./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/rfi006_pso.oepc_pso.opt_tso.oepc_tso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb4aacd-bd80-4849-82b3-74ee363f7ea7/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb4aacd-bd80-4849-82b3-74ee363f7ea7/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb4aacd-bd80-4849-82b3-74ee363f7ea7/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb4aacd-bd80-4849-82b3-74ee363f7ea7/bin/uautomizer-YU5uOKAj3y/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/rfi006_pso.oepc_pso.opt_tso.oepc_tso.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb4aacd-bd80-4849-82b3-74ee363f7ea7/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb4aacd-bd80-4849-82b3-74ee363f7ea7/bin/uautomizer-YU5uOKAj3y --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 596bf38d5c1bddbb7fa933c2910678824d7396d44da5246db401a53a5b4ba843 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 17:55:32,014 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 17:55:32,016 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 17:55:32,046 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 17:55:32,047 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 17:55:32,048 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 17:55:32,050 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 17:55:32,052 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 17:55:32,055 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 17:55:32,056 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 17:55:32,057 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 17:55:32,059 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 17:55:32,059 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 17:55:32,061 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 17:55:32,062 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 17:55:32,064 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 17:55:32,065 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 17:55:32,066 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 17:55:32,069 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 17:55:32,072 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 17:55:32,079 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 17:55:32,082 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 17:55:32,090 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 17:55:32,091 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 17:55:32,095 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 17:55:32,098 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 17:55:32,102 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 17:55:32,103 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 17:55:32,104 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 17:55:32,105 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 17:55:32,105 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 17:55:32,106 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 17:55:32,106 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 17:55:32,107 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 17:55:32,109 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 17:55:32,109 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 17:55:32,110 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 17:55:32,110 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 17:55:32,110 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 17:55:32,111 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 17:55:32,112 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 17:55:32,116 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb4aacd-bd80-4849-82b3-74ee363f7ea7/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-13 17:55:32,162 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 17:55:32,162 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 17:55:32,163 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 17:55:32,163 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 17:55:32,164 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 17:55:32,164 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 17:55:32,165 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 17:55:32,165 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 17:55:32,166 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 17:55:32,166 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 17:55:32,167 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 17:55:32,167 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 17:55:32,168 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 17:55:32,168 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 17:55:32,168 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 17:55:32,168 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 17:55:32,169 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 17:55:32,169 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 17:55:32,169 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 17:55:32,169 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 17:55:32,170 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 17:55:32,170 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 17:55:32,170 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 17:55:32,170 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 17:55:32,171 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 17:55:32,171 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 17:55:32,171 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 17:55:32,171 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 17:55:32,172 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-13 17:55:32,174 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 17:55:32,174 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-13 17:55:32,174 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-13 17:55:32,174 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 17:55:32,175 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 17:55:32,175 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_4bb4aacd-bd80-4849-82b3-74ee363f7ea7/bin/uautomizer-YU5uOKAj3y/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb4aacd-bd80-4849-82b3-74ee363f7ea7/bin/uautomizer-YU5uOKAj3y Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 596bf38d5c1bddbb7fa933c2910678824d7396d44da5246db401a53a5b4ba843 [2021-11-13 17:55:32,460 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 17:55:32,492 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 17:55:32,495 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 17:55:32,496 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 17:55:32,497 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 17:55:32,499 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb4aacd-bd80-4849-82b3-74ee363f7ea7/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/pthread-wmm/rfi006_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2021-11-13 17:55:32,599 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb4aacd-bd80-4849-82b3-74ee363f7ea7/bin/uautomizer-YU5uOKAj3y/data/c479c0a34/dc405c9657a346afa3443bacc08f81d0/FLAGd6a3a638e [2021-11-13 17:55:33,189 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 17:55:33,190 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb4aacd-bd80-4849-82b3-74ee363f7ea7/sv-benchmarks/c/pthread-wmm/rfi006_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2021-11-13 17:55:33,204 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb4aacd-bd80-4849-82b3-74ee363f7ea7/bin/uautomizer-YU5uOKAj3y/data/c479c0a34/dc405c9657a346afa3443bacc08f81d0/FLAGd6a3a638e [2021-11-13 17:55:33,458 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb4aacd-bd80-4849-82b3-74ee363f7ea7/bin/uautomizer-YU5uOKAj3y/data/c479c0a34/dc405c9657a346afa3443bacc08f81d0 [2021-11-13 17:55:33,460 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 17:55:33,462 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 17:55:33,463 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 17:55:33,463 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 17:55:33,467 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 17:55:33,467 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:55:33" (1/1) ... [2021-11-13 17:55:33,468 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d87dbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:55:33, skipping insertion in model container [2021-11-13 17:55:33,469 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:55:33" (1/1) ... [2021-11-13 17:55:33,476 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 17:55:33,530 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 17:55:33,722 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb4aacd-bd80-4849-82b3-74ee363f7ea7/sv-benchmarks/c/pthread-wmm/rfi006_pso.oepc_pso.opt_tso.oepc_tso.opt.i[974,987] [2021-11-13 17:55:34,029 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 17:55:34,039 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 17:55:34,051 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb4aacd-bd80-4849-82b3-74ee363f7ea7/sv-benchmarks/c/pthread-wmm/rfi006_pso.oepc_pso.opt_tso.oepc_tso.opt.i[974,987] [2021-11-13 17:55:34,130 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 17:55:34,181 INFO L208 MainTranslator]: Completed translation [2021-11-13 17:55:34,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:55:34 WrapperNode [2021-11-13 17:55:34,182 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 17:55:34,183 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 17:55:34,183 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 17:55:34,183 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 17:55:34,192 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:55:34" (1/1) ... [2021-11-13 17:55:34,217 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:55:34" (1/1) ... [2021-11-13 17:55:34,286 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 17:55:34,287 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 17:55:34,287 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 17:55:34,287 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 17:55:34,300 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:55:34" (1/1) ... [2021-11-13 17:55:34,300 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:55:34" (1/1) ... [2021-11-13 17:55:34,324 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:55:34" (1/1) ... [2021-11-13 17:55:34,325 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:55:34" (1/1) ... [2021-11-13 17:55:34,361 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:55:34" (1/1) ... [2021-11-13 17:55:34,366 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:55:34" (1/1) ... [2021-11-13 17:55:34,370 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:55:34" (1/1) ... [2021-11-13 17:55:34,391 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 17:55:34,392 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 17:55:34,392 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 17:55:34,392 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 17:55:34,393 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:55:34" (1/1) ... [2021-11-13 17:55:34,403 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 17:55:34,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb4aacd-bd80-4849-82b3-74ee363f7ea7/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:55:34,441 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb4aacd-bd80-4849-82b3-74ee363f7ea7/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 17:55:34,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb4aacd-bd80-4849-82b3-74ee363f7ea7/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 17:55:34,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 17:55:34,495 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-13 17:55:34,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 17:55:34,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 17:55:34,496 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-13 17:55:34,496 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-13 17:55:34,496 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-13 17:55:34,497 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-13 17:55:34,497 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-11-13 17:55:34,498 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-11-13 17:55:34,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 17:55:34,498 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-13 17:55:34,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 17:55:34,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 17:55:34,501 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-13 17:55:36,034 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 17:55:36,035 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-13 17:55:36,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:55:36 BoogieIcfgContainer [2021-11-13 17:55:36,038 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 17:55:36,039 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 17:55:36,040 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 17:55:36,043 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 17:55:36,043 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 05:55:33" (1/3) ... [2021-11-13 17:55:36,044 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@686beb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 05:55:36, skipping insertion in model container [2021-11-13 17:55:36,044 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:55:34" (2/3) ... [2021-11-13 17:55:36,045 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@686beb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 05:55:36, skipping insertion in model container [2021-11-13 17:55:36,045 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:55:36" (3/3) ... [2021-11-13 17:55:36,046 INFO L111 eAbstractionObserver]: Analyzing ICFG rfi006_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2021-11-13 17:55:36,052 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-13 17:55:36,052 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 17:55:36,053 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-13 17:55:36,053 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-13 17:55:36,114 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,115 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,115 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,115 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,115 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,116 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,116 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,116 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,116 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,118 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,119 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,119 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,119 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,119 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,120 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,121 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,121 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,121 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,122 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,122 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,123 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,123 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,124 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,125 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,125 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,125 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,126 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,127 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,127 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,127 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,128 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,128 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,128 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,128 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,129 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,129 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,129 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,129 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,130 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,130 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,130 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,130 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,131 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,131 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,131 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,131 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite25#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,131 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,132 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,132 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,132 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,133 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,133 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,133 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,133 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,133 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,134 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,134 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,134 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,134 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,134 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite25#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,135 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,135 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,135 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,135 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,135 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,136 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,137 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,137 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,137 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,138 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,138 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,138 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,138 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,139 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,139 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,139 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,139 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,140 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,140 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,140 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,141 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,142 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,142 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,143 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite25#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,144 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,147 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,147 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,147 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,149 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,149 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,150 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,150 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,150 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,150 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,157 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,158 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,158 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,158 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite25#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,158 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,158 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,159 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,159 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,159 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,159 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,159 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,160 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,160 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,160 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,160 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,160 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,160 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,161 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,161 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,161 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,161 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,161 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,162 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,162 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,163 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,164 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,164 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,164 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,164 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,164 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,165 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,165 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,165 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,165 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,166 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,166 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,166 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,166 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,167 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,167 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,167 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,167 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,168 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,168 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,168 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,168 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,169 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,169 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,169 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,169 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,169 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,170 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,170 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,170 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,170 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,170 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,171 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,171 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,171 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,172 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,173 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,173 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,173 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,173 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,176 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,176 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,176 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,176 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,184 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,184 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,185 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,185 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,185 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,185 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,186 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,186 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,186 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,186 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,187 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,187 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,188 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,188 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,188 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,188 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,189 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,189 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,189 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,189 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,190 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,190 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,191 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,191 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,191 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,191 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,191 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,192 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,192 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,192 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,192 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,193 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,193 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,193 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,193 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,193 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,194 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,194 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,194 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,194 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,195 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,195 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,195 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,195 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,196 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,196 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,196 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,196 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,196 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,198 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,201 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,202 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,203 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,203 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite25#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,203 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:36,204 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-13 17:55:36,267 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 17:55:36,274 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-13 17:55:36,274 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-13 17:55:36,287 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 123 places, 115 transitions, 245 flow [2021-11-13 17:55:36,334 INFO L129 PetriNetUnfolder]: 2/112 cut-off events. [2021-11-13 17:55:36,335 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-13 17:55:36,338 INFO L84 FinitePrefix]: Finished finitePrefix Result has 122 conditions, 112 events. 2/112 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 55 event pairs, 0 based on Foata normal form. 0/108 useless extension candidates. Maximal degree in co-relation 73. Up to 2 conditions per place. [2021-11-13 17:55:36,338 INFO L82 GeneralOperation]: Start removeDead. Operand has 123 places, 115 transitions, 245 flow [2021-11-13 17:55:36,344 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 120 places, 112 transitions, 233 flow [2021-11-13 17:55:36,357 INFO L129 PetriNetUnfolder]: 0/59 cut-off events. [2021-11-13 17:55:36,357 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-13 17:55:36,357 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 17:55:36,358 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] [2021-11-13 17:55:36,358 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-11-13 17:55:36,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:55:36,364 INFO L85 PathProgramCache]: Analyzing trace with hash -1079008045, now seen corresponding path program 1 times [2021-11-13 17:55:36,373 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:55:36,373 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011116381] [2021-11-13 17:55:36,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:55:36,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:55:36,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:55:36,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:55:36,749 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:55:36,750 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011116381] [2021-11-13 17:55:36,751 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2011116381] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:55:36,751 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:55:36,751 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-13 17:55:36,753 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171769529] [2021-11-13 17:55:36,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:55:36,764 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 17:55:36,764 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:55:36,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 17:55:36,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 17:55:36,804 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 100 out of 115 [2021-11-13 17:55:36,811 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 112 transitions, 233 flow. Second operand has 3 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:55:36,811 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 17:55:36,812 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 115 [2021-11-13 17:55:36,813 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 17:55:37,055 INFO L129 PetriNetUnfolder]: 80/360 cut-off events. [2021-11-13 17:55:37,056 INFO L130 PetriNetUnfolder]: For 11/11 co-relation queries the response was YES. [2021-11-13 17:55:37,060 INFO L84 FinitePrefix]: Finished finitePrefix Result has 526 conditions, 360 events. 80/360 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1581 event pairs, 11 based on Foata normal form. 14/352 useless extension candidates. Maximal degree in co-relation 474. Up to 112 conditions per place. [2021-11-13 17:55:37,066 INFO L132 encePairwiseOnDemand]: 110/115 looper letters, 14 selfloop transitions, 2 changer transitions 0/113 dead transitions. [2021-11-13 17:55:37,066 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 120 places, 113 transitions, 270 flow [2021-11-13 17:55:37,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 17:55:37,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-13 17:55:37,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 321 transitions. [2021-11-13 17:55:37,089 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9304347826086956 [2021-11-13 17:55:37,090 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 321 transitions. [2021-11-13 17:55:37,090 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 321 transitions. [2021-11-13 17:55:37,095 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 17:55:37,098 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 321 transitions. [2021-11-13 17:55:37,104 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:55:37,119 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 115.0) internal successors, (460), 4 states have internal predecessors, (460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:55:37,119 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 115.0) internal successors, (460), 4 states have internal predecessors, (460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:55:37,122 INFO L186 Difference]: Start difference. First operand has 120 places, 112 transitions, 233 flow. Second operand 3 states and 321 transitions. [2021-11-13 17:55:37,123 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 120 places, 113 transitions, 270 flow [2021-11-13 17:55:37,129 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 117 places, 113 transitions, 266 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-11-13 17:55:37,137 INFO L242 Difference]: Finished difference. Result has 117 places, 108 transitions, 226 flow [2021-11-13 17:55:37,140 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=222, PETRI_DIFFERENCE_MINUEND_PLACES=115, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=108, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=226, PETRI_PLACES=117, PETRI_TRANSITIONS=108} [2021-11-13 17:55:37,151 INFO L334 CegarLoopForPetriNet]: 120 programPoint places, -3 predicate places. [2021-11-13 17:55:37,151 INFO L470 AbstractCegarLoop]: Abstraction has has 117 places, 108 transitions, 226 flow [2021-11-13 17:55:37,152 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:55:37,152 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 17:55:37,153 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] [2021-11-13 17:55:37,153 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-13 17:55:37,153 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-11-13 17:55:37,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:55:37,154 INFO L85 PathProgramCache]: Analyzing trace with hash 441085771, now seen corresponding path program 1 times [2021-11-13 17:55:37,154 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:55:37,155 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042091158] [2021-11-13 17:55:37,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:55:37,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:55:37,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:55:37,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:55:37,515 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:55:37,515 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042091158] [2021-11-13 17:55:37,515 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1042091158] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:55:37,516 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:55:37,516 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-13 17:55:37,516 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946846944] [2021-11-13 17:55:37,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:55:37,520 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 17:55:37,521 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:55:37,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 17:55:37,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-13 17:55:37,524 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 93 out of 115 [2021-11-13 17:55:37,526 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 108 transitions, 226 flow. Second operand has 6 states, 6 states have (on average 94.83333333333333) internal successors, (569), 6 states have internal predecessors, (569), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:55:37,526 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 17:55:37,526 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 93 of 115 [2021-11-13 17:55:37,526 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 17:55:38,213 INFO L129 PetriNetUnfolder]: 470/1457 cut-off events. [2021-11-13 17:55:38,213 INFO L130 PetriNetUnfolder]: For 69/69 co-relation queries the response was YES. [2021-11-13 17:55:38,221 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2313 conditions, 1457 events. 470/1457 cut-off events. For 69/69 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 10325 event pairs, 236 based on Foata normal form. 0/1405 useless extension candidates. Maximal degree in co-relation 2261. Up to 379 conditions per place. [2021-11-13 17:55:38,230 INFO L132 encePairwiseOnDemand]: 109/115 looper letters, 22 selfloop transitions, 2 changer transitions 51/154 dead transitions. [2021-11-13 17:55:38,231 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 154 transitions, 464 flow [2021-11-13 17:55:38,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 17:55:38,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-11-13 17:55:38,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 903 transitions. [2021-11-13 17:55:38,237 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8724637681159421 [2021-11-13 17:55:38,237 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 903 transitions. [2021-11-13 17:55:38,237 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 903 transitions. [2021-11-13 17:55:38,238 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 17:55:38,238 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 903 transitions. [2021-11-13 17:55:38,241 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 100.33333333333333) internal successors, (903), 9 states have internal predecessors, (903), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:55:38,247 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 115.0) internal successors, (1150), 10 states have internal predecessors, (1150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:55:38,248 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 115.0) internal successors, (1150), 10 states have internal predecessors, (1150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:55:38,248 INFO L186 Difference]: Start difference. First operand has 117 places, 108 transitions, 226 flow. Second operand 9 states and 903 transitions. [2021-11-13 17:55:38,248 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 154 transitions, 464 flow [2021-11-13 17:55:38,252 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 154 transitions, 446 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-11-13 17:55:38,256 INFO L242 Difference]: Finished difference. Result has 130 places, 96 transitions, 218 flow [2021-11-13 17:55:38,257 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=222, PETRI_DIFFERENCE_MINUEND_PLACES=115, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=108, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=218, PETRI_PLACES=130, PETRI_TRANSITIONS=96} [2021-11-13 17:55:38,258 INFO L334 CegarLoopForPetriNet]: 120 programPoint places, 10 predicate places. [2021-11-13 17:55:38,258 INFO L470 AbstractCegarLoop]: Abstraction has has 130 places, 96 transitions, 218 flow [2021-11-13 17:55:38,259 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 94.83333333333333) internal successors, (569), 6 states have internal predecessors, (569), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:55:38,259 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 17:55:38,259 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] [2021-11-13 17:55:38,259 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-13 17:55:38,260 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-11-13 17:55:38,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:55:38,261 INFO L85 PathProgramCache]: Analyzing trace with hash -301262582, now seen corresponding path program 1 times [2021-11-13 17:55:38,261 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:55:38,261 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258122796] [2021-11-13 17:55:38,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:55:38,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:55:38,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:55:38,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:55:38,479 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:55:38,480 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258122796] [2021-11-13 17:55:38,480 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258122796] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:55:38,480 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:55:38,480 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-13 17:55:38,480 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108076490] [2021-11-13 17:55:38,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:55:38,481 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-13 17:55:38,481 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:55:38,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-13 17:55:38,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-13 17:55:38,484 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 115 [2021-11-13 17:55:38,485 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 96 transitions, 218 flow. Second operand has 7 states, 7 states have (on average 91.85714285714286) internal successors, (643), 7 states have internal predecessors, (643), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:55:38,485 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 17:55:38,486 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 115 [2021-11-13 17:55:38,486 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 17:55:39,180 INFO L129 PetriNetUnfolder]: 640/1352 cut-off events. [2021-11-13 17:55:39,180 INFO L130 PetriNetUnfolder]: For 328/328 co-relation queries the response was YES. [2021-11-13 17:55:39,187 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2774 conditions, 1352 events. 640/1352 cut-off events. For 328/328 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 7930 event pairs, 114 based on Foata normal form. 30/1319 useless extension candidates. Maximal degree in co-relation 2714. Up to 393 conditions per place. [2021-11-13 17:55:39,193 INFO L132 encePairwiseOnDemand]: 107/115 looper letters, 27 selfloop transitions, 4 changer transitions 47/154 dead transitions. [2021-11-13 17:55:39,193 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 154 transitions, 513 flow [2021-11-13 17:55:39,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-13 17:55:39,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-11-13 17:55:39,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 980 transitions. [2021-11-13 17:55:39,198 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8521739130434782 [2021-11-13 17:55:39,198 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 980 transitions. [2021-11-13 17:55:39,198 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 980 transitions. [2021-11-13 17:55:39,199 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 17:55:39,199 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 980 transitions. [2021-11-13 17:55:39,202 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 98.0) internal successors, (980), 10 states have internal predecessors, (980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:55:39,206 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 115.0) internal successors, (1265), 11 states have internal predecessors, (1265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:55:39,208 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 115.0) internal successors, (1265), 11 states have internal predecessors, (1265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:55:39,208 INFO L186 Difference]: Start difference. First operand has 130 places, 96 transitions, 218 flow. Second operand 10 states and 980 transitions. [2021-11-13 17:55:39,208 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 154 transitions, 513 flow [2021-11-13 17:55:39,223 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 113 places, 154 transitions, 479 flow, removed 14 selfloop flow, removed 8 redundant places. [2021-11-13 17:55:39,229 INFO L242 Difference]: Finished difference. Result has 121 places, 96 transitions, 232 flow [2021-11-13 17:55:39,230 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=202, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=232, PETRI_PLACES=121, PETRI_TRANSITIONS=96} [2021-11-13 17:55:39,232 INFO L334 CegarLoopForPetriNet]: 120 programPoint places, 1 predicate places. [2021-11-13 17:55:39,232 INFO L470 AbstractCegarLoop]: Abstraction has has 121 places, 96 transitions, 232 flow [2021-11-13 17:55:39,233 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 91.85714285714286) internal successors, (643), 7 states have internal predecessors, (643), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:55:39,233 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 17:55:39,234 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] [2021-11-13 17:55:39,234 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-13 17:55:39,234 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-11-13 17:55:39,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:55:39,245 INFO L85 PathProgramCache]: Analyzing trace with hash -1512997683, now seen corresponding path program 1 times [2021-11-13 17:55:39,245 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:55:39,245 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759662837] [2021-11-13 17:55:39,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:55:39,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:55:39,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:55:39,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:55:39,564 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:55:39,564 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759662837] [2021-11-13 17:55:39,564 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759662837] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:55:39,564 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:55:39,564 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-13 17:55:39,565 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299957785] [2021-11-13 17:55:39,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:55:39,565 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-13 17:55:39,565 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:55:39,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-13 17:55:39,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-13 17:55:39,568 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 115 [2021-11-13 17:55:39,570 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 96 transitions, 232 flow. Second operand has 10 states, 10 states have (on average 91.4) internal successors, (914), 10 states have internal predecessors, (914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:55:39,570 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 17:55:39,570 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 115 [2021-11-13 17:55:39,570 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 17:55:40,222 INFO L129 PetriNetUnfolder]: 434/941 cut-off events. [2021-11-13 17:55:40,222 INFO L130 PetriNetUnfolder]: For 376/380 co-relation queries the response was YES. [2021-11-13 17:55:40,227 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1971 conditions, 941 events. 434/941 cut-off events. For 376/380 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 4941 event pairs, 159 based on Foata normal form. 24/946 useless extension candidates. Maximal degree in co-relation 1905. Up to 428 conditions per place. [2021-11-13 17:55:40,233 INFO L132 encePairwiseOnDemand]: 103/115 looper letters, 20 selfloop transitions, 10 changer transitions 47/153 dead transitions. [2021-11-13 17:55:40,233 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 153 transitions, 540 flow [2021-11-13 17:55:40,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-13 17:55:40,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-11-13 17:55:40,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1430 transitions. [2021-11-13 17:55:40,239 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8289855072463768 [2021-11-13 17:55:40,239 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1430 transitions. [2021-11-13 17:55:40,239 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1430 transitions. [2021-11-13 17:55:40,240 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 17:55:40,240 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1430 transitions. [2021-11-13 17:55:40,245 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 95.33333333333333) internal successors, (1430), 15 states have internal predecessors, (1430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:55:40,249 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 115.0) internal successors, (1840), 16 states have internal predecessors, (1840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:55:40,250 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 115.0) internal successors, (1840), 16 states have internal predecessors, (1840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:55:40,251 INFO L186 Difference]: Start difference. First operand has 121 places, 96 transitions, 232 flow. Second operand 15 states and 1430 transitions. [2021-11-13 17:55:40,251 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 153 transitions, 540 flow [2021-11-13 17:55:40,257 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 153 transitions, 482 flow, removed 24 selfloop flow, removed 10 redundant places. [2021-11-13 17:55:40,260 INFO L242 Difference]: Finished difference. Result has 130 places, 102 transitions, 290 flow [2021-11-13 17:55:40,260 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=206, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=290, PETRI_PLACES=130, PETRI_TRANSITIONS=102} [2021-11-13 17:55:40,261 INFO L334 CegarLoopForPetriNet]: 120 programPoint places, 10 predicate places. [2021-11-13 17:55:40,261 INFO L470 AbstractCegarLoop]: Abstraction has has 130 places, 102 transitions, 290 flow [2021-11-13 17:55:40,262 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 91.4) internal successors, (914), 10 states have internal predecessors, (914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:55:40,262 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 17:55:40,262 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] [2021-11-13 17:55:40,263 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-13 17:55:40,263 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-11-13 17:55:40,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:55:40,263 INFO L85 PathProgramCache]: Analyzing trace with hash 1419824912, now seen corresponding path program 1 times [2021-11-13 17:55:40,264 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:55:40,264 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117604534] [2021-11-13 17:55:40,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:55:40,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:55:40,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:55:40,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:55:40,408 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:55:40,408 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117604534] [2021-11-13 17:55:40,408 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117604534] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:55:40,408 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:55:40,408 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-13 17:55:40,409 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465370742] [2021-11-13 17:55:40,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:55:40,409 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 17:55:40,409 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:55:40,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 17:55:40,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-13 17:55:40,411 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 94 out of 115 [2021-11-13 17:55:40,412 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 102 transitions, 290 flow. Second operand has 6 states, 6 states have (on average 96.0) internal successors, (576), 6 states have internal predecessors, (576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:55:40,412 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 17:55:40,413 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 94 of 115 [2021-11-13 17:55:40,413 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 17:55:40,803 INFO L129 PetriNetUnfolder]: 269/729 cut-off events. [2021-11-13 17:55:40,803 INFO L130 PetriNetUnfolder]: For 985/987 co-relation queries the response was YES. [2021-11-13 17:55:40,807 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1802 conditions, 729 events. 269/729 cut-off events. For 985/987 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 3938 event pairs, 106 based on Foata normal form. 20/719 useless extension candidates. Maximal degree in co-relation 1733. Up to 186 conditions per place. [2021-11-13 17:55:40,812 INFO L132 encePairwiseOnDemand]: 109/115 looper letters, 21 selfloop transitions, 3 changer transitions 28/134 dead transitions. [2021-11-13 17:55:40,812 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 134 transitions, 552 flow [2021-11-13 17:55:40,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 17:55:40,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-11-13 17:55:40,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 896 transitions. [2021-11-13 17:55:40,816 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8657004830917875 [2021-11-13 17:55:40,816 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 896 transitions. [2021-11-13 17:55:40,816 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 896 transitions. [2021-11-13 17:55:40,817 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 17:55:40,817 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 896 transitions. [2021-11-13 17:55:40,820 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 99.55555555555556) internal successors, (896), 9 states have internal predecessors, (896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:55:40,823 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 115.0) internal successors, (1150), 10 states have internal predecessors, (1150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:55:40,823 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 115.0) internal successors, (1150), 10 states have internal predecessors, (1150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:55:40,824 INFO L186 Difference]: Start difference. First operand has 130 places, 102 transitions, 290 flow. Second operand 9 states and 896 transitions. [2021-11-13 17:55:40,824 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 134 transitions, 552 flow [2021-11-13 17:55:40,828 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 134 transitions, 518 flow, removed 15 selfloop flow, removed 5 redundant places. [2021-11-13 17:55:40,831 INFO L242 Difference]: Finished difference. Result has 131 places, 102 transitions, 299 flow [2021-11-13 17:55:40,832 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=276, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=99, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=299, PETRI_PLACES=131, PETRI_TRANSITIONS=102} [2021-11-13 17:55:40,832 INFO L334 CegarLoopForPetriNet]: 120 programPoint places, 11 predicate places. [2021-11-13 17:55:40,833 INFO L470 AbstractCegarLoop]: Abstraction has has 131 places, 102 transitions, 299 flow [2021-11-13 17:55:40,833 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 96.0) internal successors, (576), 6 states have internal predecessors, (576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:55:40,833 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 17:55:40,834 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] [2021-11-13 17:55:40,834 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-13 17:55:40,834 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-11-13 17:55:40,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:55:40,835 INFO L85 PathProgramCache]: Analyzing trace with hash 605919736, now seen corresponding path program 1 times [2021-11-13 17:55:40,835 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:55:40,835 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965551158] [2021-11-13 17:55:40,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:55:40,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:55:40,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:55:41,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:55:41,016 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:55:41,016 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965551158] [2021-11-13 17:55:41,017 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965551158] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:55:41,017 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:55:41,017 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-13 17:55:41,017 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915370679] [2021-11-13 17:55:41,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:55:41,019 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 17:55:41,019 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:55:41,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 17:55:41,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-13 17:55:41,021 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 115 [2021-11-13 17:55:41,022 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 102 transitions, 299 flow. Second operand has 6 states, 6 states have (on average 92.33333333333333) internal successors, (554), 6 states have internal predecessors, (554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:55:41,022 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 17:55:41,023 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 115 [2021-11-13 17:55:41,023 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 17:55:41,752 INFO L129 PetriNetUnfolder]: 1101/2206 cut-off events. [2021-11-13 17:55:41,753 INFO L130 PetriNetUnfolder]: For 2356/2358 co-relation queries the response was YES. [2021-11-13 17:55:41,763 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5374 conditions, 2206 events. 1101/2206 cut-off events. For 2356/2358 co-relation queries the response was YES. Maximal size of possible extension queue 169. Compared 14334 event pairs, 43 based on Foata normal form. 0/2134 useless extension candidates. Maximal degree in co-relation 5301. Up to 589 conditions per place. [2021-11-13 17:55:41,773 INFO L132 encePairwiseOnDemand]: 105/115 looper letters, 39 selfloop transitions, 7 changer transitions 53/176 dead transitions. [2021-11-13 17:55:41,773 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 176 transitions, 798 flow [2021-11-13 17:55:41,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-13 17:55:41,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-11-13 17:55:41,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 989 transitions. [2021-11-13 17:55:41,777 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.86 [2021-11-13 17:55:41,777 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 989 transitions. [2021-11-13 17:55:41,777 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 989 transitions. [2021-11-13 17:55:41,778 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 17:55:41,778 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 989 transitions. [2021-11-13 17:55:41,781 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 98.9) internal successors, (989), 10 states have internal predecessors, (989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:55:41,786 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 115.0) internal successors, (1265), 11 states have internal predecessors, (1265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:55:41,786 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 115.0) internal successors, (1265), 11 states have internal predecessors, (1265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:55:41,786 INFO L186 Difference]: Start difference. First operand has 131 places, 102 transitions, 299 flow. Second operand 10 states and 989 transitions. [2021-11-13 17:55:41,787 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 176 transitions, 798 flow [2021-11-13 17:55:41,801 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 120 places, 176 transitions, 682 flow, removed 46 selfloop flow, removed 14 redundant places. [2021-11-13 17:55:41,804 INFO L242 Difference]: Finished difference. Result has 126 places, 106 transitions, 319 flow [2021-11-13 17:55:41,805 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=257, PETRI_DIFFERENCE_MINUEND_PLACES=111, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=95, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=319, PETRI_PLACES=126, PETRI_TRANSITIONS=106} [2021-11-13 17:55:41,807 INFO L334 CegarLoopForPetriNet]: 120 programPoint places, 6 predicate places. [2021-11-13 17:55:41,808 INFO L470 AbstractCegarLoop]: Abstraction has has 126 places, 106 transitions, 319 flow [2021-11-13 17:55:41,808 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 92.33333333333333) internal successors, (554), 6 states have internal predecessors, (554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:55:41,809 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 17:55:41,809 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] [2021-11-13 17:55:41,809 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-13 17:55:41,809 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-11-13 17:55:41,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:55:41,812 INFO L85 PathProgramCache]: Analyzing trace with hash 650034437, now seen corresponding path program 1 times [2021-11-13 17:55:41,812 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:55:41,812 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388693196] [2021-11-13 17:55:41,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:55:41,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:55:41,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:55:42,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:55:42,060 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:55:42,060 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388693196] [2021-11-13 17:55:42,061 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1388693196] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:55:42,061 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:55:42,061 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-13 17:55:42,061 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575733660] [2021-11-13 17:55:42,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:55:42,062 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-13 17:55:42,062 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:55:42,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-13 17:55:42,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-13 17:55:42,063 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 115 [2021-11-13 17:55:42,064 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 106 transitions, 319 flow. Second operand has 7 states, 7 states have (on average 92.28571428571429) internal successors, (646), 7 states have internal predecessors, (646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:55:42,064 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 17:55:42,065 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 115 [2021-11-13 17:55:42,065 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 17:55:42,600 INFO L129 PetriNetUnfolder]: 478/1135 cut-off events. [2021-11-13 17:55:42,601 INFO L130 PetriNetUnfolder]: For 1199/1201 co-relation queries the response was YES. [2021-11-13 17:55:42,605 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3197 conditions, 1135 events. 478/1135 cut-off events. For 1199/1201 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 6781 event pairs, 36 based on Foata normal form. 33/1149 useless extension candidates. Maximal degree in co-relation 3129. Up to 256 conditions per place. [2021-11-13 17:55:42,610 INFO L132 encePairwiseOnDemand]: 105/115 looper letters, 50 selfloop transitions, 11 changer transitions 39/177 dead transitions. [2021-11-13 17:55:42,611 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 132 places, 177 transitions, 868 flow [2021-11-13 17:55:42,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-13 17:55:42,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-11-13 17:55:42,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1088 transitions. [2021-11-13 17:55:42,615 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8600790513833992 [2021-11-13 17:55:42,615 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1088 transitions. [2021-11-13 17:55:42,615 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1088 transitions. [2021-11-13 17:55:42,616 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 17:55:42,616 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1088 transitions. [2021-11-13 17:55:42,619 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 98.9090909090909) internal successors, (1088), 11 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:55:42,623 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 115.0) internal successors, (1380), 12 states have internal predecessors, (1380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:55:42,623 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 115.0) internal successors, (1380), 12 states have internal predecessors, (1380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:55:42,623 INFO L186 Difference]: Start difference. First operand has 126 places, 106 transitions, 319 flow. Second operand 11 states and 1088 transitions. [2021-11-13 17:55:42,623 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 132 places, 177 transitions, 868 flow [2021-11-13 17:55:42,630 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 177 transitions, 852 flow, removed 4 selfloop flow, removed 4 redundant places. [2021-11-13 17:55:42,633 INFO L242 Difference]: Finished difference. Result has 135 places, 112 transitions, 420 flow [2021-11-13 17:55:42,634 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=310, PETRI_DIFFERENCE_MINUEND_PLACES=118, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=95, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=420, PETRI_PLACES=135, PETRI_TRANSITIONS=112} [2021-11-13 17:55:42,634 INFO L334 CegarLoopForPetriNet]: 120 programPoint places, 15 predicate places. [2021-11-13 17:55:42,635 INFO L470 AbstractCegarLoop]: Abstraction has has 135 places, 112 transitions, 420 flow [2021-11-13 17:55:42,635 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 92.28571428571429) internal successors, (646), 7 states have internal predecessors, (646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:55:42,635 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 17:55:42,635 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:55:42,635 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-13 17:55:42,636 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-11-13 17:55:42,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:55:42,636 INFO L85 PathProgramCache]: Analyzing trace with hash -1494499174, now seen corresponding path program 1 times [2021-11-13 17:55:42,636 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:55:42,636 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316669790] [2021-11-13 17:55:42,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:55:42,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:55:42,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:55:42,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:55:42,796 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:55:42,796 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316669790] [2021-11-13 17:55:42,796 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316669790] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:55:42,796 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:55:42,797 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-13 17:55:42,797 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252619710] [2021-11-13 17:55:42,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:55:42,797 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-13 17:55:42,797 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:55:42,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-13 17:55:42,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-13 17:55:42,799 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 115 [2021-11-13 17:55:42,800 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 135 places, 112 transitions, 420 flow. Second operand has 7 states, 7 states have (on average 92.71428571428571) internal successors, (649), 7 states have internal predecessors, (649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:55:42,800 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 17:55:42,800 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 115 [2021-11-13 17:55:42,800 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 17:55:43,210 INFO L129 PetriNetUnfolder]: 182/1117 cut-off events. [2021-11-13 17:55:43,210 INFO L130 PetriNetUnfolder]: For 2232/2298 co-relation queries the response was YES. [2021-11-13 17:55:43,219 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3063 conditions, 1117 events. 182/1117 cut-off events. For 2232/2298 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 9479 event pairs, 35 based on Foata normal form. 19/1084 useless extension candidates. Maximal degree in co-relation 2988. Up to 252 conditions per place. [2021-11-13 17:55:43,225 INFO L132 encePairwiseOnDemand]: 109/115 looper letters, 36 selfloop transitions, 5 changer transitions 9/138 dead transitions. [2021-11-13 17:55:43,225 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 138 transitions, 594 flow [2021-11-13 17:55:43,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 17:55:43,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-11-13 17:55:43,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 677 transitions. [2021-11-13 17:55:43,229 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8409937888198757 [2021-11-13 17:55:43,229 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 677 transitions. [2021-11-13 17:55:43,229 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 677 transitions. [2021-11-13 17:55:43,229 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 17:55:43,230 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 677 transitions. [2021-11-13 17:55:43,232 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 96.71428571428571) internal successors, (677), 7 states have internal predecessors, (677), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:55:43,235 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 115.0) internal successors, (920), 8 states have internal predecessors, (920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:55:43,235 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 115.0) internal successors, (920), 8 states have internal predecessors, (920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:55:43,235 INFO L186 Difference]: Start difference. First operand has 135 places, 112 transitions, 420 flow. Second operand 7 states and 677 transitions. [2021-11-13 17:55:43,235 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 138 transitions, 594 flow [2021-11-13 17:55:43,257 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 138 transitions, 560 flow, removed 13 selfloop flow, removed 5 redundant places. [2021-11-13 17:55:43,260 INFO L242 Difference]: Finished difference. Result has 138 places, 116 transitions, 427 flow [2021-11-13 17:55:43,260 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=386, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=112, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=427, PETRI_PLACES=138, PETRI_TRANSITIONS=116} [2021-11-13 17:55:43,263 INFO L334 CegarLoopForPetriNet]: 120 programPoint places, 18 predicate places. [2021-11-13 17:55:43,263 INFO L470 AbstractCegarLoop]: Abstraction has has 138 places, 116 transitions, 427 flow [2021-11-13 17:55:43,264 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 92.71428571428571) internal successors, (649), 7 states have internal predecessors, (649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:55:43,264 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 17:55:43,264 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:55:43,264 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-13 17:55:43,264 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-11-13 17:55:43,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:55:43,265 INFO L85 PathProgramCache]: Analyzing trace with hash 895767716, now seen corresponding path program 2 times [2021-11-13 17:55:43,265 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:55:43,265 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589393176] [2021-11-13 17:55:43,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:55:43,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:55:43,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:55:43,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:55:43,494 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:55:43,494 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589393176] [2021-11-13 17:55:43,495 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589393176] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:55:43,495 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:55:43,495 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-13 17:55:43,495 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192036974] [2021-11-13 17:55:43,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:55:43,496 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-13 17:55:43,496 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:55:43,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-13 17:55:43,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-13 17:55:43,497 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 115 [2021-11-13 17:55:43,499 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 116 transitions, 427 flow. Second operand has 8 states, 8 states have (on average 92.25) internal successors, (738), 8 states have internal predecessors, (738), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:55:43,499 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 17:55:43,499 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 115 [2021-11-13 17:55:43,499 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 17:55:44,074 INFO L129 PetriNetUnfolder]: 515/1396 cut-off events. [2021-11-13 17:55:44,074 INFO L130 PetriNetUnfolder]: For 1887/1889 co-relation queries the response was YES. [2021-11-13 17:55:44,084 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3930 conditions, 1396 events. 515/1396 cut-off events. For 1887/1889 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 10362 event pairs, 59 based on Foata normal form. 18/1380 useless extension candidates. Maximal degree in co-relation 3903. Up to 235 conditions per place. [2021-11-13 17:55:44,088 INFO L132 encePairwiseOnDemand]: 106/115 looper letters, 31 selfloop transitions, 16 changer transitions 39/161 dead transitions. [2021-11-13 17:55:44,088 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 161 transitions, 824 flow [2021-11-13 17:55:44,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-13 17:55:44,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-11-13 17:55:44,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1248 transitions. [2021-11-13 17:55:44,093 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8347826086956521 [2021-11-13 17:55:44,093 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1248 transitions. [2021-11-13 17:55:44,093 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1248 transitions. [2021-11-13 17:55:44,094 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 17:55:44,094 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1248 transitions. [2021-11-13 17:55:44,097 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 96.0) internal successors, (1248), 13 states have internal predecessors, (1248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:55:44,101 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 115.0) internal successors, (1610), 14 states have internal predecessors, (1610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:55:44,102 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 115.0) internal successors, (1610), 14 states have internal predecessors, (1610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:55:44,102 INFO L186 Difference]: Start difference. First operand has 138 places, 116 transitions, 427 flow. Second operand 13 states and 1248 transitions. [2021-11-13 17:55:44,102 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 150 places, 161 transitions, 824 flow [2021-11-13 17:55:44,115 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 145 places, 161 transitions, 760 flow, removed 26 selfloop flow, removed 5 redundant places. [2021-11-13 17:55:44,118 INFO L242 Difference]: Finished difference. Result has 151 places, 109 transitions, 426 flow [2021-11-13 17:55:44,119 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=397, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=100, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=426, PETRI_PLACES=151, PETRI_TRANSITIONS=109} [2021-11-13 17:55:44,120 INFO L334 CegarLoopForPetriNet]: 120 programPoint places, 31 predicate places. [2021-11-13 17:55:44,120 INFO L470 AbstractCegarLoop]: Abstraction has has 151 places, 109 transitions, 426 flow [2021-11-13 17:55:44,120 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 92.25) internal successors, (738), 8 states have internal predecessors, (738), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:55:44,120 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 17:55:44,120 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:55:44,121 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-13 17:55:44,121 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-11-13 17:55:44,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:55:44,121 INFO L85 PathProgramCache]: Analyzing trace with hash 1977210536, now seen corresponding path program 1 times [2021-11-13 17:55:44,122 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:55:44,122 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905654676] [2021-11-13 17:55:44,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:55:44,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:55:44,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:55:44,205 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:55:44,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:55:44,341 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:55:44,341 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-13 17:55:44,342 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 6 remaining) [2021-11-13 17:55:44,344 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining) [2021-11-13 17:55:44,344 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 6 remaining) [2021-11-13 17:55:44,345 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (2 of 6 remaining) [2021-11-13 17:55:44,345 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION (1 of 6 remaining) [2021-11-13 17:55:44,345 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2021-11-13 17:55:44,345 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-13 17:55:44,350 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:55:44,355 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-13 17:55:44,355 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-13 17:55:44,463 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.computeCurrectProc(InlinerBacktranslator.java:230) at de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.translateProgramExecution(InlinerBacktranslator.java:203) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:216) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:206) at de.uni_freiburg.informatik.ultimate.core.lib.results.CounterExampleResult.getProgramExecutionAsString(CounterExampleResult.java:155) at de.uni_freiburg.informatik.ultimate.core.lib.results.CounterExampleResult.getLongDescription(CounterExampleResult.java:134) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResultReporter.reportResult(CegarLoopResultReporter.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportLocationResults(TraceAbstractionStarter.java:586) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:181) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-13 17:55:44,466 INFO L158 Benchmark]: Toolchain (without parser) took 11004.41ms. Allocated memory was 130.0MB in the beginning and 249.6MB in the end (delta: 119.5MB). Free memory was 94.4MB in the beginning and 137.3MB in the end (delta: -42.9MB). Peak memory consumption was 75.4MB. Max. memory is 16.1GB. [2021-11-13 17:55:44,467 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 92.3MB. Free memory is still 51.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 17:55:44,467 INFO L158 Benchmark]: CACSL2BoogieTranslator took 718.92ms. Allocated memory is still 130.0MB. Free memory was 94.1MB in the beginning and 90.1MB in the end (delta: 4.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-13 17:55:44,468 INFO L158 Benchmark]: Boogie Procedure Inliner took 103.38ms. Allocated memory is still 130.0MB. Free memory was 90.1MB in the beginning and 86.8MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-13 17:55:44,468 INFO L158 Benchmark]: Boogie Preprocessor took 104.16ms. Allocated memory is still 130.0MB. Free memory was 86.8MB in the beginning and 84.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 17:55:44,469 INFO L158 Benchmark]: RCFGBuilder took 1646.08ms. Allocated memory is still 130.0MB. Free memory was 84.3MB in the beginning and 79.1MB in the end (delta: 5.2MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. [2021-11-13 17:55:44,469 INFO L158 Benchmark]: TraceAbstraction took 8426.14ms. Allocated memory was 130.0MB in the beginning and 249.6MB in the end (delta: 119.5MB). Free memory was 78.2MB in the beginning and 137.3MB in the end (delta: -59.1MB). Peak memory consumption was 60.1MB. Max. memory is 16.1GB. [2021-11-13 17:55:44,471 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 92.3MB. Free memory is still 51.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 718.92ms. Allocated memory is still 130.0MB. Free memory was 94.1MB in the beginning and 90.1MB in the end (delta: 4.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 103.38ms. Allocated memory is still 130.0MB. Free memory was 90.1MB in the beginning and 86.8MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 104.16ms. Allocated memory is still 130.0MB. Free memory was 86.8MB in the beginning and 84.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1646.08ms. Allocated memory is still 130.0MB. Free memory was 84.3MB in the beginning and 79.1MB in the end (delta: 5.2MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. * TraceAbstraction took 8426.14ms. Allocated memory was 130.0MB in the beginning and 249.6MB in the end (delta: 119.5MB). Free memory was 78.2MB in the beginning and 137.3MB in the end (delta: -59.1MB). Peak memory consumption was 60.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: null: de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.computeCurrectProc(InlinerBacktranslator.java:230) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-13 17:55:44,524 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb4aacd-bd80-4849-82b3-74ee363f7ea7/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb4aacd-bd80-4849-82b3-74ee363f7ea7/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb4aacd-bd80-4849-82b3-74ee363f7ea7/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb4aacd-bd80-4849-82b3-74ee363f7ea7/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb4aacd-bd80-4849-82b3-74ee363f7ea7/bin/uautomizer-YU5uOKAj3y/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/rfi006_pso.oepc_pso.opt_tso.oepc_tso.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb4aacd-bd80-4849-82b3-74ee363f7ea7/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb4aacd-bd80-4849-82b3-74ee363f7ea7/bin/uautomizer-YU5uOKAj3y --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 596bf38d5c1bddbb7fa933c2910678824d7396d44da5246db401a53a5b4ba843 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 17:55:47,025 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 17:55:47,029 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 17:55:47,081 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 17:55:47,082 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 17:55:47,086 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 17:55:47,088 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 17:55:47,095 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 17:55:47,098 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 17:55:47,104 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 17:55:47,106 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 17:55:47,108 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 17:55:47,108 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 17:55:47,111 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 17:55:47,113 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 17:55:47,117 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 17:55:47,120 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 17:55:47,121 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 17:55:47,130 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 17:55:47,138 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 17:55:47,140 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 17:55:47,141 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 17:55:47,144 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 17:55:47,147 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 17:55:47,156 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 17:55:47,157 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 17:55:47,157 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 17:55:47,159 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 17:55:47,160 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 17:55:47,161 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 17:55:47,162 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 17:55:47,163 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 17:55:47,165 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 17:55:47,166 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 17:55:47,168 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 17:55:47,168 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 17:55:47,170 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 17:55:47,170 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 17:55:47,170 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 17:55:47,173 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 17:55:47,173 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 17:55:47,174 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb4aacd-bd80-4849-82b3-74ee363f7ea7/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-11-13 17:55:47,217 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 17:55:47,217 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 17:55:47,218 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 17:55:47,218 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 17:55:47,219 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 17:55:47,219 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 17:55:47,221 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 17:55:47,221 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 17:55:47,221 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 17:55:47,222 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 17:55:47,223 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 17:55:47,223 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 17:55:47,223 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 17:55:47,223 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 17:55:47,224 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 17:55:47,224 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 17:55:47,224 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-13 17:55:47,225 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-13 17:55:47,225 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 17:55:47,225 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 17:55:47,225 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 17:55:47,225 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 17:55:47,226 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 17:55:47,226 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 17:55:47,226 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 17:55:47,226 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 17:55:47,227 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 17:55:47,227 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 17:55:47,228 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 17:55:47,228 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-13 17:55:47,228 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-13 17:55:47,228 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-13 17:55:47,229 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-13 17:55:47,229 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 17:55:47,229 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 17:55:47,229 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 17:55:47,230 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_4bb4aacd-bd80-4849-82b3-74ee363f7ea7/bin/uautomizer-YU5uOKAj3y/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb4aacd-bd80-4849-82b3-74ee363f7ea7/bin/uautomizer-YU5uOKAj3y Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 596bf38d5c1bddbb7fa933c2910678824d7396d44da5246db401a53a5b4ba843 [2021-11-13 17:55:47,666 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 17:55:47,696 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 17:55:47,699 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 17:55:47,700 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 17:55:47,701 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 17:55:47,702 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb4aacd-bd80-4849-82b3-74ee363f7ea7/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/pthread-wmm/rfi006_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2021-11-13 17:55:47,786 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb4aacd-bd80-4849-82b3-74ee363f7ea7/bin/uautomizer-YU5uOKAj3y/data/4e7c0e13f/c214fe91e9344f4da74b297f3d16f2d4/FLAGd0929b3a4 [2021-11-13 17:55:48,374 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 17:55:48,375 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb4aacd-bd80-4849-82b3-74ee363f7ea7/sv-benchmarks/c/pthread-wmm/rfi006_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2021-11-13 17:55:48,395 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb4aacd-bd80-4849-82b3-74ee363f7ea7/bin/uautomizer-YU5uOKAj3y/data/4e7c0e13f/c214fe91e9344f4da74b297f3d16f2d4/FLAGd0929b3a4 [2021-11-13 17:55:48,668 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb4aacd-bd80-4849-82b3-74ee363f7ea7/bin/uautomizer-YU5uOKAj3y/data/4e7c0e13f/c214fe91e9344f4da74b297f3d16f2d4 [2021-11-13 17:55:48,671 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 17:55:48,673 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 17:55:48,675 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 17:55:48,676 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 17:55:48,680 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 17:55:48,686 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:55:48" (1/1) ... [2021-11-13 17:55:48,687 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55d13620 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:55:48, skipping insertion in model container [2021-11-13 17:55:48,688 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:55:48" (1/1) ... [2021-11-13 17:55:48,699 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 17:55:48,784 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 17:55:49,063 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb4aacd-bd80-4849-82b3-74ee363f7ea7/sv-benchmarks/c/pthread-wmm/rfi006_pso.oepc_pso.opt_tso.oepc_tso.opt.i[974,987] [2021-11-13 17:55:49,408 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 17:55:49,433 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 17:55:49,449 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb4aacd-bd80-4849-82b3-74ee363f7ea7/sv-benchmarks/c/pthread-wmm/rfi006_pso.oepc_pso.opt_tso.oepc_tso.opt.i[974,987] [2021-11-13 17:55:49,552 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 17:55:49,629 INFO L208 MainTranslator]: Completed translation [2021-11-13 17:55:49,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:55:49 WrapperNode [2021-11-13 17:55:49,630 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 17:55:49,631 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 17:55:49,631 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 17:55:49,632 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 17:55:49,640 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:55:49" (1/1) ... [2021-11-13 17:55:49,703 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:55:49" (1/1) ... [2021-11-13 17:55:49,775 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 17:55:49,777 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 17:55:49,778 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 17:55:49,778 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 17:55:49,789 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:55:49" (1/1) ... [2021-11-13 17:55:49,790 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:55:49" (1/1) ... [2021-11-13 17:55:49,808 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:55:49" (1/1) ... [2021-11-13 17:55:49,815 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:55:49" (1/1) ... [2021-11-13 17:55:49,847 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:55:49" (1/1) ... [2021-11-13 17:55:49,853 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:55:49" (1/1) ... [2021-11-13 17:55:49,871 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:55:49" (1/1) ... [2021-11-13 17:55:49,879 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 17:55:49,880 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 17:55:49,880 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 17:55:49,880 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 17:55:49,891 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:55:49" (1/1) ... [2021-11-13 17:55:49,900 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 17:55:49,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb4aacd-bd80-4849-82b3-74ee363f7ea7/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:55:49,928 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb4aacd-bd80-4849-82b3-74ee363f7ea7/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 17:55:49,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb4aacd-bd80-4849-82b3-74ee363f7ea7/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 17:55:50,004 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-13 17:55:50,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 17:55:50,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 17:55:50,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-13 17:55:50,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-13 17:55:50,006 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-13 17:55:50,006 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-13 17:55:50,006 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-13 17:55:50,006 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-13 17:55:50,006 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-11-13 17:55:50,007 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-11-13 17:55:50,007 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-13 17:55:50,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 17:55:50,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 17:55:50,009 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-13 17:55:51,769 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 17:55:51,770 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-13 17:55:51,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:55:51 BoogieIcfgContainer [2021-11-13 17:55:51,773 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 17:55:51,775 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 17:55:51,775 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 17:55:51,779 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 17:55:51,780 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 05:55:48" (1/3) ... [2021-11-13 17:55:51,781 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b520b36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 05:55:51, skipping insertion in model container [2021-11-13 17:55:51,781 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:55:49" (2/3) ... [2021-11-13 17:55:51,782 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b520b36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 05:55:51, skipping insertion in model container [2021-11-13 17:55:51,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:55:51" (3/3) ... [2021-11-13 17:55:51,784 INFO L111 eAbstractionObserver]: Analyzing ICFG rfi006_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2021-11-13 17:55:51,791 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-13 17:55:51,791 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 17:55:51,791 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-13 17:55:51,792 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-13 17:55:51,855 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,856 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,856 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,856 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,857 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,858 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,858 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,858 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,859 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,861 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,861 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,861 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,861 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,863 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,863 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,864 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,864 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,864 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,864 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,865 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,865 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,866 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,871 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,871 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,873 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,873 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,874 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,874 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,875 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,875 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,875 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,876 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,876 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,876 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,876 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,877 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,877 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,877 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,878 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,878 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,878 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,878 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,879 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,879 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,879 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,880 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite25#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,880 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,881 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,881 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,881 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,881 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,882 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,882 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,882 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,882 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,882 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,883 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,883 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,883 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,883 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite25#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,884 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,884 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,885 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,885 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,886 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,886 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,886 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,887 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,887 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,887 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,888 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,888 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,888 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,889 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,889 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,889 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,890 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,890 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,890 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,890 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,892 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,893 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,894 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,897 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite25#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,898 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,898 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,898 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,899 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,899 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,900 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,900 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,900 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,907 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,908 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,908 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,908 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,908 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,909 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite25#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,909 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,909 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,909 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,909 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,910 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,910 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,910 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,910 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,910 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,911 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,911 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,911 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,911 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,912 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,912 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,912 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,912 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,912 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,913 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,913 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,915 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,915 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,916 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,916 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,916 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,916 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,917 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,917 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,917 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,917 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,918 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,918 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,918 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,940 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,942 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,942 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,943 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,943 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,943 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,944 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,944 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,944 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,944 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,945 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,945 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,945 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,945 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,946 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,946 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,946 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,946 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,946 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,947 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,948 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,948 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,948 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,948 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,949 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,951 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,951 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,952 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,952 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,952 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,953 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,958 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,958 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,959 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,959 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,959 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,959 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,960 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,960 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,960 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,961 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,962 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,962 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,962 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,963 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,963 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,963 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,964 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,964 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,964 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,965 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,966 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,966 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,966 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,967 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,967 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,967 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,968 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,968 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,968 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,968 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,969 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,969 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,969 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,970 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,970 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,970 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,971 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,971 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,971 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,971 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,972 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,972 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,972 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,973 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,973 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,973 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,973 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,975 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,979 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,980 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,980 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,980 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,981 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,981 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite25#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,981 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:55:51,982 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-13 17:55:52,072 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 17:55:52,084 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-13 17:55:52,085 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-13 17:55:52,105 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 124 places, 116 transitions, 247 flow [2021-11-13 17:55:52,188 INFO L129 PetriNetUnfolder]: 2/113 cut-off events. [2021-11-13 17:55:52,189 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-13 17:55:52,194 INFO L84 FinitePrefix]: Finished finitePrefix Result has 123 conditions, 113 events. 2/113 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 55 event pairs, 0 based on Foata normal form. 0/109 useless extension candidates. Maximal degree in co-relation 73. Up to 2 conditions per place. [2021-11-13 17:55:52,194 INFO L82 GeneralOperation]: Start removeDead. Operand has 124 places, 116 transitions, 247 flow [2021-11-13 17:55:52,201 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 121 places, 113 transitions, 235 flow [2021-11-13 17:55:52,220 INFO L129 PetriNetUnfolder]: 0/60 cut-off events. [2021-11-13 17:55:52,220 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-13 17:55:52,221 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 17:55:52,221 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] [2021-11-13 17:55:52,222 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-11-13 17:55:52,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:55:52,228 INFO L85 PathProgramCache]: Analyzing trace with hash 1637417227, now seen corresponding path program 1 times [2021-11-13 17:55:52,243 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 17:55:52,243 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [161679377] [2021-11-13 17:55:52,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:55:52,245 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 17:55:52,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb4aacd-bd80-4849-82b3-74ee363f7ea7/bin/uautomizer-YU5uOKAj3y/mathsat [2021-11-13 17:55:52,249 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb4aacd-bd80-4849-82b3-74ee363f7ea7/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 17:55:52,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb4aacd-bd80-4849-82b3-74ee363f7ea7/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-13 17:55:52,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:55:52,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 17:55:52,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:55:52,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:55:52,756 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 17:55:52,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:55:52,978 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-13 17:55:52,979 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [161679377] [2021-11-13 17:55:52,980 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [161679377] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 17:55:52,980 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:55:52,980 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-13 17:55:52,983 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098498121] [2021-11-13 17:55:52,984 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 17:55:52,995 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 17:55:52,996 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-13 17:55:53,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 17:55:53,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 17:55:53,052 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 101 out of 116 [2021-11-13 17:55:53,061 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 113 transitions, 235 flow. Second operand has 3 states, 3 states have (on average 102.33333333333333) internal successors, (307), 3 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:55:53,062 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 17:55:53,062 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 101 of 116 [2021-11-13 17:55:53,064 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 17:55:53,458 INFO L129 PetriNetUnfolder]: 80/601 cut-off events. [2021-11-13 17:55:53,458 INFO L130 PetriNetUnfolder]: For 11/11 co-relation queries the response was YES. [2021-11-13 17:55:53,466 INFO L84 FinitePrefix]: Finished finitePrefix Result has 767 conditions, 601 events. 80/601 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 3527 event pairs, 47 based on Foata normal form. 19/581 useless extension candidates. Maximal degree in co-relation 714. Up to 112 conditions per place. [2021-11-13 17:55:53,472 INFO L132 encePairwiseOnDemand]: 111/116 looper letters, 14 selfloop transitions, 2 changer transitions 0/114 dead transitions. [2021-11-13 17:55:53,473 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 114 transitions, 272 flow [2021-11-13 17:55:53,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 17:55:53,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-13 17:55:53,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 324 transitions. [2021-11-13 17:55:53,498 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9310344827586207 [2021-11-13 17:55:53,498 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 324 transitions. [2021-11-13 17:55:53,499 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 324 transitions. [2021-11-13 17:55:53,504 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 17:55:53,507 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 324 transitions. [2021-11-13 17:55:53,514 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 108.0) internal successors, (324), 3 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:55:53,524 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 116.0) internal successors, (464), 4 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:55:53,525 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 116.0) internal successors, (464), 4 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:55:53,527 INFO L186 Difference]: Start difference. First operand has 121 places, 113 transitions, 235 flow. Second operand 3 states and 324 transitions. [2021-11-13 17:55:53,528 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 114 transitions, 272 flow [2021-11-13 17:55:53,533 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 118 places, 114 transitions, 268 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-11-13 17:55:53,537 INFO L242 Difference]: Finished difference. Result has 118 places, 109 transitions, 228 flow [2021-11-13 17:55:53,540 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=116, PETRI_DIFFERENCE_MINUEND_FLOW=224, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=109, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=228, PETRI_PLACES=118, PETRI_TRANSITIONS=109} [2021-11-13 17:55:53,544 INFO L334 CegarLoopForPetriNet]: 121 programPoint places, -3 predicate places. [2021-11-13 17:55:53,544 INFO L470 AbstractCegarLoop]: Abstraction has has 118 places, 109 transitions, 228 flow [2021-11-13 17:55:53,545 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 102.33333333333333) internal successors, (307), 3 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:55:53,545 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 17:55:53,545 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:55:53,566 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb4aacd-bd80-4849-82b3-74ee363f7ea7/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-13 17:55:53,762 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb4aacd-bd80-4849-82b3-74ee363f7ea7/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 [2021-11-13 17:55:53,763 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-11-13 17:55:53,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:55:53,763 INFO L85 PathProgramCache]: Analyzing trace with hash -301751455, now seen corresponding path program 1 times [2021-11-13 17:55:53,764 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 17:55:53,764 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1683973264] [2021-11-13 17:55:53,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:55:53,765 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 17:55:53,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb4aacd-bd80-4849-82b3-74ee363f7ea7/bin/uautomizer-YU5uOKAj3y/mathsat [2021-11-13 17:55:53,766 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb4aacd-bd80-4849-82b3-74ee363f7ea7/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 17:55:53,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb4aacd-bd80-4849-82b3-74ee363f7ea7/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-13 17:55:53,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:55:53,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 17:55:53,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:55:54,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:55:54,246 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 17:55:54,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:55:54,499 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-13 17:55:54,499 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1683973264] [2021-11-13 17:55:54,499 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1683973264] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 17:55:54,500 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:55:54,500 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 7 [2021-11-13 17:55:54,500 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992946471] [2021-11-13 17:55:54,500 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 17:55:54,504 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-13 17:55:54,504 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-13 17:55:54,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-13 17:55:54,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-13 17:55:54,507 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 116 [2021-11-13 17:55:54,509 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 109 transitions, 228 flow. Second operand has 7 states, 7 states have (on average 93.57142857142857) internal successors, (655), 7 states have internal predecessors, (655), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:55:54,509 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 17:55:54,510 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 116 [2021-11-13 17:55:54,510 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 17:55:55,271 INFO L129 PetriNetUnfolder]: 611/1403 cut-off events. [2021-11-13 17:55:55,271 INFO L130 PetriNetUnfolder]: For 65/65 co-relation queries the response was YES. [2021-11-13 17:55:55,275 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2483 conditions, 1403 events. 611/1403 cut-off events. For 65/65 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 8381 event pairs, 52 based on Foata normal form. 0/1376 useless extension candidates. Maximal degree in co-relation 2430. Up to 128 conditions per place. [2021-11-13 17:55:55,280 INFO L132 encePairwiseOnDemand]: 106/116 looper letters, 38 selfloop transitions, 9 changer transitions 71/206 dead transitions. [2021-11-13 17:55:55,281 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 206 transitions, 684 flow [2021-11-13 17:55:55,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-13 17:55:55,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-11-13 17:55:55,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1304 transitions. [2021-11-13 17:55:55,286 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8647214854111406 [2021-11-13 17:55:55,287 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1304 transitions. [2021-11-13 17:55:55,287 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1304 transitions. [2021-11-13 17:55:55,288 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 17:55:55,288 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1304 transitions. [2021-11-13 17:55:55,293 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 100.3076923076923) internal successors, (1304), 13 states have internal predecessors, (1304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:55:55,299 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 116.0) internal successors, (1624), 14 states have internal predecessors, (1624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:55:55,300 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 116.0) internal successors, (1624), 14 states have internal predecessors, (1624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:55:55,300 INFO L186 Difference]: Start difference. First operand has 118 places, 109 transitions, 228 flow. Second operand 13 states and 1304 transitions. [2021-11-13 17:55:55,301 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 206 transitions, 684 flow [2021-11-13 17:55:55,303 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 206 transitions, 660 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-11-13 17:55:55,308 INFO L242 Difference]: Finished difference. Result has 137 places, 114 transitions, 320 flow [2021-11-13 17:55:55,308 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=116, PETRI_DIFFERENCE_MINUEND_FLOW=224, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=109, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=103, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=320, PETRI_PLACES=137, PETRI_TRANSITIONS=114} [2021-11-13 17:55:55,309 INFO L334 CegarLoopForPetriNet]: 121 programPoint places, 16 predicate places. [2021-11-13 17:55:55,309 INFO L470 AbstractCegarLoop]: Abstraction has has 137 places, 114 transitions, 320 flow [2021-11-13 17:55:55,310 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 93.57142857142857) internal successors, (655), 7 states have internal predecessors, (655), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:55:55,310 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 17:55:55,310 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] [2021-11-13 17:55:55,328 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb4aacd-bd80-4849-82b3-74ee363f7ea7/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-13 17:55:55,529 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb4aacd-bd80-4849-82b3-74ee363f7ea7/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 [2021-11-13 17:55:55,529 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-11-13 17:55:55,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:55:55,529 INFO L85 PathProgramCache]: Analyzing trace with hash -716476426, now seen corresponding path program 1 times [2021-11-13 17:55:55,530 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 17:55:55,531 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [889143970] [2021-11-13 17:55:55,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:55:55,531 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 17:55:55,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb4aacd-bd80-4849-82b3-74ee363f7ea7/bin/uautomizer-YU5uOKAj3y/mathsat [2021-11-13 17:55:55,532 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb4aacd-bd80-4849-82b3-74ee363f7ea7/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 17:55:55,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb4aacd-bd80-4849-82b3-74ee363f7ea7/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-13 17:55:55,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:55:55,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-13 17:55:55,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:55:56,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:55:56,003 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 17:55:56,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:55:56,288 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-13 17:55:56,288 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [889143970] [2021-11-13 17:55:56,288 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [889143970] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 17:55:56,288 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:55:56,288 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 11 [2021-11-13 17:55:56,289 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360360470] [2021-11-13 17:55:56,289 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 17:55:56,289 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-13 17:55:56,289 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-13 17:55:56,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-13 17:55:56,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2021-11-13 17:55:56,292 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 116 [2021-11-13 17:55:56,293 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 114 transitions, 320 flow. Second operand has 11 states, 11 states have (on average 93.36363636363636) internal successors, (1027), 11 states have internal predecessors, (1027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:55:56,294 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 17:55:56,294 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 116 [2021-11-13 17:55:56,294 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 17:55:56,864 INFO L129 PetriNetUnfolder]: 107/382 cut-off events. [2021-11-13 17:55:56,868 INFO L130 PetriNetUnfolder]: For 432/432 co-relation queries the response was YES. [2021-11-13 17:55:56,871 INFO L84 FinitePrefix]: Finished finitePrefix Result has 910 conditions, 382 events. 107/382 cut-off events. For 432/432 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1564 event pairs, 30 based on Foata normal form. 9/379 useless extension candidates. Maximal degree in co-relation 870. Up to 62 conditions per place. [2021-11-13 17:55:56,875 INFO L132 encePairwiseOnDemand]: 107/116 looper letters, 27 selfloop transitions, 12 changer transitions 35/150 dead transitions. [2021-11-13 17:55:56,875 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 150 transitions, 621 flow [2021-11-13 17:55:56,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-13 17:55:56,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-11-13 17:55:56,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1156 transitions. [2021-11-13 17:55:56,880 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8304597701149425 [2021-11-13 17:55:56,880 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1156 transitions. [2021-11-13 17:55:56,880 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1156 transitions. [2021-11-13 17:55:56,881 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 17:55:56,881 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1156 transitions. [2021-11-13 17:55:56,885 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 96.33333333333333) internal successors, (1156), 12 states have internal predecessors, (1156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:55:56,890 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 116.0) internal successors, (1508), 13 states have internal predecessors, (1508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:55:56,891 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 116.0) internal successors, (1508), 13 states have internal predecessors, (1508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:55:56,892 INFO L186 Difference]: Start difference. First operand has 137 places, 114 transitions, 320 flow. Second operand 12 states and 1156 transitions. [2021-11-13 17:55:56,892 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 140 places, 150 transitions, 621 flow [2021-11-13 17:55:56,903 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 150 transitions, 535 flow, removed 38 selfloop flow, removed 7 redundant places. [2021-11-13 17:55:56,910 INFO L242 Difference]: Finished difference. Result has 139 places, 102 transitions, 306 flow [2021-11-13 17:55:56,911 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=116, PETRI_DIFFERENCE_MINUEND_FLOW=284, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=114, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=306, PETRI_PLACES=139, PETRI_TRANSITIONS=102} [2021-11-13 17:55:56,913 INFO L334 CegarLoopForPetriNet]: 121 programPoint places, 18 predicate places. [2021-11-13 17:55:56,913 INFO L470 AbstractCegarLoop]: Abstraction has has 139 places, 102 transitions, 306 flow [2021-11-13 17:55:56,914 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 93.36363636363636) internal successors, (1027), 11 states have internal predecessors, (1027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:55:56,914 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 17:55:56,915 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] [2021-11-13 17:55:56,929 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb4aacd-bd80-4849-82b3-74ee363f7ea7/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-13 17:55:57,130 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb4aacd-bd80-4849-82b3-74ee363f7ea7/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 [2021-11-13 17:55:57,131 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-11-13 17:55:57,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:55:57,131 INFO L85 PathProgramCache]: Analyzing trace with hash 924912612, now seen corresponding path program 1 times [2021-11-13 17:55:57,132 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 17:55:57,132 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1035480355] [2021-11-13 17:55:57,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:55:57,133 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 17:55:57,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb4aacd-bd80-4849-82b3-74ee363f7ea7/bin/uautomizer-YU5uOKAj3y/mathsat [2021-11-13 17:55:57,134 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb4aacd-bd80-4849-82b3-74ee363f7ea7/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 17:55:57,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb4aacd-bd80-4849-82b3-74ee363f7ea7/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-13 17:55:57,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:55:57,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-13 17:55:57,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:55:57,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:55:57,562 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 17:55:57,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:55:57,876 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-13 17:55:57,877 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1035480355] [2021-11-13 17:55:57,877 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1035480355] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 17:55:57,878 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:55:57,878 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2021-11-13 17:55:57,878 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776507201] [2021-11-13 17:55:57,879 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 17:55:57,879 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-13 17:55:57,879 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-13 17:55:57,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-13 17:55:57,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-11-13 17:55:57,885 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 116 [2021-11-13 17:55:57,886 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 102 transitions, 306 flow. Second operand has 12 states, 12 states have (on average 94.16666666666667) internal successors, (1130), 12 states have internal predecessors, (1130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:55:57,887 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 17:55:57,887 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 116 [2021-11-13 17:55:57,887 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 17:55:58,171 INFO L129 PetriNetUnfolder]: 113/460 cut-off events. [2021-11-13 17:55:58,171 INFO L130 PetriNetUnfolder]: For 256/268 co-relation queries the response was YES. [2021-11-13 17:55:58,174 INFO L84 FinitePrefix]: Finished finitePrefix Result has 964 conditions, 460 events. 113/460 cut-off events. For 256/268 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 2295 event pairs, 32 based on Foata normal form. 1/447 useless extension candidates. Maximal degree in co-relation 916. Up to 67 conditions per place. [2021-11-13 17:55:58,176 INFO L132 encePairwiseOnDemand]: 108/116 looper letters, 25 selfloop transitions, 4 changer transitions 8/119 dead transitions. [2021-11-13 17:55:58,176 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 119 transitions, 414 flow [2021-11-13 17:55:58,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 17:55:58,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-11-13 17:55:58,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 675 transitions. [2021-11-13 17:55:58,180 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8312807881773399 [2021-11-13 17:55:58,180 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 675 transitions. [2021-11-13 17:55:58,180 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 675 transitions. [2021-11-13 17:55:58,181 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 17:55:58,181 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 675 transitions. [2021-11-13 17:55:58,183 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 96.42857142857143) internal successors, (675), 7 states have internal predecessors, (675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:55:58,185 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 116.0) internal successors, (928), 8 states have internal predecessors, (928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:55:58,186 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 116.0) internal successors, (928), 8 states have internal predecessors, (928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:55:58,186 INFO L186 Difference]: Start difference. First operand has 139 places, 102 transitions, 306 flow. Second operand 7 states and 675 transitions. [2021-11-13 17:55:58,186 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 119 transitions, 414 flow [2021-11-13 17:55:58,190 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 119 transitions, 339 flow, removed 19 selfloop flow, removed 15 redundant places. [2021-11-13 17:55:58,211 INFO L242 Difference]: Finished difference. Result has 118 places, 102 transitions, 251 flow [2021-11-13 17:55:58,211 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=116, PETRI_DIFFERENCE_MINUEND_FLOW=231, PETRI_DIFFERENCE_MINUEND_PLACES=108, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=251, PETRI_PLACES=118, PETRI_TRANSITIONS=102} [2021-11-13 17:55:58,212 INFO L334 CegarLoopForPetriNet]: 121 programPoint places, -3 predicate places. [2021-11-13 17:55:58,212 INFO L470 AbstractCegarLoop]: Abstraction has has 118 places, 102 transitions, 251 flow [2021-11-13 17:55:58,213 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 94.16666666666667) internal successors, (1130), 12 states have internal predecessors, (1130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:55:58,213 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 17:55:58,214 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] [2021-11-13 17:55:58,232 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb4aacd-bd80-4849-82b3-74ee363f7ea7/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-13 17:55:58,428 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb4aacd-bd80-4849-82b3-74ee363f7ea7/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 [2021-11-13 17:55:58,428 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-11-13 17:55:58,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:55:58,429 INFO L85 PathProgramCache]: Analyzing trace with hash 176876866, now seen corresponding path program 2 times [2021-11-13 17:55:58,430 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 17:55:58,430 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1277753177] [2021-11-13 17:55:58,430 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-13 17:55:58,431 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 17:55:58,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb4aacd-bd80-4849-82b3-74ee363f7ea7/bin/uautomizer-YU5uOKAj3y/mathsat [2021-11-13 17:55:58,432 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb4aacd-bd80-4849-82b3-74ee363f7ea7/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 17:55:58,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb4aacd-bd80-4849-82b3-74ee363f7ea7/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-13 17:55:58,647 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-13 17:55:58,648 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-13 17:55:58,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-13 17:55:58,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:55:59,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:55:59,287 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 17:56:00,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:56:00,893 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-13 17:56:00,893 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1277753177] [2021-11-13 17:56:00,894 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1277753177] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 17:56:00,894 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:56:00,894 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 11] imperfect sequences [] total 16 [2021-11-13 17:56:00,894 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352932219] [2021-11-13 17:56:00,895 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 17:56:00,895 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-11-13 17:56:00,895 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-13 17:56:00,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-11-13 17:56:00,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240 [2021-11-13 17:56:00,898 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 116 [2021-11-13 17:56:00,900 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 102 transitions, 251 flow. Second operand has 16 states, 16 states have (on average 88.0625) internal successors, (1409), 16 states have internal predecessors, (1409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:56:00,901 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 17:56:00,901 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 116 [2021-11-13 17:56:00,901 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 17:56:01,234 INFO L129 PetriNetUnfolder]: 50/295 cut-off events. [2021-11-13 17:56:01,234 INFO L130 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2021-11-13 17:56:01,236 INFO L84 FinitePrefix]: Finished finitePrefix Result has 479 conditions, 295 events. 50/295 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1185 event pairs, 10 based on Foata normal form. 1/287 useless extension candidates. Maximal degree in co-relation 468. Up to 59 conditions per place. [2021-11-13 17:56:01,238 INFO L132 encePairwiseOnDemand]: 105/116 looper letters, 26 selfloop transitions, 7 changer transitions 5/115 dead transitions. [2021-11-13 17:56:01,238 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 115 transitions, 361 flow [2021-11-13 17:56:01,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 17:56:01,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-11-13 17:56:01,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 813 transitions. [2021-11-13 17:56:01,242 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7787356321839081 [2021-11-13 17:56:01,242 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 813 transitions. [2021-11-13 17:56:01,242 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 813 transitions. [2021-11-13 17:56:01,243 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 17:56:01,243 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 813 transitions. [2021-11-13 17:56:01,246 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 90.33333333333333) internal successors, (813), 9 states have internal predecessors, (813), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:56:01,249 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 116.0) internal successors, (1160), 10 states have internal predecessors, (1160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:56:01,250 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 116.0) internal successors, (1160), 10 states have internal predecessors, (1160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:56:01,250 INFO L186 Difference]: Start difference. First operand has 118 places, 102 transitions, 251 flow. Second operand 9 states and 813 transitions. [2021-11-13 17:56:01,250 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 115 transitions, 361 flow [2021-11-13 17:56:01,252 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 117 places, 115 transitions, 339 flow, removed 7 selfloop flow, removed 6 redundant places. [2021-11-13 17:56:01,255 INFO L242 Difference]: Finished difference. Result has 122 places, 106 transitions, 282 flow [2021-11-13 17:56:01,255 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=116, PETRI_DIFFERENCE_MINUEND_FLOW=235, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=95, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=282, PETRI_PLACES=122, PETRI_TRANSITIONS=106} [2021-11-13 17:56:01,256 INFO L334 CegarLoopForPetriNet]: 121 programPoint places, 1 predicate places. [2021-11-13 17:56:01,256 INFO L470 AbstractCegarLoop]: Abstraction has has 122 places, 106 transitions, 282 flow [2021-11-13 17:56:01,258 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 88.0625) internal successors, (1409), 16 states have internal predecessors, (1409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:56:01,258 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 17:56:01,258 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] [2021-11-13 17:56:01,282 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb4aacd-bd80-4849-82b3-74ee363f7ea7/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-13 17:56:01,474 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb4aacd-bd80-4849-82b3-74ee363f7ea7/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 [2021-11-13 17:56:01,475 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-11-13 17:56:01,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:56:01,475 INFO L85 PathProgramCache]: Analyzing trace with hash -410972266, now seen corresponding path program 3 times [2021-11-13 17:56:01,476 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 17:56:01,476 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1726297124] [2021-11-13 17:56:01,476 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-13 17:56:01,476 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 17:56:01,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb4aacd-bd80-4849-82b3-74ee363f7ea7/bin/uautomizer-YU5uOKAj3y/mathsat [2021-11-13 17:56:01,477 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb4aacd-bd80-4849-82b3-74ee363f7ea7/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 17:56:01,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb4aacd-bd80-4849-82b3-74ee363f7ea7/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-13 17:56:01,659 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2021-11-13 17:56:01,659 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-13 17:56:01,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-13 17:56:01,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:56:01,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:56:01,866 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 17:56:02,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:56:02,113 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-13 17:56:02,114 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1726297124] [2021-11-13 17:56:02,114 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1726297124] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 17:56:02,114 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:56:02,114 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2021-11-13 17:56:02,115 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557451393] [2021-11-13 17:56:02,115 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 17:56:02,115 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-13 17:56:02,116 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-13 17:56:02,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-13 17:56:02,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-11-13 17:56:02,118 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 116 [2021-11-13 17:56:02,120 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 106 transitions, 282 flow. Second operand has 12 states, 12 states have (on average 93.75) internal successors, (1125), 12 states have internal predecessors, (1125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:56:02,120 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 17:56:02,120 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 116 [2021-11-13 17:56:02,120 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 17:56:02,451 INFO L129 PetriNetUnfolder]: 106/512 cut-off events. [2021-11-13 17:56:02,453 INFO L130 PetriNetUnfolder]: For 112/114 co-relation queries the response was YES. [2021-11-13 17:56:02,456 INFO L84 FinitePrefix]: Finished finitePrefix Result has 953 conditions, 512 events. 106/512 cut-off events. For 112/114 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 2950 event pairs, 17 based on Foata normal form. 3/505 useless extension candidates. Maximal degree in co-relation 941. Up to 94 conditions per place. [2021-11-13 17:56:02,458 INFO L132 encePairwiseOnDemand]: 110/116 looper letters, 22 selfloop transitions, 1 changer transitions 16/121 dead transitions. [2021-11-13 17:56:02,458 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 121 transitions, 414 flow [2021-11-13 17:56:02,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 17:56:02,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-11-13 17:56:02,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 671 transitions. [2021-11-13 17:56:02,462 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8263546798029556 [2021-11-13 17:56:02,462 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 671 transitions. [2021-11-13 17:56:02,462 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 671 transitions. [2021-11-13 17:56:02,463 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 17:56:02,463 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 671 transitions. [2021-11-13 17:56:02,466 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 95.85714285714286) internal successors, (671), 7 states have internal predecessors, (671), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:56:02,469 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 116.0) internal successors, (928), 8 states have internal predecessors, (928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:56:02,469 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 116.0) internal successors, (928), 8 states have internal predecessors, (928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:56:02,470 INFO L186 Difference]: Start difference. First operand has 122 places, 106 transitions, 282 flow. Second operand 7 states and 671 transitions. [2021-11-13 17:56:02,470 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 121 transitions, 414 flow [2021-11-13 17:56:02,497 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 121 transitions, 398 flow, removed 5 selfloop flow, removed 6 redundant places. [2021-11-13 17:56:02,500 INFO L242 Difference]: Finished difference. Result has 124 places, 104 transitions, 274 flow [2021-11-13 17:56:02,501 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=116, PETRI_DIFFERENCE_MINUEND_FLOW=271, PETRI_DIFFERENCE_MINUEND_PLACES=113, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=105, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=274, PETRI_PLACES=124, PETRI_TRANSITIONS=104} [2021-11-13 17:56:02,504 INFO L334 CegarLoopForPetriNet]: 121 programPoint places, 3 predicate places. [2021-11-13 17:56:02,504 INFO L470 AbstractCegarLoop]: Abstraction has has 124 places, 104 transitions, 274 flow [2021-11-13 17:56:02,505 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 93.75) internal successors, (1125), 12 states have internal predecessors, (1125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:56:02,505 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 17:56:02,506 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] [2021-11-13 17:56:02,527 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb4aacd-bd80-4849-82b3-74ee363f7ea7/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-13 17:56:02,718 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb4aacd-bd80-4849-82b3-74ee363f7ea7/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 [2021-11-13 17:56:02,719 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-11-13 17:56:02,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:56:02,719 INFO L85 PathProgramCache]: Analyzing trace with hash -109841172, now seen corresponding path program 4 times [2021-11-13 17:56:02,720 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 17:56:02,720 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [451290658] [2021-11-13 17:56:02,720 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-13 17:56:02,720 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 17:56:02,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb4aacd-bd80-4849-82b3-74ee363f7ea7/bin/uautomizer-YU5uOKAj3y/mathsat [2021-11-13 17:56:02,722 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb4aacd-bd80-4849-82b3-74ee363f7ea7/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 17:56:02,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb4aacd-bd80-4849-82b3-74ee363f7ea7/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-13 17:56:02,913 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-13 17:56:02,913 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-13 17:56:02,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-13 17:56:02,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:56:03,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:56:03,637 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 17:56:05,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:56:05,257 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-13 17:56:05,257 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [451290658] [2021-11-13 17:56:05,257 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [451290658] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 17:56:05,258 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:56:05,258 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12, 13] imperfect sequences [] total 19 [2021-11-13 17:56:05,258 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452395204] [2021-11-13 17:56:05,258 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 17:56:05,258 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-11-13 17:56:05,259 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-13 17:56:05,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-11-13 17:56:05,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=270, Unknown=0, NotChecked=0, Total=342 [2021-11-13 17:56:05,262 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 116 [2021-11-13 17:56:05,282 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 104 transitions, 274 flow. Second operand has 19 states, 19 states have (on average 85.89473684210526) internal successors, (1632), 19 states have internal predecessors, (1632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:56:05,282 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 17:56:05,282 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 116 [2021-11-13 17:56:05,283 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 17:56:05,596 INFO L129 PetriNetUnfolder]: 40/321 cut-off events. [2021-11-13 17:56:05,596 INFO L130 PetriNetUnfolder]: For 53/71 co-relation queries the response was YES. [2021-11-13 17:56:05,597 INFO L84 FinitePrefix]: Finished finitePrefix Result has 576 conditions, 321 events. 40/321 cut-off events. For 53/71 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 1525 event pairs, 7 based on Foata normal form. 2/315 useless extension candidates. Maximal degree in co-relation 562. Up to 35 conditions per place. [2021-11-13 17:56:05,599 INFO L132 encePairwiseOnDemand]: 105/116 looper letters, 24 selfloop transitions, 7 changer transitions 8/114 dead transitions. [2021-11-13 17:56:05,599 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 114 transitions, 388 flow [2021-11-13 17:56:05,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-13 17:56:05,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-11-13 17:56:05,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 879 transitions. [2021-11-13 17:56:05,603 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7577586206896552 [2021-11-13 17:56:05,603 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 879 transitions. [2021-11-13 17:56:05,603 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 879 transitions. [2021-11-13 17:56:05,604 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 17:56:05,604 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 879 transitions. [2021-11-13 17:56:05,607 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 87.9) internal successors, (879), 10 states have internal predecessors, (879), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:56:05,610 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 116.0) internal successors, (1276), 11 states have internal predecessors, (1276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:56:05,611 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 116.0) internal successors, (1276), 11 states have internal predecessors, (1276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:56:05,611 INFO L186 Difference]: Start difference. First operand has 124 places, 104 transitions, 274 flow. Second operand 10 states and 879 transitions. [2021-11-13 17:56:05,612 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 114 transitions, 388 flow [2021-11-13 17:56:05,613 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 114 transitions, 369 flow, removed 7 selfloop flow, removed 6 redundant places. [2021-11-13 17:56:05,616 INFO L242 Difference]: Finished difference. Result has 127 places, 104 transitions, 288 flow [2021-11-13 17:56:05,616 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=116, PETRI_DIFFERENCE_MINUEND_FLOW=261, PETRI_DIFFERENCE_MINUEND_PLACES=114, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=104, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=97, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=288, PETRI_PLACES=127, PETRI_TRANSITIONS=104} [2021-11-13 17:56:05,617 INFO L334 CegarLoopForPetriNet]: 121 programPoint places, 6 predicate places. [2021-11-13 17:56:05,617 INFO L470 AbstractCegarLoop]: Abstraction has has 127 places, 104 transitions, 288 flow [2021-11-13 17:56:05,618 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 85.89473684210526) internal successors, (1632), 19 states have internal predecessors, (1632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:56:05,618 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 17:56:05,618 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] [2021-11-13 17:56:05,641 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb4aacd-bd80-4849-82b3-74ee363f7ea7/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-13 17:56:05,833 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb4aacd-bd80-4849-82b3-74ee363f7ea7/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 [2021-11-13 17:56:05,833 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-11-13 17:56:05,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:56:05,834 INFO L85 PathProgramCache]: Analyzing trace with hash -219160904, now seen corresponding path program 5 times [2021-11-13 17:56:05,834 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 17:56:05,835 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1833385791] [2021-11-13 17:56:05,835 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-11-13 17:56:05,835 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 17:56:05,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb4aacd-bd80-4849-82b3-74ee363f7ea7/bin/uautomizer-YU5uOKAj3y/mathsat [2021-11-13 17:56:05,836 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb4aacd-bd80-4849-82b3-74ee363f7ea7/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 17:56:05,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb4aacd-bd80-4849-82b3-74ee363f7ea7/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-13 17:56:06,068 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-13 17:56:06,068 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-13 17:56:06,069 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:56:06,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:56:06,377 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-11-13 17:56:06,378 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-13 17:56:06,379 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 6 remaining) [2021-11-13 17:56:06,381 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining) [2021-11-13 17:56:06,381 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 6 remaining) [2021-11-13 17:56:06,381 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (2 of 6 remaining) [2021-11-13 17:56:06,381 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION (1 of 6 remaining) [2021-11-13 17:56:06,382 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2021-11-13 17:56:06,404 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb4aacd-bd80-4849-82b3-74ee363f7ea7/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-13 17:56:06,597 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb4aacd-bd80-4849-82b3-74ee363f7ea7/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 [2021-11-13 17:56:06,600 INFO L732 BasicCegarLoop]: Path program histogram: [5, 1, 1, 1] [2021-11-13 17:56:06,605 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-13 17:56:06,605 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-13 17:56:06,736 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.computeCurrectProc(InlinerBacktranslator.java:230) at de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.translateProgramExecution(InlinerBacktranslator.java:203) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:216) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:206) at de.uni_freiburg.informatik.ultimate.core.lib.results.CounterExampleResult.getProgramExecutionAsString(CounterExampleResult.java:155) at de.uni_freiburg.informatik.ultimate.core.lib.results.CounterExampleResult.getLongDescription(CounterExampleResult.java:134) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResultReporter.reportResult(CegarLoopResultReporter.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportLocationResults(TraceAbstractionStarter.java:586) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:181) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-13 17:56:06,745 INFO L158 Benchmark]: Toolchain (without parser) took 18067.17ms. Allocated memory was 54.5MB in the beginning and 148.9MB in the end (delta: 94.4MB). Free memory was 31.3MB in the beginning and 108.2MB in the end (delta: -76.8MB). Peak memory consumption was 96.0MB. Max. memory is 16.1GB. [2021-11-13 17:56:06,746 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 54.5MB. Free memory was 35.2MB in the beginning and 35.1MB in the end (delta: 43.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 17:56:06,747 INFO L158 Benchmark]: CACSL2BoogieTranslator took 954.89ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 31.2MB in the beginning and 35.3MB in the end (delta: -4.1MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2021-11-13 17:56:06,747 INFO L158 Benchmark]: Boogie Procedure Inliner took 145.39ms. Allocated memory is still 67.1MB. Free memory was 35.1MB in the beginning and 47.3MB in the end (delta: -12.2MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. [2021-11-13 17:56:06,748 INFO L158 Benchmark]: Boogie Preprocessor took 101.72ms. Allocated memory is still 67.1MB. Free memory was 47.3MB in the beginning and 44.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 17:56:06,750 INFO L158 Benchmark]: RCFGBuilder took 1893.55ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 44.3MB in the beginning and 42.9MB in the end (delta: 1.5MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. [2021-11-13 17:56:06,753 INFO L158 Benchmark]: TraceAbstraction took 14964.50ms. Allocated memory was 81.8MB in the beginning and 148.9MB in the end (delta: 67.1MB). Free memory was 42.1MB in the beginning and 108.2MB in the end (delta: -66.1MB). Peak memory consumption was 79.2MB. Max. memory is 16.1GB. [2021-11-13 17:56:06,758 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 54.5MB. Free memory was 35.2MB in the beginning and 35.1MB in the end (delta: 43.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 954.89ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 31.2MB in the beginning and 35.3MB in the end (delta: -4.1MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 145.39ms. Allocated memory is still 67.1MB. Free memory was 35.1MB in the beginning and 47.3MB in the end (delta: -12.2MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 101.72ms. Allocated memory is still 67.1MB. Free memory was 47.3MB in the beginning and 44.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1893.55ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 44.3MB in the beginning and 42.9MB in the end (delta: 1.5MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. * TraceAbstraction took 14964.50ms. Allocated memory was 81.8MB in the beginning and 148.9MB in the end (delta: 67.1MB). Free memory was 42.1MB in the beginning and 108.2MB in the end (delta: -66.1MB). Peak memory consumption was 79.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: null: de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.computeCurrectProc(InlinerBacktranslator.java:230) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-13 17:56:06,802 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb4aacd-bd80-4849-82b3-74ee363f7ea7/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: NullPointerException: null