./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe016_rmo.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566b8a4d-77d7-4f27-9da2-ac6cf77d14ff/bin/uautomizer-ZXIjhQolGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566b8a4d-77d7-4f27-9da2-ac6cf77d14ff/bin/uautomizer-ZXIjhQolGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566b8a4d-77d7-4f27-9da2-ac6cf77d14ff/bin/uautomizer-ZXIjhQolGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566b8a4d-77d7-4f27-9da2-ac6cf77d14ff/bin/uautomizer-ZXIjhQolGL/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe016_rmo.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566b8a4d-77d7-4f27-9da2-ac6cf77d14ff/bin/uautomizer-ZXIjhQolGL/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566b8a4d-77d7-4f27-9da2-ac6cf77d14ff/bin/uautomizer-ZXIjhQolGL --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 ef808fc1470b7509ff56eb59d7d443a24f9bd367b94a6fd316176ae1cba1f1f6 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 04:49:10,816 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 04:49:10,820 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 04:49:10,886 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 04:49:10,887 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 04:49:10,889 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 04:49:10,891 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 04:49:10,894 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 04:49:10,897 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 04:49:10,898 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 04:49:10,900 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 04:49:10,902 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 04:49:10,903 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 04:49:10,904 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 04:49:10,906 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 04:49:10,909 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 04:49:10,910 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 04:49:10,912 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 04:49:10,915 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 04:49:10,918 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 04:49:10,921 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 04:49:10,923 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 04:49:10,925 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 04:49:10,926 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 04:49:10,931 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 04:49:10,932 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 04:49:10,932 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 04:49:10,934 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 04:49:10,935 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 04:49:10,936 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 04:49:10,937 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 04:49:10,938 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 04:49:10,939 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 04:49:10,941 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 04:49:10,942 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 04:49:10,943 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 04:49:10,944 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 04:49:10,945 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 04:49:10,945 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 04:49:10,947 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 04:49:10,948 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 04:49:10,949 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566b8a4d-77d7-4f27-9da2-ac6cf77d14ff/bin/uautomizer-ZXIjhQolGL/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-19 04:49:10,984 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 04:49:10,985 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 04:49:10,985 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-19 04:49:10,986 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-19 04:49:10,987 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 04:49:10,987 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 04:49:10,989 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-19 04:49:10,989 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-19 04:49:10,990 INFO L138 SettingsManager]: * Use SBE=true [2021-11-19 04:49:10,990 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 04:49:10,991 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 04:49:10,997 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 04:49:10,997 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 04:49:10,998 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 04:49:10,998 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 04:49:10,999 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 04:49:10,999 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 04:49:11,000 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 04:49:11,000 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 04:49:11,001 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 04:49:11,001 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 04:49:11,002 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 04:49:11,002 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 04:49:11,003 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 04:49:11,004 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 04:49:11,005 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 04:49:11,005 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 04:49:11,006 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 04:49:11,007 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-19 04:49:11,008 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 04:49:11,008 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-19 04:49:11,010 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-19 04:49:11,010 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 04:49:11,011 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 04:49:11,011 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_566b8a4d-77d7-4f27-9da2-ac6cf77d14ff/bin/uautomizer-ZXIjhQolGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566b8a4d-77d7-4f27-9da2-ac6cf77d14ff/bin/uautomizer-ZXIjhQolGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ef808fc1470b7509ff56eb59d7d443a24f9bd367b94a6fd316176ae1cba1f1f6 [2021-11-19 04:49:11,331 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 04:49:11,375 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 04:49:11,378 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 04:49:11,379 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 04:49:11,380 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 04:49:11,383 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566b8a4d-77d7-4f27-9da2-ac6cf77d14ff/bin/uautomizer-ZXIjhQolGL/../../sv-benchmarks/c/pthread-wmm/safe016_rmo.oepc.i [2021-11-19 04:49:11,471 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566b8a4d-77d7-4f27-9da2-ac6cf77d14ff/bin/uautomizer-ZXIjhQolGL/data/b77db82d1/d60359d349794df2863816b41697447d/FLAGaff8ea408 [2021-11-19 04:49:12,270 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 04:49:12,270 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566b8a4d-77d7-4f27-9da2-ac6cf77d14ff/sv-benchmarks/c/pthread-wmm/safe016_rmo.oepc.i [2021-11-19 04:49:12,294 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566b8a4d-77d7-4f27-9da2-ac6cf77d14ff/bin/uautomizer-ZXIjhQolGL/data/b77db82d1/d60359d349794df2863816b41697447d/FLAGaff8ea408 [2021-11-19 04:49:12,458 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566b8a4d-77d7-4f27-9da2-ac6cf77d14ff/bin/uautomizer-ZXIjhQolGL/data/b77db82d1/d60359d349794df2863816b41697447d [2021-11-19 04:49:12,462 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 04:49:12,463 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 04:49:12,468 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 04:49:12,468 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 04:49:12,472 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 04:49:12,473 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:49:12" (1/1) ... [2021-11-19 04:49:12,474 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3905d2d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:49:12, skipping insertion in model container [2021-11-19 04:49:12,474 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:49:12" (1/1) ... [2021-11-19 04:49:12,482 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 04:49:12,541 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 04:49:12,740 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566b8a4d-77d7-4f27-9da2-ac6cf77d14ff/sv-benchmarks/c/pthread-wmm/safe016_rmo.oepc.i[993,1006] [2021-11-19 04:49:13,037 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 04:49:13,047 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 04:49:13,063 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566b8a4d-77d7-4f27-9da2-ac6cf77d14ff/sv-benchmarks/c/pthread-wmm/safe016_rmo.oepc.i[993,1006] [2021-11-19 04:49:13,135 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 04:49:13,183 INFO L208 MainTranslator]: Completed translation [2021-11-19 04:49:13,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:49:13 WrapperNode [2021-11-19 04:49:13,184 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 04:49:13,185 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 04:49:13,186 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 04:49:13,186 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 04:49:13,198 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:49:13" (1/1) ... [2021-11-19 04:49:13,229 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:49:13" (1/1) ... [2021-11-19 04:49:13,275 INFO L137 Inliner]: procedures = 177, calls = 85, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 276 [2021-11-19 04:49:13,275 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 04:49:13,276 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 04:49:13,276 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 04:49:13,277 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 04:49:13,288 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:49:13" (1/1) ... [2021-11-19 04:49:13,288 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:49:13" (1/1) ... [2021-11-19 04:49:13,296 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:49:13" (1/1) ... [2021-11-19 04:49:13,297 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:49:13" (1/1) ... [2021-11-19 04:49:13,319 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:49:13" (1/1) ... [2021-11-19 04:49:13,327 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:49:13" (1/1) ... [2021-11-19 04:49:13,333 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:49:13" (1/1) ... [2021-11-19 04:49:13,341 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 04:49:13,342 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 04:49:13,342 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 04:49:13,343 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 04:49:13,344 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:49:13" (1/1) ... [2021-11-19 04:49:13,352 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 04:49:13,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566b8a4d-77d7-4f27-9da2-ac6cf77d14ff/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:49:13,397 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566b8a4d-77d7-4f27-9da2-ac6cf77d14ff/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 04:49:13,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_566b8a4d-77d7-4f27-9da2-ac6cf77d14ff/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 04:49:13,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-19 04:49:13,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-19 04:49:13,482 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-19 04:49:13,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 04:49:13,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 04:49:13,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 04:49:13,484 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-19 04:49:13,485 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-19 04:49:13,485 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-19 04:49:13,485 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-19 04:49:13,486 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-11-19 04:49:13,486 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-11-19 04:49:13,486 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-11-19 04:49:13,486 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-11-19 04:49:13,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-19 04:49:13,490 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-19 04:49:13,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 04:49:13,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 04:49:13,493 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-19 04:49:13,649 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 04:49:13,650 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 04:49:14,532 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 04:49:15,177 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 04:49:15,178 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-19 04:49:15,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:49:15 BoogieIcfgContainer [2021-11-19 04:49:15,181 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 04:49:15,187 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 04:49:15,187 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 04:49:15,191 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 04:49:15,192 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:49:12" (1/3) ... [2021-11-19 04:49:15,193 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f78e3ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:49:15, skipping insertion in model container [2021-11-19 04:49:15,193 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:49:13" (2/3) ... [2021-11-19 04:49:15,194 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f78e3ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:49:15, skipping insertion in model container [2021-11-19 04:49:15,194 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:49:15" (3/3) ... [2021-11-19 04:49:15,195 INFO L111 eAbstractionObserver]: Analyzing ICFG safe016_rmo.oepc.i [2021-11-19 04:49:15,202 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-19 04:49:15,202 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 04:49:15,203 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-19 04:49:15,203 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-19 04:49:15,270 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,270 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,271 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,271 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,272 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,272 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,272 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,273 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,274 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,274 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,274 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,274 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,275 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,275 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,275 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,276 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,276 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,276 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,277 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,277 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,277 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,278 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,278 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,278 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,278 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,279 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,279 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,279 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,279 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,279 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,279 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,280 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,280 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,280 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,280 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,280 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,281 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,281 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,281 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,281 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,282 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,282 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,282 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,282 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,282 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,282 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,283 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,283 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,283 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,283 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,283 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,284 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,285 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,285 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,286 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,286 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,286 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,286 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,286 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,286 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,287 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,287 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,287 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,287 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,288 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,288 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,288 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,288 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,288 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,289 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,289 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,289 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,289 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,289 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,290 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,290 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,291 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,293 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,293 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,294 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,294 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,294 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,295 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,295 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,295 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,295 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,301 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,302 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,302 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,302 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,302 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,302 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,302 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,302 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,303 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,303 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,305 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,305 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,305 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,305 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,306 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,306 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,306 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,306 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,306 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,307 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,307 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,307 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,307 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,307 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,307 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,307 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,308 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,308 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,308 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,308 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,308 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,308 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,309 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,309 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,309 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,309 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,309 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,309 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,310 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,310 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,310 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,310 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,310 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,311 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,311 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,311 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,311 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,312 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,312 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,312 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,312 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,312 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,313 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,313 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,313 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,313 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,313 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,314 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,314 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,315 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,315 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,315 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,315 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,315 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,317 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,317 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,318 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,318 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,318 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,318 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,318 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,318 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,318 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,346 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,346 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,346 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,346 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,347 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,347 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,347 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,347 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,347 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,348 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,348 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,348 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,348 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,353 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,354 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,354 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,354 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,354 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,354 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,355 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,355 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,355 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,355 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,355 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,356 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,356 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,357 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,357 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,357 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,357 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,357 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,357 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,358 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,358 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,358 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,358 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,358 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,359 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,359 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,359 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,359 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,359 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,359 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,360 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,360 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,360 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,360 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,360 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,361 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,361 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,361 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,361 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,361 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,361 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,362 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,362 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,363 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,363 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,363 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,366 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,366 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,366 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,366 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,366 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,366 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,367 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,367 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,367 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,368 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,368 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 04:49:15,368 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-19 04:49:15,432 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 04:49:15,450 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 [2021-11-19 04:49:15,450 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-11-19 04:49:15,471 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 159 places, 148 transitions, 316 flow [2021-11-19 04:49:15,569 INFO L129 PetriNetUnfolder]: 2/144 cut-off events. [2021-11-19 04:49:15,569 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-19 04:49:15,574 INFO L84 FinitePrefix]: Finished finitePrefix Result has 157 conditions, 144 events. 2/144 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 58 event pairs, 0 based on Foata normal form. 0/141 useless extension candidates. Maximal degree in co-relation 86. Up to 2 conditions per place. [2021-11-19 04:49:15,574 INFO L82 GeneralOperation]: Start removeDead. Operand has 159 places, 148 transitions, 316 flow [2021-11-19 04:49:15,585 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 140 places, 128 transitions, 268 flow [2021-11-19 04:49:15,649 INFO L129 PetriNetUnfolder]: 1/127 cut-off events. [2021-11-19 04:49:15,649 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-19 04:49:15,649 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-19 04:49:15,651 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] [2021-11-19 04:49:15,651 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-19 04:49:15,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:49:15,659 INFO L85 PathProgramCache]: Analyzing trace with hash -459523810, now seen corresponding path program 1 times [2021-11-19 04:49:15,668 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:49:15,669 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078895000] [2021-11-19 04:49:15,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:49:15,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:49:16,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:49:16,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:49:16,491 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:49:16,492 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078895000] [2021-11-19 04:49:16,492 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1078895000] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:49:16,492 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:49:16,493 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-19 04:49:16,496 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200278201] [2021-11-19 04:49:16,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:49:16,508 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 04:49:16,509 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:49:16,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 04:49:16,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-19 04:49:16,557 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 148 [2021-11-19 04:49:16,569 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 140 places, 128 transitions, 268 flow. Second operand has 6 states, 6 states have (on average 130.0) internal successors, (780), 6 states have internal predecessors, (780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:49:16,570 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-19 04:49:16,570 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 148 [2021-11-19 04:49:16,571 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-19 04:49:17,206 INFO L129 PetriNetUnfolder]: 170/529 cut-off events. [2021-11-19 04:49:17,206 INFO L130 PetriNetUnfolder]: For 11/11 co-relation queries the response was YES. [2021-11-19 04:49:17,214 INFO L84 FinitePrefix]: Finished finitePrefix Result has 851 conditions, 529 events. 170/529 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 2380 event pairs, 60 based on Foata normal form. 15/523 useless extension candidates. Maximal degree in co-relation 776. Up to 151 conditions per place. [2021-11-19 04:49:17,221 INFO L132 encePairwiseOnDemand]: 141/148 looper letters, 18 selfloop transitions, 2 changer transitions 25/156 dead transitions. [2021-11-19 04:49:17,221 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 148 places, 156 transitions, 417 flow [2021-11-19 04:49:17,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 04:49:17,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-11-19 04:49:17,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1201 transitions. [2021-11-19 04:49:17,254 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9016516516516516 [2021-11-19 04:49:17,255 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1201 transitions. [2021-11-19 04:49:17,256 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1201 transitions. [2021-11-19 04:49:17,262 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-19 04:49:17,265 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1201 transitions. [2021-11-19 04:49:17,274 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 133.44444444444446) internal successors, (1201), 9 states have internal predecessors, (1201), 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) [2021-11-19 04:49:17,287 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 148.0) internal successors, (1480), 10 states have internal predecessors, (1480), 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) [2021-11-19 04:49:17,289 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 148.0) internal successors, (1480), 10 states have internal predecessors, (1480), 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) [2021-11-19 04:49:17,291 INFO L186 Difference]: Start difference. First operand has 140 places, 128 transitions, 268 flow. Second operand 9 states and 1201 transitions. [2021-11-19 04:49:17,293 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 148 places, 156 transitions, 417 flow [2021-11-19 04:49:17,298 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 144 places, 156 transitions, 412 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-11-19 04:49:17,304 INFO L242 Difference]: Finished difference. Result has 151 places, 127 transitions, 282 flow [2021-11-19 04:49:17,306 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=148, PETRI_DIFFERENCE_MINUEND_FLOW=262, PETRI_DIFFERENCE_MINUEND_PLACES=136, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=125, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=282, PETRI_PLACES=151, PETRI_TRANSITIONS=127} [2021-11-19 04:49:17,311 INFO L334 CegarLoopForPetriNet]: 140 programPoint places, 11 predicate places. [2021-11-19 04:49:17,312 INFO L470 AbstractCegarLoop]: Abstraction has has 151 places, 127 transitions, 282 flow [2021-11-19 04:49:17,313 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 130.0) internal successors, (780), 6 states have internal predecessors, (780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:49:17,313 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-19 04:49:17,313 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:49:17,314 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-19 04:49:17,314 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-19 04:49:17,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:49:17,315 INFO L85 PathProgramCache]: Analyzing trace with hash -980872641, now seen corresponding path program 1 times [2021-11-19 04:49:17,315 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:49:17,316 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328618865] [2021-11-19 04:49:17,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:49:17,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:49:17,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:49:17,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:49:17,842 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:49:17,843 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328618865] [2021-11-19 04:49:17,843 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [328618865] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:49:17,843 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:49:17,844 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-19 04:49:17,844 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858377484] [2021-11-19 04:49:17,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:49:17,846 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-19 04:49:17,846 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:49:17,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-19 04:49:17,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-19 04:49:17,851 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 125 out of 148 [2021-11-19 04:49:17,853 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 151 places, 127 transitions, 282 flow. Second operand has 7 states, 7 states have (on average 127.0) internal successors, (889), 7 states have internal predecessors, (889), 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) [2021-11-19 04:49:17,854 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-19 04:49:17,854 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 125 of 148 [2021-11-19 04:49:17,854 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-19 04:49:18,709 INFO L129 PetriNetUnfolder]: 573/1440 cut-off events. [2021-11-19 04:49:18,709 INFO L130 PetriNetUnfolder]: For 256/256 co-relation queries the response was YES. [2021-11-19 04:49:18,716 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2706 conditions, 1440 events. 573/1440 cut-off events. For 256/256 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 9171 event pairs, 103 based on Foata normal form. 24/1393 useless extension candidates. Maximal degree in co-relation 2625. Up to 331 conditions per place. [2021-11-19 04:49:18,724 INFO L132 encePairwiseOnDemand]: 139/148 looper letters, 28 selfloop transitions, 5 changer transitions 41/182 dead transitions. [2021-11-19 04:49:18,724 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 154 places, 182 transitions, 571 flow [2021-11-19 04:49:18,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-19 04:49:18,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-11-19 04:49:18,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1326 transitions. [2021-11-19 04:49:18,730 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8959459459459459 [2021-11-19 04:49:18,730 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1326 transitions. [2021-11-19 04:49:18,730 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1326 transitions. [2021-11-19 04:49:18,731 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-19 04:49:18,735 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1326 transitions. [2021-11-19 04:49:18,739 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 132.6) internal successors, (1326), 10 states have internal predecessors, (1326), 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) [2021-11-19 04:49:18,744 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 148.0) internal successors, (1628), 11 states have internal predecessors, (1628), 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) [2021-11-19 04:49:18,745 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 148.0) internal successors, (1628), 11 states have internal predecessors, (1628), 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) [2021-11-19 04:49:18,746 INFO L186 Difference]: Start difference. First operand has 151 places, 127 transitions, 282 flow. Second operand 10 states and 1326 transitions. [2021-11-19 04:49:18,746 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 154 places, 182 transitions, 571 flow [2021-11-19 04:49:18,760 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 146 places, 182 transitions, 537 flow, removed 14 selfloop flow, removed 8 redundant places. [2021-11-19 04:49:18,766 INFO L242 Difference]: Finished difference. Result has 154 places, 129 transitions, 320 flow [2021-11-19 04:49:18,767 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=148, PETRI_DIFFERENCE_MINUEND_FLOW=266, PETRI_DIFFERENCE_MINUEND_PLACES=137, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=122, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=320, PETRI_PLACES=154, PETRI_TRANSITIONS=129} [2021-11-19 04:49:18,769 INFO L334 CegarLoopForPetriNet]: 140 programPoint places, 14 predicate places. [2021-11-19 04:49:18,769 INFO L470 AbstractCegarLoop]: Abstraction has has 154 places, 129 transitions, 320 flow [2021-11-19 04:49:18,770 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 127.0) internal successors, (889), 7 states have internal predecessors, (889), 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) [2021-11-19 04:49:18,770 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-19 04:49:18,770 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] [2021-11-19 04:49:18,771 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-19 04:49:18,772 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-19 04:49:18,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:49:18,772 INFO L85 PathProgramCache]: Analyzing trace with hash 1734466876, now seen corresponding path program 1 times [2021-11-19 04:49:18,773 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:49:18,773 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183920567] [2021-11-19 04:49:18,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:49:18,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:49:18,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:49:20,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:49:20,192 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:49:20,193 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183920567] [2021-11-19 04:49:20,193 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183920567] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:49:20,193 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:49:20,193 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2021-11-19 04:49:20,194 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816211470] [2021-11-19 04:49:20,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:49:20,194 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-11-19 04:49:20,195 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:49:20,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-11-19 04:49:20,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=315, Unknown=0, NotChecked=0, Total=420 [2021-11-19 04:49:20,200 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 94 out of 148 [2021-11-19 04:49:20,204 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 154 places, 129 transitions, 320 flow. Second operand has 21 states, 21 states have (on average 95.71428571428571) internal successors, (2010), 21 states have internal predecessors, (2010), 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) [2021-11-19 04:49:20,204 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-19 04:49:20,204 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 94 of 148 [2021-11-19 04:49:20,205 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-19 04:49:22,428 INFO L129 PetriNetUnfolder]: 1091/2525 cut-off events. [2021-11-19 04:49:22,429 INFO L130 PetriNetUnfolder]: For 3295/3295 co-relation queries the response was YES. [2021-11-19 04:49:22,442 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6377 conditions, 2525 events. 1091/2525 cut-off events. For 3295/3295 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 16741 event pairs, 263 based on Foata normal form. 46/2479 useless extension candidates. Maximal degree in co-relation 6277. Up to 730 conditions per place. [2021-11-19 04:49:22,461 INFO L132 encePairwiseOnDemand]: 127/148 looper letters, 69 selfloop transitions, 28 changer transitions 68/250 dead transitions. [2021-11-19 04:49:22,462 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 175 places, 250 transitions, 1054 flow [2021-11-19 04:49:22,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-11-19 04:49:22,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2021-11-19 04:49:22,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 2797 transitions. [2021-11-19 04:49:22,472 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6749517374517374 [2021-11-19 04:49:22,473 INFO L72 ComplementDD]: Start complementDD. Operand 28 states and 2797 transitions. [2021-11-19 04:49:22,473 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 2797 transitions. [2021-11-19 04:49:22,475 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-19 04:49:22,475 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 28 states and 2797 transitions. [2021-11-19 04:49:22,483 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 29 states, 28 states have (on average 99.89285714285714) internal successors, (2797), 28 states have internal predecessors, (2797), 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) [2021-11-19 04:49:22,494 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 29 states, 29 states have (on average 148.0) internal successors, (4292), 29 states have internal predecessors, (4292), 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) [2021-11-19 04:49:22,496 INFO L81 ComplementDD]: Finished complementDD. Result has 29 states, 29 states have (on average 148.0) internal successors, (4292), 29 states have internal predecessors, (4292), 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) [2021-11-19 04:49:22,497 INFO L186 Difference]: Start difference. First operand has 154 places, 129 transitions, 320 flow. Second operand 28 states and 2797 transitions. [2021-11-19 04:49:22,497 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 175 places, 250 transitions, 1054 flow [2021-11-19 04:49:22,518 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 170 places, 250 transitions, 1004 flow, removed 15 selfloop flow, removed 5 redundant places. [2021-11-19 04:49:22,522 INFO L242 Difference]: Finished difference. Result has 189 places, 147 transitions, 507 flow [2021-11-19 04:49:22,523 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=148, PETRI_DIFFERENCE_MINUEND_FLOW=305, PETRI_DIFFERENCE_MINUEND_PLACES=143, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=507, PETRI_PLACES=189, PETRI_TRANSITIONS=147} [2021-11-19 04:49:22,524 INFO L334 CegarLoopForPetriNet]: 140 programPoint places, 49 predicate places. [2021-11-19 04:49:22,524 INFO L470 AbstractCegarLoop]: Abstraction has has 189 places, 147 transitions, 507 flow [2021-11-19 04:49:22,525 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 95.71428571428571) internal successors, (2010), 21 states have internal predecessors, (2010), 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) [2021-11-19 04:49:22,525 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-19 04:49:22,526 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] [2021-11-19 04:49:22,526 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-19 04:49:22,526 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-19 04:49:22,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:49:22,527 INFO L85 PathProgramCache]: Analyzing trace with hash 898103394, now seen corresponding path program 1 times [2021-11-19 04:49:22,527 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:49:22,527 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661041401] [2021-11-19 04:49:22,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:49:22,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:49:22,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:49:22,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:49:22,716 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:49:22,716 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661041401] [2021-11-19 04:49:22,716 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [661041401] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:49:22,717 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:49:22,717 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-19 04:49:22,717 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839639186] [2021-11-19 04:49:22,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:49:22,718 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-19 04:49:22,719 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:49:22,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-19 04:49:22,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-19 04:49:22,724 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 125 out of 148 [2021-11-19 04:49:22,726 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 189 places, 147 transitions, 507 flow. Second operand has 7 states, 7 states have (on average 127.28571428571429) internal successors, (891), 7 states have internal predecessors, (891), 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) [2021-11-19 04:49:22,726 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-19 04:49:22,726 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 125 of 148 [2021-11-19 04:49:22,726 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-19 04:49:23,733 INFO L129 PetriNetUnfolder]: 779/2374 cut-off events. [2021-11-19 04:49:23,733 INFO L130 PetriNetUnfolder]: For 6634/6816 co-relation queries the response was YES. [2021-11-19 04:49:23,758 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6802 conditions, 2374 events. 779/2374 cut-off events. For 6634/6816 co-relation queries the response was YES. Maximal size of possible extension queue 144. Compared 18996 event pairs, 290 based on Foata normal form. 56/2218 useless extension candidates. Maximal degree in co-relation 6692. Up to 447 conditions per place. [2021-11-19 04:49:23,774 INFO L132 encePairwiseOnDemand]: 141/148 looper letters, 40 selfloop transitions, 6 changer transitions 40/203 dead transitions. [2021-11-19 04:49:23,775 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 190 places, 203 transitions, 976 flow [2021-11-19 04:49:23,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-19 04:49:23,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-11-19 04:49:23,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1826 transitions. [2021-11-19 04:49:23,782 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8812741312741312 [2021-11-19 04:49:23,783 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 1826 transitions. [2021-11-19 04:49:23,783 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 1826 transitions. [2021-11-19 04:49:23,785 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-19 04:49:23,785 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 1826 transitions. [2021-11-19 04:49:23,792 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 130.42857142857142) internal successors, (1826), 14 states have internal predecessors, (1826), 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) [2021-11-19 04:49:23,799 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 148.0) internal successors, (2220), 15 states have internal predecessors, (2220), 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) [2021-11-19 04:49:23,802 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 148.0) internal successors, (2220), 15 states have internal predecessors, (2220), 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) [2021-11-19 04:49:23,802 INFO L186 Difference]: Start difference. First operand has 189 places, 147 transitions, 507 flow. Second operand 14 states and 1826 transitions. [2021-11-19 04:49:23,802 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 190 places, 203 transitions, 976 flow [2021-11-19 04:49:23,830 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 174 places, 203 transitions, 876 flow, removed 41 selfloop flow, removed 16 redundant places. [2021-11-19 04:49:23,835 INFO L242 Difference]: Finished difference. Result has 186 places, 150 transitions, 549 flow [2021-11-19 04:49:23,836 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=148, PETRI_DIFFERENCE_MINUEND_FLOW=472, PETRI_DIFFERENCE_MINUEND_PLACES=161, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=147, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=141, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=549, PETRI_PLACES=186, PETRI_TRANSITIONS=150} [2021-11-19 04:49:23,837 INFO L334 CegarLoopForPetriNet]: 140 programPoint places, 46 predicate places. [2021-11-19 04:49:23,838 INFO L470 AbstractCegarLoop]: Abstraction has has 186 places, 150 transitions, 549 flow [2021-11-19 04:49:23,838 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 127.28571428571429) internal successors, (891), 7 states have internal predecessors, (891), 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) [2021-11-19 04:49:23,839 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-19 04:49:23,839 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] [2021-11-19 04:49:23,839 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-19 04:49:23,839 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-19 04:49:23,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:49:23,840 INFO L85 PathProgramCache]: Analyzing trace with hash -2138407551, now seen corresponding path program 1 times [2021-11-19 04:49:23,841 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:49:23,842 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845642233] [2021-11-19 04:49:23,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:49:23,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:49:23,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:49:24,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:49:24,876 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:49:24,876 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845642233] [2021-11-19 04:49:24,876 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845642233] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:49:24,876 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:49:24,877 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2021-11-19 04:49:24,877 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546131324] [2021-11-19 04:49:24,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:49:24,877 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-11-19 04:49:24,878 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:49:24,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-11-19 04:49:24,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=330, Unknown=0, NotChecked=0, Total=420 [2021-11-19 04:49:24,881 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 148 [2021-11-19 04:49:24,885 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 186 places, 150 transitions, 549 flow. Second operand has 21 states, 21 states have (on average 96.71428571428571) internal successors, (2031), 21 states have internal predecessors, (2031), 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) [2021-11-19 04:49:24,885 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-19 04:49:24,885 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 148 [2021-11-19 04:49:24,886 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-19 04:49:26,932 INFO L129 PetriNetUnfolder]: 894/2545 cut-off events. [2021-11-19 04:49:26,932 INFO L130 PetriNetUnfolder]: For 9690/9726 co-relation queries the response was YES. [2021-11-19 04:49:26,955 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8104 conditions, 2545 events. 894/2545 cut-off events. For 9690/9726 co-relation queries the response was YES. Maximal size of possible extension queue 120. Compared 19550 event pairs, 291 based on Foata normal form. 35/2457 useless extension candidates. Maximal degree in co-relation 7983. Up to 1027 conditions per place. [2021-11-19 04:49:26,975 INFO L132 encePairwiseOnDemand]: 129/148 looper letters, 60 selfloop transitions, 34 changer transitions 53/233 dead transitions. [2021-11-19 04:49:26,975 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 201 places, 233 transitions, 1573 flow [2021-11-19 04:49:26,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-11-19 04:49:26,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2021-11-19 04:49:26,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 2498 transitions. [2021-11-19 04:49:26,986 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6751351351351351 [2021-11-19 04:49:26,987 INFO L72 ComplementDD]: Start complementDD. Operand 25 states and 2498 transitions. [2021-11-19 04:49:26,987 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 2498 transitions. [2021-11-19 04:49:26,989 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-19 04:49:26,990 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 25 states and 2498 transitions. [2021-11-19 04:49:26,998 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 26 states, 25 states have (on average 99.92) internal successors, (2498), 25 states have internal predecessors, (2498), 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) [2021-11-19 04:49:27,008 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 26 states, 26 states have (on average 148.0) internal successors, (3848), 26 states have internal predecessors, (3848), 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) [2021-11-19 04:49:27,011 INFO L81 ComplementDD]: Finished complementDD. Result has 26 states, 26 states have (on average 148.0) internal successors, (3848), 26 states have internal predecessors, (3848), 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) [2021-11-19 04:49:27,011 INFO L186 Difference]: Start difference. First operand has 186 places, 150 transitions, 549 flow. Second operand 25 states and 2498 transitions. [2021-11-19 04:49:27,011 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 201 places, 233 transitions, 1573 flow [2021-11-19 04:49:27,041 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 191 places, 233 transitions, 1464 flow, removed 45 selfloop flow, removed 10 redundant places. [2021-11-19 04:49:27,046 INFO L242 Difference]: Finished difference. Result has 203 places, 162 transitions, 730 flow [2021-11-19 04:49:27,046 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=148, PETRI_DIFFERENCE_MINUEND_FLOW=514, PETRI_DIFFERENCE_MINUEND_PLACES=167, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=150, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=24, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=126, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=730, PETRI_PLACES=203, PETRI_TRANSITIONS=162} [2021-11-19 04:49:27,047 INFO L334 CegarLoopForPetriNet]: 140 programPoint places, 63 predicate places. [2021-11-19 04:49:27,048 INFO L470 AbstractCegarLoop]: Abstraction has has 203 places, 162 transitions, 730 flow [2021-11-19 04:49:27,049 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 96.71428571428571) internal successors, (2031), 21 states have internal predecessors, (2031), 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) [2021-11-19 04:49:27,049 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-19 04:49:27,050 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:49:27,050 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-19 04:49:27,050 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-19 04:49:27,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:49:27,051 INFO L85 PathProgramCache]: Analyzing trace with hash -896398014, now seen corresponding path program 1 times [2021-11-19 04:49:27,051 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:49:27,051 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21505164] [2021-11-19 04:49:27,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:49:27,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:49:27,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:49:27,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:49:27,969 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:49:27,969 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21505164] [2021-11-19 04:49:27,969 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21505164] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:49:27,969 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:49:27,970 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-11-19 04:49:27,970 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831568057] [2021-11-19 04:49:27,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:49:27,970 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-11-19 04:49:27,970 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:49:27,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-11-19 04:49:27,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=296, Unknown=0, NotChecked=0, Total=380 [2021-11-19 04:49:27,974 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 148 [2021-11-19 04:49:27,977 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 203 places, 162 transitions, 730 flow. Second operand has 20 states, 20 states have (on average 96.9) internal successors, (1938), 20 states have internal predecessors, (1938), 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) [2021-11-19 04:49:27,977 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-19 04:49:27,978 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 148 [2021-11-19 04:49:27,978 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-19 04:49:29,840 INFO L129 PetriNetUnfolder]: 850/2305 cut-off events. [2021-11-19 04:49:29,840 INFO L130 PetriNetUnfolder]: For 16344/16391 co-relation queries the response was YES. [2021-11-19 04:49:29,862 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8483 conditions, 2305 events. 850/2305 cut-off events. For 16344/16391 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 16466 event pairs, 163 based on Foata normal form. 38/2243 useless extension candidates. Maximal degree in co-relation 8350. Up to 663 conditions per place. [2021-11-19 04:49:29,882 INFO L132 encePairwiseOnDemand]: 127/148 looper letters, 75 selfloop transitions, 36 changer transitions 60/256 dead transitions. [2021-11-19 04:49:29,882 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 217 places, 256 transitions, 1911 flow [2021-11-19 04:49:29,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-19 04:49:29,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2021-11-19 04:49:29,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 2611 transitions. [2021-11-19 04:49:29,896 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6785343035343036 [2021-11-19 04:49:29,896 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 2611 transitions. [2021-11-19 04:49:29,896 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 2611 transitions. [2021-11-19 04:49:29,899 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-19 04:49:29,899 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 2611 transitions. [2021-11-19 04:49:29,907 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 100.42307692307692) internal successors, (2611), 26 states have internal predecessors, (2611), 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) [2021-11-19 04:49:29,917 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 148.0) internal successors, (3996), 27 states have internal predecessors, (3996), 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) [2021-11-19 04:49:29,919 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 148.0) internal successors, (3996), 27 states have internal predecessors, (3996), 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) [2021-11-19 04:49:29,920 INFO L186 Difference]: Start difference. First operand has 203 places, 162 transitions, 730 flow. Second operand 26 states and 2611 transitions. [2021-11-19 04:49:29,920 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 217 places, 256 transitions, 1911 flow [2021-11-19 04:49:29,952 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 198 places, 256 transitions, 1657 flow, removed 119 selfloop flow, removed 19 redundant places. [2021-11-19 04:49:29,958 INFO L242 Difference]: Finished difference. Result has 213 places, 171 transitions, 909 flow [2021-11-19 04:49:29,959 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=148, PETRI_DIFFERENCE_MINUEND_FLOW=646, PETRI_DIFFERENCE_MINUEND_PLACES=173, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=162, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=909, PETRI_PLACES=213, PETRI_TRANSITIONS=171} [2021-11-19 04:49:29,962 INFO L334 CegarLoopForPetriNet]: 140 programPoint places, 73 predicate places. [2021-11-19 04:49:29,962 INFO L470 AbstractCegarLoop]: Abstraction has has 213 places, 171 transitions, 909 flow [2021-11-19 04:49:29,964 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 96.9) internal successors, (1938), 20 states have internal predecessors, (1938), 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) [2021-11-19 04:49:29,964 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-19 04:49:29,964 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:49:29,964 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-19 04:49:29,965 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-19 04:49:29,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:49:29,966 INFO L85 PathProgramCache]: Analyzing trace with hash 278568002, now seen corresponding path program 2 times [2021-11-19 04:49:29,966 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:49:29,966 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533961409] [2021-11-19 04:49:29,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:49:29,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:49:30,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:49:30,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:49:30,971 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:49:30,971 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533961409] [2021-11-19 04:49:30,972 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533961409] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:49:30,972 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:49:30,972 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-11-19 04:49:30,972 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327664566] [2021-11-19 04:49:30,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:49:30,973 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-11-19 04:49:30,973 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:49:30,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-11-19 04:49:30,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=306, Unknown=0, NotChecked=0, Total=380 [2021-11-19 04:49:30,980 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 94 out of 148 [2021-11-19 04:49:30,983 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 213 places, 171 transitions, 909 flow. Second operand has 20 states, 20 states have (on average 95.95) internal successors, (1919), 20 states have internal predecessors, (1919), 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) [2021-11-19 04:49:30,983 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-19 04:49:30,983 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 94 of 148 [2021-11-19 04:49:30,984 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-19 04:49:33,346 INFO L129 PetriNetUnfolder]: 1402/4328 cut-off events. [2021-11-19 04:49:33,347 INFO L130 PetriNetUnfolder]: For 36810/36902 co-relation queries the response was YES. [2021-11-19 04:49:33,395 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18509 conditions, 4328 events. 1402/4328 cut-off events. For 36810/36902 co-relation queries the response was YES. Maximal size of possible extension queue 207. Compared 39373 event pairs, 475 based on Foata normal form. 40/4093 useless extension candidates. Maximal degree in co-relation 18370. Up to 1226 conditions per place. [2021-11-19 04:49:33,432 INFO L132 encePairwiseOnDemand]: 124/148 looper letters, 149 selfloop transitions, 75 changer transitions 35/343 dead transitions. [2021-11-19 04:49:33,432 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 226 places, 343 transitions, 3357 flow [2021-11-19 04:49:33,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-19 04:49:33,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2021-11-19 04:49:33,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 2618 transitions. [2021-11-19 04:49:33,440 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6803534303534303 [2021-11-19 04:49:33,441 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 2618 transitions. [2021-11-19 04:49:33,441 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 2618 transitions. [2021-11-19 04:49:33,442 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-19 04:49:33,443 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 2618 transitions. [2021-11-19 04:49:33,450 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 100.6923076923077) internal successors, (2618), 26 states have internal predecessors, (2618), 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) [2021-11-19 04:49:33,459 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 148.0) internal successors, (3996), 27 states have internal predecessors, (3996), 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) [2021-11-19 04:49:33,475 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 148.0) internal successors, (3996), 27 states have internal predecessors, (3996), 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) [2021-11-19 04:49:33,475 INFO L186 Difference]: Start difference. First operand has 213 places, 171 transitions, 909 flow. Second operand 26 states and 2618 transitions. [2021-11-19 04:49:33,476 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 226 places, 343 transitions, 3357 flow [2021-11-19 04:49:33,582 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 207 places, 343 transitions, 2997 flow, removed 148 selfloop flow, removed 19 redundant places. [2021-11-19 04:49:33,589 INFO L242 Difference]: Finished difference. Result has 221 places, 236 transitions, 1815 flow [2021-11-19 04:49:33,589 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=148, PETRI_DIFFERENCE_MINUEND_FLOW=816, PETRI_DIFFERENCE_MINUEND_PLACES=182, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=171, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=31, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=135, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=1815, PETRI_PLACES=221, PETRI_TRANSITIONS=236} [2021-11-19 04:49:33,590 INFO L334 CegarLoopForPetriNet]: 140 programPoint places, 81 predicate places. [2021-11-19 04:49:33,590 INFO L470 AbstractCegarLoop]: Abstraction has has 221 places, 236 transitions, 1815 flow [2021-11-19 04:49:33,591 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 95.95) internal successors, (1919), 20 states have internal predecessors, (1919), 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) [2021-11-19 04:49:33,591 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-19 04:49:33,592 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:49:33,592 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-19 04:49:33,592 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-19 04:49:33,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:49:33,593 INFO L85 PathProgramCache]: Analyzing trace with hash -499203584, now seen corresponding path program 3 times [2021-11-19 04:49:33,593 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:49:33,593 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591549347] [2021-11-19 04:49:33,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:49:33,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:49:33,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:49:34,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:49:34,176 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:49:34,176 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591549347] [2021-11-19 04:49:34,176 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591549347] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:49:34,177 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:49:34,177 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-11-19 04:49:34,177 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604412502] [2021-11-19 04:49:34,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:49:34,177 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-11-19 04:49:34,178 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:49:34,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-11-19 04:49:34,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2021-11-19 04:49:34,180 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 148 [2021-11-19 04:49:34,182 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 221 places, 236 transitions, 1815 flow. Second operand has 17 states, 17 states have (on average 99.11764705882354) internal successors, (1685), 17 states have internal predecessors, (1685), 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) [2021-11-19 04:49:34,182 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-19 04:49:34,182 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 148 [2021-11-19 04:49:34,182 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-19 04:49:36,671 INFO L129 PetriNetUnfolder]: 1647/4712 cut-off events. [2021-11-19 04:49:36,671 INFO L130 PetriNetUnfolder]: For 52642/52745 co-relation queries the response was YES. [2021-11-19 04:49:36,715 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22207 conditions, 4712 events. 1647/4712 cut-off events. For 52642/52745 co-relation queries the response was YES. Maximal size of possible extension queue 258. Compared 42288 event pairs, 553 based on Foata normal form. 27/4438 useless extension candidates. Maximal degree in co-relation 22066. Up to 1507 conditions per place. [2021-11-19 04:49:36,755 INFO L132 encePairwiseOnDemand]: 129/148 looper letters, 141 selfloop transitions, 53 changer transitions 47/328 dead transitions. [2021-11-19 04:49:36,756 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 238 places, 328 transitions, 3637 flow [2021-11-19 04:49:36,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-19 04:49:36,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-11-19 04:49:36,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 2155 transitions. [2021-11-19 04:49:36,762 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6933719433719434 [2021-11-19 04:49:36,763 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 2155 transitions. [2021-11-19 04:49:36,763 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 2155 transitions. [2021-11-19 04:49:36,764 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-19 04:49:36,764 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 2155 transitions. [2021-11-19 04:49:36,770 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 102.61904761904762) internal successors, (2155), 21 states have internal predecessors, (2155), 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) [2021-11-19 04:49:36,776 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 148.0) internal successors, (3256), 22 states have internal predecessors, (3256), 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) [2021-11-19 04:49:36,778 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 148.0) internal successors, (3256), 22 states have internal predecessors, (3256), 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) [2021-11-19 04:49:36,778 INFO L186 Difference]: Start difference. First operand has 221 places, 236 transitions, 1815 flow. Second operand 21 states and 2155 transitions. [2021-11-19 04:49:36,778 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 238 places, 328 transitions, 3637 flow [2021-11-19 04:49:37,021 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 227 places, 328 transitions, 3503 flow, removed 59 selfloop flow, removed 11 redundant places. [2021-11-19 04:49:37,030 INFO L242 Difference]: Finished difference. Result has 238 places, 248 transitions, 2127 flow [2021-11-19 04:49:37,031 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=148, PETRI_DIFFERENCE_MINUEND_FLOW=1709, PETRI_DIFFERENCE_MINUEND_PLACES=207, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=236, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=183, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=2127, PETRI_PLACES=238, PETRI_TRANSITIONS=248} [2021-11-19 04:49:37,035 INFO L334 CegarLoopForPetriNet]: 140 programPoint places, 98 predicate places. [2021-11-19 04:49:37,035 INFO L470 AbstractCegarLoop]: Abstraction has has 238 places, 248 transitions, 2127 flow [2021-11-19 04:49:37,036 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 99.11764705882354) internal successors, (1685), 17 states have internal predecessors, (1685), 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) [2021-11-19 04:49:37,036 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-19 04:49:37,036 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:49:37,037 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-19 04:49:37,037 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-19 04:49:37,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:49:37,038 INFO L85 PathProgramCache]: Analyzing trace with hash -1396256032, now seen corresponding path program 4 times [2021-11-19 04:49:37,038 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:49:37,038 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327822139] [2021-11-19 04:49:37,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:49:37,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:49:37,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:49:37,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:49:37,515 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:49:37,515 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327822139] [2021-11-19 04:49:37,516 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327822139] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:49:37,516 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:49:37,516 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2021-11-19 04:49:37,516 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691673411] [2021-11-19 04:49:37,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:49:37,517 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-11-19 04:49:37,517 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:49:37,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-11-19 04:49:37,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2021-11-19 04:49:37,519 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 98 out of 148 [2021-11-19 04:49:37,521 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 238 places, 248 transitions, 2127 flow. Second operand has 16 states, 16 states have (on average 100.1875) internal successors, (1603), 16 states have internal predecessors, (1603), 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) [2021-11-19 04:49:37,521 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-19 04:49:37,522 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 98 of 148 [2021-11-19 04:49:37,522 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-19 04:49:40,310 INFO L129 PetriNetUnfolder]: 1629/4859 cut-off events. [2021-11-19 04:49:40,310 INFO L130 PetriNetUnfolder]: For 80468/80590 co-relation queries the response was YES. [2021-11-19 04:49:40,361 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25638 conditions, 4859 events. 1629/4859 cut-off events. For 80468/80590 co-relation queries the response was YES. Maximal size of possible extension queue 262. Compared 44466 event pairs, 369 based on Foata normal form. 69/4642 useless extension candidates. Maximal degree in co-relation 25491. Up to 1193 conditions per place. [2021-11-19 04:49:40,404 INFO L132 encePairwiseOnDemand]: 130/148 looper letters, 113 selfloop transitions, 107 changer transitions 46/354 dead transitions. [2021-11-19 04:49:40,404 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 248 places, 354 transitions, 4477 flow [2021-11-19 04:49:40,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-19 04:49:40,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-11-19 04:49:40,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 2101 transitions. [2021-11-19 04:49:40,409 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7097972972972973 [2021-11-19 04:49:40,410 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 2101 transitions. [2021-11-19 04:49:40,410 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 2101 transitions. [2021-11-19 04:49:40,411 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-19 04:49:40,411 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 2101 transitions. [2021-11-19 04:49:40,415 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 105.05) internal successors, (2101), 20 states have internal predecessors, (2101), 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) [2021-11-19 04:49:40,422 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 148.0) internal successors, (3108), 21 states have internal predecessors, (3108), 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) [2021-11-19 04:49:40,424 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 148.0) internal successors, (3108), 21 states have internal predecessors, (3108), 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) [2021-11-19 04:49:40,424 INFO L186 Difference]: Start difference. First operand has 238 places, 248 transitions, 2127 flow. Second operand 20 states and 2101 transitions. [2021-11-19 04:49:40,424 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 248 places, 354 transitions, 4477 flow [2021-11-19 04:49:40,745 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 234 places, 354 transitions, 4282 flow, removed 83 selfloop flow, removed 14 redundant places. [2021-11-19 04:49:40,757 INFO L242 Difference]: Finished difference. Result has 245 places, 261 transitions, 2548 flow [2021-11-19 04:49:40,758 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=148, PETRI_DIFFERENCE_MINUEND_FLOW=2054, PETRI_DIFFERENCE_MINUEND_PLACES=215, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=248, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=94, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=144, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=2548, PETRI_PLACES=245, PETRI_TRANSITIONS=261} [2021-11-19 04:49:40,761 INFO L334 CegarLoopForPetriNet]: 140 programPoint places, 105 predicate places. [2021-11-19 04:49:40,762 INFO L470 AbstractCegarLoop]: Abstraction has has 245 places, 261 transitions, 2548 flow [2021-11-19 04:49:40,762 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 100.1875) internal successors, (1603), 16 states have internal predecessors, (1603), 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) [2021-11-19 04:49:40,763 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-19 04:49:40,763 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:49:40,763 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-19 04:49:40,764 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-19 04:49:40,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:49:40,764 INFO L85 PathProgramCache]: Analyzing trace with hash -962852220, now seen corresponding path program 5 times [2021-11-19 04:49:40,765 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:49:40,765 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831381762] [2021-11-19 04:49:40,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:49:40,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:49:40,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:49:41,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:49:41,506 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:49:41,506 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831381762] [2021-11-19 04:49:41,506 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831381762] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:49:41,506 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:49:41,507 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-11-19 04:49:41,507 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57796737] [2021-11-19 04:49:41,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:49:41,507 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-19 04:49:41,508 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:49:41,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-19 04:49:41,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2021-11-19 04:49:41,511 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 148 [2021-11-19 04:49:41,517 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 245 places, 261 transitions, 2548 flow. Second operand has 18 states, 18 states have (on average 99.0) internal successors, (1782), 18 states have internal predecessors, (1782), 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) [2021-11-19 04:49:41,517 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-19 04:49:41,517 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 148 [2021-11-19 04:49:41,517 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-19 04:49:43,902 INFO L129 PetriNetUnfolder]: 1573/4610 cut-off events. [2021-11-19 04:49:43,903 INFO L130 PetriNetUnfolder]: For 85915/86034 co-relation queries the response was YES. [2021-11-19 04:49:43,940 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26319 conditions, 4610 events. 1573/4610 cut-off events. For 85915/86034 co-relation queries the response was YES. Maximal size of possible extension queue 266. Compared 41696 event pairs, 373 based on Foata normal form. 67/4391 useless extension candidates. Maximal degree in co-relation 26168. Up to 1135 conditions per place. [2021-11-19 04:49:43,979 INFO L132 encePairwiseOnDemand]: 129/148 looper letters, 105 selfloop transitions, 117 changer transitions 41/350 dead transitions. [2021-11-19 04:49:43,979 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 257 places, 350 transitions, 4868 flow [2021-11-19 04:49:43,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-19 04:49:43,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-11-19 04:49:43,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 2276 transitions. [2021-11-19 04:49:43,984 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.699017199017199 [2021-11-19 04:49:43,985 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 2276 transitions. [2021-11-19 04:49:43,985 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 2276 transitions. [2021-11-19 04:49:43,986 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-19 04:49:43,986 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 2276 transitions. [2021-11-19 04:49:43,990 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 103.45454545454545) internal successors, (2276), 22 states have internal predecessors, (2276), 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) [2021-11-19 04:49:43,996 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 148.0) internal successors, (3404), 23 states have internal predecessors, (3404), 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) [2021-11-19 04:49:43,997 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 148.0) internal successors, (3404), 23 states have internal predecessors, (3404), 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) [2021-11-19 04:49:43,997 INFO L186 Difference]: Start difference. First operand has 245 places, 261 transitions, 2548 flow. Second operand 22 states and 2276 transitions. [2021-11-19 04:49:43,997 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 257 places, 350 transitions, 4868 flow [2021-11-19 04:49:44,347 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 239 places, 350 transitions, 4368 flow, removed 193 selfloop flow, removed 18 redundant places. [2021-11-19 04:49:44,353 INFO L242 Difference]: Finished difference. Result has 250 places, 267 transitions, 2842 flow [2021-11-19 04:49:44,354 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=148, PETRI_DIFFERENCE_MINUEND_FLOW=2377, PETRI_DIFFERENCE_MINUEND_PLACES=218, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=261, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=111, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=147, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=2842, PETRI_PLACES=250, PETRI_TRANSITIONS=267} [2021-11-19 04:49:44,354 INFO L334 CegarLoopForPetriNet]: 140 programPoint places, 110 predicate places. [2021-11-19 04:49:44,355 INFO L470 AbstractCegarLoop]: Abstraction has has 250 places, 267 transitions, 2842 flow [2021-11-19 04:49:44,355 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 99.0) internal successors, (1782), 18 states have internal predecessors, (1782), 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) [2021-11-19 04:49:44,356 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-19 04:49:44,356 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:49:44,356 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-19 04:49:44,356 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-19 04:49:44,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:49:44,357 INFO L85 PathProgramCache]: Analyzing trace with hash 1808819380, now seen corresponding path program 6 times [2021-11-19 04:49:44,357 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:49:44,357 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297404973] [2021-11-19 04:49:44,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:49:44,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:49:44,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:49:44,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:49:44,893 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:49:44,893 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297404973] [2021-11-19 04:49:44,893 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1297404973] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:49:44,893 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:49:44,893 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-11-19 04:49:44,893 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828855135] [2021-11-19 04:49:44,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:49:44,894 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-11-19 04:49:44,894 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:49:44,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-11-19 04:49:44,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=218, Unknown=0, NotChecked=0, Total=272 [2021-11-19 04:49:44,897 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 98 out of 148 [2021-11-19 04:49:44,899 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 250 places, 267 transitions, 2842 flow. Second operand has 17 states, 17 states have (on average 100.05882352941177) internal successors, (1701), 17 states have internal predecessors, (1701), 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) [2021-11-19 04:49:44,899 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-19 04:49:44,899 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 98 of 148 [2021-11-19 04:49:44,899 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-19 04:49:47,082 INFO L129 PetriNetUnfolder]: 1546/4581 cut-off events. [2021-11-19 04:49:47,082 INFO L130 PetriNetUnfolder]: For 82394/82525 co-relation queries the response was YES. [2021-11-19 04:49:47,124 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26142 conditions, 4581 events. 1546/4581 cut-off events. For 82394/82525 co-relation queries the response was YES. Maximal size of possible extension queue 264. Compared 41522 event pairs, 445 based on Foata normal form. 24/4294 useless extension candidates. Maximal degree in co-relation 25991. Up to 1433 conditions per place. [2021-11-19 04:49:47,175 INFO L132 encePairwiseOnDemand]: 131/148 looper letters, 152 selfloop transitions, 57 changer transitions 41/338 dead transitions. [2021-11-19 04:49:47,176 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 260 places, 338 transitions, 4843 flow [2021-11-19 04:49:47,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-19 04:49:47,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-11-19 04:49:47,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 2077 transitions. [2021-11-19 04:49:47,182 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7016891891891892 [2021-11-19 04:49:47,182 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 2077 transitions. [2021-11-19 04:49:47,182 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 2077 transitions. [2021-11-19 04:49:47,184 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-19 04:49:47,184 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 2077 transitions. [2021-11-19 04:49:47,189 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 103.85) internal successors, (2077), 20 states have internal predecessors, (2077), 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) [2021-11-19 04:49:47,194 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 148.0) internal successors, (3108), 21 states have internal predecessors, (3108), 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) [2021-11-19 04:49:47,195 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 148.0) internal successors, (3108), 21 states have internal predecessors, (3108), 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) [2021-11-19 04:49:47,196 INFO L186 Difference]: Start difference. First operand has 250 places, 267 transitions, 2842 flow. Second operand 20 states and 2077 transitions. [2021-11-19 04:49:47,196 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 260 places, 338 transitions, 4843 flow [2021-11-19 04:49:47,478 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 241 places, 338 transitions, 4396 flow, removed 128 selfloop flow, removed 19 redundant places. [2021-11-19 04:49:47,486 INFO L242 Difference]: Finished difference. Result has 251 places, 270 transitions, 2872 flow [2021-11-19 04:49:47,487 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=148, PETRI_DIFFERENCE_MINUEND_FLOW=2616, PETRI_DIFFERENCE_MINUEND_PLACES=222, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=267, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=54, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=210, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=2872, PETRI_PLACES=251, PETRI_TRANSITIONS=270} [2021-11-19 04:49:47,488 INFO L334 CegarLoopForPetriNet]: 140 programPoint places, 111 predicate places. [2021-11-19 04:49:47,488 INFO L470 AbstractCegarLoop]: Abstraction has has 251 places, 270 transitions, 2872 flow [2021-11-19 04:49:47,489 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 100.05882352941177) internal successors, (1701), 17 states have internal predecessors, (1701), 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) [2021-11-19 04:49:47,489 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-19 04:49:47,489 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:49:47,489 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-19 04:49:47,490 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-19 04:49:47,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:49:47,490 INFO L85 PathProgramCache]: Analyzing trace with hash 1561566140, now seen corresponding path program 1 times [2021-11-19 04:49:47,490 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:49:47,491 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307995888] [2021-11-19 04:49:47,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:49:47,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:49:47,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:49:47,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:49:47,638 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:49:47,639 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307995888] [2021-11-19 04:49:47,639 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307995888] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:49:47,639 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:49:47,639 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-19 04:49:47,640 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181022707] [2021-11-19 04:49:47,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:49:47,640 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 04:49:47,641 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:49:47,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 04:49:47,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-19 04:49:47,643 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 124 out of 148 [2021-11-19 04:49:47,644 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 251 places, 270 transitions, 2872 flow. Second operand has 6 states, 6 states have (on average 126.33333333333333) internal successors, (758), 6 states have internal predecessors, (758), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:49:47,644 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-19 04:49:47,644 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 124 of 148 [2021-11-19 04:49:47,644 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-19 04:49:59,348 INFO L129 PetriNetUnfolder]: 23398/39793 cut-off events. [2021-11-19 04:49:59,348 INFO L130 PetriNetUnfolder]: For 777047/824205 co-relation queries the response was YES. [2021-11-19 04:49:59,894 INFO L84 FinitePrefix]: Finished finitePrefix Result has 182232 conditions, 39793 events. 23398/39793 cut-off events. For 777047/824205 co-relation queries the response was YES. Maximal size of possible extension queue 3197. Compared 368849 event pairs, 1135 based on Foata normal form. 6750/43479 useless extension candidates. Maximal degree in co-relation 182094. Up to 14109 conditions per place. [2021-11-19 04:50:00,094 INFO L132 encePairwiseOnDemand]: 137/148 looper letters, 260 selfloop transitions, 20 changer transitions 65/548 dead transitions. [2021-11-19 04:50:00,094 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 251 places, 548 transitions, 7443 flow [2021-11-19 04:50:00,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-19 04:50:00,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-11-19 04:50:00,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1324 transitions. [2021-11-19 04:50:00,099 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8945945945945946 [2021-11-19 04:50:00,099 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1324 transitions. [2021-11-19 04:50:00,099 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1324 transitions. [2021-11-19 04:50:00,100 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-19 04:50:00,100 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1324 transitions. [2021-11-19 04:50:00,103 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 132.4) internal successors, (1324), 10 states have internal predecessors, (1324), 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) [2021-11-19 04:50:00,106 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 148.0) internal successors, (1628), 11 states have internal predecessors, (1628), 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) [2021-11-19 04:50:00,107 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 148.0) internal successors, (1628), 11 states have internal predecessors, (1628), 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) [2021-11-19 04:50:00,107 INFO L186 Difference]: Start difference. First operand has 251 places, 270 transitions, 2872 flow. Second operand 10 states and 1324 transitions. [2021-11-19 04:50:00,108 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 251 places, 548 transitions, 7443 flow [2021-11-19 04:50:00,972 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 233 places, 548 transitions, 7127 flow, removed 83 selfloop flow, removed 18 redundant places. [2021-11-19 04:50:00,982 INFO L242 Difference]: Finished difference. Result has 239 places, 288 transitions, 2874 flow [2021-11-19 04:50:00,982 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=148, PETRI_DIFFERENCE_MINUEND_FLOW=2731, PETRI_DIFFERENCE_MINUEND_PLACES=224, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=270, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=260, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=2874, PETRI_PLACES=239, PETRI_TRANSITIONS=288} [2021-11-19 04:50:00,983 INFO L334 CegarLoopForPetriNet]: 140 programPoint places, 99 predicate places. [2021-11-19 04:50:00,983 INFO L470 AbstractCegarLoop]: Abstraction has has 239 places, 288 transitions, 2874 flow [2021-11-19 04:50:00,983 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 126.33333333333333) internal successors, (758), 6 states have internal predecessors, (758), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:50:00,984 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-19 04:50:00,984 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] [2021-11-19 04:50:00,984 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-19 04:50:00,984 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-19 04:50:00,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:50:00,985 INFO L85 PathProgramCache]: Analyzing trace with hash -910299950, now seen corresponding path program 1 times [2021-11-19 04:50:00,985 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:50:00,985 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182666090] [2021-11-19 04:50:00,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:50:00,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:50:01,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:50:01,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:50:01,347 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:50:01,347 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182666090] [2021-11-19 04:50:01,347 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [182666090] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:50:01,348 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:50:01,348 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-11-19 04:50:01,348 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187520451] [2021-11-19 04:50:01,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:50:01,349 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-19 04:50:01,349 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:50:01,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-19 04:50:01,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2021-11-19 04:50:01,352 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 148 [2021-11-19 04:50:01,354 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 239 places, 288 transitions, 2874 flow. Second operand has 13 states, 13 states have (on average 114.23076923076923) internal successors, (1485), 13 states have internal predecessors, (1485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:50:01,354 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-19 04:50:01,354 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 148 [2021-11-19 04:50:01,354 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-19 04:50:06,971 INFO L129 PetriNetUnfolder]: 5745/18760 cut-off events. [2021-11-19 04:50:06,971 INFO L130 PetriNetUnfolder]: For 144845/149291 co-relation queries the response was YES. [2021-11-19 04:50:07,279 INFO L84 FinitePrefix]: Finished finitePrefix Result has 72656 conditions, 18760 events. 5745/18760 cut-off events. For 144845/149291 co-relation queries the response was YES. Maximal size of possible extension queue 1744. Compared 248183 event pairs, 1698 based on Foata normal form. 393/17342 useless extension candidates. Maximal degree in co-relation 72515. Up to 5022 conditions per place. [2021-11-19 04:50:07,402 INFO L132 encePairwiseOnDemand]: 133/148 looper letters, 122 selfloop transitions, 110 changer transitions 0/360 dead transitions. [2021-11-19 04:50:07,402 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 255 places, 360 transitions, 4576 flow [2021-11-19 04:50:07,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-19 04:50:07,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-11-19 04:50:07,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 1997 transitions. [2021-11-19 04:50:07,407 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7937201907790143 [2021-11-19 04:50:07,407 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 1997 transitions. [2021-11-19 04:50:07,408 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 1997 transitions. [2021-11-19 04:50:07,409 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-19 04:50:07,409 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 1997 transitions. [2021-11-19 04:50:07,414 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 117.47058823529412) internal successors, (1997), 17 states have internal predecessors, (1997), 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) [2021-11-19 04:50:07,419 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 148.0) internal successors, (2664), 18 states have internal predecessors, (2664), 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) [2021-11-19 04:50:07,420 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 148.0) internal successors, (2664), 18 states have internal predecessors, (2664), 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) [2021-11-19 04:50:07,421 INFO L186 Difference]: Start difference. First operand has 239 places, 288 transitions, 2874 flow. Second operand 17 states and 1997 transitions. [2021-11-19 04:50:07,421 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 255 places, 360 transitions, 4576 flow [2021-11-19 04:50:08,011 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 254 places, 360 transitions, 4574 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-11-19 04:50:08,018 INFO L242 Difference]: Finished difference. Result has 264 places, 326 transitions, 4079 flow [2021-11-19 04:50:08,018 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=148, PETRI_DIFFERENCE_MINUEND_FLOW=2872, PETRI_DIFFERENCE_MINUEND_PLACES=238, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=288, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=72, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=202, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=4079, PETRI_PLACES=264, PETRI_TRANSITIONS=326} [2021-11-19 04:50:08,019 INFO L334 CegarLoopForPetriNet]: 140 programPoint places, 124 predicate places. [2021-11-19 04:50:08,019 INFO L470 AbstractCegarLoop]: Abstraction has has 264 places, 326 transitions, 4079 flow [2021-11-19 04:50:08,020 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 114.23076923076923) internal successors, (1485), 13 states have internal predecessors, (1485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:50:08,020 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-19 04:50:08,020 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] [2021-11-19 04:50:08,021 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-19 04:50:08,021 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-19 04:50:08,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:50:08,021 INFO L85 PathProgramCache]: Analyzing trace with hash 1824721200, now seen corresponding path program 2 times [2021-11-19 04:50:08,022 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:50:08,022 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118128268] [2021-11-19 04:50:08,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:50:08,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:50:08,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:50:08,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:50:08,734 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:50:08,734 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118128268] [2021-11-19 04:50:08,734 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118128268] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:50:08,735 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:50:08,735 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-11-19 04:50:08,735 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758683547] [2021-11-19 04:50:08,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:50:08,736 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-19 04:50:08,736 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:50:08,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-19 04:50:08,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2021-11-19 04:50:08,740 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 148 [2021-11-19 04:50:08,742 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 264 places, 326 transitions, 4079 flow. Second operand has 18 states, 18 states have (on average 99.05555555555556) internal successors, (1783), 18 states have internal predecessors, (1783), 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) [2021-11-19 04:50:08,742 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-19 04:50:08,743 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 148 [2021-11-19 04:50:08,743 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-19 04:50:15,210 INFO L129 PetriNetUnfolder]: 5832/18833 cut-off events. [2021-11-19 04:50:15,210 INFO L130 PetriNetUnfolder]: For 204470/208746 co-relation queries the response was YES. [2021-11-19 04:50:15,553 INFO L84 FinitePrefix]: Finished finitePrefix Result has 81295 conditions, 18833 events. 5832/18833 cut-off events. For 204470/208746 co-relation queries the response was YES. Maximal size of possible extension queue 1737. Compared 248847 event pairs, 1619 based on Foata normal form. 370/17419 useless extension candidates. Maximal degree in co-relation 81135. Up to 4867 conditions per place. [2021-11-19 04:50:15,686 INFO L132 encePairwiseOnDemand]: 130/148 looper letters, 149 selfloop transitions, 193 changer transitions 0/447 dead transitions. [2021-11-19 04:50:15,686 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 291 places, 447 transitions, 7210 flow [2021-11-19 04:50:15,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-11-19 04:50:15,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2021-11-19 04:50:15,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 2873 transitions. [2021-11-19 04:50:15,692 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6932915057915058 [2021-11-19 04:50:15,692 INFO L72 ComplementDD]: Start complementDD. Operand 28 states and 2873 transitions. [2021-11-19 04:50:15,693 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 2873 transitions. [2021-11-19 04:50:15,694 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-19 04:50:15,694 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 28 states and 2873 transitions. [2021-11-19 04:50:15,702 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 29 states, 28 states have (on average 102.60714285714286) internal successors, (2873), 28 states have internal predecessors, (2873), 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) [2021-11-19 04:50:15,709 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 29 states, 29 states have (on average 148.0) internal successors, (4292), 29 states have internal predecessors, (4292), 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) [2021-11-19 04:50:15,711 INFO L81 ComplementDD]: Finished complementDD. Result has 29 states, 29 states have (on average 148.0) internal successors, (4292), 29 states have internal predecessors, (4292), 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) [2021-11-19 04:50:15,711 INFO L186 Difference]: Start difference. First operand has 264 places, 326 transitions, 4079 flow. Second operand 28 states and 2873 transitions. [2021-11-19 04:50:15,712 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 291 places, 447 transitions, 7210 flow [2021-11-19 04:50:16,530 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 286 places, 447 transitions, 6477 flow, removed 338 selfloop flow, removed 5 redundant places. [2021-11-19 04:50:16,541 INFO L242 Difference]: Finished difference. Result has 303 places, 391 transitions, 5836 flow [2021-11-19 04:50:16,542 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=148, PETRI_DIFFERENCE_MINUEND_FLOW=3548, PETRI_DIFFERENCE_MINUEND_PLACES=259, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=326, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=133, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=184, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=5836, PETRI_PLACES=303, PETRI_TRANSITIONS=391} [2021-11-19 04:50:16,542 INFO L334 CegarLoopForPetriNet]: 140 programPoint places, 163 predicate places. [2021-11-19 04:50:16,543 INFO L470 AbstractCegarLoop]: Abstraction has has 303 places, 391 transitions, 5836 flow [2021-11-19 04:50:16,543 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 99.05555555555556) internal successors, (1783), 18 states have internal predecessors, (1783), 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) [2021-11-19 04:50:16,543 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-19 04:50:16,543 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] [2021-11-19 04:50:16,543 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-19 04:50:16,544 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-19 04:50:16,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:50:16,544 INFO L85 PathProgramCache]: Analyzing trace with hash -597470492, now seen corresponding path program 1 times [2021-11-19 04:50:16,544 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:50:16,544 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767654050] [2021-11-19 04:50:16,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:50:16,545 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:50:16,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:50:16,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:50:16,710 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:50:16,710 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767654050] [2021-11-19 04:50:16,710 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767654050] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:50:16,711 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:50:16,711 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-19 04:50:16,711 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479606457] [2021-11-19 04:50:16,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:50:16,712 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-19 04:50:16,712 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:50:16,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-19 04:50:16,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-19 04:50:16,714 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 124 out of 148 [2021-11-19 04:50:16,716 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 303 places, 391 transitions, 5836 flow. Second operand has 7 states, 7 states have (on average 126.14285714285714) internal successors, (883), 7 states have internal predecessors, (883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 04:50:16,716 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-19 04:50:16,716 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 124 of 148 [2021-11-19 04:50:16,716 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand