./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe019_power.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1940941-4492-48cf-b05b-5eb5ff672d92/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1940941-4492-48cf-b05b-5eb5ff672d92/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1940941-4492-48cf-b05b-5eb5ff672d92/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1940941-4492-48cf-b05b-5eb5ff672d92/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe019_power.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1940941-4492-48cf-b05b-5eb5ff672d92/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1940941-4492-48cf-b05b-5eb5ff672d92/bin/uautomizer-DQz5hQGWxF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 57c8b47d74ada5c94291d16aafebbb644062493fff61510a323122bcd88ba5b1 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 07:35:40,892 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 07:35:40,896 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 07:35:40,970 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 07:35:40,971 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 07:35:40,975 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 07:35:40,978 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 07:35:40,982 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 07:35:40,985 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 07:35:40,992 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 07:35:40,994 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 07:35:40,997 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 07:35:40,998 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 07:35:41,001 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 07:35:41,004 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 07:35:41,010 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 07:35:41,017 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 07:35:41,019 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 07:35:41,023 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 07:35:41,032 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 07:35:41,034 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 07:35:41,036 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 07:35:41,040 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 07:35:41,042 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 07:35:41,053 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 07:35:41,054 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 07:35:41,054 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 07:35:41,057 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 07:35:41,058 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 07:35:41,060 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 07:35:41,060 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 07:35:41,061 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 07:35:41,064 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 07:35:41,065 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 07:35:41,067 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 07:35:41,068 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 07:35:41,069 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 07:35:41,069 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 07:35:41,070 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 07:35:41,071 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 07:35:41,072 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 07:35:41,073 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1940941-4492-48cf-b05b-5eb5ff672d92/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-20 07:35:41,128 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 07:35:41,129 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 07:35:41,130 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 07:35:41,130 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 07:35:41,140 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 07:35:41,140 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 07:35:41,141 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 07:35:41,141 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 07:35:41,142 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 07:35:41,142 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 07:35:41,143 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 07:35:41,144 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 07:35:41,144 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 07:35:41,144 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 07:35:41,145 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 07:35:41,145 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 07:35:41,145 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 07:35:41,145 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 07:35:41,146 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 07:35:41,146 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 07:35:41,146 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 07:35:41,147 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 07:35:41,147 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 07:35:41,147 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 07:35:41,148 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:35:41,148 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 07:35:41,148 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 07:35:41,149 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 07:35:41,149 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 07:35:41,149 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 07:35:41,150 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 07:35:41,150 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 07:35:41,151 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 07:35:41,151 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 07:35:41,151 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_c1940941-4492-48cf-b05b-5eb5ff672d92/bin/uautomizer-DQz5hQGWxF/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1940941-4492-48cf-b05b-5eb5ff672d92/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 57c8b47d74ada5c94291d16aafebbb644062493fff61510a323122bcd88ba5b1 [2021-11-20 07:35:41,437 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 07:35:41,460 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 07:35:41,463 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 07:35:41,465 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 07:35:41,466 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 07:35:41,467 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1940941-4492-48cf-b05b-5eb5ff672d92/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/pthread-wmm/safe019_power.opt.i [2021-11-20 07:35:41,539 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1940941-4492-48cf-b05b-5eb5ff672d92/bin/uautomizer-DQz5hQGWxF/data/80fd7fbd8/0fab0c65b993430f8402bf81e581bc92/FLAG0e6c3535e [2021-11-20 07:35:42,217 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 07:35:42,223 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1940941-4492-48cf-b05b-5eb5ff672d92/sv-benchmarks/c/pthread-wmm/safe019_power.opt.i [2021-11-20 07:35:42,240 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1940941-4492-48cf-b05b-5eb5ff672d92/bin/uautomizer-DQz5hQGWxF/data/80fd7fbd8/0fab0c65b993430f8402bf81e581bc92/FLAG0e6c3535e [2021-11-20 07:35:42,482 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1940941-4492-48cf-b05b-5eb5ff672d92/bin/uautomizer-DQz5hQGWxF/data/80fd7fbd8/0fab0c65b993430f8402bf81e581bc92 [2021-11-20 07:35:42,486 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 07:35:42,488 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 07:35:42,492 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 07:35:42,493 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 07:35:42,497 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 07:35:42,498 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:35:42" (1/1) ... [2021-11-20 07:35:42,501 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57472deb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:35:42, skipping insertion in model container [2021-11-20 07:35:42,501 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:35:42" (1/1) ... [2021-11-20 07:35:42,510 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 07:35:42,582 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 07:35:42,812 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_c1940941-4492-48cf-b05b-5eb5ff672d92/sv-benchmarks/c/pthread-wmm/safe019_power.opt.i[994,1007] [2021-11-20 07:35:43,049 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:35:43,059 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 07:35:43,075 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_c1940941-4492-48cf-b05b-5eb5ff672d92/sv-benchmarks/c/pthread-wmm/safe019_power.opt.i[994,1007] [2021-11-20 07:35:43,215 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:35:43,285 INFO L208 MainTranslator]: Completed translation [2021-11-20 07:35:43,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:35:43 WrapperNode [2021-11-20 07:35:43,286 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 07:35:43,287 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 07:35:43,287 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 07:35:43,288 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 07:35:43,297 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:35:43" (1/1) ... [2021-11-20 07:35:43,356 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:35:43" (1/1) ... [2021-11-20 07:35:43,402 INFO L137 Inliner]: procedures = 177, calls = 88, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 225 [2021-11-20 07:35:43,404 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 07:35:43,405 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 07:35:43,406 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 07:35:43,406 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 07:35:43,415 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:35:43" (1/1) ... [2021-11-20 07:35:43,415 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:35:43" (1/1) ... [2021-11-20 07:35:43,431 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:35:43" (1/1) ... [2021-11-20 07:35:43,437 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:35:43" (1/1) ... [2021-11-20 07:35:43,463 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:35:43" (1/1) ... [2021-11-20 07:35:43,470 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:35:43" (1/1) ... [2021-11-20 07:35:43,475 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:35:43" (1/1) ... [2021-11-20 07:35:43,483 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 07:35:43,484 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 07:35:43,484 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 07:35:43,485 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 07:35:43,486 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:35:43" (1/1) ... [2021-11-20 07:35:43,494 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:35:43,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1940941-4492-48cf-b05b-5eb5ff672d92/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:35:43,520 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1940941-4492-48cf-b05b-5eb5ff672d92/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 07:35:43,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1940941-4492-48cf-b05b-5eb5ff672d92/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 07:35:43,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 07:35:43,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 07:35:43,570 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-20 07:35:43,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 07:35:43,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 07:35:43,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 07:35:43,571 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-20 07:35:43,571 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-20 07:35:43,571 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-20 07:35:43,571 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-20 07:35:43,572 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-11-20 07:35:43,572 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-11-20 07:35:43,572 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-11-20 07:35:43,572 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-11-20 07:35:43,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 07:35:43,573 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-20 07:35:43,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 07:35:43,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 07:35:43,576 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-20 07:35:43,889 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 07:35:43,905 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 07:35:44,849 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 07:35:45,659 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 07:35:45,659 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-20 07:35:45,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:35:45 BoogieIcfgContainer [2021-11-20 07:35:45,663 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 07:35:45,665 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 07:35:45,665 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 07:35:45,668 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 07:35:45,669 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 07:35:42" (1/3) ... [2021-11-20 07:35:45,670 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19abdde9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:35:45, skipping insertion in model container [2021-11-20 07:35:45,670 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:35:43" (2/3) ... [2021-11-20 07:35:45,671 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19abdde9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:35:45, skipping insertion in model container [2021-11-20 07:35:45,671 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:35:45" (3/3) ... [2021-11-20 07:35:45,673 INFO L111 eAbstractionObserver]: Analyzing ICFG safe019_power.opt.i [2021-11-20 07:35:45,679 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-20 07:35:45,679 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 07:35:45,680 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-20 07:35:45,680 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-20 07:35:45,774 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,775 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,775 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,776 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,776 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,776 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,776 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,777 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,778 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,778 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,778 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,778 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,779 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,779 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,779 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,779 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,779 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,779 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,779 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,780 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,781 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,781 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,782 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,782 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,783 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,783 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,783 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,783 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,783 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,783 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,784 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,784 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,784 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,784 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,784 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,784 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,785 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,785 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,785 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,785 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,785 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,786 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,786 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,786 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,786 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,786 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,786 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,787 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,787 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,787 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,787 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,787 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,789 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,789 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,789 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,789 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,789 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,790 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,790 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,790 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,790 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,790 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,790 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,791 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,791 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,791 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,792 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,792 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,792 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,792 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,792 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,792 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,792 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,793 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,793 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,794 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,795 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,798 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,799 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,799 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,799 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,800 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,801 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,801 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,801 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,801 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,806 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,806 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,806 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,807 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,807 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,807 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,807 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,807 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,807 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,807 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,810 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,811 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,811 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,811 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,811 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,811 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,812 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,812 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,812 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,812 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,812 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,812 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,812 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,813 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,813 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,813 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,813 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,813 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,814 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,814 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,814 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~mem30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,814 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,814 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,814 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,814 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,815 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~mem30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,815 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,815 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,815 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,816 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~mem30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,816 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,816 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,816 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,816 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,816 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~mem30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,816 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,817 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,817 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,817 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,817 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,818 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,818 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,818 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,818 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,818 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,818 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,819 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,819 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,819 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,819 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,819 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,820 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem84| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,820 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,820 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite79| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,823 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite77| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,823 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,823 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,823 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite75| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,823 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,823 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite73| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,823 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,824 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,824 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,824 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,824 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,824 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,824 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite81| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,824 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,824 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,825 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,825 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,825 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,825 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite78| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,825 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,825 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,825 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,825 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite70| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,826 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite74| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,826 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,826 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,826 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,826 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,826 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,826 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,826 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite69| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,827 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,827 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite80| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,827 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,827 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,827 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,827 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem84| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,827 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,827 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite79| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,828 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,828 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite77| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,828 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,828 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,828 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite71| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,828 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite75| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,828 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,828 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite73| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,829 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,829 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,829 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,829 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,829 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,829 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,830 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,835 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite81| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,835 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,835 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite85| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,836 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,836 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,836 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,836 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,836 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite78| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,836 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,837 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem83| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,843 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite76| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,843 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,844 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,844 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite70| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,844 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite74| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,844 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,844 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,844 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,844 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,844 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,879 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,879 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,879 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,880 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite69| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,880 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,880 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite82| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,880 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite80| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,880 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,880 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,881 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,885 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,899 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem84| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,899 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,899 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite79| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,899 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite77| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,899 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,900 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,900 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite75| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,900 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,900 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite73| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,900 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,900 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,901 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,901 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,901 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,901 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,901 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite81| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,901 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,902 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,902 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,902 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,902 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,902 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite78| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,902 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,902 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,903 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,903 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite70| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,903 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite74| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,903 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,903 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,903 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,904 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,904 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,904 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,904 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite69| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,904 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,904 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite80| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,904 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,905 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,905 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,905 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem84| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,905 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,905 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite79| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,905 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,906 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite77| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,906 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,906 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,906 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite71| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,906 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite75| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,906 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,906 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite73| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,907 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,907 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,907 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,907 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,907 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,907 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,907 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,908 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite81| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,908 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,908 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite85| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,908 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,908 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,908 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,908 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,909 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite78| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,909 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,909 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem83| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,909 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite76| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,909 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,909 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,910 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite70| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,910 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite74| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,910 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,910 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,910 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,910 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,910 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,911 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,911 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,911 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,911 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite69| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,911 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,911 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite82| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,911 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite80| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,912 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,912 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,912 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,917 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite87| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,917 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem86| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,918 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem86| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,918 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite89| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,918 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite88| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,918 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite87| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,918 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite90| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,918 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite91| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,918 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite92| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,919 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite87| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,919 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem86| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,919 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem86| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,919 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite89| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,920 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite88| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,920 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite87| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,920 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite90| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,920 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite91| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,920 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite92| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,921 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,921 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,922 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,922 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,922 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,922 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,922 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,922 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,923 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,923 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,923 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,923 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,923 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~mem93| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,923 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite94| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,924 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~mem93| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,924 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite97| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,924 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite98| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,924 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite99| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,924 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite94| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,924 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite95| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,924 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite96| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,925 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~mem93| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,925 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite94| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,925 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~mem93| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,926 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite97| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,926 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite98| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,926 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite99| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,926 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite94| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,926 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite95| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,926 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite96| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,927 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,927 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,927 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,927 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,933 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,934 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,934 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite85| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,934 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,934 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,934 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite81| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,934 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,935 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,935 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,935 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite89| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,935 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,935 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,936 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,936 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite87| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,936 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,936 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,936 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite74| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,936 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,937 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,937 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite70| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,937 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite91| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,937 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem84| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,937 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem86| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,938 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,938 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,938 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite78| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,938 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,938 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite76| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,938 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,939 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,939 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,939 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,939 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,939 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite82| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,939 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite80| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,940 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,940 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,940 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite69| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,940 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,940 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,940 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,941 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite88| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,941 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,941 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,941 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,941 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,941 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite75| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,942 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,942 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite73| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,942 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite71| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,942 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite92| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,942 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite90| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,942 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,943 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,943 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,943 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite79| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,943 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,943 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite77| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,943 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,944 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~mem83| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,945 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,945 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,945 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,945 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,946 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,946 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,946 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,946 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,950 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,950 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,950 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,951 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,951 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,951 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,951 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,951 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,951 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,952 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,952 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,952 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,952 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,952 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,952 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~mem27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,953 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,953 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,953 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,953 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,953 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,954 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,954 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,954 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,955 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite97| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,955 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite98| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,955 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite95| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,955 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite96| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,955 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,956 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,956 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite99| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,956 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,956 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~mem93| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,956 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,956 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite94| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,957 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,958 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,958 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,958 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~mem30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,958 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,958 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,958 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,959 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,959 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,959 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,959 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,959 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,959 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:35:45,960 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-20 07:35:46,030 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 07:35:46,039 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-20 07:35:46,039 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-11-20 07:35:46,055 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 163 places, 152 transitions, 324 flow [2021-11-20 07:35:46,126 INFO L129 PetriNetUnfolder]: 2/148 cut-off events. [2021-11-20 07:35:46,126 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-20 07:35:46,131 INFO L84 FinitePrefix]: Finished finitePrefix Result has 161 conditions, 148 events. 2/148 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 63 event pairs, 0 based on Foata normal form. 0/144 useless extension candidates. Maximal degree in co-relation 88. Up to 2 conditions per place. [2021-11-20 07:35:46,131 INFO L82 GeneralOperation]: Start removeDead. Operand has 163 places, 152 transitions, 324 flow [2021-11-20 07:35:46,138 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 159 places, 148 transitions, 308 flow [2021-11-20 07:35:46,171 INFO L129 PetriNetUnfolder]: 0/81 cut-off events. [2021-11-20 07:35:46,172 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-20 07:35:46,172 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 07:35:46,173 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:35:46,173 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-20 07:35:46,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:35:46,183 INFO L85 PathProgramCache]: Analyzing trace with hash -397280163, now seen corresponding path program 1 times [2021-11-20 07:35:46,192 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:35:46,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150442623] [2021-11-20 07:35:46,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:35:46,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:35:46,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:46,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:35:46,683 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:35:46,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150442623] [2021-11-20 07:35:46,684 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [150442623] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:35:46,684 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:35:46,687 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 07:35:46,689 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494808225] [2021-11-20 07:35:46,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:35:46,699 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 07:35:46,699 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:35:46,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 07:35:46,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:35:46,752 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 152 [2021-11-20 07:35:46,761 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 159 places, 148 transitions, 308 flow. Second operand has 3 states, 3 states have (on average 136.33333333333334) internal successors, (409), 3 states have internal predecessors, (409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:35:46,761 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 07:35:46,761 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 152 [2021-11-20 07:35:46,763 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 07:35:47,600 INFO L129 PetriNetUnfolder]: 258/1462 cut-off events. [2021-11-20 07:35:47,601 INFO L130 PetriNetUnfolder]: For 27/27 co-relation queries the response was YES. [2021-11-20 07:35:47,612 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1915 conditions, 1462 events. 258/1462 cut-off events. For 27/27 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 11079 event pairs, 172 based on Foata normal form. 40/1403 useless extension candidates. Maximal degree in co-relation 1839. Up to 289 conditions per place. [2021-11-20 07:35:47,625 INFO L132 encePairwiseOnDemand]: 147/152 looper letters, 19 selfloop transitions, 2 changer transitions 0/152 dead transitions. [2021-11-20 07:35:47,625 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 159 places, 152 transitions, 364 flow [2021-11-20 07:35:47,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:35:47,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-20 07:35:47,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 431 transitions. [2021-11-20 07:35:47,652 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9451754385964912 [2021-11-20 07:35:47,653 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 431 transitions. [2021-11-20 07:35:47,654 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 431 transitions. [2021-11-20 07:35:47,659 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:35:47,662 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 431 transitions. [2021-11-20 07:35:47,669 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 143.66666666666666) internal successors, (431), 3 states have internal predecessors, (431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:35:47,689 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 152.0) internal successors, (608), 4 states have internal predecessors, (608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:35:47,690 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 152.0) internal successors, (608), 4 states have internal predecessors, (608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:35:47,697 INFO L186 Difference]: Start difference. First operand has 159 places, 148 transitions, 308 flow. Second operand 3 states and 431 transitions. [2021-11-20 07:35:47,698 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 159 places, 152 transitions, 364 flow [2021-11-20 07:35:47,706 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 155 places, 152 transitions, 358 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-11-20 07:35:47,713 INFO L242 Difference]: Finished difference. Result has 155 places, 144 transitions, 300 flow [2021-11-20 07:35:47,716 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=296, PETRI_DIFFERENCE_MINUEND_PLACES=153, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=144, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=142, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=300, PETRI_PLACES=155, PETRI_TRANSITIONS=144} [2021-11-20 07:35:47,722 INFO L334 CegarLoopForPetriNet]: 159 programPoint places, -4 predicate places. [2021-11-20 07:35:47,722 INFO L470 AbstractCegarLoop]: Abstraction has has 155 places, 144 transitions, 300 flow [2021-11-20 07:35:47,723 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 136.33333333333334) internal successors, (409), 3 states have internal predecessors, (409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:35:47,723 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 07:35:47,723 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:35:47,724 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 07:35:47,724 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-20 07:35:47,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:35:47,726 INFO L85 PathProgramCache]: Analyzing trace with hash -331025959, now seen corresponding path program 1 times [2021-11-20 07:35:47,726 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:35:47,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139512266] [2021-11-20 07:35:47,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:35:47,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:35:47,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:48,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:35:48,146 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:35:48,146 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139512266] [2021-11-20 07:35:48,146 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2139512266] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:35:48,146 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:35:48,146 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 07:35:48,147 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865578635] [2021-11-20 07:35:48,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:35:48,148 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:35:48,149 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:35:48,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:35:48,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:35:48,151 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 152 [2021-11-20 07:35:48,153 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 144 transitions, 300 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) [2021-11-20 07:35:48,153 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 07:35:48,153 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 152 [2021-11-20 07:35:48,153 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 07:35:49,885 INFO L129 PetriNetUnfolder]: 1428/3792 cut-off events. [2021-11-20 07:35:49,886 INFO L130 PetriNetUnfolder]: For 210/210 co-relation queries the response was YES. [2021-11-20 07:35:49,906 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6149 conditions, 3792 events. 1428/3792 cut-off events. For 210/210 co-relation queries the response was YES. Maximal size of possible extension queue 201. Compared 30638 event pairs, 741 based on Foata normal form. 0/3669 useless extension candidates. Maximal degree in co-relation 6074. Up to 1041 conditions per place. [2021-11-20 07:35:49,924 INFO L132 encePairwiseOnDemand]: 146/152 looper letters, 26 selfloop transitions, 2 changer transitions 59/198 dead transitions. [2021-11-20 07:35:49,924 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 163 places, 198 transitions, 576 flow [2021-11-20 07:35:49,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 07:35:49,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-11-20 07:35:49,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1228 transitions. [2021-11-20 07:35:49,930 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8976608187134503 [2021-11-20 07:35:49,930 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1228 transitions. [2021-11-20 07:35:49,930 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1228 transitions. [2021-11-20 07:35:49,932 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:35:49,932 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1228 transitions. [2021-11-20 07:35:49,937 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 136.44444444444446) internal successors, (1228), 9 states have internal predecessors, (1228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:35:49,942 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 152.0) internal successors, (1520), 10 states have internal predecessors, (1520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:35:49,943 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 152.0) internal successors, (1520), 10 states have internal predecessors, (1520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:35:49,944 INFO L186 Difference]: Start difference. First operand has 155 places, 144 transitions, 300 flow. Second operand 9 states and 1228 transitions. [2021-11-20 07:35:49,944 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 163 places, 198 transitions, 576 flow [2021-11-20 07:35:49,948 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 161 places, 198 transitions, 558 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-11-20 07:35:49,952 INFO L242 Difference]: Finished difference. Result has 168 places, 130 transitions, 288 flow [2021-11-20 07:35:49,952 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=296, PETRI_DIFFERENCE_MINUEND_PLACES=153, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=144, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=142, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=288, PETRI_PLACES=168, PETRI_TRANSITIONS=130} [2021-11-20 07:35:49,953 INFO L334 CegarLoopForPetriNet]: 159 programPoint places, 9 predicate places. [2021-11-20 07:35:49,954 INFO L470 AbstractCegarLoop]: Abstraction has has 168 places, 130 transitions, 288 flow [2021-11-20 07:35:49,955 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) [2021-11-20 07:35:49,955 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 07:35:49,955 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] [2021-11-20 07:35:49,955 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 07:35:49,955 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-20 07:35:49,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:35:49,956 INFO L85 PathProgramCache]: Analyzing trace with hash 152367994, now seen corresponding path program 1 times [2021-11-20 07:35:49,956 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:35:49,956 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098382433] [2021-11-20 07:35:49,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:35:49,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:35:50,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:50,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:35:50,169 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:35:50,169 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098382433] [2021-11-20 07:35:50,170 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1098382433] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:35:50,170 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:35:50,170 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 07:35:50,170 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616714208] [2021-11-20 07:35:50,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:35:50,171 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:35:50,171 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:35:50,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:35:50,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:35:50,173 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 126 out of 152 [2021-11-20 07:35:50,174 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 130 transitions, 288 flow. Second operand has 6 states, 6 states have (on average 128.16666666666666) internal successors, (769), 6 states have internal predecessors, (769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:35:50,175 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 07:35:50,175 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 152 [2021-11-20 07:35:50,175 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 07:35:51,994 INFO L129 PetriNetUnfolder]: 2000/3720 cut-off events. [2021-11-20 07:35:51,994 INFO L130 PetriNetUnfolder]: For 847/847 co-relation queries the response was YES. [2021-11-20 07:35:52,012 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7579 conditions, 3720 events. 2000/3720 cut-off events. For 847/847 co-relation queries the response was YES. Maximal size of possible extension queue 201. Compared 23356 event pairs, 486 based on Foata normal form. 72/3652 useless extension candidates. Maximal degree in co-relation 7497. Up to 1720 conditions per place. [2021-11-20 07:35:52,037 INFO L132 encePairwiseOnDemand]: 145/152 looper letters, 27 selfloop transitions, 3 changer transitions 49/188 dead transitions. [2021-11-20 07:35:52,037 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 188 transitions, 585 flow [2021-11-20 07:35:52,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 07:35:52,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-11-20 07:35:52,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1215 transitions. [2021-11-20 07:35:52,042 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8881578947368421 [2021-11-20 07:35:52,042 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1215 transitions. [2021-11-20 07:35:52,042 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1215 transitions. [2021-11-20 07:35:52,044 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:35:52,044 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1215 transitions. [2021-11-20 07:35:52,048 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 135.0) internal successors, (1215), 9 states have internal predecessors, (1215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:35:52,052 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 152.0) internal successors, (1520), 10 states have internal predecessors, (1520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:35:52,054 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 152.0) internal successors, (1520), 10 states have internal predecessors, (1520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:35:52,054 INFO L186 Difference]: Start difference. First operand has 168 places, 130 transitions, 288 flow. Second operand 9 states and 1215 transitions. [2021-11-20 07:35:52,054 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 156 places, 188 transitions, 585 flow [2021-11-20 07:35:52,109 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 148 places, 188 transitions, 551 flow, removed 14 selfloop flow, removed 8 redundant places. [2021-11-20 07:35:52,113 INFO L242 Difference]: Finished difference. Result has 155 places, 132 transitions, 315 flow [2021-11-20 07:35:52,114 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=272, PETRI_DIFFERENCE_MINUEND_PLACES=140, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=127, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=315, PETRI_PLACES=155, PETRI_TRANSITIONS=132} [2021-11-20 07:35:52,118 INFO L334 CegarLoopForPetriNet]: 159 programPoint places, -4 predicate places. [2021-11-20 07:35:52,118 INFO L470 AbstractCegarLoop]: Abstraction has has 155 places, 132 transitions, 315 flow [2021-11-20 07:35:52,119 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 128.16666666666666) internal successors, (769), 6 states have internal predecessors, (769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:35:52,119 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 07:35:52,119 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] [2021-11-20 07:35:52,120 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 07:35:52,120 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-20 07:35:52,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:35:52,121 INFO L85 PathProgramCache]: Analyzing trace with hash -1240084295, now seen corresponding path program 1 times [2021-11-20 07:35:52,121 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:35:52,121 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336357829] [2021-11-20 07:35:52,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:35:52,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:35:52,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:52,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:35:52,335 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:35:52,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336357829] [2021-11-20 07:35:52,336 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336357829] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:35:52,336 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:35:52,336 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-20 07:35:52,336 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326368149] [2021-11-20 07:35:52,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:35:52,337 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 07:35:52,337 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:35:52,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 07:35:52,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-20 07:35:52,340 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 125 out of 152 [2021-11-20 07:35:52,342 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 132 transitions, 315 flow. Second operand has 7 states, 7 states have (on average 127.14285714285714) internal successors, (890), 7 states have internal predecessors, (890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:35:52,342 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 07:35:52,342 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 125 of 152 [2021-11-20 07:35:52,342 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 07:35:54,101 INFO L129 PetriNetUnfolder]: 2164/4070 cut-off events. [2021-11-20 07:35:54,101 INFO L130 PetriNetUnfolder]: For 3534/3534 co-relation queries the response was YES. [2021-11-20 07:35:54,127 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9705 conditions, 4070 events. 2164/4070 cut-off events. For 3534/3534 co-relation queries the response was YES. Maximal size of possible extension queue 205. Compared 26801 event pairs, 354 based on Foata normal form. 60/3936 useless extension candidates. Maximal degree in co-relation 9621. Up to 1495 conditions per place. [2021-11-20 07:35:54,157 INFO L132 encePairwiseOnDemand]: 143/152 looper letters, 33 selfloop transitions, 5 changer transitions 31/177 dead transitions. [2021-11-20 07:35:54,157 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 177 transitions, 624 flow [2021-11-20 07:35:54,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 07:35:54,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-11-20 07:35:54,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 945 transitions. [2021-11-20 07:35:54,162 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8881578947368421 [2021-11-20 07:35:54,162 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 945 transitions. [2021-11-20 07:35:54,162 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 945 transitions. [2021-11-20 07:35:54,163 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:35:54,163 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 945 transitions. [2021-11-20 07:35:54,166 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 135.0) internal successors, (945), 7 states have internal predecessors, (945), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:35:54,169 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 152.0) internal successors, (1216), 8 states have internal predecessors, (1216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:35:54,170 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 152.0) internal successors, (1216), 8 states have internal predecessors, (1216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:35:54,170 INFO L186 Difference]: Start difference. First operand has 155 places, 132 transitions, 315 flow. Second operand 7 states and 945 transitions. [2021-11-20 07:35:54,170 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 155 places, 177 transitions, 624 flow [2021-11-20 07:35:54,188 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 151 places, 177 transitions, 611 flow, removed 5 selfloop flow, removed 4 redundant places. [2021-11-20 07:35:54,193 INFO L242 Difference]: Finished difference. Result has 155 places, 132 transitions, 329 flow [2021-11-20 07:35:54,193 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=306, PETRI_DIFFERENCE_MINUEND_PLACES=145, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=127, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=329, PETRI_PLACES=155, PETRI_TRANSITIONS=132} [2021-11-20 07:35:54,194 INFO L334 CegarLoopForPetriNet]: 159 programPoint places, -4 predicate places. [2021-11-20 07:35:54,194 INFO L470 AbstractCegarLoop]: Abstraction has has 155 places, 132 transitions, 329 flow [2021-11-20 07:35:54,195 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 127.14285714285714) internal successors, (890), 7 states have internal predecessors, (890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:35:54,195 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 07:35:54,196 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] [2021-11-20 07:35:54,196 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-20 07:35:54,196 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-20 07:35:54,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:35:54,197 INFO L85 PathProgramCache]: Analyzing trace with hash 1436386169, now seen corresponding path program 2 times [2021-11-20 07:35:54,197 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:35:54,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977253373] [2021-11-20 07:35:54,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:35:54,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:35:54,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:54,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:35:54,457 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:35:54,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977253373] [2021-11-20 07:35:54,457 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977253373] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:35:54,458 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:35:54,458 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-20 07:35:54,458 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684301377] [2021-11-20 07:35:54,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:35:54,459 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 07:35:54,459 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:35:54,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 07:35:54,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-20 07:35:54,462 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 152 [2021-11-20 07:35:54,464 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 132 transitions, 329 flow. Second operand has 7 states, 7 states have (on average 129.85714285714286) internal successors, (909), 7 states have internal predecessors, (909), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:35:54,464 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 07:35:54,464 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 152 [2021-11-20 07:35:54,464 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 07:35:55,649 INFO L129 PetriNetUnfolder]: 1100/2235 cut-off events. [2021-11-20 07:35:55,649 INFO L130 PetriNetUnfolder]: For 1798/1833 co-relation queries the response was YES. [2021-11-20 07:35:55,667 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5095 conditions, 2235 events. 1100/2235 cut-off events. For 1798/1833 co-relation queries the response was YES. Maximal size of possible extension queue 143. Compared 13762 event pairs, 381 based on Foata normal form. 48/2182 useless extension candidates. Maximal degree in co-relation 5007. Up to 882 conditions per place. [2021-11-20 07:35:55,685 INFO L132 encePairwiseOnDemand]: 145/152 looper letters, 22 selfloop transitions, 3 changer transitions 37/175 dead transitions. [2021-11-20 07:35:55,685 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 175 transitions, 563 flow [2021-11-20 07:35:55,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-20 07:35:55,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-11-20 07:35:55,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1344 transitions. [2021-11-20 07:35:55,691 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8842105263157894 [2021-11-20 07:35:55,692 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1344 transitions. [2021-11-20 07:35:55,692 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1344 transitions. [2021-11-20 07:35:55,693 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:35:55,693 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1344 transitions. [2021-11-20 07:35:55,698 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 134.4) internal successors, (1344), 10 states have internal predecessors, (1344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:35:55,706 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 152.0) internal successors, (1672), 11 states have internal predecessors, (1672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:35:55,707 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 152.0) internal successors, (1672), 11 states have internal predecessors, (1672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:35:55,707 INFO L186 Difference]: Start difference. First operand has 155 places, 132 transitions, 329 flow. Second operand 10 states and 1344 transitions. [2021-11-20 07:35:55,707 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 175 transitions, 563 flow [2021-11-20 07:35:55,717 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 155 places, 175 transitions, 535 flow, removed 9 selfloop flow, removed 6 redundant places. [2021-11-20 07:35:55,720 INFO L242 Difference]: Finished difference. Result has 162 places, 132 transitions, 333 flow [2021-11-20 07:35:55,721 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=311, PETRI_DIFFERENCE_MINUEND_PLACES=146, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=333, PETRI_PLACES=162, PETRI_TRANSITIONS=132} [2021-11-20 07:35:55,722 INFO L334 CegarLoopForPetriNet]: 159 programPoint places, 3 predicate places. [2021-11-20 07:35:55,722 INFO L470 AbstractCegarLoop]: Abstraction has has 162 places, 132 transitions, 333 flow [2021-11-20 07:35:55,723 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 129.85714285714286) internal successors, (909), 7 states have internal predecessors, (909), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:35:55,723 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 07:35:55,723 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] [2021-11-20 07:35:55,723 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-20 07:35:55,724 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-20 07:35:55,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:35:55,724 INFO L85 PathProgramCache]: Analyzing trace with hash -527097175, now seen corresponding path program 1 times [2021-11-20 07:35:55,724 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:35:55,724 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521339810] [2021-11-20 07:35:55,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:35:55,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:35:55,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:55,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:35:55,951 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:35:55,951 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521339810] [2021-11-20 07:35:55,952 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1521339810] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:35:55,952 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:35:55,952 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 07:35:55,952 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650861585] [2021-11-20 07:35:55,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:35:55,953 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:35:55,953 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:35:55,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:35:55,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:35:55,955 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 126 out of 152 [2021-11-20 07:35:55,956 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 132 transitions, 333 flow. Second operand has 6 states, 6 states have (on average 128.5) internal successors, (771), 6 states have internal predecessors, (771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:35:55,956 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 07:35:55,957 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 152 [2021-11-20 07:35:55,957 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 07:35:57,330 INFO L129 PetriNetUnfolder]: 1764/3470 cut-off events. [2021-11-20 07:35:57,330 INFO L130 PetriNetUnfolder]: For 3347/3359 co-relation queries the response was YES. [2021-11-20 07:35:57,348 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8203 conditions, 3470 events. 1764/3470 cut-off events. For 3347/3359 co-relation queries the response was YES. Maximal size of possible extension queue 194. Compared 23212 event pairs, 654 based on Foata normal form. 60/3406 useless extension candidates. Maximal degree in co-relation 8113. Up to 1039 conditions per place. [2021-11-20 07:35:57,365 INFO L132 encePairwiseOnDemand]: 146/152 looper letters, 32 selfloop transitions, 3 changer transitions 40/184 dead transitions. [2021-11-20 07:35:57,365 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 184 transitions, 663 flow [2021-11-20 07:35:57,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 07:35:57,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-11-20 07:35:57,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1210 transitions. [2021-11-20 07:35:57,371 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8845029239766082 [2021-11-20 07:35:57,372 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1210 transitions. [2021-11-20 07:35:57,372 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1210 transitions. [2021-11-20 07:35:57,373 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:35:57,373 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1210 transitions. [2021-11-20 07:35:57,378 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 134.44444444444446) internal successors, (1210), 9 states have internal predecessors, (1210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:35:57,382 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 152.0) internal successors, (1520), 10 states have internal predecessors, (1520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:35:57,383 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 152.0) internal successors, (1520), 10 states have internal predecessors, (1520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:35:57,383 INFO L186 Difference]: Start difference. First operand has 162 places, 132 transitions, 333 flow. Second operand 9 states and 1210 transitions. [2021-11-20 07:35:57,383 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 184 transitions, 663 flow [2021-11-20 07:35:57,407 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 155 places, 184 transitions, 609 flow, removed 24 selfloop flow, removed 9 redundant places. [2021-11-20 07:35:57,411 INFO L242 Difference]: Finished difference. Result has 162 places, 132 transitions, 336 flow [2021-11-20 07:35:57,411 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=313, PETRI_DIFFERENCE_MINUEND_PLACES=147, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=336, PETRI_PLACES=162, PETRI_TRANSITIONS=132} [2021-11-20 07:35:57,412 INFO L334 CegarLoopForPetriNet]: 159 programPoint places, 3 predicate places. [2021-11-20 07:35:57,413 INFO L470 AbstractCegarLoop]: Abstraction has has 162 places, 132 transitions, 336 flow [2021-11-20 07:35:57,413 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 128.5) internal successors, (771), 6 states have internal predecessors, (771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:35:57,413 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 07:35:57,414 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] [2021-11-20 07:35:57,414 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-20 07:35:57,414 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-20 07:35:57,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:35:57,415 INFO L85 PathProgramCache]: Analyzing trace with hash -1206071912, now seen corresponding path program 1 times [2021-11-20 07:35:57,415 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:35:57,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891417274] [2021-11-20 07:35:57,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:35:57,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:35:57,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:35:57,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:35:57,660 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:35:57,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891417274] [2021-11-20 07:35:57,660 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891417274] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:35:57,661 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:35:57,661 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 07:35:57,661 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404391130] [2021-11-20 07:35:57,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:35:57,667 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:35:57,667 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:35:57,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:35:57,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:35:57,669 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 124 out of 152 [2021-11-20 07:35:57,670 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 132 transitions, 336 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) [2021-11-20 07:35:57,671 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 07:35:57,671 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 124 of 152 [2021-11-20 07:35:57,671 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 07:36:00,664 INFO L129 PetriNetUnfolder]: 7660/13043 cut-off events. [2021-11-20 07:36:00,664 INFO L130 PetriNetUnfolder]: For 3376/3430 co-relation queries the response was YES. [2021-11-20 07:36:00,756 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26474 conditions, 13043 events. 7660/13043 cut-off events. For 3376/3430 co-relation queries the response was YES. Maximal size of possible extension queue 751. Compared 98323 event pairs, 358 based on Foata normal form. 0/12678 useless extension candidates. Maximal degree in co-relation 26385. Up to 4663 conditions per place. [2021-11-20 07:36:00,816 INFO L132 encePairwiseOnDemand]: 141/152 looper letters, 38 selfloop transitions, 7 changer transitions 60/213 dead transitions. [2021-11-20 07:36:00,816 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 213 transitions, 719 flow [2021-11-20 07:36:00,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-20 07:36:00,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-11-20 07:36:00,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1347 transitions. [2021-11-20 07:36:00,824 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8861842105263158 [2021-11-20 07:36:00,824 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1347 transitions. [2021-11-20 07:36:00,825 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1347 transitions. [2021-11-20 07:36:00,827 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:36:00,827 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1347 transitions. [2021-11-20 07:36:00,836 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 134.7) internal successors, (1347), 10 states have internal predecessors, (1347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:36:00,842 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 152.0) internal successors, (1672), 11 states have internal predecessors, (1672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:36:00,843 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 152.0) internal successors, (1672), 11 states have internal predecessors, (1672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:36:00,844 INFO L186 Difference]: Start difference. First operand has 162 places, 132 transitions, 336 flow. Second operand 10 states and 1347 transitions. [2021-11-20 07:36:00,844 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 213 transitions, 719 flow [2021-11-20 07:36:00,881 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 158 places, 213 transitions, 698 flow, removed 9 selfloop flow, removed 7 redundant places. [2021-11-20 07:36:00,886 INFO L242 Difference]: Finished difference. Result has 164 places, 135 transitions, 381 flow [2021-11-20 07:36:00,886 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=315, PETRI_DIFFERENCE_MINUEND_PLACES=149, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=125, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=381, PETRI_PLACES=164, PETRI_TRANSITIONS=135} [2021-11-20 07:36:00,888 INFO L334 CegarLoopForPetriNet]: 159 programPoint places, 5 predicate places. [2021-11-20 07:36:00,888 INFO L470 AbstractCegarLoop]: Abstraction has has 164 places, 135 transitions, 381 flow [2021-11-20 07:36:00,889 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) [2021-11-20 07:36:00,889 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 07:36:00,890 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:36:00,890 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-20 07:36:00,890 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-20 07:36:00,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:36:00,891 INFO L85 PathProgramCache]: Analyzing trace with hash -920967809, now seen corresponding path program 1 times [2021-11-20 07:36:00,891 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:36:00,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141195367] [2021-11-20 07:36:00,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:36:00,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:36:01,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:01,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:36:01,783 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:36:01,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141195367] [2021-11-20 07:36:01,784 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2141195367] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:36:01,784 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:36:01,784 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-11-20 07:36:01,784 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197361962] [2021-11-20 07:36:01,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:36:01,785 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-20 07:36:01,786 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:36:01,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-20 07:36:01,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2021-11-20 07:36:01,790 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 152 [2021-11-20 07:36:01,794 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 164 places, 135 transitions, 381 flow. Second operand has 15 states, 15 states have (on average 113.13333333333334) internal successors, (1697), 15 states have internal predecessors, (1697), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:36:01,794 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 07:36:01,795 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 152 [2021-11-20 07:36:01,795 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 07:36:04,152 INFO L129 PetriNetUnfolder]: 2345/5861 cut-off events. [2021-11-20 07:36:04,152 INFO L130 PetriNetUnfolder]: For 4809/5116 co-relation queries the response was YES. [2021-11-20 07:36:04,194 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14275 conditions, 5861 events. 2345/5861 cut-off events. For 4809/5116 co-relation queries the response was YES. Maximal size of possible extension queue 295. Compared 52697 event pairs, 1318 based on Foata normal form. 42/5579 useless extension candidates. Maximal degree in co-relation 14169. Up to 1746 conditions per place. [2021-11-20 07:36:04,232 INFO L132 encePairwiseOnDemand]: 134/152 looper letters, 72 selfloop transitions, 36 changer transitions 0/207 dead transitions. [2021-11-20 07:36:04,233 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 178 places, 207 transitions, 805 flow [2021-11-20 07:36:04,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-20 07:36:04,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-11-20 07:36:04,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 2442 transitions. [2021-11-20 07:36:04,244 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7650375939849624 [2021-11-20 07:36:04,244 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 2442 transitions. [2021-11-20 07:36:04,245 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 2442 transitions. [2021-11-20 07:36:04,247 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:36:04,248 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 2442 transitions. [2021-11-20 07:36:04,257 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 116.28571428571429) internal successors, (2442), 21 states have internal predecessors, (2442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:36:04,267 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 152.0) internal successors, (3344), 22 states have internal predecessors, (3344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:36:04,270 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 152.0) internal successors, (3344), 22 states have internal predecessors, (3344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:36:04,270 INFO L186 Difference]: Start difference. First operand has 164 places, 135 transitions, 381 flow. Second operand 21 states and 2442 transitions. [2021-11-20 07:36:04,270 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 178 places, 207 transitions, 805 flow [2021-11-20 07:36:04,303 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 173 places, 207 transitions, 790 flow, removed 3 selfloop flow, removed 5 redundant places. [2021-11-20 07:36:04,308 INFO L242 Difference]: Finished difference. Result has 186 places, 163 transitions, 629 flow [2021-11-20 07:36:04,308 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=366, PETRI_DIFFERENCE_MINUEND_PLACES=153, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=135, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=118, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=629, PETRI_PLACES=186, PETRI_TRANSITIONS=163} [2021-11-20 07:36:04,309 INFO L334 CegarLoopForPetriNet]: 159 programPoint places, 27 predicate places. [2021-11-20 07:36:04,310 INFO L470 AbstractCegarLoop]: Abstraction has has 186 places, 163 transitions, 629 flow [2021-11-20 07:36:04,311 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 113.13333333333334) internal successors, (1697), 15 states have internal predecessors, (1697), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:36:04,311 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 07:36:04,311 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:36:04,312 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-20 07:36:04,312 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-20 07:36:04,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:36:04,312 INFO L85 PathProgramCache]: Analyzing trace with hash 1833213049, now seen corresponding path program 2 times [2021-11-20 07:36:04,313 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:36:04,313 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175136919] [2021-11-20 07:36:04,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:36:04,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:36:04,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:04,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:36:04,752 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:36:04,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175136919] [2021-11-20 07:36:04,753 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [175136919] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:36:04,753 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:36:04,753 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-11-20 07:36:04,753 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878664601] [2021-11-20 07:36:04,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:36:04,754 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-20 07:36:04,754 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:36:04,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-20 07:36:04,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2021-11-20 07:36:04,757 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 152 [2021-11-20 07:36:04,760 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 186 places, 163 transitions, 629 flow. Second operand has 13 states, 13 states have (on average 115.3076923076923) internal successors, (1499), 13 states have internal predecessors, (1499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:36:04,760 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 07:36:04,760 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 152 [2021-11-20 07:36:04,761 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 07:36:07,125 INFO L129 PetriNetUnfolder]: 2889/6831 cut-off events. [2021-11-20 07:36:07,125 INFO L130 PetriNetUnfolder]: For 21558/22009 co-relation queries the response was YES. [2021-11-20 07:36:07,184 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25033 conditions, 6831 events. 2889/6831 cut-off events. For 21558/22009 co-relation queries the response was YES. Maximal size of possible extension queue 394. Compared 62556 event pairs, 1008 based on Foata normal form. 65/6444 useless extension candidates. Maximal degree in co-relation 24913. Up to 2270 conditions per place. [2021-11-20 07:36:07,237 INFO L132 encePairwiseOnDemand]: 136/152 looper letters, 110 selfloop transitions, 75 changer transitions 6/292 dead transitions. [2021-11-20 07:36:07,238 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 208 places, 292 transitions, 2015 flow [2021-11-20 07:36:07,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-20 07:36:07,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2021-11-20 07:36:07,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 2745 transitions. [2021-11-20 07:36:07,248 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7851830663615561 [2021-11-20 07:36:07,248 INFO L72 ComplementDD]: Start complementDD. Operand 23 states and 2745 transitions. [2021-11-20 07:36:07,249 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 2745 transitions. [2021-11-20 07:36:07,251 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:36:07,252 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 23 states and 2745 transitions. [2021-11-20 07:36:07,263 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 24 states, 23 states have (on average 119.34782608695652) internal successors, (2745), 23 states have internal predecessors, (2745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:36:07,274 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 24 states, 24 states have (on average 152.0) internal successors, (3648), 24 states have internal predecessors, (3648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:36:07,276 INFO L81 ComplementDD]: Finished complementDD. Result has 24 states, 24 states have (on average 152.0) internal successors, (3648), 24 states have internal predecessors, (3648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:36:07,276 INFO L186 Difference]: Start difference. First operand has 186 places, 163 transitions, 629 flow. Second operand 23 states and 2745 transitions. [2021-11-20 07:36:07,277 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 208 places, 292 transitions, 2015 flow [2021-11-20 07:36:07,356 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 201 places, 292 transitions, 1970 flow, removed 8 selfloop flow, removed 7 redundant places. [2021-11-20 07:36:07,363 INFO L242 Difference]: Finished difference. Result has 218 places, 241 transitions, 1620 flow [2021-11-20 07:36:07,364 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=603, PETRI_DIFFERENCE_MINUEND_PLACES=179, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=1620, PETRI_PLACES=218, PETRI_TRANSITIONS=241} [2021-11-20 07:36:07,366 INFO L334 CegarLoopForPetriNet]: 159 programPoint places, 59 predicate places. [2021-11-20 07:36:07,367 INFO L470 AbstractCegarLoop]: Abstraction has has 218 places, 241 transitions, 1620 flow [2021-11-20 07:36:07,368 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 115.3076923076923) internal successors, (1499), 13 states have internal predecessors, (1499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:36:07,368 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 07:36:07,368 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:36:07,368 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-20 07:36:07,369 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-20 07:36:07,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:36:07,369 INFO L85 PathProgramCache]: Analyzing trace with hash 935936471, now seen corresponding path program 3 times [2021-11-20 07:36:07,370 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:36:07,370 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727585297] [2021-11-20 07:36:07,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:36:07,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:36:07,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:08,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:36:08,591 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:36:08,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727585297] [2021-11-20 07:36:08,591 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727585297] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:36:08,591 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:36:08,591 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-11-20 07:36:08,592 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131967760] [2021-11-20 07:36:08,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:36:08,592 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-11-20 07:36:08,592 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:36:08,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-11-20 07:36:08,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=315, Unknown=0, NotChecked=0, Total=380 [2021-11-20 07:36:08,595 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 152 [2021-11-20 07:36:08,598 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 218 places, 241 transitions, 1620 flow. Second operand has 20 states, 20 states have (on average 97.95) internal successors, (1959), 20 states have internal predecessors, (1959), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:36:08,598 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 07:36:08,598 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 152 [2021-11-20 07:36:08,598 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 07:36:12,165 INFO L129 PetriNetUnfolder]: 3068/7623 cut-off events. [2021-11-20 07:36:12,166 INFO L130 PetriNetUnfolder]: For 41293/41903 co-relation queries the response was YES. [2021-11-20 07:36:12,249 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31554 conditions, 7623 events. 3068/7623 cut-off events. For 41293/41903 co-relation queries the response was YES. Maximal size of possible extension queue 434. Compared 72164 event pairs, 1615 based on Foata normal form. 56/7222 useless extension candidates. Maximal degree in co-relation 31412. Up to 3174 conditions per place. [2021-11-20 07:36:12,310 INFO L132 encePairwiseOnDemand]: 130/152 looper letters, 150 selfloop transitions, 64 changer transitions 43/349 dead transitions. [2021-11-20 07:36:12,310 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 246 places, 349 transitions, 3238 flow [2021-11-20 07:36:12,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-11-20 07:36:12,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2021-11-20 07:36:12,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 2922 transitions. [2021-11-20 07:36:12,325 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6628856624319419 [2021-11-20 07:36:12,326 INFO L72 ComplementDD]: Start complementDD. Operand 29 states and 2922 transitions. [2021-11-20 07:36:12,326 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 2922 transitions. [2021-11-20 07:36:12,328 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:36:12,328 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 29 states and 2922 transitions. [2021-11-20 07:36:12,349 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 30 states, 29 states have (on average 100.75862068965517) internal successors, (2922), 29 states have internal predecessors, (2922), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:36:12,362 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 30 states, 30 states have (on average 152.0) internal successors, (4560), 30 states have internal predecessors, (4560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:36:12,364 INFO L81 ComplementDD]: Finished complementDD. Result has 30 states, 30 states have (on average 152.0) internal successors, (4560), 30 states have internal predecessors, (4560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:36:12,365 INFO L186 Difference]: Start difference. First operand has 218 places, 241 transitions, 1620 flow. Second operand 29 states and 2922 transitions. [2021-11-20 07:36:12,365 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 246 places, 349 transitions, 3238 flow [2021-11-20 07:36:12,630 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 242 places, 349 transitions, 2887 flow, removed 172 selfloop flow, removed 4 redundant places. [2021-11-20 07:36:12,638 INFO L242 Difference]: Finished difference. Result has 252 places, 293 transitions, 2000 flow [2021-11-20 07:36:12,640 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=1291, PETRI_DIFFERENCE_MINUEND_PLACES=214, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=241, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=205, PETRI_DIFFERENCE_SUBTRAHEND_STATES=29, PETRI_FLOW=2000, PETRI_PLACES=252, PETRI_TRANSITIONS=293} [2021-11-20 07:36:12,642 INFO L334 CegarLoopForPetriNet]: 159 programPoint places, 93 predicate places. [2021-11-20 07:36:12,643 INFO L470 AbstractCegarLoop]: Abstraction has has 252 places, 293 transitions, 2000 flow [2021-11-20 07:36:12,644 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 97.95) internal successors, (1959), 20 states have internal predecessors, (1959), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:36:12,644 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 07:36:12,644 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:36:12,644 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-20 07:36:12,645 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-20 07:36:12,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:36:12,645 INFO L85 PathProgramCache]: Analyzing trace with hash -1306515355, now seen corresponding path program 4 times [2021-11-20 07:36:12,646 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:36:12,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252018007] [2021-11-20 07:36:12,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:36:12,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:36:12,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:13,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:36:13,928 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:36:13,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252018007] [2021-11-20 07:36:13,928 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252018007] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:36:13,928 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:36:13,928 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2021-11-20 07:36:13,928 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101674839] [2021-11-20 07:36:13,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:36:13,929 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-11-20 07:36:13,929 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:36:13,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-11-20 07:36:13,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=359, Unknown=0, NotChecked=0, Total=420 [2021-11-20 07:36:13,933 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 152 [2021-11-20 07:36:13,936 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 252 places, 293 transitions, 2000 flow. Second operand has 21 states, 21 states have (on average 98.80952380952381) internal successors, (2075), 21 states have internal predecessors, (2075), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:36:13,936 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 07:36:13,936 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 152 [2021-11-20 07:36:13,936 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 07:36:18,913 INFO L129 PetriNetUnfolder]: 3617/8829 cut-off events. [2021-11-20 07:36:18,913 INFO L130 PetriNetUnfolder]: For 70002/70570 co-relation queries the response was YES. [2021-11-20 07:36:19,041 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39820 conditions, 8829 events. 3617/8829 cut-off events. For 70002/70570 co-relation queries the response was YES. Maximal size of possible extension queue 456. Compared 83434 event pairs, 1883 based on Foata normal form. 68/8375 useless extension candidates. Maximal degree in co-relation 39666. Up to 3999 conditions per place. [2021-11-20 07:36:19,122 INFO L132 encePairwiseOnDemand]: 128/152 looper letters, 187 selfloop transitions, 85 changer transitions 35/400 dead transitions. [2021-11-20 07:36:19,122 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 279 places, 400 transitions, 3773 flow [2021-11-20 07:36:19,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-11-20 07:36:19,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2021-11-20 07:36:19,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 3460 transitions. [2021-11-20 07:36:19,137 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6695046439628483 [2021-11-20 07:36:19,137 INFO L72 ComplementDD]: Start complementDD. Operand 34 states and 3460 transitions. [2021-11-20 07:36:19,138 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 3460 transitions. [2021-11-20 07:36:19,140 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:36:19,141 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 34 states and 3460 transitions. [2021-11-20 07:36:19,154 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 35 states, 34 states have (on average 101.76470588235294) internal successors, (3460), 34 states have internal predecessors, (3460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:36:19,168 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 35 states, 35 states have (on average 152.0) internal successors, (5320), 35 states have internal predecessors, (5320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:36:19,171 INFO L81 ComplementDD]: Finished complementDD. Result has 35 states, 35 states have (on average 152.0) internal successors, (5320), 35 states have internal predecessors, (5320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:36:19,171 INFO L186 Difference]: Start difference. First operand has 252 places, 293 transitions, 2000 flow. Second operand 34 states and 3460 transitions. [2021-11-20 07:36:19,171 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 279 places, 400 transitions, 3773 flow [2021-11-20 07:36:19,657 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 265 places, 400 transitions, 3435 flow, removed 161 selfloop flow, removed 14 redundant places. [2021-11-20 07:36:19,663 INFO L242 Difference]: Finished difference. Result has 278 places, 340 transitions, 2526 flow [2021-11-20 07:36:19,664 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=1778, PETRI_DIFFERENCE_MINUEND_PLACES=232, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=293, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=43, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=235, PETRI_DIFFERENCE_SUBTRAHEND_STATES=34, PETRI_FLOW=2526, PETRI_PLACES=278, PETRI_TRANSITIONS=340} [2021-11-20 07:36:19,665 INFO L334 CegarLoopForPetriNet]: 159 programPoint places, 119 predicate places. [2021-11-20 07:36:19,665 INFO L470 AbstractCegarLoop]: Abstraction has has 278 places, 340 transitions, 2526 flow [2021-11-20 07:36:19,666 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 98.80952380952381) internal successors, (2075), 21 states have internal predecessors, (2075), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:36:19,666 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 07:36:19,666 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:36:19,666 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-20 07:36:19,666 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-20 07:36:19,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:36:19,667 INFO L85 PathProgramCache]: Analyzing trace with hash -582699127, now seen corresponding path program 1 times [2021-11-20 07:36:19,667 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:36:19,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454871234] [2021-11-20 07:36:19,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:36:19,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:36:19,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:19,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:36:19,873 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:36:19,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454871234] [2021-11-20 07:36:19,873 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454871234] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:36:19,873 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:36:19,874 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-20 07:36:19,874 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648608771] [2021-11-20 07:36:19,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:36:19,875 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 07:36:19,875 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:36:19,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 07:36:19,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-20 07:36:19,878 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 124 out of 152 [2021-11-20 07:36:19,879 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 278 places, 340 transitions, 2526 flow. Second operand has 7 states, 7 states have (on average 126.28571428571429) internal successors, (884), 7 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:36:19,880 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 07:36:19,880 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 124 of 152 [2021-11-20 07:36:19,880 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 07:36:23,110 INFO L129 PetriNetUnfolder]: 5527/10509 cut-off events. [2021-11-20 07:36:23,111 INFO L130 PetriNetUnfolder]: For 83073/83464 co-relation queries the response was YES. [2021-11-20 07:36:23,275 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50149 conditions, 10509 events. 5527/10509 cut-off events. For 83073/83464 co-relation queries the response was YES. Maximal size of possible extension queue 591. Compared 83790 event pairs, 193 based on Foata normal form. 290/10675 useless extension candidates. Maximal degree in co-relation 50004. Up to 2686 conditions per place. [2021-11-20 07:36:23,311 INFO L132 encePairwiseOnDemand]: 142/152 looper letters, 233 selfloop transitions, 11 changer transitions 260/635 dead transitions. [2021-11-20 07:36:23,311 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 280 places, 635 transitions, 6779 flow [2021-11-20 07:36:23,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-20 07:36:23,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-11-20 07:36:23,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1345 transitions. [2021-11-20 07:36:23,316 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8848684210526315 [2021-11-20 07:36:23,316 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1345 transitions. [2021-11-20 07:36:23,316 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1345 transitions. [2021-11-20 07:36:23,317 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:36:23,317 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1345 transitions. [2021-11-20 07:36:23,320 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 134.5) internal successors, (1345), 10 states have internal predecessors, (1345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:36:23,324 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 152.0) internal successors, (1672), 11 states have internal predecessors, (1672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:36:23,325 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 152.0) internal successors, (1672), 11 states have internal predecessors, (1672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:36:23,325 INFO L186 Difference]: Start difference. First operand has 278 places, 340 transitions, 2526 flow. Second operand 10 states and 1345 transitions. [2021-11-20 07:36:23,325 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 280 places, 635 transitions, 6779 flow [2021-11-20 07:36:23,607 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 257 places, 635 transitions, 5875 flow, removed 388 selfloop flow, removed 23 redundant places. [2021-11-20 07:36:23,618 INFO L242 Difference]: Finished difference. Result has 263 places, 260 transitions, 1677 flow [2021-11-20 07:36:23,619 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=2026, PETRI_DIFFERENCE_MINUEND_PLACES=248, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=316, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=305, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1677, PETRI_PLACES=263, PETRI_TRANSITIONS=260} [2021-11-20 07:36:23,620 INFO L334 CegarLoopForPetriNet]: 159 programPoint places, 104 predicate places. [2021-11-20 07:36:23,621 INFO L470 AbstractCegarLoop]: Abstraction has has 263 places, 260 transitions, 1677 flow [2021-11-20 07:36:23,621 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 126.28571428571429) internal successors, (884), 7 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:36:23,621 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 07:36:23,622 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:36:23,622 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-20 07:36:23,622 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-20 07:36:23,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:36:23,623 INFO L85 PathProgramCache]: Analyzing trace with hash 719276890, now seen corresponding path program 1 times [2021-11-20 07:36:23,623 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:36:23,623 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967302117] [2021-11-20 07:36:23,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:36:23,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:36:23,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:25,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:36:25,179 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:36:25,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967302117] [2021-11-20 07:36:25,180 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [967302117] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:36:25,180 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:36:25,180 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2021-11-20 07:36:25,180 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255840162] [2021-11-20 07:36:25,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:36:25,181 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-11-20 07:36:25,181 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:36:25,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-11-20 07:36:25,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=417, Unknown=0, NotChecked=0, Total=506 [2021-11-20 07:36:25,185 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 152 [2021-11-20 07:36:25,188 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 263 places, 260 transitions, 1677 flow. Second operand has 23 states, 23 states have (on average 96.78260869565217) internal successors, (2226), 23 states have internal predecessors, (2226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:36:25,188 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 07:36:25,188 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 152 [2021-11-20 07:36:25,189 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 07:36:28,463 INFO L129 PetriNetUnfolder]: 1400/4234 cut-off events. [2021-11-20 07:36:28,463 INFO L130 PetriNetUnfolder]: For 30902/31822 co-relation queries the response was YES. [2021-11-20 07:36:28,527 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19455 conditions, 4234 events. 1400/4234 cut-off events. For 30902/31822 co-relation queries the response was YES. Maximal size of possible extension queue 184. Compared 37453 event pairs, 520 based on Foata normal form. 104/4180 useless extension candidates. Maximal degree in co-relation 19297. Up to 1314 conditions per place. [2021-11-20 07:36:28,549 INFO L132 encePairwiseOnDemand]: 128/152 looper letters, 97 selfloop transitions, 91 changer transitions 28/315 dead transitions. [2021-11-20 07:36:28,549 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 268 places, 315 transitions, 2814 flow [2021-11-20 07:36:28,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-20 07:36:28,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2021-11-20 07:36:28,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 3077 transitions. [2021-11-20 07:36:28,556 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6530135823429541 [2021-11-20 07:36:28,556 INFO L72 ComplementDD]: Start complementDD. Operand 31 states and 3077 transitions. [2021-11-20 07:36:28,556 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 3077 transitions. [2021-11-20 07:36:28,558 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:36:28,558 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 31 states and 3077 transitions. [2021-11-20 07:36:28,565 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 32 states, 31 states have (on average 99.25806451612904) internal successors, (3077), 31 states have internal predecessors, (3077), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:36:28,574 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 32 states, 32 states have (on average 152.0) internal successors, (4864), 32 states have internal predecessors, (4864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:36:28,577 INFO L81 ComplementDD]: Finished complementDD. Result has 32 states, 32 states have (on average 152.0) internal successors, (4864), 32 states have internal predecessors, (4864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:36:28,577 INFO L186 Difference]: Start difference. First operand has 263 places, 260 transitions, 1677 flow. Second operand 31 states and 3077 transitions. [2021-11-20 07:36:28,577 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 268 places, 315 transitions, 2814 flow [2021-11-20 07:36:28,743 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 241 places, 315 transitions, 2607 flow, removed 94 selfloop flow, removed 27 redundant places. [2021-11-20 07:36:28,751 INFO L242 Difference]: Finished difference. Result has 249 places, 272 transitions, 1982 flow [2021-11-20 07:36:28,752 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=1554, PETRI_DIFFERENCE_MINUEND_PLACES=211, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=260, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=82, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=175, PETRI_DIFFERENCE_SUBTRAHEND_STATES=31, PETRI_FLOW=1982, PETRI_PLACES=249, PETRI_TRANSITIONS=272} [2021-11-20 07:36:28,753 INFO L334 CegarLoopForPetriNet]: 159 programPoint places, 90 predicate places. [2021-11-20 07:36:28,753 INFO L470 AbstractCegarLoop]: Abstraction has has 249 places, 272 transitions, 1982 flow [2021-11-20 07:36:28,755 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 96.78260869565217) internal successors, (2226), 23 states have internal predecessors, (2226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:36:28,755 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 07:36:28,755 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:36:28,755 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-20 07:36:28,756 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-20 07:36:28,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:36:28,756 INFO L85 PathProgramCache]: Analyzing trace with hash -1996363882, now seen corresponding path program 2 times [2021-11-20 07:36:28,757 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:36:28,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899995533] [2021-11-20 07:36:28,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:36:28,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:36:28,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:30,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:36:30,305 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:36:30,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899995533] [2021-11-20 07:36:30,305 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899995533] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:36:30,305 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:36:30,305 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2021-11-20 07:36:30,306 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905474637] [2021-11-20 07:36:30,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:36:30,306 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-11-20 07:36:30,306 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:36:30,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-11-20 07:36:30,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=418, Unknown=0, NotChecked=0, Total=506 [2021-11-20 07:36:30,310 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 94 out of 152 [2021-11-20 07:36:30,315 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 249 places, 272 transitions, 1982 flow. Second operand has 23 states, 23 states have (on average 95.82608695652173) internal successors, (2204), 23 states have internal predecessors, (2204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:36:30,315 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 07:36:30,315 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 94 of 152 [2021-11-20 07:36:30,316 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 07:36:33,056 INFO L129 PetriNetUnfolder]: 1366/4178 cut-off events. [2021-11-20 07:36:33,056 INFO L130 PetriNetUnfolder]: For 22531/22959 co-relation queries the response was YES. [2021-11-20 07:36:33,107 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16402 conditions, 4178 events. 1366/4178 cut-off events. For 22531/22959 co-relation queries the response was YES. Maximal size of possible extension queue 187. Compared 37094 event pairs, 518 based on Foata normal form. 105/4129 useless extension candidates. Maximal degree in co-relation 16250. Up to 1298 conditions per place. [2021-11-20 07:36:33,127 INFO L132 encePairwiseOnDemand]: 129/152 looper letters, 99 selfloop transitions, 91 changer transitions 28/316 dead transitions. [2021-11-20 07:36:33,127 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 273 places, 316 transitions, 2953 flow [2021-11-20 07:36:33,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-20 07:36:33,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2021-11-20 07:36:33,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 3047 transitions. [2021-11-20 07:36:33,133 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6466468590831919 [2021-11-20 07:36:33,133 INFO L72 ComplementDD]: Start complementDD. Operand 31 states and 3047 transitions. [2021-11-20 07:36:33,134 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 3047 transitions. [2021-11-20 07:36:33,135 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:36:33,136 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 31 states and 3047 transitions. [2021-11-20 07:36:33,142 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 32 states, 31 states have (on average 98.29032258064517) internal successors, (3047), 31 states have internal predecessors, (3047), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:36:33,151 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 32 states, 32 states have (on average 152.0) internal successors, (4864), 32 states have internal predecessors, (4864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:36:33,154 INFO L81 ComplementDD]: Finished complementDD. Result has 32 states, 32 states have (on average 152.0) internal successors, (4864), 32 states have internal predecessors, (4864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:36:33,154 INFO L186 Difference]: Start difference. First operand has 249 places, 272 transitions, 1982 flow. Second operand 31 states and 3047 transitions. [2021-11-20 07:36:33,154 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 273 places, 316 transitions, 2953 flow [2021-11-20 07:36:33,226 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 247 places, 316 transitions, 2638 flow, removed 109 selfloop flow, removed 26 redundant places. [2021-11-20 07:36:33,235 INFO L242 Difference]: Finished difference. Result has 253 places, 275 transitions, 2006 flow [2021-11-20 07:36:33,236 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=1783, PETRI_DIFFERENCE_MINUEND_PLACES=217, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=272, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=88, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=184, PETRI_DIFFERENCE_SUBTRAHEND_STATES=31, PETRI_FLOW=2006, PETRI_PLACES=253, PETRI_TRANSITIONS=275} [2021-11-20 07:36:33,236 INFO L334 CegarLoopForPetriNet]: 159 programPoint places, 94 predicate places. [2021-11-20 07:36:33,237 INFO L470 AbstractCegarLoop]: Abstraction has has 253 places, 275 transitions, 2006 flow [2021-11-20 07:36:33,237 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 95.82608695652173) internal successors, (2204), 23 states have internal predecessors, (2204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:36:33,238 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 07:36:33,238 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:36:33,238 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-20 07:36:33,238 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-20 07:36:33,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:36:33,239 INFO L85 PathProgramCache]: Analyzing trace with hash 1687695302, now seen corresponding path program 3 times [2021-11-20 07:36:33,239 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:36:33,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726751596] [2021-11-20 07:36:33,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:36:33,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:36:33,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:35,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:36:35,042 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:36:35,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726751596] [2021-11-20 07:36:35,043 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1726751596] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:36:35,043 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:36:35,043 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2021-11-20 07:36:35,043 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179637831] [2021-11-20 07:36:35,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:36:35,044 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2021-11-20 07:36:35,044 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:36:35,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-11-20 07:36:35,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=550, Unknown=0, NotChecked=0, Total=650 [2021-11-20 07:36:35,049 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 92 out of 152 [2021-11-20 07:36:35,052 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 253 places, 275 transitions, 2006 flow. Second operand has 26 states, 26 states have (on average 93.6923076923077) internal successors, (2436), 26 states have internal predecessors, (2436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:36:35,052 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 07:36:35,052 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 92 of 152 [2021-11-20 07:36:35,053 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 07:36:39,122 INFO L129 PetriNetUnfolder]: 1757/5057 cut-off events. [2021-11-20 07:36:39,122 INFO L130 PetriNetUnfolder]: For 29028/29559 co-relation queries the response was YES. [2021-11-20 07:36:39,184 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20906 conditions, 5057 events. 1757/5057 cut-off events. For 29028/29559 co-relation queries the response was YES. Maximal size of possible extension queue 239. Compared 45383 event pairs, 673 based on Foata normal form. 147/5011 useless extension candidates. Maximal degree in co-relation 20753. Up to 1796 conditions per place. [2021-11-20 07:36:39,212 INFO L132 encePairwiseOnDemand]: 125/152 looper letters, 128 selfloop transitions, 154 changer transitions 28/402 dead transitions. [2021-11-20 07:36:39,212 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 285 places, 402 transitions, 4119 flow [2021-11-20 07:36:39,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-20 07:36:39,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2021-11-20 07:36:39,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 3765 transitions. [2021-11-20 07:36:39,219 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6351214574898786 [2021-11-20 07:36:39,219 INFO L72 ComplementDD]: Start complementDD. Operand 39 states and 3765 transitions. [2021-11-20 07:36:39,220 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 3765 transitions. [2021-11-20 07:36:39,221 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:36:39,222 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 39 states and 3765 transitions. [2021-11-20 07:36:39,230 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 40 states, 39 states have (on average 96.53846153846153) internal successors, (3765), 39 states have internal predecessors, (3765), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:36:39,240 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 40 states, 40 states have (on average 152.0) internal successors, (6080), 40 states have internal predecessors, (6080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:36:39,243 INFO L81 ComplementDD]: Finished complementDD. Result has 40 states, 40 states have (on average 152.0) internal successors, (6080), 40 states have internal predecessors, (6080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:36:39,243 INFO L186 Difference]: Start difference. First operand has 253 places, 275 transitions, 2006 flow. Second operand 39 states and 3765 transitions. [2021-11-20 07:36:39,243 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 285 places, 402 transitions, 4119 flow [2021-11-20 07:36:39,332 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 257 places, 402 transitions, 3861 flow, removed 22 selfloop flow, removed 28 redundant places. [2021-11-20 07:36:39,340 INFO L242 Difference]: Finished difference. Result has 271 places, 341 transitions, 3137 flow [2021-11-20 07:36:39,341 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=1841, PETRI_DIFFERENCE_MINUEND_PLACES=219, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=275, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=93, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=164, PETRI_DIFFERENCE_SUBTRAHEND_STATES=39, PETRI_FLOW=3137, PETRI_PLACES=271, PETRI_TRANSITIONS=341} [2021-11-20 07:36:39,342 INFO L334 CegarLoopForPetriNet]: 159 programPoint places, 112 predicate places. [2021-11-20 07:36:39,342 INFO L470 AbstractCegarLoop]: Abstraction has has 271 places, 341 transitions, 3137 flow [2021-11-20 07:36:39,343 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 93.6923076923077) internal successors, (2436), 26 states have internal predecessors, (2436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:36:39,343 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 07:36:39,343 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:36:39,343 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-20 07:36:39,343 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-20 07:36:39,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:36:39,344 INFO L85 PathProgramCache]: Analyzing trace with hash 841865970, now seen corresponding path program 4 times [2021-11-20 07:36:39,344 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:36:39,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132143597] [2021-11-20 07:36:39,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:36:39,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:36:39,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:39,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:36:39,923 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:36:39,923 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132143597] [2021-11-20 07:36:39,923 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132143597] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:36:39,923 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:36:39,923 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2021-11-20 07:36:39,923 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458892775] [2021-11-20 07:36:39,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:36:39,924 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-11-20 07:36:39,924 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:36:39,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-11-20 07:36:39,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2021-11-20 07:36:39,928 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 152 [2021-11-20 07:36:39,930 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 271 places, 341 transitions, 3137 flow. Second operand has 16 states, 16 states have (on average 113.0625) internal successors, (1809), 16 states have internal predecessors, (1809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:36:39,930 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 07:36:39,930 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 152 [2021-11-20 07:36:39,930 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 07:36:41,880 INFO L129 PetriNetUnfolder]: 1549/4573 cut-off events. [2021-11-20 07:36:41,880 INFO L130 PetriNetUnfolder]: For 29351/29775 co-relation queries the response was YES. [2021-11-20 07:36:41,937 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19155 conditions, 4573 events. 1549/4573 cut-off events. For 29351/29775 co-relation queries the response was YES. Maximal size of possible extension queue 228. Compared 41110 event pairs, 496 based on Foata normal form. 150/4573 useless extension candidates. Maximal degree in co-relation 18999. Up to 1231 conditions per place. [2021-11-20 07:36:41,960 INFO L132 encePairwiseOnDemand]: 135/152 looper letters, 142 selfloop transitions, 115 changer transitions 35/411 dead transitions. [2021-11-20 07:36:41,960 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 289 places, 411 transitions, 4576 flow [2021-11-20 07:36:41,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-11-20 07:36:41,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2021-11-20 07:36:41,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 2895 transitions. [2021-11-20 07:36:41,964 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7618421052631579 [2021-11-20 07:36:41,964 INFO L72 ComplementDD]: Start complementDD. Operand 25 states and 2895 transitions. [2021-11-20 07:36:41,965 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 2895 transitions. [2021-11-20 07:36:41,966 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:36:41,966 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 25 states and 2895 transitions. [2021-11-20 07:36:41,972 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 26 states, 25 states have (on average 115.8) internal successors, (2895), 25 states have internal predecessors, (2895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:36:41,979 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 26 states, 26 states have (on average 152.0) internal successors, (3952), 26 states have internal predecessors, (3952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:36:41,981 INFO L81 ComplementDD]: Finished complementDD. Result has 26 states, 26 states have (on average 152.0) internal successors, (3952), 26 states have internal predecessors, (3952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:36:41,981 INFO L186 Difference]: Start difference. First operand has 271 places, 341 transitions, 3137 flow. Second operand 25 states and 2895 transitions. [2021-11-20 07:36:41,981 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 289 places, 411 transitions, 4576 flow [2021-11-20 07:36:42,094 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 260 places, 411 transitions, 4370 flow, removed 67 selfloop flow, removed 29 redundant places. [2021-11-20 07:36:42,105 INFO L242 Difference]: Finished difference. Result has 276 places, 352 transitions, 3551 flow [2021-11-20 07:36:42,106 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=2999, PETRI_DIFFERENCE_MINUEND_PLACES=236, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=341, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=106, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=232, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=3551, PETRI_PLACES=276, PETRI_TRANSITIONS=352} [2021-11-20 07:36:42,107 INFO L334 CegarLoopForPetriNet]: 159 programPoint places, 117 predicate places. [2021-11-20 07:36:42,107 INFO L470 AbstractCegarLoop]: Abstraction has has 276 places, 352 transitions, 3551 flow [2021-11-20 07:36:42,108 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 113.0625) internal successors, (1809), 16 states have internal predecessors, (1809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:36:42,108 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 07:36:42,108 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:36:42,108 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-20 07:36:42,109 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-20 07:36:42,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:36:42,109 INFO L85 PathProgramCache]: Analyzing trace with hash 872590862, now seen corresponding path program 1 times [2021-11-20 07:36:42,110 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:36:42,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750181279] [2021-11-20 07:36:42,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:36:42,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:36:42,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:42,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:36:42,324 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:36:42,324 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750181279] [2021-11-20 07:36:42,325 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750181279] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:36:42,325 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:36:42,325 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-20 07:36:42,325 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473103] [2021-11-20 07:36:42,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:36:42,326 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 07:36:42,326 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:36:42,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 07:36:42,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-20 07:36:42,329 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 125 out of 152 [2021-11-20 07:36:42,330 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 276 places, 352 transitions, 3551 flow. Second operand has 7 states, 7 states have (on average 127.71428571428571) internal successors, (894), 7 states have internal predecessors, (894), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:36:42,330 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 07:36:42,330 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 125 of 152 [2021-11-20 07:36:42,330 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 07:36:45,062 INFO L129 PetriNetUnfolder]: 3260/8780 cut-off events. [2021-11-20 07:36:45,063 INFO L130 PetriNetUnfolder]: For 71210/71811 co-relation queries the response was YES. [2021-11-20 07:36:45,236 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39791 conditions, 8780 events. 3260/8780 cut-off events. For 71210/71811 co-relation queries the response was YES. Maximal size of possible extension queue 523. Compared 87269 event pairs, 483 based on Foata normal form. 244/8764 useless extension candidates. Maximal degree in co-relation 39642. Up to 1678 conditions per place. [2021-11-20 07:36:45,294 INFO L132 encePairwiseOnDemand]: 145/152 looper letters, 597 selfloop transitions, 10 changer transitions 6/760 dead transitions. [2021-11-20 07:36:45,294 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 271 places, 760 transitions, 10509 flow [2021-11-20 07:36:45,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:36:45,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-11-20 07:36:45,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1069 transitions. [2021-11-20 07:36:45,298 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8791118421052632 [2021-11-20 07:36:45,298 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1069 transitions. [2021-11-20 07:36:45,298 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1069 transitions. [2021-11-20 07:36:45,299 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:36:45,299 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1069 transitions. [2021-11-20 07:36:45,301 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 133.625) internal successors, (1069), 8 states have internal predecessors, (1069), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:36:45,304 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 152.0) internal successors, (1368), 9 states have internal predecessors, (1368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:36:45,304 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 152.0) internal successors, (1368), 9 states have internal predecessors, (1368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:36:45,304 INFO L186 Difference]: Start difference. First operand has 276 places, 352 transitions, 3551 flow. Second operand 8 states and 1069 transitions. [2021-11-20 07:36:45,305 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 271 places, 760 transitions, 10509 flow [2021-11-20 07:36:45,897 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 252 places, 760 transitions, 10149 flow, removed 147 selfloop flow, removed 19 redundant places. [2021-11-20 07:36:45,907 INFO L242 Difference]: Finished difference. Result has 257 places, 357 transitions, 3507 flow [2021-11-20 07:36:45,907 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=3412, PETRI_DIFFERENCE_MINUEND_PLACES=245, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=352, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=343, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=3507, PETRI_PLACES=257, PETRI_TRANSITIONS=357} [2021-11-20 07:36:45,908 INFO L334 CegarLoopForPetriNet]: 159 programPoint places, 98 predicate places. [2021-11-20 07:36:45,908 INFO L470 AbstractCegarLoop]: Abstraction has has 257 places, 357 transitions, 3507 flow [2021-11-20 07:36:45,908 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 127.71428571428571) internal successors, (894), 7 states have internal predecessors, (894), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:36:45,908 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 07:36:45,909 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:36:45,909 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-20 07:36:45,909 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-20 07:36:45,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:36:45,909 INFO L85 PathProgramCache]: Analyzing trace with hash -747321264, now seen corresponding path program 2 times [2021-11-20 07:36:45,909 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:36:45,910 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849560376] [2021-11-20 07:36:45,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:36:45,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:36:46,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:47,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:36:47,703 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:36:47,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849560376] [2021-11-20 07:36:47,703 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849560376] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:36:47,704 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:36:47,704 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2021-11-20 07:36:47,704 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137041537] [2021-11-20 07:36:47,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:36:47,705 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2021-11-20 07:36:47,705 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:36:47,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-11-20 07:36:47,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=489, Unknown=0, NotChecked=0, Total=600 [2021-11-20 07:36:47,708 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 92 out of 152 [2021-11-20 07:36:47,711 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 257 places, 357 transitions, 3507 flow. Second operand has 25 states, 25 states have (on average 93.76) internal successors, (2344), 25 states have internal predecessors, (2344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:36:47,711 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 07:36:47,711 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 92 of 152 [2021-11-20 07:36:47,711 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 07:36:50,950 INFO L129 PetriNetUnfolder]: 2594/7839 cut-off events. [2021-11-20 07:36:50,950 INFO L130 PetriNetUnfolder]: For 54589/55729 co-relation queries the response was YES. [2021-11-20 07:36:51,106 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32650 conditions, 7839 events. 2594/7839 cut-off events. For 54589/55729 co-relation queries the response was YES. Maximal size of possible extension queue 462. Compared 80661 event pairs, 792 based on Foata normal form. 293/7866 useless extension candidates. Maximal degree in co-relation 32492. Up to 2472 conditions per place. [2021-11-20 07:36:51,138 INFO L132 encePairwiseOnDemand]: 126/152 looper letters, 157 selfloop transitions, 140 changer transitions 55/456 dead transitions. [2021-11-20 07:36:51,139 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 286 places, 456 transitions, 5520 flow [2021-11-20 07:36:51,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-20 07:36:51,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2021-11-20 07:36:51,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 2888 transitions. [2021-11-20 07:36:51,143 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6333333333333333 [2021-11-20 07:36:51,143 INFO L72 ComplementDD]: Start complementDD. Operand 30 states and 2888 transitions. [2021-11-20 07:36:51,143 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 2888 transitions. [2021-11-20 07:36:51,144 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:36:51,144 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 30 states and 2888 transitions. [2021-11-20 07:36:51,148 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 31 states, 30 states have (on average 96.26666666666667) internal successors, (2888), 30 states have internal predecessors, (2888), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:36:51,155 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 31 states, 31 states have (on average 152.0) internal successors, (4712), 31 states have internal predecessors, (4712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:36:51,157 INFO L81 ComplementDD]: Finished complementDD. Result has 31 states, 31 states have (on average 152.0) internal successors, (4712), 31 states have internal predecessors, (4712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:36:51,157 INFO L186 Difference]: Start difference. First operand has 257 places, 357 transitions, 3507 flow. Second operand 30 states and 2888 transitions. [2021-11-20 07:36:51,157 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 286 places, 456 transitions, 5520 flow [2021-11-20 07:36:51,319 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 284 places, 456 transitions, 5455 flow, removed 29 selfloop flow, removed 2 redundant places. [2021-11-20 07:36:51,328 INFO L242 Difference]: Finished difference. Result has 297 places, 392 transitions, 4409 flow [2021-11-20 07:36:51,328 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=3474, PETRI_DIFFERENCE_MINUEND_PLACES=255, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=357, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=100, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=246, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=4409, PETRI_PLACES=297, PETRI_TRANSITIONS=392} [2021-11-20 07:36:51,329 INFO L334 CegarLoopForPetriNet]: 159 programPoint places, 138 predicate places. [2021-11-20 07:36:51,329 INFO L470 AbstractCegarLoop]: Abstraction has has 297 places, 392 transitions, 4409 flow [2021-11-20 07:36:51,330 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 93.76) internal successors, (2344), 25 states have internal predecessors, (2344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:36:51,330 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 07:36:51,331 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:36:51,331 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-20 07:36:51,331 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-20 07:36:51,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:36:51,332 INFO L85 PathProgramCache]: Analyzing trace with hash 358257836, now seen corresponding path program 1 times [2021-11-20 07:36:51,332 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:36:51,332 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910491055] [2021-11-20 07:36:51,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:36:51,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:36:51,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:51,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:36:51,513 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:36:51,513 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910491055] [2021-11-20 07:36:51,513 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [910491055] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:36:51,514 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:36:51,514 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-20 07:36:51,514 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68319518] [2021-11-20 07:36:51,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:36:51,515 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-20 07:36:51,515 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:36:51,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-20 07:36:51,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-20 07:36:51,517 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 124 out of 152 [2021-11-20 07:36:51,518 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 297 places, 392 transitions, 4409 flow. Second operand has 8 states, 8 states have (on average 126.25) internal successors, (1010), 8 states have internal predecessors, (1010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:36:51,518 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 07:36:51,519 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 124 of 152 [2021-11-20 07:36:51,519 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 07:36:55,123 INFO L129 PetriNetUnfolder]: 5180/10862 cut-off events. [2021-11-20 07:36:55,123 INFO L130 PetriNetUnfolder]: For 131054/132497 co-relation queries the response was YES. [2021-11-20 07:36:55,314 INFO L84 FinitePrefix]: Finished finitePrefix Result has 59600 conditions, 10862 events. 5180/10862 cut-off events. For 131054/132497 co-relation queries the response was YES. Maximal size of possible extension queue 682. Compared 97791 event pairs, 172 based on Foata normal form. 435/11153 useless extension candidates. Maximal degree in co-relation 59440. Up to 2886 conditions per place. [2021-11-20 07:36:55,342 INFO L132 encePairwiseOnDemand]: 142/152 looper letters, 345 selfloop transitions, 15 changer transitions 303/796 dead transitions. [2021-11-20 07:36:55,343 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 300 places, 796 transitions, 11740 flow [2021-11-20 07:36:55,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-20 07:36:55,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-11-20 07:36:55,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1480 transitions. [2021-11-20 07:36:55,345 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8851674641148325 [2021-11-20 07:36:55,346 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1480 transitions. [2021-11-20 07:36:55,346 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1480 transitions. [2021-11-20 07:36:55,347 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:36:55,347 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1480 transitions. [2021-11-20 07:36:55,350 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 134.54545454545453) internal successors, (1480), 11 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) [2021-11-20 07:36:55,353 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 152.0) internal successors, (1824), 12 states have internal predecessors, (1824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:36:55,353 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 152.0) internal successors, (1824), 12 states have internal predecessors, (1824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:36:55,353 INFO L186 Difference]: Start difference. First operand has 297 places, 392 transitions, 4409 flow. Second operand 11 states and 1480 transitions. [2021-11-20 07:36:55,354 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 300 places, 796 transitions, 11740 flow [2021-11-20 07:36:55,643 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 276 places, 796 transitions, 10963 flow, removed 244 selfloop flow, removed 24 redundant places. [2021-11-20 07:36:55,658 INFO L242 Difference]: Finished difference. Result has 282 places, 327 transitions, 3179 flow [2021-11-20 07:36:55,659 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=4091, PETRI_DIFFERENCE_MINUEND_PLACES=266, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=392, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=377, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=3179, PETRI_PLACES=282, PETRI_TRANSITIONS=327} [2021-11-20 07:36:55,659 INFO L334 CegarLoopForPetriNet]: 159 programPoint places, 123 predicate places. [2021-11-20 07:36:55,660 INFO L470 AbstractCegarLoop]: Abstraction has has 282 places, 327 transitions, 3179 flow [2021-11-20 07:36:55,660 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 126.25) internal successors, (1010), 8 states have internal predecessors, (1010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:36:55,660 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 07:36:55,661 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:36:55,661 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-20 07:36:55,661 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-20 07:36:55,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:36:55,662 INFO L85 PathProgramCache]: Analyzing trace with hash 10573495, now seen corresponding path program 1 times [2021-11-20 07:36:55,662 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:36:55,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441850925] [2021-11-20 07:36:55,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:36:55,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:36:55,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:36:57,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:36:57,254 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:36:57,254 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441850925] [2021-11-20 07:36:57,254 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441850925] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:36:57,254 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:36:57,254 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2021-11-20 07:36:57,255 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543641292] [2021-11-20 07:36:57,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:36:57,255 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2021-11-20 07:36:57,256 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:36:57,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-11-20 07:36:57,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=497, Unknown=0, NotChecked=0, Total=600 [2021-11-20 07:36:57,259 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 94 out of 152 [2021-11-20 07:36:57,261 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 282 places, 327 transitions, 3179 flow. Second operand has 25 states, 25 states have (on average 95.72) internal successors, (2393), 25 states have internal predecessors, (2393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:36:57,261 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 07:36:57,261 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 94 of 152 [2021-11-20 07:36:57,262 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 07:36:59,656 INFO L129 PetriNetUnfolder]: 1320/4562 cut-off events. [2021-11-20 07:36:59,656 INFO L130 PetriNetUnfolder]: For 31893/33509 co-relation queries the response was YES. [2021-11-20 07:36:59,722 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20060 conditions, 4562 events. 1320/4562 cut-off events. For 31893/33509 co-relation queries the response was YES. Maximal size of possible extension queue 404. Compared 46506 event pairs, 218 based on Foata normal form. 417/4846 useless extension candidates. Maximal degree in co-relation 19892. Up to 1066 conditions per place. [2021-11-20 07:36:59,738 INFO L132 encePairwiseOnDemand]: 128/152 looper letters, 149 selfloop transitions, 95 changer transitions 16/367 dead transitions. [2021-11-20 07:36:59,739 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 299 places, 367 transitions, 4197 flow [2021-11-20 07:36:59,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-20 07:36:59,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2021-11-20 07:36:59,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 2925 transitions. [2021-11-20 07:36:59,743 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6414473684210527 [2021-11-20 07:36:59,743 INFO L72 ComplementDD]: Start complementDD. Operand 30 states and 2925 transitions. [2021-11-20 07:36:59,744 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 2925 transitions. [2021-11-20 07:36:59,745 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:36:59,745 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 30 states and 2925 transitions. [2021-11-20 07:36:59,750 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 31 states, 30 states have (on average 97.5) internal successors, (2925), 30 states have internal predecessors, (2925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:36:59,757 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 31 states, 31 states have (on average 152.0) internal successors, (4712), 31 states have internal predecessors, (4712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:36:59,758 INFO L81 ComplementDD]: Finished complementDD. Result has 31 states, 31 states have (on average 152.0) internal successors, (4712), 31 states have internal predecessors, (4712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:36:59,758 INFO L186 Difference]: Start difference. First operand has 282 places, 327 transitions, 3179 flow. Second operand 30 states and 2925 transitions. [2021-11-20 07:36:59,759 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 299 places, 367 transitions, 4197 flow [2021-11-20 07:37:00,031 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 279 places, 367 transitions, 4040 flow, removed 55 selfloop flow, removed 20 redundant places. [2021-11-20 07:37:00,038 INFO L242 Difference]: Finished difference. Result has 289 places, 340 transitions, 3534 flow [2021-11-20 07:37:00,038 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=3046, PETRI_DIFFERENCE_MINUEND_PLACES=250, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=327, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=83, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=233, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=3534, PETRI_PLACES=289, PETRI_TRANSITIONS=340} [2021-11-20 07:37:00,039 INFO L334 CegarLoopForPetriNet]: 159 programPoint places, 130 predicate places. [2021-11-20 07:37:00,039 INFO L470 AbstractCegarLoop]: Abstraction has has 289 places, 340 transitions, 3534 flow [2021-11-20 07:37:00,039 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 95.72) internal successors, (2393), 25 states have internal predecessors, (2393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:37:00,039 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 07:37:00,039 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:37:00,040 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-20 07:37:00,040 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-20 07:37:00,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:37:00,040 INFO L85 PathProgramCache]: Analyzing trace with hash -1232894759, now seen corresponding path program 2 times [2021-11-20 07:37:00,040 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:37:00,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87472016] [2021-11-20 07:37:00,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:37:00,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:37:00,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:02,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:37:02,259 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:37:02,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87472016] [2021-11-20 07:37:02,259 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [87472016] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:37:02,259 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:37:02,260 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [33] imperfect sequences [] total 33 [2021-11-20 07:37:02,260 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549763266] [2021-11-20 07:37:02,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:37:02,260 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2021-11-20 07:37:02,260 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:37:02,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-11-20 07:37:02,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=156, Invalid=900, Unknown=0, NotChecked=0, Total=1056 [2021-11-20 07:37:02,265 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 152 [2021-11-20 07:37:02,268 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 289 places, 340 transitions, 3534 flow. Second operand has 33 states, 33 states have (on average 84.63636363636364) internal successors, (2793), 33 states have internal predecessors, (2793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:37:02,269 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 07:37:02,269 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 152 [2021-11-20 07:37:02,269 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 07:37:07,597 INFO L129 PetriNetUnfolder]: 2232/6307 cut-off events. [2021-11-20 07:37:07,597 INFO L130 PetriNetUnfolder]: For 51655/53749 co-relation queries the response was YES. [2021-11-20 07:37:07,660 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29045 conditions, 6307 events. 2232/6307 cut-off events. For 51655/53749 co-relation queries the response was YES. Maximal size of possible extension queue 590. Compared 63783 event pairs, 449 based on Foata normal form. 572/6672 useless extension candidates. Maximal degree in co-relation 28869. Up to 2072 conditions per place. [2021-11-20 07:37:07,685 INFO L132 encePairwiseOnDemand]: 120/152 looper letters, 269 selfloop transitions, 118 changer transitions 25/501 dead transitions. [2021-11-20 07:37:07,685 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 325 places, 501 transitions, 6318 flow [2021-11-20 07:37:07,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-11-20 07:37:07,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2021-11-20 07:37:07,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 3718 transitions. [2021-11-20 07:37:07,692 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5688494492044064 [2021-11-20 07:37:07,693 INFO L72 ComplementDD]: Start complementDD. Operand 43 states and 3718 transitions. [2021-11-20 07:37:07,693 INFO L73 IsDeterministic]: Start isDeterministic. Operand 43 states and 3718 transitions. [2021-11-20 07:37:07,694 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:37:07,694 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 43 states and 3718 transitions. [2021-11-20 07:37:07,702 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 44 states, 43 states have (on average 86.46511627906976) internal successors, (3718), 43 states have internal predecessors, (3718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:37:07,712 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 44 states, 44 states have (on average 152.0) internal successors, (6688), 44 states have internal predecessors, (6688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:37:07,713 INFO L81 ComplementDD]: Finished complementDD. Result has 44 states, 44 states have (on average 152.0) internal successors, (6688), 44 states have internal predecessors, (6688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:37:07,714 INFO L186 Difference]: Start difference. First operand has 289 places, 340 transitions, 3534 flow. Second operand 43 states and 3718 transitions. [2021-11-20 07:37:07,714 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 325 places, 501 transitions, 6318 flow [2021-11-20 07:37:07,985 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 300 places, 501 transitions, 6150 flow, removed 37 selfloop flow, removed 25 redundant places. [2021-11-20 07:37:07,996 INFO L242 Difference]: Finished difference. Result has 318 places, 414 transitions, 4839 flow [2021-11-20 07:37:07,996 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=3419, PETRI_DIFFERENCE_MINUEND_PLACES=258, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=340, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=53, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=257, PETRI_DIFFERENCE_SUBTRAHEND_STATES=43, PETRI_FLOW=4839, PETRI_PLACES=318, PETRI_TRANSITIONS=414} [2021-11-20 07:37:07,997 INFO L334 CegarLoopForPetriNet]: 159 programPoint places, 159 predicate places. [2021-11-20 07:37:07,997 INFO L470 AbstractCegarLoop]: Abstraction has has 318 places, 414 transitions, 4839 flow [2021-11-20 07:37:07,998 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 84.63636363636364) internal successors, (2793), 33 states have internal predecessors, (2793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:37:07,998 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 07:37:07,998 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:37:07,999 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-20 07:37:07,999 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-20 07:37:07,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:37:07,999 INFO L85 PathProgramCache]: Analyzing trace with hash -1160357765, now seen corresponding path program 3 times [2021-11-20 07:37:08,000 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:37:08,000 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129602087] [2021-11-20 07:37:08,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:37:08,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:37:08,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:10,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:37:10,085 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:37:10,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129602087] [2021-11-20 07:37:10,085 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129602087] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:37:10,085 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:37:10,085 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-11-20 07:37:10,085 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146511769] [2021-11-20 07:37:10,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:37:10,086 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-11-20 07:37:10,086 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:37:10,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-11-20 07:37:10,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=613, Unknown=0, NotChecked=0, Total=756 [2021-11-20 07:37:10,089 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 152 [2021-11-20 07:37:10,091 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 318 places, 414 transitions, 4839 flow. Second operand has 28 states, 28 states have (on average 91.67857142857143) internal successors, (2567), 28 states have internal predecessors, (2567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:37:10,091 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 07:37:10,091 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 152 [2021-11-20 07:37:10,091 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 07:37:13,267 INFO L129 PetriNetUnfolder]: 2088/6695 cut-off events. [2021-11-20 07:37:13,268 INFO L130 PetriNetUnfolder]: For 53671/55447 co-relation queries the response was YES. [2021-11-20 07:37:13,403 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29799 conditions, 6695 events. 2088/6695 cut-off events. For 53671/55447 co-relation queries the response was YES. Maximal size of possible extension queue 665. Compared 73240 event pairs, 254 based on Foata normal form. 545/7072 useless extension candidates. Maximal degree in co-relation 29607. Up to 1654 conditions per place. [2021-11-20 07:37:13,431 INFO L132 encePairwiseOnDemand]: 125/152 looper letters, 199 selfloop transitions, 142 changer transitions 13/471 dead transitions. [2021-11-20 07:37:13,432 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 337 places, 471 transitions, 6493 flow [2021-11-20 07:37:13,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-20 07:37:13,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2021-11-20 07:37:13,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 2990 transitions. [2021-11-20 07:37:13,436 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6147203947368421 [2021-11-20 07:37:13,437 INFO L72 ComplementDD]: Start complementDD. Operand 32 states and 2990 transitions. [2021-11-20 07:37:13,437 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 2990 transitions. [2021-11-20 07:37:13,438 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:37:13,438 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 32 states and 2990 transitions. [2021-11-20 07:37:13,444 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 33 states, 32 states have (on average 93.4375) internal successors, (2990), 32 states have internal predecessors, (2990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:37:13,450 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 33 states, 33 states have (on average 152.0) internal successors, (5016), 33 states have internal predecessors, (5016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:37:13,451 INFO L81 ComplementDD]: Finished complementDD. Result has 33 states, 33 states have (on average 152.0) internal successors, (5016), 33 states have internal predecessors, (5016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:37:13,452 INFO L186 Difference]: Start difference. First operand has 318 places, 414 transitions, 4839 flow. Second operand 32 states and 2990 transitions. [2021-11-20 07:37:13,452 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 337 places, 471 transitions, 6493 flow [2021-11-20 07:37:13,896 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 310 places, 471 transitions, 6164 flow, removed 139 selfloop flow, removed 27 redundant places. [2021-11-20 07:37:13,906 INFO L242 Difference]: Finished difference. Result has 320 places, 430 transitions, 5389 flow [2021-11-20 07:37:13,907 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=4610, PETRI_DIFFERENCE_MINUEND_PLACES=279, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=414, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=127, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=274, PETRI_DIFFERENCE_SUBTRAHEND_STATES=32, PETRI_FLOW=5389, PETRI_PLACES=320, PETRI_TRANSITIONS=430} [2021-11-20 07:37:13,907 INFO L334 CegarLoopForPetriNet]: 159 programPoint places, 161 predicate places. [2021-11-20 07:37:13,907 INFO L470 AbstractCegarLoop]: Abstraction has has 320 places, 430 transitions, 5389 flow [2021-11-20 07:37:13,908 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 91.67857142857143) internal successors, (2567), 28 states have internal predecessors, (2567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:37:13,908 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 07:37:13,908 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:37:13,908 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-11-20 07:37:13,908 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-20 07:37:13,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:37:13,909 INFO L85 PathProgramCache]: Analyzing trace with hash -552332663, now seen corresponding path program 4 times [2021-11-20 07:37:13,909 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:37:13,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526904285] [2021-11-20 07:37:13,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:37:13,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:37:13,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:14,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:37:14,780 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:37:14,780 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526904285] [2021-11-20 07:37:14,780 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526904285] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:37:14,780 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:37:14,780 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-11-20 07:37:14,780 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719724737] [2021-11-20 07:37:14,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:37:14,781 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-11-20 07:37:14,781 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:37:14,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-11-20 07:37:14,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=261, Unknown=0, NotChecked=0, Total=342 [2021-11-20 07:37:14,785 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 152 [2021-11-20 07:37:14,788 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 320 places, 430 transitions, 5389 flow. Second operand has 19 states, 19 states have (on average 111.84210526315789) internal successors, (2125), 19 states have internal predecessors, (2125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:37:14,789 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 07:37:14,789 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 152 [2021-11-20 07:37:14,789 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 07:37:17,772 INFO L129 PetriNetUnfolder]: 2267/7338 cut-off events. [2021-11-20 07:37:17,772 INFO L130 PetriNetUnfolder]: For 59666/62110 co-relation queries the response was YES. [2021-11-20 07:37:17,925 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32472 conditions, 7338 events. 2267/7338 cut-off events. For 59666/62110 co-relation queries the response was YES. Maximal size of possible extension queue 767. Compared 82780 event pairs, 239 based on Foata normal form. 701/7844 useless extension candidates. Maximal degree in co-relation 32286. Up to 1594 conditions per place. [2021-11-20 07:37:17,958 INFO L132 encePairwiseOnDemand]: 133/152 looper letters, 222 selfloop transitions, 108 changer transitions 15/479 dead transitions. [2021-11-20 07:37:17,958 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 334 places, 479 transitions, 6743 flow [2021-11-20 07:37:17,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-20 07:37:17,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-11-20 07:37:17,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 2395 transitions. [2021-11-20 07:37:17,962 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.75031328320802 [2021-11-20 07:37:17,962 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 2395 transitions. [2021-11-20 07:37:17,963 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 2395 transitions. [2021-11-20 07:37:17,963 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:37:17,964 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 2395 transitions. [2021-11-20 07:37:17,968 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 114.04761904761905) internal successors, (2395), 21 states have internal predecessors, (2395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:37:17,972 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 152.0) internal successors, (3344), 22 states have internal predecessors, (3344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:37:17,973 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 152.0) internal successors, (3344), 22 states have internal predecessors, (3344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:37:17,973 INFO L186 Difference]: Start difference. First operand has 320 places, 430 transitions, 5389 flow. Second operand 21 states and 2395 transitions. [2021-11-20 07:37:17,973 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 334 places, 479 transitions, 6743 flow [2021-11-20 07:37:18,527 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 308 places, 479 transitions, 6593 flow, removed 38 selfloop flow, removed 26 redundant places. [2021-11-20 07:37:18,537 INFO L242 Difference]: Finished difference. Result has 318 places, 447 transitions, 5873 flow [2021-11-20 07:37:18,538 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=5267, PETRI_DIFFERENCE_MINUEND_PLACES=288, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=430, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=91, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=331, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=5873, PETRI_PLACES=318, PETRI_TRANSITIONS=447} [2021-11-20 07:37:18,538 INFO L334 CegarLoopForPetriNet]: 159 programPoint places, 159 predicate places. [2021-11-20 07:37:18,539 INFO L470 AbstractCegarLoop]: Abstraction has has 318 places, 447 transitions, 5873 flow [2021-11-20 07:37:18,539 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 111.84210526315789) internal successors, (2125), 19 states have internal predecessors, (2125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:37:18,539 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 07:37:18,539 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:37:18,539 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-11-20 07:37:18,540 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-20 07:37:18,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:37:18,540 INFO L85 PathProgramCache]: Analyzing trace with hash 1107142859, now seen corresponding path program 5 times [2021-11-20 07:37:18,540 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:37:18,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454819929] [2021-11-20 07:37:18,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:37:18,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:37:18,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:20,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:37:20,506 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:37:20,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454819929] [2021-11-20 07:37:20,507 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454819929] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:37:20,507 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:37:20,507 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-11-20 07:37:20,507 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843912200] [2021-11-20 07:37:20,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:37:20,508 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2021-11-20 07:37:20,508 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:37:20,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-11-20 07:37:20,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=725, Unknown=0, NotChecked=0, Total=870 [2021-11-20 07:37:20,512 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 152 [2021-11-20 07:37:20,513 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 318 places, 447 transitions, 5873 flow. Second operand has 30 states, 30 states have (on average 91.56666666666666) internal successors, (2747), 30 states have internal predecessors, (2747), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:37:20,514 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 07:37:20,514 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 152 [2021-11-20 07:37:20,514 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 07:37:24,841 INFO L129 PetriNetUnfolder]: 2831/8720 cut-off events. [2021-11-20 07:37:24,841 INFO L130 PetriNetUnfolder]: For 85323/88752 co-relation queries the response was YES. [2021-11-20 07:37:25,013 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41033 conditions, 8720 events. 2831/8720 cut-off events. For 85323/88752 co-relation queries the response was YES. Maximal size of possible extension queue 944. Compared 99691 event pairs, 588 based on Foata normal form. 649/9062 useless extension candidates. Maximal degree in co-relation 40840. Up to 2798 conditions per place. [2021-11-20 07:37:25,050 INFO L132 encePairwiseOnDemand]: 125/152 looper letters, 276 selfloop transitions, 102 changer transitions 15/491 dead transitions. [2021-11-20 07:37:25,050 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 342 places, 491 transitions, 7358 flow [2021-11-20 07:37:25,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-20 07:37:25,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2021-11-20 07:37:25,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 2896 transitions. [2021-11-20 07:37:25,054 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6146010186757216 [2021-11-20 07:37:25,054 INFO L72 ComplementDD]: Start complementDD. Operand 31 states and 2896 transitions. [2021-11-20 07:37:25,054 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 2896 transitions. [2021-11-20 07:37:25,055 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:37:25,055 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 31 states and 2896 transitions. [2021-11-20 07:37:25,060 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 32 states, 31 states have (on average 93.41935483870968) internal successors, (2896), 31 states have internal predecessors, (2896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:37:25,066 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 32 states, 32 states have (on average 152.0) internal successors, (4864), 32 states have internal predecessors, (4864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:37:25,067 INFO L81 ComplementDD]: Finished complementDD. Result has 32 states, 32 states have (on average 152.0) internal successors, (4864), 32 states have internal predecessors, (4864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:37:25,067 INFO L186 Difference]: Start difference. First operand has 318 places, 447 transitions, 5873 flow. Second operand 31 states and 2896 transitions. [2021-11-20 07:37:25,068 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 342 places, 491 transitions, 7358 flow [2021-11-20 07:37:25,652 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 326 places, 491 transitions, 7175 flow, removed 39 selfloop flow, removed 16 redundant places. [2021-11-20 07:37:25,663 INFO L242 Difference]: Finished difference. Result has 335 places, 461 transitions, 6336 flow [2021-11-20 07:37:25,663 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=5725, PETRI_DIFFERENCE_MINUEND_PLACES=296, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=447, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=88, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=345, PETRI_DIFFERENCE_SUBTRAHEND_STATES=31, PETRI_FLOW=6336, PETRI_PLACES=335, PETRI_TRANSITIONS=461} [2021-11-20 07:37:25,664 INFO L334 CegarLoopForPetriNet]: 159 programPoint places, 176 predicate places. [2021-11-20 07:37:25,664 INFO L470 AbstractCegarLoop]: Abstraction has has 335 places, 461 transitions, 6336 flow [2021-11-20 07:37:25,664 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 91.56666666666666) internal successors, (2747), 30 states have internal predecessors, (2747), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:37:25,664 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 07:37:25,665 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:37:25,665 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-11-20 07:37:25,665 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-20 07:37:25,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:37:25,666 INFO L85 PathProgramCache]: Analyzing trace with hash 1708507287, now seen corresponding path program 6 times [2021-11-20 07:37:25,666 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:37:25,666 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111798623] [2021-11-20 07:37:25,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:37:25,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:37:25,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:27,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:37:27,618 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:37:27,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111798623] [2021-11-20 07:37:27,618 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111798623] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:37:27,618 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:37:27,618 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2021-11-20 07:37:27,619 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013048645] [2021-11-20 07:37:27,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:37:27,619 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2021-11-20 07:37:27,619 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:37:27,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-11-20 07:37:27,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=573, Unknown=0, NotChecked=0, Total=702 [2021-11-20 07:37:27,623 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 152 [2021-11-20 07:37:27,625 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 335 places, 461 transitions, 6336 flow. Second operand has 27 states, 27 states have (on average 92.70370370370371) internal successors, (2503), 27 states have internal predecessors, (2503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:37:27,625 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 07:37:27,625 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 152 [2021-11-20 07:37:27,626 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 07:37:31,200 INFO L129 PetriNetUnfolder]: 2550/8438 cut-off events. [2021-11-20 07:37:31,200 INFO L130 PetriNetUnfolder]: For 83370/85656 co-relation queries the response was YES. [2021-11-20 07:37:31,381 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38901 conditions, 8438 events. 2550/8438 cut-off events. For 83370/85656 co-relation queries the response was YES. Maximal size of possible extension queue 918. Compared 98743 event pairs, 257 based on Foata normal form. 641/8866 useless extension candidates. Maximal degree in co-relation 38700. Up to 1439 conditions per place. [2021-11-20 07:37:31,702 INFO L132 encePairwiseOnDemand]: 127/152 looper letters, 235 selfloop transitions, 134 changer transitions 14/501 dead transitions. [2021-11-20 07:37:31,702 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 358 places, 501 transitions, 7827 flow [2021-11-20 07:37:31,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-20 07:37:31,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2021-11-20 07:37:31,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 2832 transitions. [2021-11-20 07:37:31,705 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6210526315789474 [2021-11-20 07:37:31,706 INFO L72 ComplementDD]: Start complementDD. Operand 30 states and 2832 transitions. [2021-11-20 07:37:31,706 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 2832 transitions. [2021-11-20 07:37:31,707 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:37:31,707 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 30 states and 2832 transitions. [2021-11-20 07:37:31,711 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 31 states, 30 states have (on average 94.4) internal successors, (2832), 30 states have internal predecessors, (2832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:37:31,715 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 31 states, 31 states have (on average 152.0) internal successors, (4712), 31 states have internal predecessors, (4712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:37:31,715 INFO L81 ComplementDD]: Finished complementDD. Result has 31 states, 31 states have (on average 152.0) internal successors, (4712), 31 states have internal predecessors, (4712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:37:31,715 INFO L186 Difference]: Start difference. First operand has 335 places, 461 transitions, 6336 flow. Second operand 30 states and 2832 transitions. [2021-11-20 07:37:31,715 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 358 places, 501 transitions, 7827 flow [2021-11-20 07:37:32,327 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 336 places, 501 transitions, 7582 flow, removed 78 selfloop flow, removed 22 redundant places. [2021-11-20 07:37:32,337 INFO L242 Difference]: Finished difference. Result has 344 places, 473 transitions, 6830 flow [2021-11-20 07:37:32,337 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=6153, PETRI_DIFFERENCE_MINUEND_PLACES=307, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=461, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=126, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=333, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=6830, PETRI_PLACES=344, PETRI_TRANSITIONS=473} [2021-11-20 07:37:32,338 INFO L334 CegarLoopForPetriNet]: 159 programPoint places, 185 predicate places. [2021-11-20 07:37:32,338 INFO L470 AbstractCegarLoop]: Abstraction has has 344 places, 473 transitions, 6830 flow [2021-11-20 07:37:32,339 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 92.70370370370371) internal successors, (2503), 27 states have internal predecessors, (2503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:37:32,339 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 07:37:32,339 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:37:32,339 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-11-20 07:37:32,339 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-20 07:37:32,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:37:32,340 INFO L85 PathProgramCache]: Analyzing trace with hash 1939693263, now seen corresponding path program 1 times [2021-11-20 07:37:32,340 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:37:32,340 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115891925] [2021-11-20 07:37:32,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:37:32,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:37:32,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:32,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:37:32,797 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:37:32,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115891925] [2021-11-20 07:37:32,797 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115891925] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:37:32,798 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:37:32,798 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-11-20 07:37:32,798 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78391004] [2021-11-20 07:37:32,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:37:32,798 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-20 07:37:32,798 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:37:32,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-20 07:37:32,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2021-11-20 07:37:32,800 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 152 [2021-11-20 07:37:32,802 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 344 places, 473 transitions, 6830 flow. Second operand has 14 states, 14 states have (on average 112.57142857142857) internal successors, (1576), 14 states have internal predecessors, (1576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:37:32,802 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 07:37:32,802 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 152 [2021-11-20 07:37:32,802 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 07:37:36,360 INFO L129 PetriNetUnfolder]: 3096/10527 cut-off events. [2021-11-20 07:37:36,360 INFO L130 PetriNetUnfolder]: For 104484/107731 co-relation queries the response was YES. [2021-11-20 07:37:36,564 INFO L84 FinitePrefix]: Finished finitePrefix Result has 47179 conditions, 10527 events. 3096/10527 cut-off events. For 104484/107731 co-relation queries the response was YES. Maximal size of possible extension queue 1084. Compared 128437 event pairs, 318 based on Foata normal form. 889/11102 useless extension candidates. Maximal degree in co-relation 46984. Up to 1695 conditions per place. [2021-11-20 07:37:36,613 INFO L132 encePairwiseOnDemand]: 139/152 looper letters, 191 selfloop transitions, 195 changer transitions 10/530 dead transitions. [2021-11-20 07:37:36,613 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 352 places, 530 transitions, 8437 flow [2021-11-20 07:37:36,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-20 07:37:36,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-11-20 07:37:36,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1744 transitions. [2021-11-20 07:37:36,616 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7649122807017544 [2021-11-20 07:37:36,617 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1744 transitions. [2021-11-20 07:37:36,617 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1744 transitions. [2021-11-20 07:37:36,617 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:37:36,618 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1744 transitions. [2021-11-20 07:37:36,620 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 116.26666666666667) internal successors, (1744), 15 states have internal predecessors, (1744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:37:36,623 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 152.0) internal successors, (2432), 16 states have internal predecessors, (2432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:37:36,623 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 152.0) internal successors, (2432), 16 states have internal predecessors, (2432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:37:36,624 INFO L186 Difference]: Start difference. First operand has 344 places, 473 transitions, 6830 flow. Second operand 15 states and 1744 transitions. [2021-11-20 07:37:36,624 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 352 places, 530 transitions, 8437 flow [2021-11-20 07:37:37,362 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 328 places, 530 transitions, 8208 flow, removed 81 selfloop flow, removed 24 redundant places. [2021-11-20 07:37:37,372 INFO L242 Difference]: Finished difference. Result has 337 places, 483 transitions, 7507 flow [2021-11-20 07:37:37,373 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=6669, PETRI_DIFFERENCE_MINUEND_PLACES=314, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=473, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=185, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=281, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=7507, PETRI_PLACES=337, PETRI_TRANSITIONS=483} [2021-11-20 07:37:37,374 INFO L334 CegarLoopForPetriNet]: 159 programPoint places, 178 predicate places. [2021-11-20 07:37:37,374 INFO L470 AbstractCegarLoop]: Abstraction has has 337 places, 483 transitions, 7507 flow [2021-11-20 07:37:37,374 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 112.57142857142857) internal successors, (1576), 14 states have internal predecessors, (1576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:37:37,375 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 07:37:37,375 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:37:37,375 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-11-20 07:37:37,375 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-20 07:37:37,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:37:37,376 INFO L85 PathProgramCache]: Analyzing trace with hash 862792105, now seen corresponding path program 2 times [2021-11-20 07:37:37,376 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:37:37,376 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504239608] [2021-11-20 07:37:37,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:37:37,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:37:37,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:37,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:37:37,695 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:37:37,695 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504239608] [2021-11-20 07:37:37,695 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504239608] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:37:37,696 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:37:37,696 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-20 07:37:37,696 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656567613] [2021-11-20 07:37:37,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:37:37,696 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-20 07:37:37,696 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:37:37,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-20 07:37:37,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-11-20 07:37:37,699 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 152 [2021-11-20 07:37:37,700 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 337 places, 483 transitions, 7507 flow. Second operand has 11 states, 11 states have (on average 117.81818181818181) internal successors, (1296), 11 states have internal predecessors, (1296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:37:37,700 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 07:37:37,700 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 152 [2021-11-20 07:37:37,700 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 07:37:42,642 INFO L129 PetriNetUnfolder]: 5194/18285 cut-off events. [2021-11-20 07:37:42,642 INFO L130 PetriNetUnfolder]: For 155328/161539 co-relation queries the response was YES. [2021-11-20 07:37:43,062 INFO L84 FinitePrefix]: Finished finitePrefix Result has 75013 conditions, 18285 events. 5194/18285 cut-off events. For 155328/161539 co-relation queries the response was YES. Maximal size of possible extension queue 1904. Compared 249012 event pairs, 382 based on Foata normal form. 1394/19019 useless extension candidates. Maximal degree in co-relation 74829. Up to 3528 conditions per place. [2021-11-20 07:37:43,716 INFO L132 encePairwiseOnDemand]: 137/152 looper letters, 184 selfloop transitions, 271 changer transitions 17/611 dead transitions. [2021-11-20 07:37:43,716 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 342 places, 611 transitions, 11215 flow [2021-11-20 07:37:43,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-20 07:37:43,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-11-20 07:37:43,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1480 transitions. [2021-11-20 07:37:43,718 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8114035087719298 [2021-11-20 07:37:43,719 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1480 transitions. [2021-11-20 07:37:43,719 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1480 transitions. [2021-11-20 07:37:43,719 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:37:43,719 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1480 transitions. [2021-11-20 07:37:43,728 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 123.33333333333333) internal successors, (1480), 12 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) [2021-11-20 07:37:43,732 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 152.0) internal successors, (1976), 13 states have internal predecessors, (1976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:37:43,744 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 152.0) internal successors, (1976), 13 states have internal predecessors, (1976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:37:43,744 INFO L186 Difference]: Start difference. First operand has 337 places, 483 transitions, 7507 flow. Second operand 12 states and 1480 transitions. [2021-11-20 07:37:43,744 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 342 places, 611 transitions, 11215 flow [2021-11-20 07:37:46,187 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 331 places, 611 transitions, 10838 flow, removed 78 selfloop flow, removed 11 redundant places. [2021-11-20 07:37:46,205 INFO L242 Difference]: Finished difference. Result has 338 places, 561 transitions, 10028 flow [2021-11-20 07:37:46,206 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=7245, PETRI_DIFFERENCE_MINUEND_PLACES=320, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=483, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=208, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=266, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=10028, PETRI_PLACES=338, PETRI_TRANSITIONS=561} [2021-11-20 07:37:46,206 INFO L334 CegarLoopForPetriNet]: 159 programPoint places, 179 predicate places. [2021-11-20 07:37:46,207 INFO L470 AbstractCegarLoop]: Abstraction has has 338 places, 561 transitions, 10028 flow [2021-11-20 07:37:46,207 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 117.81818181818181) internal successors, (1296), 11 states have internal predecessors, (1296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:37:46,207 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 07:37:46,208 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:37:46,208 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-11-20 07:37:46,208 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-20 07:37:46,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:37:46,209 INFO L85 PathProgramCache]: Analyzing trace with hash -527572935, now seen corresponding path program 3 times [2021-11-20 07:37:46,209 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:37:46,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900330180] [2021-11-20 07:37:46,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:37:46,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:37:46,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:37:46,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:37:46,865 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:37:46,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900330180] [2021-11-20 07:37:46,865 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1900330180] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:37:46,865 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:37:46,865 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-11-20 07:37:46,865 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781283194] [2021-11-20 07:37:46,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:37:46,866 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-20 07:37:46,866 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:37:46,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-20 07:37:46,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2021-11-20 07:37:46,869 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 152 [2021-11-20 07:37:46,870 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 338 places, 561 transitions, 10028 flow. Second operand has 15 states, 15 states have (on average 114.26666666666667) internal successors, (1714), 15 states have internal predecessors, (1714), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:37:46,871 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 07:37:46,871 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 152 [2021-11-20 07:37:46,871 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 07:37:55,592 INFO L129 PetriNetUnfolder]: 6698/23781 cut-off events. [2021-11-20 07:37:55,592 INFO L130 PetriNetUnfolder]: For 190644/198249 co-relation queries the response was YES. [2021-11-20 07:37:56,113 INFO L84 FinitePrefix]: Finished finitePrefix Result has 93042 conditions, 23781 events. 6698/23781 cut-off events. For 190644/198249 co-relation queries the response was YES. Maximal size of possible extension queue 2546. Compared 337814 event pairs, 461 based on Foata normal form. 1638/24467 useless extension candidates. Maximal degree in co-relation 92856. Up to 4998 conditions per place. [2021-11-20 07:37:56,205 INFO L132 encePairwiseOnDemand]: 138/152 looper letters, 306 selfloop transitions, 180 changer transitions 17/639 dead transitions. [2021-11-20 07:37:56,205 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 347 places, 639 transitions, 12517 flow [2021-11-20 07:37:56,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-20 07:37:56,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-11-20 07:37:56,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1549 transitions. [2021-11-20 07:37:56,207 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7839068825910931 [2021-11-20 07:37:56,207 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1549 transitions. [2021-11-20 07:37:56,208 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1549 transitions. [2021-11-20 07:37:56,208 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:37:56,208 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1549 transitions. [2021-11-20 07:37:56,210 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 119.15384615384616) internal successors, (1549), 13 states have internal predecessors, (1549), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:37:56,213 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 152.0) internal successors, (2128), 14 states have internal predecessors, (2128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:37:56,213 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 152.0) internal successors, (2128), 14 states have internal predecessors, (2128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:37:56,214 INFO L186 Difference]: Start difference. First operand has 338 places, 561 transitions, 10028 flow. Second operand 13 states and 1549 transitions. [2021-11-20 07:37:56,214 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 347 places, 639 transitions, 12517 flow [2021-11-20 07:38:00,532 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 342 places, 639 transitions, 11950 flow, removed 280 selfloop flow, removed 5 redundant places. [2021-11-20 07:38:00,552 INFO L242 Difference]: Finished difference. Result has 349 places, 574 transitions, 10734 flow [2021-11-20 07:38:00,552 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=9585, PETRI_DIFFERENCE_MINUEND_PLACES=330, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=561, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=163, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=381, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=10734, PETRI_PLACES=349, PETRI_TRANSITIONS=574} [2021-11-20 07:38:00,553 INFO L334 CegarLoopForPetriNet]: 159 programPoint places, 190 predicate places. [2021-11-20 07:38:00,554 INFO L470 AbstractCegarLoop]: Abstraction has has 349 places, 574 transitions, 10734 flow [2021-11-20 07:38:00,554 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 114.26666666666667) internal successors, (1714), 15 states have internal predecessors, (1714), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:38:00,554 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 07:38:00,555 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:38:00,555 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-11-20 07:38:00,555 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-20 07:38:00,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:38:00,556 INFO L85 PathProgramCache]: Analyzing trace with hash -356611355, now seen corresponding path program 4 times [2021-11-20 07:38:00,556 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:38:00,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700854005] [2021-11-20 07:38:00,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:38:00,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:38:00,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:38:00,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:38:00,809 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:38:00,810 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700854005] [2021-11-20 07:38:00,810 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700854005] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:38:00,810 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:38:00,810 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-20 07:38:00,811 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960383311] [2021-11-20 07:38:00,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:38:00,811 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-20 07:38:00,812 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:38:00,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-20 07:38:00,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-11-20 07:38:00,815 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 124 out of 152 [2021-11-20 07:38:00,816 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 349 places, 574 transitions, 10734 flow. Second operand has 9 states, 9 states have (on average 126.33333333333333) internal successors, (1137), 9 states have internal predecessors, (1137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:38:00,817 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 07:38:00,817 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 124 of 152 [2021-11-20 07:38:00,817 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 07:38:20,109 INFO L129 PetriNetUnfolder]: 17302/44124 cut-off events. [2021-11-20 07:38:20,109 INFO L130 PetriNetUnfolder]: For 884211/888402 co-relation queries the response was YES. [2021-11-20 07:38:20,997 INFO L84 FinitePrefix]: Finished finitePrefix Result has 250123 conditions, 44124 events. 17302/44124 cut-off events. For 884211/888402 co-relation queries the response was YES. Maximal size of possible extension queue 4279. Compared 596376 event pairs, 280 based on Foata normal form. 1083/44812 useless extension candidates. Maximal degree in co-relation 250003. Up to 8363 conditions per place. [2021-11-20 07:38:21,386 INFO L132 encePairwiseOnDemand]: 142/152 looper letters, 802 selfloop transitions, 19 changer transitions 217/1194 dead transitions. [2021-11-20 07:38:21,386 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 354 places, 1194 transitions, 28173 flow [2021-11-20 07:38:21,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-20 07:38:21,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-11-20 07:38:21,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1574 transitions. [2021-11-20 07:38:21,390 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8629385964912281 [2021-11-20 07:38:21,390 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1574 transitions. [2021-11-20 07:38:21,390 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1574 transitions. [2021-11-20 07:38:21,391 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:38:21,391 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1574 transitions. [2021-11-20 07:38:21,393 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 131.16666666666666) internal successors, (1574), 12 states have internal predecessors, (1574), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:38:21,394 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 152.0) internal successors, (1976), 13 states have internal predecessors, (1976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:38:21,395 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 152.0) internal successors, (1976), 13 states have internal predecessors, (1976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:38:21,395 INFO L186 Difference]: Start difference. First operand has 349 places, 574 transitions, 10734 flow. Second operand 12 states and 1574 transitions. [2021-11-20 07:38:21,395 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 354 places, 1194 transitions, 28173 flow [2021-11-20 07:38:47,358 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 336 places, 1194 transitions, 25430 flow, removed 993 selfloop flow, removed 18 redundant places. [2021-11-20 07:38:47,390 INFO L242 Difference]: Finished difference. Result has 342 places, 521 transitions, 8693 flow [2021-11-20 07:38:47,391 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=9053, PETRI_DIFFERENCE_MINUEND_PLACES=325, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=545, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=526, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=8693, PETRI_PLACES=342, PETRI_TRANSITIONS=521} [2021-11-20 07:38:47,393 INFO L334 CegarLoopForPetriNet]: 159 programPoint places, 183 predicate places. [2021-11-20 07:38:47,393 INFO L470 AbstractCegarLoop]: Abstraction has has 342 places, 521 transitions, 8693 flow [2021-11-20 07:38:47,393 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 126.33333333333333) internal successors, (1137), 9 states have internal predecessors, (1137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:38:47,394 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 07:38:47,394 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:38:47,394 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-11-20 07:38:47,395 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-20 07:38:47,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:38:47,395 INFO L85 PathProgramCache]: Analyzing trace with hash 1138778996, now seen corresponding path program 1 times [2021-11-20 07:38:47,395 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:38:47,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882730801] [2021-11-20 07:38:47,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:38:47,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:38:47,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:38:48,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:38:48,596 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:38:48,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882730801] [2021-11-20 07:38:48,596 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1882730801] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:38:48,596 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:38:48,597 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-11-20 07:38:48,597 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701987997] [2021-11-20 07:38:48,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:38:48,597 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-11-20 07:38:48,597 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:38:48,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-11-20 07:38:48,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2021-11-20 07:38:48,601 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 98 out of 152 [2021-11-20 07:38:48,603 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 342 places, 521 transitions, 8693 flow. Second operand has 19 states, 19 states have (on average 100.21052631578948) internal successors, (1904), 19 states have internal predecessors, (1904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:38:48,603 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 07:38:48,603 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 98 of 152 [2021-11-20 07:38:48,603 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 07:38:55,678 INFO L129 PetriNetUnfolder]: 5259/18758 cut-off events. [2021-11-20 07:38:55,678 INFO L130 PetriNetUnfolder]: For 121514/126834 co-relation queries the response was YES. [2021-11-20 07:38:56,100 INFO L84 FinitePrefix]: Finished finitePrefix Result has 76658 conditions, 18758 events. 5259/18758 cut-off events. For 121514/126834 co-relation queries the response was YES. Maximal size of possible extension queue 2462. Compared 268191 event pairs, 204 based on Foata normal form. 648/18608 useless extension candidates. Maximal degree in co-relation 76470. Up to 3771 conditions per place. [2021-11-20 07:38:56,155 INFO L132 encePairwiseOnDemand]: 134/152 looper letters, 273 selfloop transitions, 173 changer transitions 8/578 dead transitions. [2021-11-20 07:38:56,155 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 351 places, 578 transitions, 10330 flow [2021-11-20 07:38:56,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-20 07:38:56,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-11-20 07:38:56,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 1653 transitions. [2021-11-20 07:38:56,158 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6796875 [2021-11-20 07:38:56,158 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 1653 transitions. [2021-11-20 07:38:56,158 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 1653 transitions. [2021-11-20 07:38:56,158 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:38:56,158 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 1653 transitions. [2021-11-20 07:38:56,160 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 103.3125) internal successors, (1653), 16 states have internal predecessors, (1653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:38:56,161 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 152.0) internal successors, (2584), 17 states have internal predecessors, (2584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:38:56,162 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 152.0) internal successors, (2584), 17 states have internal predecessors, (2584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:38:56,162 INFO L186 Difference]: Start difference. First operand has 342 places, 521 transitions, 8693 flow. Second operand 16 states and 1653 transitions. [2021-11-20 07:38:56,162 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 351 places, 578 transitions, 10330 flow [2021-11-20 07:39:01,784 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 328 places, 578 transitions, 9819 flow, removed 164 selfloop flow, removed 23 redundant places. [2021-11-20 07:39:01,801 INFO L242 Difference]: Finished difference. Result has 334 places, 537 transitions, 8929 flow [2021-11-20 07:39:01,802 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=8291, PETRI_DIFFERENCE_MINUEND_PLACES=313, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=521, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=160, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=355, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=8929, PETRI_PLACES=334, PETRI_TRANSITIONS=537} [2021-11-20 07:39:01,803 INFO L334 CegarLoopForPetriNet]: 159 programPoint places, 175 predicate places. [2021-11-20 07:39:01,803 INFO L470 AbstractCegarLoop]: Abstraction has has 334 places, 537 transitions, 8929 flow [2021-11-20 07:39:01,803 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 100.21052631578948) internal successors, (1904), 19 states have internal predecessors, (1904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:39:01,804 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 07:39:01,804 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:39:01,804 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-11-20 07:39:01,804 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-20 07:39:01,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:39:01,805 INFO L85 PathProgramCache]: Analyzing trace with hash 653183226, now seen corresponding path program 2 times [2021-11-20 07:39:01,805 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:39:01,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110685279] [2021-11-20 07:39:01,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:39:01,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:39:01,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:03,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:39:03,285 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:39:03,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110685279] [2021-11-20 07:39:03,285 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110685279] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:39:03,286 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:39:03,286 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2021-11-20 07:39:03,286 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116716209] [2021-11-20 07:39:03,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:39:03,286 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2021-11-20 07:39:03,286 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:39:03,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-11-20 07:39:03,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=514, Unknown=0, NotChecked=0, Total=600 [2021-11-20 07:39:03,289 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 152 [2021-11-20 07:39:03,291 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 334 places, 537 transitions, 8929 flow. Second operand has 25 states, 25 states have (on average 92.92) internal successors, (2323), 25 states have internal predecessors, (2323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:39:03,291 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 07:39:03,291 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 152 [2021-11-20 07:39:03,291 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 07:39:11,812 INFO L129 PetriNetUnfolder]: 6113/22253 cut-off events. [2021-11-20 07:39:11,812 INFO L130 PetriNetUnfolder]: For 105269/108727 co-relation queries the response was YES. [2021-11-20 07:39:12,259 INFO L84 FinitePrefix]: Finished finitePrefix Result has 66409 conditions, 22253 events. 6113/22253 cut-off events. For 105269/108727 co-relation queries the response was YES. Maximal size of possible extension queue 2989. Compared 328066 event pairs, 213 based on Foata normal form. 662/21917 useless extension candidates. Maximal degree in co-relation 66300. Up to 3836 conditions per place. [2021-11-20 07:39:12,309 INFO L132 encePairwiseOnDemand]: 134/152 looper letters, 255 selfloop transitions, 188 changer transitions 50/611 dead transitions. [2021-11-20 07:39:12,309 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 353 places, 611 transitions, 10740 flow [2021-11-20 07:39:12,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-20 07:39:12,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2021-11-20 07:39:12,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 2211 transitions. [2021-11-20 07:39:12,313 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6324370709382151 [2021-11-20 07:39:12,313 INFO L72 ComplementDD]: Start complementDD. Operand 23 states and 2211 transitions. [2021-11-20 07:39:12,313 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 2211 transitions. [2021-11-20 07:39:12,314 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:39:12,314 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 23 states and 2211 transitions. [2021-11-20 07:39:12,318 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 24 states, 23 states have (on average 96.1304347826087) internal successors, (2211), 23 states have internal predecessors, (2211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:39:12,322 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 24 states, 24 states have (on average 152.0) internal successors, (3648), 24 states have internal predecessors, (3648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:39:12,323 INFO L81 ComplementDD]: Finished complementDD. Result has 24 states, 24 states have (on average 152.0) internal successors, (3648), 24 states have internal predecessors, (3648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:39:12,323 INFO L186 Difference]: Start difference. First operand has 334 places, 537 transitions, 8929 flow. Second operand 23 states and 2211 transitions. [2021-11-20 07:39:12,323 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 353 places, 611 transitions, 10740 flow [2021-11-20 07:39:14,048 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 344 places, 611 transitions, 10480 flow, removed 51 selfloop flow, removed 9 redundant places. [2021-11-20 07:39:14,064 INFO L242 Difference]: Finished difference. Result has 356 places, 535 transitions, 9418 flow [2021-11-20 07:39:14,065 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=8725, PETRI_DIFFERENCE_MINUEND_PLACES=322, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=537, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=185, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=349, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=9418, PETRI_PLACES=356, PETRI_TRANSITIONS=535} [2021-11-20 07:39:14,065 INFO L334 CegarLoopForPetriNet]: 159 programPoint places, 197 predicate places. [2021-11-20 07:39:14,065 INFO L470 AbstractCegarLoop]: Abstraction has has 356 places, 535 transitions, 9418 flow [2021-11-20 07:39:14,066 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 92.92) internal successors, (2323), 25 states have internal predecessors, (2323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:39:14,066 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 07:39:14,066 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:39:14,066 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-11-20 07:39:14,066 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-20 07:39:14,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:39:14,067 INFO L85 PathProgramCache]: Analyzing trace with hash 1703242288, now seen corresponding path program 3 times [2021-11-20 07:39:14,067 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:39:14,067 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459370592] [2021-11-20 07:39:14,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:39:14,067 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:39:14,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:14,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:39:14,891 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:39:14,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459370592] [2021-11-20 07:39:14,891 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459370592] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:39:14,892 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:39:14,892 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-11-20 07:39:14,892 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93089825] [2021-11-20 07:39:14,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:39:14,892 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-20 07:39:14,893 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:39:14,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-20 07:39:14,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=251, Unknown=0, NotChecked=0, Total=306 [2021-11-20 07:39:14,896 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 152 [2021-11-20 07:39:14,898 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 356 places, 535 transitions, 9418 flow. Second operand has 18 states, 18 states have (on average 101.33333333333333) internal successors, (1824), 18 states have internal predecessors, (1824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:39:14,898 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 07:39:14,898 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 152 [2021-11-20 07:39:14,898 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 07:39:25,434 INFO L129 PetriNetUnfolder]: 9109/31151 cut-off events. [2021-11-20 07:39:25,435 INFO L130 PetriNetUnfolder]: For 175118/181020 co-relation queries the response was YES. [2021-11-20 07:39:26,096 INFO L84 FinitePrefix]: Finished finitePrefix Result has 95210 conditions, 31151 events. 9109/31151 cut-off events. For 175118/181020 co-relation queries the response was YES. Maximal size of possible extension queue 4181. Compared 471856 event pairs, 491 based on Foata normal form. 754/30329 useless extension candidates. Maximal degree in co-relation 95083. Up to 5342 conditions per place. [2021-11-20 07:39:26,158 INFO L132 encePairwiseOnDemand]: 135/152 looper letters, 334 selfloop transitions, 194 changer transitions 25/658 dead transitions. [2021-11-20 07:39:26,158 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 365 places, 658 transitions, 12331 flow [2021-11-20 07:39:26,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-20 07:39:26,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-11-20 07:39:26,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 1901 transitions. [2021-11-20 07:39:26,161 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6948099415204678 [2021-11-20 07:39:26,161 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 1901 transitions. [2021-11-20 07:39:26,161 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 1901 transitions. [2021-11-20 07:39:26,162 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:39:26,162 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 1901 transitions. [2021-11-20 07:39:26,164 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 105.61111111111111) internal successors, (1901), 18 states have internal predecessors, (1901), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:39:26,166 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 152.0) internal successors, (2888), 19 states have internal predecessors, (2888), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:39:26,166 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 152.0) internal successors, (2888), 19 states have internal predecessors, (2888), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:39:26,166 INFO L186 Difference]: Start difference. First operand has 356 places, 535 transitions, 9418 flow. Second operand 18 states and 1901 transitions. [2021-11-20 07:39:26,166 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 365 places, 658 transitions, 12331 flow [2021-11-20 07:39:29,289 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 348 places, 658 transitions, 12197 flow, removed 23 selfloop flow, removed 17 redundant places. [2021-11-20 07:39:29,305 INFO L242 Difference]: Finished difference. Result has 359 places, 591 transitions, 11155 flow [2021-11-20 07:39:29,306 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=9304, PETRI_DIFFERENCE_MINUEND_PLACES=331, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=535, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=146, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=357, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=11155, PETRI_PLACES=359, PETRI_TRANSITIONS=591} [2021-11-20 07:39:29,306 INFO L334 CegarLoopForPetriNet]: 159 programPoint places, 200 predicate places. [2021-11-20 07:39:29,307 INFO L470 AbstractCegarLoop]: Abstraction has has 359 places, 591 transitions, 11155 flow [2021-11-20 07:39:29,307 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 101.33333333333333) internal successors, (1824), 18 states have internal predecessors, (1824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:39:29,307 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 07:39:29,308 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:39:29,308 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-11-20 07:39:29,308 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-20 07:39:29,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:39:29,308 INFO L85 PathProgramCache]: Analyzing trace with hash 169967424, now seen corresponding path program 4 times [2021-11-20 07:39:29,308 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:39:29,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735340370] [2021-11-20 07:39:29,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:39:29,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:39:29,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:39:30,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:39:30,982 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:39:30,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735340370] [2021-11-20 07:39:30,983 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [735340370] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:39:30,983 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:39:30,983 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2021-11-20 07:39:30,983 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385915878] [2021-11-20 07:39:30,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:39:30,983 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-11-20 07:39:30,984 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:39:30,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-11-20 07:39:30,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=434, Unknown=0, NotChecked=0, Total=506 [2021-11-20 07:39:30,986 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 92 out of 152 [2021-11-20 07:39:30,988 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 359 places, 591 transitions, 11155 flow. Second operand has 23 states, 23 states have (on average 94.1304347826087) internal successors, (2165), 23 states have internal predecessors, (2165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:39:30,988 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 07:39:30,988 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 92 of 152 [2021-11-20 07:39:30,989 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand