 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2021-11-13 18:18:12,438 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 246 places, 235 transitions, 542 flow [2021-11-13 18:18:12,633 INFO L129 PetriNetUnfolder]: 8/207 cut-off events. [2021-11-13 18:18:12,633 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-11-13 18:18:12,644 INFO L84 FinitePrefix]: Finished finitePrefix Result has 236 conditions, 207 events. 8/207 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 243 event pairs, 0 based on Foata normal form. 0/198 useless extension candidates. Maximal degree in co-relation 177. Up to 3 conditions per place. [2021-11-13 18:18:12,644 INFO L82 GeneralOperation]: Start removeDead. Operand has 246 places, 235 transitions, 542 flow [2021-11-13 18:18:12,653 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 209 places, 198 transitions, 444 flow [2021-11-13 18:18:12,747 INFO L129 PetriNetUnfolder]: 8/197 cut-off events. [2021-11-13 18:18:12,747 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-11-13 18:18:12,748 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 18:18:12,749 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:18:12,749 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATION, thread1Err6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 7 more)] === [2021-11-13 18:18:12,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:18:12,756 INFO L85 PathProgramCache]: Analyzing trace with hash 7379460, now seen corresponding path program 1 times [2021-11-13 18:18:12,768 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:18:12,769 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919965916] [2021-11-13 18:18:12,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:18:12,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:18:13,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:18:13,697 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 18:18:13,698 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:18:13,699 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919965916] [2021-11-13 18:18:13,700 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919965916] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:18:13,701 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:18:13,701 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-13 18:18:13,703 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584072425] [2021-11-13 18:18:13,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:18:13,722 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 18:18:13,723 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:18:13,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 18:18:13,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-13 18:18:13,780 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 239 [2021-11-13 18:18:13,791 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 209 places, 198 transitions, 444 flow. Second operand has 5 states, 5 states have (on average 202.6) internal successors, (1013), 5 states have internal predecessors, (1013), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:18:13,791 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 18:18:13,792 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 239 [2021-11-13 18:18:13,793 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 18:18:14,549 INFO L129 PetriNetUnfolder]: 354/1315 cut-off events. [2021-11-13 18:18:14,549 INFO L130 PetriNetUnfolder]: For 424/424 co-relation queries the response was YES. [2021-11-13 18:18:14,564 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2287 conditions, 1315 events. 354/1315 cut-off events. For 424/424 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 7887 event pairs, 170 based on Foata normal form. 41/1228 useless extension candidates. Maximal degree in co-relation 2051. Up to 365 conditions per place. [2021-11-13 18:18:14,583 INFO L132 encePairwiseOnDemand]: 228/239 looper letters, 49 selfloop transitions, 6 changer transitions 3/222 dead transitions. [2021-11-13 18:18:14,583 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 213 places, 222 transitions, 670 flow [2021-11-13 18:18:14,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 18:18:14,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-11-13 18:18:14,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1054 transitions. [2021-11-13 18:18:14,619 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8820083682008368 [2021-11-13 18:18:14,621 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1054 transitions. [2021-11-13 18:18:14,621 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1054 transitions. [2021-11-13 18:18:14,628 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 18:18:14,631 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1054 transitions. [2021-11-13 18:18:14,642 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 210.8) internal successors, (1054), 5 states have internal predecessors, (1054), 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 18:18:14,664 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 239.0) internal successors, (1434), 6 states have internal predecessors, (1434), 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 18:18:14,666 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 239.0) internal successors, (1434), 6 states have internal predecessors, (1434), 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 18:18:14,669 INFO L186 Difference]: Start difference. First operand has 209 places, 198 transitions, 444 flow. Second operand 5 states and 1054 transitions. [2021-11-13 18:18:14,671 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 213 places, 222 transitions, 670 flow [2021-11-13 18:18:14,685 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 201 places, 222 transitions, 594 flow, removed 0 selfloop flow, removed 12 redundant places. [2021-11-13 18:18:14,696 INFO L242 Difference]: Finished difference. Result has 202 places, 191 transitions, 416 flow [2021-11-13 18:18:14,699 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=404, PETRI_DIFFERENCE_MINUEND_PLACES=197, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=194, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=188, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=416, PETRI_PLACES=202, PETRI_TRANSITIONS=191} [2021-11-13 18:18:14,708 INFO L334 CegarLoopForPetriNet]: 209 programPoint places, -7 predicate places. [2021-11-13 18:18:14,708 INFO L470 AbstractCegarLoop]: Abstraction has has 202 places, 191 transitions, 416 flow [2021-11-13 18:18:14,710 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 202.6) internal successors, (1013), 5 states have internal predecessors, (1013), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:18:14,710 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 18:18:14,711 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:18:14,711 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-13 18:18:14,712 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATION, thread1Err6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 7 more)] === [2021-11-13 18:18:14,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:18:14,714 INFO L85 PathProgramCache]: Analyzing trace with hash 1171318792, now seen corresponding path program 2 times [2021-11-13 18:18:14,714 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:18:14,714 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824027229] [2021-11-13 18:18:14,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:18:14,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:18:15,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:18:15,188 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 18:18:15,188 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:18:15,188 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824027229] [2021-11-13 18:18:15,189 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824027229] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:18:15,189 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:18:15,189 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-13 18:18:15,190 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112007750] [2021-11-13 18:18:15,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:18:15,192 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 18:18:15,192 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:18:15,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 18:18:15,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-13 18:18:15,197 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 239 [2021-11-13 18:18:15,200 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 202 places, 191 transitions, 416 flow. Second operand has 5 states, 5 states have (on average 202.6) internal successors, (1013), 5 states have internal predecessors, (1013), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:18:15,200 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 18:18:15,200 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 239 [2021-11-13 18:18:15,200 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 18:18:15,732 INFO L129 PetriNetUnfolder]: 300/1198 cut-off events. [2021-11-13 18:18:15,732 INFO L130 PetriNetUnfolder]: For 141/141 co-relation queries the response was YES. [2021-11-13 18:18:15,741 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1829 conditions, 1198 events. 300/1198 cut-off events. For 141/141 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 6898 event pairs, 128 based on Foata normal form. 22/1098 useless extension candidates. Maximal degree in co-relation 1402. Up to 289 conditions per place. [2021-11-13 18:18:15,753 INFO L132 encePairwiseOnDemand]: 232/239 looper letters, 48 selfloop transitions, 6 changer transitions 1/218 dead transitions. [2021-11-13 18:18:15,753 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 203 places, 218 transitions, 607 flow [2021-11-13 18:18:15,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 18:18:15,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-11-13 18:18:15,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1046 transitions. [2021-11-13 18:18:15,767 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8753138075313808 [2021-11-13 18:18:15,768 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1046 transitions. [2021-11-13 18:18:15,768 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1046 transitions. [2021-11-13 18:18:15,769 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 18:18:15,770 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1046 transitions. [2021-11-13 18:18:15,775 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 209.2) internal successors, (1046), 5 states have internal predecessors, (1046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:18:15,779 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 239.0) internal successors, (1434), 6 states have internal predecessors, (1434), 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 18:18:15,781 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 239.0) internal successors, (1434), 6 states have internal predecessors, (1434), 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 18:18:15,782 INFO L186 Difference]: Start difference. First operand has 202 places, 191 transitions, 416 flow. Second operand 5 states and 1046 transitions. [2021-11-13 18:18:15,782 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 203 places, 218 transitions, 607 flow [2021-11-13 18:18:15,786 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 199 places, 218 transitions, 595 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-11-13 18:18:15,797 INFO L242 Difference]: Finished difference. Result has 200 places, 190 transitions, 420 flow [2021-11-13 18:18:15,798 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=404, PETRI_DIFFERENCE_MINUEND_PLACES=195, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=191, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=185, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=420, PETRI_PLACES=200, PETRI_TRANSITIONS=190} [2021-11-13 18:18:15,799 INFO L334 CegarLoopForPetriNet]: 209 programPoint places, -9 predicate places. [2021-11-13 18:18:15,800 INFO L470 AbstractCegarLoop]: Abstraction has has 200 places, 190 transitions, 420 flow [2021-11-13 18:18:15,801 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 202.6) internal successors, (1013), 5 states have internal predecessors, (1013), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:18:15,801 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 18:18:15,802 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:18:15,802 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-13 18:18:15,802 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATION, thread1Err6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 7 more)] === [2021-11-13 18:18:15,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:18:15,805 INFO L85 PathProgramCache]: Analyzing trace with hash 104742018, now seen corresponding path program 1 times [2021-11-13 18:18:15,806 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:18:15,806 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794339096] [2021-11-13 18:18:15,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:18:15,807 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:18:16,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:18:16,242 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 18:18:16,243 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:18:16,244 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794339096] [2021-11-13 18:18:16,244 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794339096] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:18:16,244 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:18:16,245 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-13 18:18:16,246 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144198270] [2021-11-13 18:18:16,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:18:16,249 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 18:18:16,249 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:18:16,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 18:18:16,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-13 18:18:16,254 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 239 [2021-11-13 18:18:16,256 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 200 places, 190 transitions, 420 flow. Second operand has 5 states, 5 states have (on average 202.6) internal successors, (1013), 5 states have internal predecessors, (1013), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:18:16,256 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 18:18:16,257 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 239 [2021-11-13 18:18:16,257 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 18:18:16,696 INFO L129 PetriNetUnfolder]: 311/1167 cut-off events. [2021-11-13 18:18:16,696 INFO L130 PetriNetUnfolder]: For 174/174 co-relation queries the response was YES. [2021-11-13 18:18:16,704 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1900 conditions, 1167 events. 311/1167 cut-off events. For 174/174 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 6706 event pairs, 141 based on Foata normal form. 11/1085 useless extension candidates. Maximal degree in co-relation 1581. Up to 327 conditions per place. [2021-11-13 18:18:16,715 INFO L132 encePairwiseOnDemand]: 232/239 looper letters, 49 selfloop transitions, 6 changer transitions 0/218 dead transitions. [2021-11-13 18:18:16,715 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 203 places, 218 transitions, 614 flow [2021-11-13 18:18:16,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 18:18:16,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-11-13 18:18:16,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1046 transitions. [2021-11-13 18:18:16,720 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8753138075313808 [2021-11-13 18:18:16,720 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1046 transitions. [2021-11-13 18:18:16,721 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1046 transitions. [2021-11-13 18:18:16,722 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 18:18:16,722 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1046 transitions. [2021-11-13 18:18:16,726 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 209.2) internal successors, (1046), 5 states have internal predecessors, (1046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:18:16,730 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 239.0) internal successors, (1434), 6 states have internal predecessors, (1434), 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 18:18:16,732 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 239.0) internal successors, (1434), 6 states have internal predecessors, (1434), 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 18:18:16,733 INFO L186 Difference]: Start difference. First operand has 200 places, 190 transitions, 420 flow. Second operand 5 states and 1046 transitions. [2021-11-13 18:18:16,733 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 203 places, 218 transitions, 614 flow [2021-11-13 18:18:16,739 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 199 places, 218 transitions, 602 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-11-13 18:18:16,747 INFO L242 Difference]: Finished difference. Result has 200 places, 190 transitions, 426 flow [2021-11-13 18:18:16,748 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=408, PETRI_DIFFERENCE_MINUEND_PLACES=195, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=190, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=184, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=426, PETRI_PLACES=200, PETRI_TRANSITIONS=190} [2021-11-13 18:18:16,753 INFO L334 CegarLoopForPetriNet]: 209 programPoint places, -9 predicate places. [2021-11-13 18:18:16,754 INFO L470 AbstractCegarLoop]: Abstraction has has 200 places, 190 transitions, 426 flow [2021-11-13 18:18:16,755 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 202.6) internal successors, (1013), 5 states have internal predecessors, (1013), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:18:16,756 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 18:18:16,756 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:18:16,756 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-13 18:18:16,757 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATION, thread1Err6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 7 more)] === [2021-11-13 18:18:16,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:18:16,758 INFO L85 PathProgramCache]: Analyzing trace with hash 632833614, now seen corresponding path program 2 times [2021-11-13 18:18:16,758 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:18:16,759 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503405523] [2021-11-13 18:18:16,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:18:16,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:18:16,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:18:18,058 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 18:18:18,059 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:18:18,059 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503405523] [2021-11-13 18:18:18,059 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503405523] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:18:18,059 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:18:18,060 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2021-11-13 18:18:18,060 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445007169] [2021-11-13 18:18:18,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:18:18,061 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-11-13 18:18:18,061 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:18:18,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-11-13 18:18:18,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=376, Unknown=0, NotChecked=0, Total=420 [2021-11-13 18:18:18,073 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 239 [2021-11-13 18:18:18,080 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 200 places, 190 transitions, 426 flow. Second operand has 21 states, 21 states have (on average 165.71428571428572) internal successors, (3480), 21 states have internal predecessors, (3480), 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 18:18:18,080 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 18:18:18,081 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 239 [2021-11-13 18:18:18,081 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 18:18:24,445 INFO L129 PetriNetUnfolder]: 5258/9715 cut-off events. [2021-11-13 18:18:24,446 INFO L130 PetriNetUnfolder]: For 1673/1673 co-relation queries the response was YES. [2021-11-13 18:18:24,501 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18897 conditions, 9715 events. 5258/9715 cut-off events. For 1673/1673 co-relation queries the response was YES. Maximal size of possible extension queue 308. Compared 69628 event pairs, 802 based on Foata normal form. 2/8930 useless extension candidates. Maximal degree in co-relation 18044. Up to 3952 conditions per place. [2021-11-13 18:18:24,645 INFO L132 encePairwiseOnDemand]: 216/239 looper letters, 222 selfloop transitions, 105 changer transitions 31/487 dead transitions. [2021-11-13 18:18:24,645 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 234 places, 487 transitions, 1894 flow [2021-11-13 18:18:24,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-11-13 18:18:24,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2021-11-13 18:18:24,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 6065 transitions. [2021-11-13 18:18:24,670 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7250448296473401 [2021-11-13 18:18:24,670 INFO L72 ComplementDD]: Start complementDD. Operand 35 states and 6065 transitions. [2021-11-13 18:18:24,670 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 6065 transitions. [2021-11-13 18:18:24,676 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 18:18:24,676 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 35 states and 6065 transitions. [2021-11-13 18:18:24,698 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 36 states, 35 states have (on average 173.28571428571428) internal successors, (6065), 35 states have internal predecessors, (6065), 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 18:18:24,722 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 36 states, 36 states have (on average 239.0) internal successors, (8604), 36 states have internal predecessors, (8604), 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 18:18:24,728 INFO L81 ComplementDD]: Finished complementDD. Result has 36 states, 36 states have (on average 239.0) internal successors, (8604), 36 states have internal predecessors, (8604), 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 18:18:24,728 INFO L186 Difference]: Start difference. First operand has 200 places, 190 transitions, 426 flow. Second operand 35 states and 6065 transitions. [2021-11-13 18:18:24,729 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 234 places, 487 transitions, 1894 flow [2021-11-13 18:18:24,735 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 230 places, 487 transitions, 1866 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-11-13 18:18:24,744 INFO L242 Difference]: Finished difference. Result has 251 places, 296 transitions, 1012 flow [2021-11-13 18:18:24,745 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=414, PETRI_DIFFERENCE_MINUEND_PLACES=196, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=190, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=170, PETRI_DIFFERENCE_SUBTRAHEND_STATES=35, PETRI_FLOW=1012, PETRI_PLACES=251, PETRI_TRANSITIONS=296} [2021-11-13 18:18:24,746 INFO L334 CegarLoopForPetriNet]: 209 programPoint places, 42 predicate places. [2021-11-13 18:18:24,747 INFO L470 AbstractCegarLoop]: Abstraction has has 251 places, 296 transitions, 1012 flow [2021-11-13 18:18:24,749 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 165.71428571428572) internal successors, (3480), 21 states have internal predecessors, (3480), 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 18:18:24,749 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 18:18:24,750 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:18:24,750 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-13 18:18:24,750 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATION, thread1Err6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 7 more)] === [2021-11-13 18:18:24,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:18:24,751 INFO L85 PathProgramCache]: Analyzing trace with hash 1949511864, now seen corresponding path program 3 times [2021-11-13 18:18:24,752 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:18:24,752 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128341300] [2021-11-13 18:18:24,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:18:24,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:18:24,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:18:24,926 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 18:18:24,927 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:18:24,927 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128341300] [2021-11-13 18:18:24,927 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128341300] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:18:24,928 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:18:24,928 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-13 18:18:24,928 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911280849] [2021-11-13 18:18:24,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:18:24,929 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 18:18:24,929 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:18:24,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 18:18:24,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-13 18:18:24,932 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 239 [2021-11-13 18:18:24,935 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 251 places, 296 transitions, 1012 flow. Second operand has 5 states, 5 states have (on average 202.6) internal successors, (1013), 5 states have internal predecessors, (1013), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:18:24,935 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 18:18:24,936 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 239 [2021-11-13 18:18:24,936 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 18:18:25,960 INFO L129 PetriNetUnfolder]: 1257/3708 cut-off events. [2021-11-13 18:18:25,961 INFO L130 PetriNetUnfolder]: For 1905/1935 co-relation queries the response was YES. [2021-11-13 18:18:26,009 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7179 conditions, 3708 events. 1257/3708 cut-off events. For 1905/1935 co-relation queries the response was YES. Maximal size of possible extension queue 150. Compared 28858 event pairs, 453 based on Foata normal form. 56/3275 useless extension candidates. Maximal degree in co-relation 7147. Up to 973 conditions per place. [2021-11-13 18:18:26,041 INFO L132 encePairwiseOnDemand]: 232/239 looper letters, 48 selfloop transitions, 6 changer transitions 0/321 dead transitions. [2021-11-13 18:18:26,042 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 251 places, 321 transitions, 1199 flow [2021-11-13 18:18:26,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 18:18:26,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-11-13 18:18:26,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1045 transitions. [2021-11-13 18:18:26,048 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8744769874476988 [2021-11-13 18:18:26,049 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1045 transitions. [2021-11-13 18:18:26,049 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1045 transitions. [2021-11-13 18:18:26,050 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 18:18:26,051 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1045 transitions. [2021-11-13 18:18:26,055 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 209.0) internal successors, (1045), 5 states have internal predecessors, (1045), 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 18:18:26,060 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 239.0) internal successors, (1434), 6 states have internal predecessors, (1434), 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 18:18:26,061 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 239.0) internal successors, (1434), 6 states have internal predecessors, (1434), 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 18:18:26,061 INFO L186 Difference]: Start difference. First operand has 251 places, 296 transitions, 1012 flow. Second operand 5 states and 1045 transitions. [2021-11-13 18:18:26,062 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 251 places, 321 transitions, 1199 flow [2021-11-13 18:18:26,081 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 245 places, 321 transitions, 1187 flow, removed 4 selfloop flow, removed 6 redundant places. [2021-11-13 18:18:26,096 INFO L242 Difference]: Finished difference. Result has 246 places, 294 transitions, 1010 flow [2021-11-13 18:18:26,097 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=992, PETRI_DIFFERENCE_MINUEND_PLACES=241, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=294, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=288, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1010, PETRI_PLACES=246, PETRI_TRANSITIONS=294} [2021-11-13 18:18:26,101 INFO L334 CegarLoopForPetriNet]: 209 programPoint places, 37 predicate places. [2021-11-13 18:18:26,101 INFO L470 AbstractCegarLoop]: Abstraction has has 246 places, 294 transitions, 1010 flow [2021-11-13 18:18:26,102 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 202.6) internal successors, (1013), 5 states have internal predecessors, (1013), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:18:26,103 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 18:18:26,103 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:18:26,103 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-13 18:18:26,104 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATION, thread1Err6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 7 more)] === [2021-11-13 18:18:26,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:18:26,104 INFO L85 PathProgramCache]: Analyzing trace with hash -270652034, now seen corresponding path program 4 times [2021-11-13 18:18:26,105 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:18:26,105 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332198084] [2021-11-13 18:18:26,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:18:26,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:18:26,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:18:27,749 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 18:18:27,749 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:18:27,749 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332198084] [2021-11-13 18:18:27,749 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1332198084] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:18:27,749 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:18:27,750 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2021-11-13 18:18:27,750 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305514786] [2021-11-13 18:18:27,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:18:27,750 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2021-11-13 18:18:27,751 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:18:27,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-11-13 18:18:27,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=531, Unknown=0, NotChecked=0, Total=600 [2021-11-13 18:18:27,758 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 239 [2021-11-13 18:18:27,765 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 246 places, 294 transitions, 1010 flow. Second operand has 25 states, 25 states have (on average 161.4) internal successors, (4035), 25 states have internal predecessors, (4035), 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 18:18:27,765 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 18:18:27,766 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 239 [2021-11-13 18:18:27,766 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 18:18:35,596 INFO L129 PetriNetUnfolder]: 5666/11212 cut-off events. [2021-11-13 18:18:35,597 INFO L130 PetriNetUnfolder]: For 13978/13978 co-relation queries the response was YES. [2021-11-13 18:18:35,689 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29968 conditions, 11212 events. 5666/11212 cut-off events. For 13978/13978 co-relation queries the response was YES. Maximal size of possible extension queue 344. Compared 83715 event pairs, 1440 based on Foata normal form. 1/10353 useless extension candidates. Maximal degree in co-relation 28717. Up to 5000 conditions per place. [2021-11-13 18:18:35,790 INFO L132 encePairwiseOnDemand]: 213/239 looper letters, 413 selfloop transitions, 194 changer transitions 14/747 dead transitions. [2021-11-13 18:18:35,790 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 302 places, 747 transitions, 4370 flow [2021-11-13 18:18:35,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-11-13 18:18:35,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2021-11-13 18:18:35,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 9602 transitions. [2021-11-13 18:18:35,831 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.704837407325846 [2021-11-13 18:18:35,831 INFO L72 ComplementDD]: Start complementDD. Operand 57 states and 9602 transitions. [2021-11-13 18:18:35,831 INFO L73 IsDeterministic]: Start isDeterministic. Operand 57 states and 9602 transitions. [2021-11-13 18:18:35,840 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 18:18:35,840 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 57 states and 9602 transitions. [2021-11-13 18:18:35,884 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 58 states, 57 states have (on average 168.4561403508772) internal successors, (9602), 57 states have internal predecessors, (9602), 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 18:18:35,934 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 58 states, 58 states have (on average 239.0) internal successors, (13862), 58 states have internal predecessors, (13862), 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 18:18:35,941 INFO L81 ComplementDD]: Finished complementDD. Result has 58 states, 58 states have (on average 239.0) internal successors, (13862), 58 states have internal predecessors, (13862), 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 18:18:35,942 INFO L186 Difference]: Start difference. First operand has 246 places, 294 transitions, 1010 flow. Second operand 57 states and 9602 transitions. [2021-11-13 18:18:35,942 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 302 places, 747 transitions, 4370 flow [2021-11-13 18:18:36,018 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 298 places, 747 transitions, 4352 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-11-13 18:18:36,035 INFO L242 Difference]: Finished difference. Result has 320 places, 482 transitions, 2739 flow [2021-11-13 18:18:36,036 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=998, PETRI_DIFFERENCE_MINUEND_PLACES=242, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=294, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=40, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=244, PETRI_DIFFERENCE_SUBTRAHEND_STATES=57, PETRI_FLOW=2739, PETRI_PLACES=320, PETRI_TRANSITIONS=482} [2021-11-13 18:18:36,036 INFO L334 CegarLoopForPetriNet]: 209 programPoint places, 111 predicate places. [2021-11-13 18:18:36,037 INFO L470 AbstractCegarLoop]: Abstraction has has 320 places, 482 transitions, 2739 flow [2021-11-13 18:18:36,038 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 161.4) internal successors, (4035), 25 states have internal predecessors, (4035), 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 18:18:36,039 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 18:18:36,039 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:18:36,039 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-13 18:18:36,040 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATION, thread1Err6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 7 more)] === [2021-11-13 18:18:36,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:18:36,040 INFO L85 PathProgramCache]: Analyzing trace with hash -1352202594, now seen corresponding path program 5 times [2021-11-13 18:18:36,041 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:18:36,041 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253019175] [2021-11-13 18:18:36,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:18:36,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:18:36,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:18:37,185 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 18:18:37,185 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:18:37,185 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253019175] [2021-11-13 18:18:37,186 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253019175] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:18:37,186 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:18:37,186 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2021-11-13 18:18:37,186 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081129739] [2021-11-13 18:18:37,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:18:37,187 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-11-13 18:18:37,188 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:18:37,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-11-13 18:18:37,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=491, Unknown=0, NotChecked=0, Total=552 [2021-11-13 18:18:37,196 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 239 [2021-11-13 18:18:37,202 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 320 places, 482 transitions, 2739 flow. Second operand has 24 states, 24 states have (on average 165.375) internal successors, (3969), 24 states have internal predecessors, (3969), 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 18:18:37,202 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 18:18:37,202 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 239 [2021-11-13 18:18:37,202 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 18:18:44,093 INFO L129 PetriNetUnfolder]: 6743/13293 cut-off events. [2021-11-13 18:18:44,094 INFO L130 PetriNetUnfolder]: For 39224/39225 co-relation queries the response was YES. [2021-11-13 18:18:44,272 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43507 conditions, 13293 events. 6743/13293 cut-off events. For 39224/39225 co-relation queries the response was YES. Maximal size of possible extension queue 361. Compared 103199 event pairs, 1973 based on Foata normal form. 2/12234 useless extension candidates. Maximal degree in co-relation 43430. Up to 6580 conditions per place. [2021-11-13 18:18:44,394 INFO L132 encePairwiseOnDemand]: 216/239 looper letters, 552 selfloop transitions, 213 changer transitions 20/916 dead transitions. [2021-11-13 18:18:44,395 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 365 places, 916 transitions, 6832 flow [2021-11-13 18:18:44,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-11-13 18:18:44,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2021-11-13 18:18:44,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 8429 transitions. [2021-11-13 18:18:44,542 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7197506617709846 [2021-11-13 18:18:44,550 INFO L72 ComplementDD]: Start complementDD. Operand 49 states and 8429 transitions. [2021-11-13 18:18:44,551 INFO L73 IsDeterministic]: Start isDeterministic. Operand 49 states and 8429 transitions. [2021-11-13 18:18:44,559 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 18:18:44,559 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 49 states and 8429 transitions. [2021-11-13 18:18:44,580 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 50 states, 49 states have (on average 172.0204081632653) internal successors, (8429), 49 states have internal predecessors, (8429), 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 18:18:44,603 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 50 states, 50 states have (on average 239.0) internal successors, (11950), 50 states have internal predecessors, (11950), 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 18:18:44,608 INFO L81 ComplementDD]: Finished complementDD. Result has 50 states, 50 states have (on average 239.0) internal successors, (11950), 50 states have internal predecessors, (11950), 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 18:18:44,609 INFO L186 Difference]: Start difference. First operand has 320 places, 482 transitions, 2739 flow. Second operand 49 states and 8429 transitions. [2021-11-13 18:18:44,609 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 365 places, 916 transitions, 6832 flow [2021-11-13 18:18:45,160 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 358 places, 916 transitions, 5929 flow, removed 411 selfloop flow, removed 7 redundant places. [2021-11-13 18:18:45,173 INFO L242 Difference]: Finished difference. Result has 376 places, 664 transitions, 4023 flow [2021-11-13 18:18:45,174 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=2046, PETRI_DIFFERENCE_MINUEND_PLACES=310, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=482, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=50, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=422, PETRI_DIFFERENCE_SUBTRAHEND_STATES=49, PETRI_FLOW=4023, PETRI_PLACES=376, PETRI_TRANSITIONS=664} [2021-11-13 18:18:45,175 INFO L334 CegarLoopForPetriNet]: 209 programPoint places, 167 predicate places. [2021-11-13 18:18:45,175 INFO L470 AbstractCegarLoop]: Abstraction has has 376 places, 664 transitions, 4023 flow [2021-11-13 18:18:45,177 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 165.375) internal successors, (3969), 24 states have internal predecessors, (3969), 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 18:18:45,177 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 18:18:45,177 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:18:45,177 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-13 18:18:45,178 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATION, thread1Err6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 7 more)] === [2021-11-13 18:18:45,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:18:45,178 INFO L85 PathProgramCache]: Analyzing trace with hash 98469106, now seen corresponding path program 6 times [2021-11-13 18:18:45,179 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:18:45,179 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588567274] [2021-11-13 18:18:45,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:18:45,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:18:45,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:18:46,086 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 18:18:46,086 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:18:46,086 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588567274] [2021-11-13 18:18:46,086 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588567274] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:18:46,087 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:18:46,087 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2021-11-13 18:18:46,087 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91863261] [2021-11-13 18:18:46,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:18:46,088 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-11-13 18:18:46,088 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:18:46,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-11-13 18:18:46,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=494, Unknown=0, NotChecked=0, Total=552 [2021-11-13 18:18:46,094 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 239 [2021-11-13 18:18:46,099 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 376 places, 664 transitions, 4023 flow. Second operand has 24 states, 24 states have (on average 165.375) internal successors, (3969), 24 states have internal predecessors, (3969), 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 18:18:46,099 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 18:18:46,100 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 239 [2021-11-13 18:18:46,100 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 18:18:54,440 INFO L129 PetriNetUnfolder]: 7777/15524 cut-off events. [2021-11-13 18:18:54,440 INFO L130 PetriNetUnfolder]: For 57847/57852 co-relation queries the response was YES. [2021-11-13 18:18:54,678 INFO L84 FinitePrefix]: Finished finitePrefix Result has 53682 conditions, 15524 events. 7777/15524 cut-off events. For 57847/57852 co-relation queries the response was YES. Maximal size of possible extension queue 419. Compared 126024 event pairs, 2275 based on Foata normal form. 6/14285 useless extension candidates. Maximal degree in co-relation 53579. Up to 7081 conditions per place. [2021-11-13 18:18:54,807 INFO L132 encePairwiseOnDemand]: 216/239 looper letters, 671 selfloop transitions, 292 changer transitions 20/1114 dead transitions. [2021-11-13 18:18:54,807 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 425 places, 1114 transitions, 8954 flow [2021-11-13 18:18:54,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-11-13 18:18:54,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2021-11-13 18:18:54,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 9275 transitions. [2021-11-13 18:18:54,825 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7186579885324655 [2021-11-13 18:18:54,826 INFO L72 ComplementDD]: Start complementDD. Operand 54 states and 9275 transitions. [2021-11-13 18:18:54,826 INFO L73 IsDeterministic]: Start isDeterministic. Operand 54 states and 9275 transitions. [2021-11-13 18:18:54,829 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 18:18:54,829 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 54 states and 9275 transitions. [2021-11-13 18:18:54,845 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 55 states, 54 states have (on average 171.75925925925927) internal successors, (9275), 54 states have internal predecessors, (9275), 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 18:18:54,864 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 55 states, 55 states have (on average 239.0) internal successors, (13145), 55 states have internal predecessors, (13145), 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 18:18:54,870 INFO L81 ComplementDD]: Finished complementDD. Result has 55 states, 55 states have (on average 239.0) internal successors, (13145), 55 states have internal predecessors, (13145), 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 18:18:54,870 INFO L186 Difference]: Start difference. First operand has 376 places, 664 transitions, 4023 flow. Second operand 54 states and 9275 transitions. [2021-11-13 18:18:54,871 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 425 places, 1114 transitions, 8954 flow [2021-11-13 18:18:55,759 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 419 places, 1114 transitions, 7989 flow, removed 399 selfloop flow, removed 6 redundant places. [2021-11-13 18:18:55,774 INFO L242 Difference]: Finished difference. Result has 435 places, 845 transitions, 5727 flow [2021-11-13 18:18:55,776 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=3430, PETRI_DIFFERENCE_MINUEND_PLACES=366, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=664, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=132, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=516, PETRI_DIFFERENCE_SUBTRAHEND_STATES=54, PETRI_FLOW=5727, PETRI_PLACES=435, PETRI_TRANSITIONS=845} [2021-11-13 18:18:55,777 INFO L334 CegarLoopForPetriNet]: 209 programPoint places, 226 predicate places. [2021-11-13 18:18:55,777 INFO L470 AbstractCegarLoop]: Abstraction has has 435 places, 845 transitions, 5727 flow [2021-11-13 18:18:55,778 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 165.375) internal successors, (3969), 24 states have internal predecessors, (3969), 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 18:18:55,778 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 18:18:55,779 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:18:55,779 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-13 18:18:55,779 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATION, thread1Err6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 7 more)] === [2021-11-13 18:18:55,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:18:55,779 INFO L85 PathProgramCache]: Analyzing trace with hash 381444678, now seen corresponding path program 7 times [2021-11-13 18:18:55,780 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:18:55,780 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871405892] [2021-11-13 18:18:55,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:18:55,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:18:55,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:18:57,100 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 18:18:57,100 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:18:57,100 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871405892] [2021-11-13 18:18:57,100 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871405892] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:18:57,100 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:18:57,101 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-11-13 18:18:57,101 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369456763] [2021-11-13 18:18:57,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:18:57,101 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2021-11-13 18:18:57,102 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:18:57,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-11-13 18:18:57,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=783, Unknown=0, NotChecked=0, Total=870 [2021-11-13 18:18:57,108 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 155 out of 239 [2021-11-13 18:18:57,114 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 435 places, 845 transitions, 5727 flow. Second operand has 30 states, 30 states have (on average 157.1) internal successors, (4713), 30 states have internal predecessors, (4713), 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 18:18:57,114 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 18:18:57,114 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 239 [2021-11-13 18:18:57,114 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 18:19:09,026 INFO L129 PetriNetUnfolder]: 10590/20725 cut-off events. [2021-11-13 18:19:09,026 INFO L130 PetriNetUnfolder]: For 82045/82045 co-relation queries the response was YES. [2021-11-13 18:19:09,390 INFO L84 FinitePrefix]: Finished finitePrefix Result has 76563 conditions, 20725 events. 10590/20725 cut-off events. For 82045/82045 co-relation queries the response was YES. Maximal size of possible extension queue 556. Compared 171718 event pairs, 2371 based on Foata normal form. 1/19228 useless extension candidates. Maximal degree in co-relation 76436. Up to 8330 conditions per place. [2021-11-13 18:19:09,710 INFO L132 encePairwiseOnDemand]: 210/239 looper letters, 903 selfloop transitions, 648 changer transitions 20/1694 dead transitions. [2021-11-13 18:19:09,710 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 498 places, 1694 transitions, 16042 flow [2021-11-13 18:19:09,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-11-13 18:19:09,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2021-11-13 18:19:09,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 11147 transitions. [2021-11-13 18:19:09,734 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6858848141767168 [2021-11-13 18:19:09,734 INFO L72 ComplementDD]: Start complementDD. Operand 68 states and 11147 transitions. [2021-11-13 18:19:09,734 INFO L73 IsDeterministic]: Start isDeterministic. Operand 68 states and 11147 transitions. [2021-11-13 18:19:09,739 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 18:19:09,739 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 68 states and 11147 transitions. [2021-11-13 18:19:09,763 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 69 states, 68 states have (on average 163.9264705882353) internal successors, (11147), 68 states have internal predecessors, (11147), 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 18:19:09,789 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 69 states, 69 states have (on average 239.0) internal successors, (16491), 69 states have internal predecessors, (16491), 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 18:19:09,794 INFO L81 ComplementDD]: Finished complementDD. Result has 69 states, 69 states have (on average 239.0) internal successors, (16491), 69 states have internal predecessors, (16491), 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 18:19:09,794 INFO L186 Difference]: Start difference. First operand has 435 places, 845 transitions, 5727 flow. Second operand 68 states and 11147 transitions. [2021-11-13 18:19:09,794 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 498 places, 1694 transitions, 16042 flow [2021-11-13 18:19:10,577 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 493 places, 1694 transitions, 15374 flow, removed 332 selfloop flow, removed 5 redundant places. [2021-11-13 18:19:10,606 INFO L242 Difference]: Finished difference. Result has 524 places, 1330 transitions, 12477 flow [2021-11-13 18:19:10,608 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=5261, PETRI_DIFFERENCE_MINUEND_PLACES=426, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=845, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=232, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=567, PETRI_DIFFERENCE_SUBTRAHEND_STATES=68, PETRI_FLOW=12477, PETRI_PLACES=524, PETRI_TRANSITIONS=1330} [2021-11-13 18:19:10,609 INFO L334 CegarLoopForPetriNet]: 209 programPoint places, 315 predicate places. [2021-11-13 18:19:10,609 INFO L470 AbstractCegarLoop]: Abstraction has has 524 places, 1330 transitions, 12477 flow [2021-11-13 18:19:10,611 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 157.1) internal successors, (4713), 30 states have internal predecessors, (4713), 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 18:19:10,611 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 18:19:10,611 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:19:10,611 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-13 18:19:10,612 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATION, thread1Err6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 7 more)] === [2021-11-13 18:19:10,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:19:10,613 INFO L85 PathProgramCache]: Analyzing trace with hash 1453173552, now seen corresponding path program 8 times [2021-11-13 18:19:10,613 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:19:10,613 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745709139] [2021-11-13 18:19:10,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:19:10,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:19:10,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:19:11,559 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 18:19:11,560 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:19:11,560 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745709139] [2021-11-13 18:19:11,560 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1745709139] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:19:11,560 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:19:11,560 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2021-11-13 18:19:11,561 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379267144] [2021-11-13 18:19:11,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:19:11,561 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-11-13 18:19:11,562 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:19:11,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-11-13 18:19:11,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=501, Unknown=0, NotChecked=0, Total=552 [2021-11-13 18:19:11,568 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 239 [2021-11-13 18:19:11,574 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 524 places, 1330 transitions, 12477 flow. Second operand has 24 states, 24 states have (on average 165.375) internal successors, (3969), 24 states have internal predecessors, (3969), 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 18:19:11,574 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 18:19:11,575 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 239 [2021-11-13 18:19:11,575 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 18:19:23,775 INFO L129 PetriNetUnfolder]: 11520/22257 cut-off events. [2021-11-13 18:19:23,776 INFO L130 PetriNetUnfolder]: For 139374/139426 co-relation queries the response was YES. [2021-11-13 18:19:24,570 INFO L84 FinitePrefix]: Finished finitePrefix Result has 94112 conditions, 22257 events. 11520/22257 cut-off events. For 139374/139426 co-relation queries the response was YES. Maximal size of possible extension queue 629. Compared 186115 event pairs, 2805 based on Foata normal form. 10/20586 useless extension candidates. Maximal degree in co-relation 93946. Up to 9359 conditions per place. [2021-11-13 18:19:24,726 INFO L132 encePairwiseOnDemand]: 216/239 looper letters, 822 selfloop transitions, 1085 changer transitions 20/2064 dead transitions. [2021-11-13 18:19:24,726 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 575 places, 2064 transitions, 23990 flow [2021-11-13 18:19:24,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-11-13 18:19:24,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2021-11-13 18:19:24,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 9392 transitions. [2021-11-13 18:19:24,735 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7144922023583111 [2021-11-13 18:19:24,735 INFO L72 ComplementDD]: Start complementDD. Operand 55 states and 9392 transitions. [2021-11-13 18:19:24,735 INFO L73 IsDeterministic]: Start isDeterministic. Operand 55 states and 9392 transitions. [2021-11-13 18:19:24,739 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 18:19:24,739 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 55 states and 9392 transitions. [2021-11-13 18:19:24,755 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 56 states, 55 states have (on average 170.76363636363635) internal successors, (9392), 55 states have internal predecessors, (9392), 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 18:19:24,770 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 56 states, 56 states have (on average 239.0) internal successors, (13384), 56 states have internal predecessors, (13384), 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 18:19:24,774 INFO L81 ComplementDD]: Finished complementDD. Result has 56 states, 56 states have (on average 239.0) internal successors, (13384), 56 states have internal predecessors, (13384), 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 18:19:24,775 INFO L186 Difference]: Start difference. First operand has 524 places, 1330 transitions, 12477 flow. Second operand 55 states and 9392 transitions. [2021-11-13 18:19:24,775 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 575 places, 2064 transitions, 23990 flow [2021-11-13 18:19:27,106 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 570 places, 2064 transitions, 23026 flow, removed 477 selfloop flow, removed 5 redundant places. [2021-11-13 18:19:27,138 INFO L242 Difference]: Finished difference. Result has 594 places, 1832 transitions, 21496 flow [2021-11-13 18:19:27,140 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=11751, PETRI_DIFFERENCE_MINUEND_PLACES=516, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1330, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=605, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=678, PETRI_DIFFERENCE_SUBTRAHEND_STATES=55, PETRI_FLOW=21496, PETRI_PLACES=594, PETRI_TRANSITIONS=1832} [2021-11-13 18:19:27,141 INFO L334 CegarLoopForPetriNet]: 209 programPoint places, 385 predicate places. [2021-11-13 18:19:27,141 INFO L470 AbstractCegarLoop]: Abstraction has has 594 places, 1832 transitions, 21496 flow [2021-11-13 18:19:27,142 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 165.375) internal successors, (3969), 24 states have internal predecessors, (3969), 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 18:19:27,142 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 18:19:27,143 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:19:27,143 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-13 18:19:27,143 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATION, thread1Err6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 7 more)] === [2021-11-13 18:19:27,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:19:27,143 INFO L85 PathProgramCache]: Analyzing trace with hash -863443694, now seen corresponding path program 9 times [2021-11-13 18:19:27,143 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:19:27,143 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430541371] [2021-11-13 18:19:27,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:19:27,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:19:27,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:19:28,854 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 18:19:28,855 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:19:28,855 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430541371] [2021-11-13 18:19:28,855 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1430541371] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:19:28,856 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:19:28,856 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2021-11-13 18:19:28,856 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624390193] [2021-11-13 18:19:28,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:19:28,857 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2021-11-13 18:19:28,857 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:19:28,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-11-13 18:19:28,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=629, Unknown=0, NotChecked=0, Total=702 [2021-11-13 18:19:28,865 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 239 [2021-11-13 18:19:28,871 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 594 places, 1832 transitions, 21496 flow. Second operand has 27 states, 27 states have (on average 161.22222222222223) internal successors, (4353), 27 states have internal predecessors, (4353), 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 18:19:28,871 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 18:19:28,872 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 239 [2021-11-13 18:19:28,872 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 18:19:46,934 INFO L129 PetriNetUnfolder]: 13019/25180 cut-off events. [2021-11-13 18:19:46,935 INFO L130 PetriNetUnfolder]: For 200327/200348 co-relation queries the response was YES. [2021-11-13 18:19:47,686 INFO L84 FinitePrefix]: Finished finitePrefix Result has 114348 conditions, 25180 events. 13019/25180 cut-off events. For 200327/200348 co-relation queries the response was YES. Maximal size of possible extension queue 718. Compared 214579 event pairs, 2707 based on Foata normal form. 18/23384 useless extension candidates. Maximal degree in co-relation 114150. Up to 10871 conditions per place. [2021-11-13 18:19:48,135 INFO L132 encePairwiseOnDemand]: 213/239 looper letters, 1076 selfloop transitions, 1163 changer transitions 20/2391 dead transitions. [2021-11-13 18:19:48,135 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 650 places, 2391 transitions, 31375 flow [2021-11-13 18:19:48,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-11-13 18:19:48,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2021-11-13 18:19:48,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 10255 transitions. [2021-11-13 18:19:48,147 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7034090129638522 [2021-11-13 18:19:48,148 INFO L72 ComplementDD]: Start complementDD. Operand 61 states and 10255 transitions. [2021-11-13 18:19:48,148 INFO L73 IsDeterministic]: Start isDeterministic. Operand 61 states and 10255 transitions. [2021-11-13 18:19:48,152 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 18:19:48,152 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 61 states and 10255 transitions. [2021-11-13 18:19:48,168 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 62 states, 61 states have (on average 168.11475409836066) internal successors, (10255), 61 states have internal predecessors, (10255), 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 18:19:48,184 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 62 states, 62 states have (on average 239.0) internal successors, (14818), 62 states have internal predecessors, (14818), 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 18:19:48,188 INFO L81 ComplementDD]: Finished complementDD. Result has 62 states, 62 states have (on average 239.0) internal successors, (14818), 62 states have internal predecessors, (14818), 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 18:19:48,188 INFO L186 Difference]: Start difference. First operand has 594 places, 1832 transitions, 21496 flow. Second operand 61 states and 10255 transitions. [2021-11-13 18:19:48,188 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 650 places, 2391 transitions, 31375 flow [2021-11-13 18:19:50,925 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 644 places, 2391 transitions, 30405 flow, removed 453 selfloop flow, removed 6 redundant places. [2021-11-13 18:19:50,979 INFO L242 Difference]: Finished difference. Result has 665 places, 2065 transitions, 26487 flow [2021-11-13 18:19:50,982 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=20599, PETRI_DIFFERENCE_MINUEND_PLACES=584, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1832, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=945, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=876, PETRI_DIFFERENCE_SUBTRAHEND_STATES=61, PETRI_FLOW=26487, PETRI_PLACES=665, PETRI_TRANSITIONS=2065} [2021-11-13 18:19:50,983 INFO L334 CegarLoopForPetriNet]: 209 programPoint places, 456 predicate places. [2021-11-13 18:19:50,983 INFO L470 AbstractCegarLoop]: Abstraction has has 665 places, 2065 transitions, 26487 flow [2021-11-13 18:19:50,984 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 161.22222222222223) internal successors, (4353), 27 states have internal predecessors, (4353), 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 18:19:50,984 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 18:19:50,985 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:19:50,985 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-13 18:19:50,985 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err3INUSE_VIOLATION, thread1Err6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 7 more)] === [2021-11-13 18:19:50,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:19:50,986 INFO L85 PathProgramCache]: Analyzing trace with hash -488152404, now seen corresponding path program 10 times [2021-11-13 18:19:50,986 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:19:50,987 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342668630] [2021-11-13 18:19:50,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:19:50,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:19:51,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:19:52,373 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 18:19:52,374 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:19:52,374 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342668630] [2021-11-13 18:19:52,374 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342668630] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:19:52,375 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:19:52,375 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-11-13 18:19:52,375 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738843957] [2021-11-13 18:19:52,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:19:52,376 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2021-11-13 18:19:52,376 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:19:52,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-11-13 18:19:52,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=774, Unknown=0, NotChecked=0, Total=870 [2021-11-13 18:19:52,384 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 155 out of 239 [2021-11-13 18:19:52,389 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 665 places, 2065 transitions, 26487 flow. Second operand has 30 states, 30 states have (on average 157.1) internal successors, (4713), 30 states have internal predecessors, (4713), 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 18:19:52,389 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 18:19:52,390 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 239 [2021-11-13 18:19:52,390 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand