./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread/singleton_with-uninit-problems.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread/singleton_with-uninit-problems.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9556b3eb7217f056a72a299bf0514e64606a248fa454b59dcc03e4a2e74c7c90 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 03:27:35,108 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 03:27:35,170 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2023-11-29 03:27:35,174 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 03:27:35,175 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 03:27:35,196 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 03:27:35,197 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 03:27:35,198 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 03:27:35,198 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 03:27:35,199 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 03:27:35,199 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 03:27:35,200 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 03:27:35,200 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 03:27:35,201 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 03:27:35,201 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 03:27:35,202 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 03:27:35,202 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 03:27:35,203 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 03:27:35,203 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 03:27:35,204 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 03:27:35,204 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-29 03:27:35,208 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-29 03:27:35,208 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-29 03:27:35,208 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 03:27:35,209 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 03:27:35,209 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 03:27:35,209 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 03:27:35,210 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 03:27:35,210 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 03:27:35,210 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 03:27:35,211 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 03:27:35,211 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 03:27:35,211 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 03:27:35,212 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 03:27:35,212 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 03:27:35,212 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 03:27:35,212 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 03:27:35,213 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 03:27:35,213 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 03:27:35,213 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 03:27:35,213 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 03:27:35,214 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9556b3eb7217f056a72a299bf0514e64606a248fa454b59dcc03e4a2e74c7c90 [2023-11-29 03:27:35,409 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 03:27:35,429 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 03:27:35,432 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 03:27:35,433 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 03:27:35,434 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 03:27:35,435 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/pthread/singleton_with-uninit-problems.i [2023-11-29 03:27:38,179 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 03:27:38,424 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 03:27:38,424 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/sv-benchmarks/c/pthread/singleton_with-uninit-problems.i [2023-11-29 03:27:38,451 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/data/9352d9fac/77300059ede94995a9077c43ea7e9913/FLAG9c09579d1 [2023-11-29 03:27:38,465 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/data/9352d9fac/77300059ede94995a9077c43ea7e9913 [2023-11-29 03:27:38,468 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 03:27:38,469 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 03:27:38,470 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 03:27:38,470 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 03:27:38,476 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 03:27:38,476 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:27:38" (1/1) ... [2023-11-29 03:27:38,477 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52f595aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:27:38, skipping insertion in model container [2023-11-29 03:27:38,477 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:27:38" (1/1) ... [2023-11-29 03:27:38,533 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 03:27:39,053 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:27:39,064 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 03:27:39,113 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:27:39,186 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 03:27:39,186 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 03:27:39,194 INFO L206 MainTranslator]: Completed translation [2023-11-29 03:27:39,195 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:27:39 WrapperNode [2023-11-29 03:27:39,195 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 03:27:39,196 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 03:27:39,196 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 03:27:39,196 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 03:27:39,204 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:27:39" (1/1) ... [2023-11-29 03:27:39,226 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:27:39" (1/1) ... [2023-11-29 03:27:39,261 INFO L138 Inliner]: procedures = 324, calls = 53, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 43 [2023-11-29 03:27:39,262 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 03:27:39,263 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 03:27:39,263 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 03:27:39,263 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 03:27:39,275 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:27:39" (1/1) ... [2023-11-29 03:27:39,276 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:27:39" (1/1) ... [2023-11-29 03:27:39,289 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:27:39" (1/1) ... [2023-11-29 03:27:39,317 INFO L175 MemorySlicer]: Split 18 memory accesses to 8 slices as follows [2, 2, 2, 4, 2, 2, 2, 2]. 22 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [0, 2, 0, 0, 0, 0, 0, 0]. The 8 writes are split as follows [1, 0, 1, 2, 1, 1, 1, 1]. [2023-11-29 03:27:39,317 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:27:39" (1/1) ... [2023-11-29 03:27:39,318 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:27:39" (1/1) ... [2023-11-29 03:27:39,328 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:27:39" (1/1) ... [2023-11-29 03:27:39,330 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:27:39" (1/1) ... [2023-11-29 03:27:39,333 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:27:39" (1/1) ... [2023-11-29 03:27:39,334 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:27:39" (1/1) ... [2023-11-29 03:27:39,338 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 03:27:39,338 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 03:27:39,338 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 03:27:39,339 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 03:27:39,339 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:27:39" (1/1) ... [2023-11-29 03:27:39,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 03:27:39,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:27:39,366 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 03:27:39,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 03:27:39,398 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-29 03:27:39,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 03:27:39,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 03:27:39,399 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-29 03:27:39,399 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-29 03:27:39,399 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-29 03:27:39,399 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-29 03:27:39,399 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-29 03:27:39,399 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-29 03:27:39,399 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-29 03:27:39,400 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-29 03:27:39,400 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-11-29 03:27:39,400 INFO L130 BoogieDeclarations]: Found specification of procedure thread0 [2023-11-29 03:27:39,400 INFO L138 BoogieDeclarations]: Found implementation of procedure thread0 [2023-11-29 03:27:39,400 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-29 03:27:39,400 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-29 03:27:39,400 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-29 03:27:39,400 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-29 03:27:39,401 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-29 03:27:39,401 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-29 03:27:39,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-29 03:27:39,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-29 03:27:39,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-29 03:27:39,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-29 03:27:39,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-29 03:27:39,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-29 03:27:39,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-29 03:27:39,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-11-29 03:27:39,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-29 03:27:39,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 03:27:39,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 03:27:39,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-29 03:27:39,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-29 03:27:39,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-29 03:27:39,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-29 03:27:39,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-29 03:27:39,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-29 03:27:39,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-11-29 03:27:39,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 03:27:39,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 03:27:39,404 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-29 03:27:39,564 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 03:27:39,566 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 03:27:39,818 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 03:27:39,912 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 03:27:39,912 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-29 03:27:39,912 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:27:39 BoogieIcfgContainer [2023-11-29 03:27:39,912 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 03:27:39,914 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 03:27:39,914 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 03:27:39,917 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 03:27:39,917 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 03:27:38" (1/3) ... [2023-11-29 03:27:39,917 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27877614 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:27:39, skipping insertion in model container [2023-11-29 03:27:39,918 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:27:39" (2/3) ... [2023-11-29 03:27:39,918 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27877614 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:27:39, skipping insertion in model container [2023-11-29 03:27:39,918 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:27:39" (3/3) ... [2023-11-29 03:27:39,919 INFO L112 eAbstractionObserver]: Analyzing ICFG singleton_with-uninit-problems.i [2023-11-29 03:27:39,933 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 03:27:39,933 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 34 error locations. [2023-11-29 03:27:39,933 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-29 03:27:40,041 INFO L144 ThreadInstanceAdder]: Constructed 21 joinOtherThreadTransitions. [2023-11-29 03:27:40,074 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 170 places, 162 transitions, 421 flow [2023-11-29 03:27:40,120 INFO L124 PetriNetUnfolderBase]: 8/107 cut-off events. [2023-11-29 03:27:40,121 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2023-11-29 03:27:40,125 INFO L83 FinitePrefix]: Finished finitePrefix Result has 137 conditions, 107 events. 8/107 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 191 event pairs, 0 based on Foata normal form. 0/61 useless extension candidates. Maximal degree in co-relation 107. Up to 3 conditions per place. [2023-11-29 03:27:40,125 INFO L82 GeneralOperation]: Start removeDead. Operand has 170 places, 162 transitions, 421 flow [2023-11-29 03:27:40,131 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 117 places, 106 transitions, 263 flow [2023-11-29 03:27:40,141 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 03:27:40,147 INFO L357 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=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@ed5cab0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 03:27:40,147 INFO L358 AbstractCegarLoop]: Starting to check reachability of 73 error locations. [2023-11-29 03:27:40,149 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-29 03:27:40,150 INFO L124 PetriNetUnfolderBase]: 0/2 cut-off events. [2023-11-29 03:27:40,161 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 03:27:40,161 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:27:40,162 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2023-11-29 03:27:40,162 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 70 more)] === [2023-11-29 03:27:40,168 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:27:40,168 INFO L85 PathProgramCache]: Analyzing trace with hash 10354, now seen corresponding path program 1 times [2023-11-29 03:27:40,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:27:40,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016806195] [2023-11-29 03:27:40,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:27:40,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:27:40,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:27:40,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:27:40,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:27:40,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016806195] [2023-11-29 03:27:40,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1016806195] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:27:40,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:27:40,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-29 03:27:40,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59303050] [2023-11-29 03:27:40,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:27:40,405 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:27:40,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:27:40,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:27:40,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:27:40,528 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 164 [2023-11-29 03:27:40,532 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 106 transitions, 263 flow. Second operand has 3 states, 3 states have (on average 87.66666666666667) internal successors, (263), 3 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:27:40,532 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:27:40,532 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 164 [2023-11-29 03:27:40,533 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:27:43,722 INFO L124 PetriNetUnfolderBase]: 17148/29861 cut-off events. [2023-11-29 03:27:43,722 INFO L125 PetriNetUnfolderBase]: For 1886/1892 co-relation queries the response was YES. [2023-11-29 03:27:43,811 INFO L83 FinitePrefix]: Finished finitePrefix Result has 54093 conditions, 29861 events. 17148/29861 cut-off events. For 1886/1892 co-relation queries the response was YES. Maximal size of possible extension queue 2312. Compared 271559 event pairs, 16673 based on Foata normal form. 4/17162 useless extension candidates. Maximal degree in co-relation 54029. Up to 22324 conditions per place. [2023-11-29 03:27:44,009 INFO L140 encePairwiseOnDemand]: 156/164 looper letters, 56 selfloop transitions, 4 changer transitions 0/110 dead transitions. [2023-11-29 03:27:44,009 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 110 transitions, 394 flow [2023-11-29 03:27:44,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:27:44,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:27:44,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 327 transitions. [2023-11-29 03:27:44,022 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6646341463414634 [2023-11-29 03:27:44,023 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 327 transitions. [2023-11-29 03:27:44,024 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 327 transitions. [2023-11-29 03:27:44,025 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:27:44,028 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 327 transitions. [2023-11-29 03:27:44,032 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 109.0) internal successors, (327), 3 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:27:44,037 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 164.0) internal successors, (656), 4 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:27:44,038 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 164.0) internal successors, (656), 4 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:27:44,040 INFO L175 Difference]: Start difference. First operand has 117 places, 106 transitions, 263 flow. Second operand 3 states and 327 transitions. [2023-11-29 03:27:44,041 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 110 transitions, 394 flow [2023-11-29 03:27:44,115 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 110 transitions, 358 flow, removed 0 selfloop flow, removed 12 redundant places. [2023-11-29 03:27:44,118 INFO L231 Difference]: Finished difference. Result has 107 places, 104 transitions, 247 flow [2023-11-29 03:27:44,120 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=221, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=247, PETRI_PLACES=107, PETRI_TRANSITIONS=104} [2023-11-29 03:27:44,124 INFO L281 CegarLoopForPetriNet]: 117 programPoint places, -10 predicate places. [2023-11-29 03:27:44,124 INFO L495 AbstractCegarLoop]: Abstraction has has 107 places, 104 transitions, 247 flow [2023-11-29 03:27:44,124 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 87.66666666666667) internal successors, (263), 3 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:27:44,125 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:27:44,125 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2023-11-29 03:27:44,125 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 03:27:44,125 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 70 more)] === [2023-11-29 03:27:44,126 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:27:44,126 INFO L85 PathProgramCache]: Analyzing trace with hash 10355, now seen corresponding path program 1 times [2023-11-29 03:27:44,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:27:44,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918131621] [2023-11-29 03:27:44,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:27:44,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:27:44,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:27:44,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:27:44,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:27:44,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918131621] [2023-11-29 03:27:44,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1918131621] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:27:44,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:27:44,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-29 03:27:44,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152403271] [2023-11-29 03:27:44,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:27:44,215 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:27:44,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:27:44,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:27:44,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:27:44,308 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 164 [2023-11-29 03:27:44,309 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 104 transitions, 247 flow. Second operand has 3 states, 3 states have (on average 89.66666666666667) internal successors, (269), 3 states have internal predecessors, (269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:27:44,309 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:27:44,309 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 164 [2023-11-29 03:27:44,309 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:27:46,546 INFO L124 PetriNetUnfolderBase]: 17144/29850 cut-off events. [2023-11-29 03:27:46,547 INFO L125 PetriNetUnfolderBase]: For 480/485 co-relation queries the response was YES. [2023-11-29 03:27:46,584 INFO L83 FinitePrefix]: Finished finitePrefix Result has 52670 conditions, 29850 events. 17144/29850 cut-off events. For 480/485 co-relation queries the response was YES. Maximal size of possible extension queue 2415. Compared 271993 event pairs, 14946 based on Foata normal form. 7/17156 useless extension candidates. Maximal degree in co-relation 52589. Up to 22315 conditions per place. [2023-11-29 03:27:46,690 INFO L140 encePairwiseOnDemand]: 160/164 looper letters, 51 selfloop transitions, 2 changer transitions 0/105 dead transitions. [2023-11-29 03:27:46,691 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 105 transitions, 355 flow [2023-11-29 03:27:46,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:27:46,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:27:46,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 321 transitions. [2023-11-29 03:27:46,694 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6524390243902439 [2023-11-29 03:27:46,694 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 321 transitions. [2023-11-29 03:27:46,695 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 321 transitions. [2023-11-29 03:27:46,695 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:27:46,695 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 321 transitions. [2023-11-29 03:27:46,697 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) [2023-11-29 03:27:46,700 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 164.0) internal successors, (656), 4 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:27:46,701 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 164.0) internal successors, (656), 4 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:27:46,701 INFO L175 Difference]: Start difference. First operand has 107 places, 104 transitions, 247 flow. Second operand 3 states and 321 transitions. [2023-11-29 03:27:46,701 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 105 transitions, 355 flow [2023-11-29 03:27:46,703 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 105 transitions, 347 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 03:27:46,705 INFO L231 Difference]: Finished difference. Result has 107 places, 103 transitions, 245 flow [2023-11-29 03:27:46,705 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=237, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=103, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=101, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=245, PETRI_PLACES=107, PETRI_TRANSITIONS=103} [2023-11-29 03:27:46,706 INFO L281 CegarLoopForPetriNet]: 117 programPoint places, -10 predicate places. [2023-11-29 03:27:46,706 INFO L495 AbstractCegarLoop]: Abstraction has has 107 places, 103 transitions, 245 flow [2023-11-29 03:27:46,707 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 89.66666666666667) internal successors, (269), 3 states have internal predecessors, (269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:27:46,707 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:27:46,707 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-11-29 03:27:46,707 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 03:27:46,707 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 70 more)] === [2023-11-29 03:27:46,707 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:27:46,708 INFO L85 PathProgramCache]: Analyzing trace with hash 308853602, now seen corresponding path program 1 times [2023-11-29 03:27:46,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:27:46,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704313186] [2023-11-29 03:27:46,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:27:46,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:27:46,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:27:46,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:27:46,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:27:46,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704313186] [2023-11-29 03:27:46,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704313186] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:27:46,961 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:27:46,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:27:46,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094949878] [2023-11-29 03:27:46,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:27:46,962 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:27:46,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:27:46,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:27:46,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:27:47,037 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 164 [2023-11-29 03:27:47,038 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 103 transitions, 245 flow. Second operand has 3 states, 3 states have (on average 88.33333333333333) internal successors, (265), 3 states have internal predecessors, (265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:27:47,038 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:27:47,038 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 164 [2023-11-29 03:27:47,038 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:27:48,284 INFO L124 PetriNetUnfolderBase]: 10864/19355 cut-off events. [2023-11-29 03:27:48,284 INFO L125 PetriNetUnfolderBase]: For 319/321 co-relation queries the response was YES. [2023-11-29 03:27:48,316 INFO L83 FinitePrefix]: Finished finitePrefix Result has 34031 conditions, 19355 events. 10864/19355 cut-off events. For 319/321 co-relation queries the response was YES. Maximal size of possible extension queue 1739. Compared 171380 event pairs, 8821 based on Foata normal form. 0/10889 useless extension candidates. Maximal degree in co-relation 33956. Up to 14312 conditions per place. [2023-11-29 03:27:48,482 INFO L140 encePairwiseOnDemand]: 160/164 looper letters, 51 selfloop transitions, 2 changer transitions 0/102 dead transitions. [2023-11-29 03:27:48,482 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 102 transitions, 349 flow [2023-11-29 03:27:48,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:27:48,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:27:48,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 315 transitions. [2023-11-29 03:27:48,484 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6402439024390244 [2023-11-29 03:27:48,484 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 315 transitions. [2023-11-29 03:27:48,484 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 315 transitions. [2023-11-29 03:27:48,485 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:27:48,485 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 315 transitions. [2023-11-29 03:27:48,486 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 105.0) internal successors, (315), 3 states have internal predecessors, (315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:27:48,487 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 164.0) internal successors, (656), 4 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:27:48,488 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 164.0) internal successors, (656), 4 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:27:48,488 INFO L175 Difference]: Start difference. First operand has 107 places, 103 transitions, 245 flow. Second operand 3 states and 315 transitions. [2023-11-29 03:27:48,488 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 102 transitions, 349 flow [2023-11-29 03:27:48,489 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 102 transitions, 345 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 03:27:48,491 INFO L231 Difference]: Finished difference. Result has 105 places, 101 transitions, 241 flow [2023-11-29 03:27:48,492 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=237, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=101, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=99, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=241, PETRI_PLACES=105, PETRI_TRANSITIONS=101} [2023-11-29 03:27:48,492 INFO L281 CegarLoopForPetriNet]: 117 programPoint places, -12 predicate places. [2023-11-29 03:27:48,493 INFO L495 AbstractCegarLoop]: Abstraction has has 105 places, 101 transitions, 241 flow [2023-11-29 03:27:48,493 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 88.33333333333333) internal successors, (265), 3 states have internal predecessors, (265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:27:48,493 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:27:48,493 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-11-29 03:27:48,493 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 03:27:48,494 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 70 more)] === [2023-11-29 03:27:48,494 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:27:48,494 INFO L85 PathProgramCache]: Analyzing trace with hash 308853603, now seen corresponding path program 1 times [2023-11-29 03:27:48,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:27:48,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977640129] [2023-11-29 03:27:48,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:27:48,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:27:48,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:27:48,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:27:48,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:27:48,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977640129] [2023-11-29 03:27:48,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977640129] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:27:48,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:27:48,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:27:48,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756555050] [2023-11-29 03:27:48,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:27:48,650 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:27:48,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:27:48,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:27:48,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:27:48,728 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 164 [2023-11-29 03:27:48,728 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 101 transitions, 241 flow. Second operand has 3 states, 3 states have (on average 90.33333333333333) internal successors, (271), 3 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:27:48,729 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:27:48,729 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 164 [2023-11-29 03:27:48,729 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:27:49,837 INFO L124 PetriNetUnfolderBase]: 10860/19348 cut-off events. [2023-11-29 03:27:49,837 INFO L125 PetriNetUnfolderBase]: For 321/324 co-relation queries the response was YES. [2023-11-29 03:27:49,861 INFO L83 FinitePrefix]: Finished finitePrefix Result has 34013 conditions, 19348 events. 10860/19348 cut-off events. For 321/324 co-relation queries the response was YES. Maximal size of possible extension queue 1743. Compared 171500 event pairs, 10538 based on Foata normal form. 5/10887 useless extension candidates. Maximal degree in co-relation 33948. Up to 14315 conditions per place. [2023-11-29 03:27:49,943 INFO L140 encePairwiseOnDemand]: 160/164 looper letters, 51 selfloop transitions, 2 changer transitions 0/102 dead transitions. [2023-11-29 03:27:49,943 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 102 transitions, 349 flow [2023-11-29 03:27:49,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:27:49,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:27:49,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 321 transitions. [2023-11-29 03:27:49,944 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6524390243902439 [2023-11-29 03:27:49,944 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 321 transitions. [2023-11-29 03:27:49,945 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 321 transitions. [2023-11-29 03:27:49,945 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:27:49,945 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 321 transitions. [2023-11-29 03:27:49,946 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) [2023-11-29 03:27:49,948 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 164.0) internal successors, (656), 4 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:27:49,948 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 164.0) internal successors, (656), 4 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:27:49,949 INFO L175 Difference]: Start difference. First operand has 105 places, 101 transitions, 241 flow. Second operand 3 states and 321 transitions. [2023-11-29 03:27:49,949 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 102 transitions, 349 flow [2023-11-29 03:27:49,950 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 102 transitions, 345 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 03:27:49,952 INFO L231 Difference]: Finished difference. Result has 105 places, 100 transitions, 243 flow [2023-11-29 03:27:49,952 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=235, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=100, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=243, PETRI_PLACES=105, PETRI_TRANSITIONS=100} [2023-11-29 03:27:49,953 INFO L281 CegarLoopForPetriNet]: 117 programPoint places, -12 predicate places. [2023-11-29 03:27:49,953 INFO L495 AbstractCegarLoop]: Abstraction has has 105 places, 100 transitions, 243 flow [2023-11-29 03:27:49,954 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 90.33333333333333) internal successors, (271), 3 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:27:49,954 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:27:49,954 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:27:49,954 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 03:27:49,954 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 70 more)] === [2023-11-29 03:27:49,955 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:27:49,955 INFO L85 PathProgramCache]: Analyzing trace with hash -273228743, now seen corresponding path program 1 times [2023-11-29 03:27:49,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:27:49,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630058237] [2023-11-29 03:27:49,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:27:49,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:27:49,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:27:50,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:27:50,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:27:50,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630058237] [2023-11-29 03:27:50,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [630058237] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:27:50,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:27:50,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 03:27:50,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115162452] [2023-11-29 03:27:50,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:27:50,220 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 03:27:50,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:27:50,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 03:27:50,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-11-29 03:27:50,535 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 164 [2023-11-29 03:27:50,536 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 100 transitions, 243 flow. Second operand has 6 states, 6 states have (on average 84.5) internal successors, (507), 6 states have internal predecessors, (507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:27:50,536 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:27:50,536 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 164 [2023-11-29 03:27:50,536 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:27:52,513 INFO L124 PetriNetUnfolderBase]: 17148/29854 cut-off events. [2023-11-29 03:27:52,513 INFO L125 PetriNetUnfolderBase]: For 3925/3931 co-relation queries the response was YES. [2023-11-29 03:27:52,555 INFO L83 FinitePrefix]: Finished finitePrefix Result has 54424 conditions, 29854 events. 17148/29854 cut-off events. For 3925/3931 co-relation queries the response was YES. Maximal size of possible extension queue 2419. Compared 271940 event pairs, 13227 based on Foata normal form. 1721/18881 useless extension candidates. Maximal degree in co-relation 33937. Up to 22313 conditions per place. [2023-11-29 03:27:52,730 INFO L140 encePairwiseOnDemand]: 158/164 looper letters, 56 selfloop transitions, 6 changer transitions 0/107 dead transitions. [2023-11-29 03:27:52,730 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 107 transitions, 382 flow [2023-11-29 03:27:52,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 03:27:52,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-29 03:27:52,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 479 transitions. [2023-11-29 03:27:52,732 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5841463414634146 [2023-11-29 03:27:52,732 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 479 transitions. [2023-11-29 03:27:52,732 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 479 transitions. [2023-11-29 03:27:52,732 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:27:52,733 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 479 transitions. [2023-11-29 03:27:52,734 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 95.8) internal successors, (479), 5 states have internal predecessors, (479), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:27:52,735 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 164.0) internal successors, (984), 6 states have internal predecessors, (984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:27:52,736 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 164.0) internal successors, (984), 6 states have internal predecessors, (984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:27:52,736 INFO L175 Difference]: Start difference. First operand has 105 places, 100 transitions, 243 flow. Second operand 5 states and 479 transitions. [2023-11-29 03:27:52,736 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 107 transitions, 382 flow [2023-11-29 03:27:52,737 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 107 transitions, 376 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-11-29 03:27:52,739 INFO L231 Difference]: Finished difference. Result has 105 places, 99 transitions, 245 flow [2023-11-29 03:27:52,739 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=233, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=99, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=245, PETRI_PLACES=105, PETRI_TRANSITIONS=99} [2023-11-29 03:27:52,739 INFO L281 CegarLoopForPetriNet]: 117 programPoint places, -12 predicate places. [2023-11-29 03:27:52,740 INFO L495 AbstractCegarLoop]: Abstraction has has 105 places, 99 transitions, 245 flow [2023-11-29 03:27:52,740 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 84.5) internal successors, (507), 6 states have internal predecessors, (507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:27:52,740 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:27:52,740 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:27:52,740 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 03:27:52,740 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread0Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 70 more)] === [2023-11-29 03:27:52,741 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:27:52,741 INFO L85 PathProgramCache]: Analyzing trace with hash -273270938, now seen corresponding path program 1 times [2023-11-29 03:27:52,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:27:52,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269600040] [2023-11-29 03:27:52,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:27:52,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:27:52,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:27:52,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:27:52,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:27:52,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269600040] [2023-11-29 03:27:52,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269600040] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:27:52,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:27:52,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 03:27:52,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583071157] [2023-11-29 03:27:52,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:27:52,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 03:27:52,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:27:52,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 03:27:52,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:27:53,013 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 164 [2023-11-29 03:27:53,014 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 99 transitions, 245 flow. Second operand has 5 states, 5 states have (on average 86.6) internal successors, (433), 5 states have internal predecessors, (433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:27:53,014 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:27:53,014 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 164 [2023-11-29 03:27:53,014 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:27:54,057 INFO L124 PetriNetUnfolderBase]: 10864/19348 cut-off events. [2023-11-29 03:27:54,058 INFO L125 PetriNetUnfolderBase]: For 326/328 co-relation queries the response was YES. [2023-11-29 03:27:54,088 INFO L83 FinitePrefix]: Finished finitePrefix Result has 34023 conditions, 19348 events. 10864/19348 cut-off events. For 326/328 co-relation queries the response was YES. Maximal size of possible extension queue 1763. Compared 171672 event pairs, 8821 based on Foata normal form. 2/10885 useless extension candidates. Maximal degree in co-relation 33944. Up to 14312 conditions per place. [2023-11-29 03:27:54,293 INFO L140 encePairwiseOnDemand]: 161/164 looper letters, 51 selfloop transitions, 2 changer transitions 0/99 dead transitions. [2023-11-29 03:27:54,293 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 99 transitions, 349 flow [2023-11-29 03:27:54,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:27:54,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:27:54,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 308 transitions. [2023-11-29 03:27:54,295 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6260162601626016 [2023-11-29 03:27:54,295 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 308 transitions. [2023-11-29 03:27:54,295 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 308 transitions. [2023-11-29 03:27:54,295 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:27:54,295 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 308 transitions. [2023-11-29 03:27:54,296 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 102.66666666666667) internal successors, (308), 3 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:27:54,297 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 164.0) internal successors, (656), 4 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:27:54,298 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 164.0) internal successors, (656), 4 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:27:54,298 INFO L175 Difference]: Start difference. First operand has 105 places, 99 transitions, 245 flow. Second operand 3 states and 308 transitions. [2023-11-29 03:27:54,298 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 99 transitions, 349 flow [2023-11-29 03:27:54,299 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 99 transitions, 342 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-11-29 03:27:54,301 INFO L231 Difference]: Finished difference. Result has 103 places, 98 transitions, 238 flow [2023-11-29 03:27:54,301 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=234, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=96, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=238, PETRI_PLACES=103, PETRI_TRANSITIONS=98} [2023-11-29 03:27:54,301 INFO L281 CegarLoopForPetriNet]: 117 programPoint places, -14 predicate places. [2023-11-29 03:27:54,302 INFO L495 AbstractCegarLoop]: Abstraction has has 103 places, 98 transitions, 238 flow [2023-11-29 03:27:54,302 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 86.6) internal successors, (433), 5 states have internal predecessors, (433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:27:54,302 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:27:54,302 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:27:54,302 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 03:27:54,303 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread0Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 70 more)] === [2023-11-29 03:27:54,303 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:27:54,303 INFO L85 PathProgramCache]: Analyzing trace with hash -2051096857, now seen corresponding path program 1 times [2023-11-29 03:27:54,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:27:54,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698954426] [2023-11-29 03:27:54,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:27:54,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:27:54,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:27:54,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:27:54,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:27:54,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698954426] [2023-11-29 03:27:54,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698954426] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:27:54,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:27:54,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:27:54,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828404430] [2023-11-29 03:27:54,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:27:54,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:27:54,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:27:54,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:27:54,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:27:54,624 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 164 [2023-11-29 03:27:54,625 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 98 transitions, 238 flow. Second operand has 3 states, 3 states have (on average 90.0) internal successors, (270), 3 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:27:54,625 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:27:54,625 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 164 [2023-11-29 03:27:54,625 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:27:56,078 INFO L124 PetriNetUnfolderBase]: 15485/23463 cut-off events. [2023-11-29 03:27:56,078 INFO L125 PetriNetUnfolderBase]: For 129/131 co-relation queries the response was YES. [2023-11-29 03:27:56,108 INFO L83 FinitePrefix]: Finished finitePrefix Result has 43999 conditions, 23463 events. 15485/23463 cut-off events. For 129/131 co-relation queries the response was YES. Maximal size of possible extension queue 1706. Compared 169702 event pairs, 12819 based on Foata normal form. 0/14890 useless extension candidates. Maximal degree in co-relation 43920. Up to 20179 conditions per place. [2023-11-29 03:27:56,205 INFO L140 encePairwiseOnDemand]: 160/164 looper letters, 51 selfloop transitions, 2 changer transitions 0/97 dead transitions. [2023-11-29 03:27:56,205 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 97 transitions, 342 flow [2023-11-29 03:27:56,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:27:56,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:27:56,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 315 transitions. [2023-11-29 03:27:56,207 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6402439024390244 [2023-11-29 03:27:56,207 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 315 transitions. [2023-11-29 03:27:56,207 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 315 transitions. [2023-11-29 03:27:56,207 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:27:56,207 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 315 transitions. [2023-11-29 03:27:56,208 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 105.0) internal successors, (315), 3 states have internal predecessors, (315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:27:56,209 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 164.0) internal successors, (656), 4 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:27:56,210 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 164.0) internal successors, (656), 4 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:27:56,210 INFO L175 Difference]: Start difference. First operand has 103 places, 98 transitions, 238 flow. Second operand 3 states and 315 transitions. [2023-11-29 03:27:56,210 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 97 transitions, 342 flow [2023-11-29 03:27:56,211 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 97 transitions, 338 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 03:27:56,213 INFO L231 Difference]: Finished difference. Result has 101 places, 96 transitions, 234 flow [2023-11-29 03:27:56,213 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=230, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=234, PETRI_PLACES=101, PETRI_TRANSITIONS=96} [2023-11-29 03:27:56,214 INFO L281 CegarLoopForPetriNet]: 117 programPoint places, -16 predicate places. [2023-11-29 03:27:56,214 INFO L495 AbstractCegarLoop]: Abstraction has has 101 places, 96 transitions, 234 flow [2023-11-29 03:27:56,214 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 90.0) internal successors, (270), 3 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:27:56,214 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:27:56,214 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:27:56,214 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 03:27:56,214 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread0Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 70 more)] === [2023-11-29 03:27:56,215 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:27:56,215 INFO L85 PathProgramCache]: Analyzing trace with hash -2091314706, now seen corresponding path program 1 times [2023-11-29 03:27:56,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:27:56,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915332284] [2023-11-29 03:27:56,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:27:56,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:27:56,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:27:56,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:27:56,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:27:56,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915332284] [2023-11-29 03:27:56,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915332284] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:27:56,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:27:56,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:27:56,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711058399] [2023-11-29 03:27:56,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:27:56,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 03:27:56,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:27:56,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:27:56,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:27:56,516 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 164 [2023-11-29 03:27:56,517 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 96 transitions, 234 flow. Second operand has 4 states, 4 states have (on average 91.25) internal successors, (365), 4 states have internal predecessors, (365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:27:56,517 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:27:56,517 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 164 [2023-11-29 03:27:56,517 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:27:57,527 INFO L124 PetriNetUnfolderBase]: 10859/17337 cut-off events. [2023-11-29 03:27:57,527 INFO L125 PetriNetUnfolderBase]: For 328/332 co-relation queries the response was YES. [2023-11-29 03:27:57,549 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31995 conditions, 17337 events. 10859/17337 cut-off events. For 328/332 co-relation queries the response was YES. Maximal size of possible extension queue 1245. Compared 129713 event pairs, 8819 based on Foata normal form. 1252/12128 useless extension candidates. Maximal degree in co-relation 31916. Up to 14301 conditions per place. [2023-11-29 03:27:57,709 INFO L140 encePairwiseOnDemand]: 160/164 looper letters, 49 selfloop transitions, 2 changer transitions 0/95 dead transitions. [2023-11-29 03:27:57,709 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 95 transitions, 334 flow [2023-11-29 03:27:57,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:27:57,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:27:57,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 319 transitions. [2023-11-29 03:27:57,711 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6483739837398373 [2023-11-29 03:27:57,711 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 319 transitions. [2023-11-29 03:27:57,711 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 319 transitions. [2023-11-29 03:27:57,711 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:27:57,711 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 319 transitions. [2023-11-29 03:27:57,712 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 106.33333333333333) internal successors, (319), 3 states have internal predecessors, (319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:27:57,713 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 164.0) internal successors, (656), 4 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:27:57,713 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 164.0) internal successors, (656), 4 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:27:57,713 INFO L175 Difference]: Start difference. First operand has 101 places, 96 transitions, 234 flow. Second operand 3 states and 319 transitions. [2023-11-29 03:27:57,713 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 95 transitions, 334 flow [2023-11-29 03:27:57,714 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 95 transitions, 330 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 03:27:57,715 INFO L231 Difference]: Finished difference. Result has 99 places, 94 transitions, 230 flow [2023-11-29 03:27:57,715 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=226, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=230, PETRI_PLACES=99, PETRI_TRANSITIONS=94} [2023-11-29 03:27:57,716 INFO L281 CegarLoopForPetriNet]: 117 programPoint places, -18 predicate places. [2023-11-29 03:27:57,716 INFO L495 AbstractCegarLoop]: Abstraction has has 99 places, 94 transitions, 230 flow [2023-11-29 03:27:57,716 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 91.25) internal successors, (365), 4 states have internal predecessors, (365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:27:57,716 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:27:57,716 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:27:57,716 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 03:27:57,716 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread0Err6REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 70 more)] === [2023-11-29 03:27:57,717 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:27:57,717 INFO L85 PathProgramCache]: Analyzing trace with hash 439563373, now seen corresponding path program 1 times [2023-11-29 03:27:57,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:27:57,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380720793] [2023-11-29 03:27:57,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:27:57,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:27:57,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:27:57,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:27:57,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:27:57,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380720793] [2023-11-29 03:27:57,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [380720793] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:27:57,846 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:27:57,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:27:57,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951354766] [2023-11-29 03:27:57,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:27:57,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:27:57,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:27:57,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:27:57,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:27:57,916 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 164 [2023-11-29 03:27:57,916 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 94 transitions, 230 flow. Second operand has 3 states, 3 states have (on average 90.66666666666667) internal successors, (272), 3 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:27:57,916 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:27:57,916 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 164 [2023-11-29 03:27:57,916 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:27:58,976 INFO L124 PetriNetUnfolderBase]: 11597/17967 cut-off events. [2023-11-29 03:27:58,976 INFO L125 PetriNetUnfolderBase]: For 288/290 co-relation queries the response was YES. [2023-11-29 03:27:58,995 INFO L83 FinitePrefix]: Finished finitePrefix Result has 33623 conditions, 17967 events. 11597/17967 cut-off events. For 288/290 co-relation queries the response was YES. Maximal size of possible extension queue 1253. Compared 129511 event pairs, 9427 based on Foata normal form. 0/11556 useless extension candidates. Maximal degree in co-relation 33544. Up to 15299 conditions per place. [2023-11-29 03:27:59,059 INFO L140 encePairwiseOnDemand]: 160/164 looper letters, 51 selfloop transitions, 2 changer transitions 0/93 dead transitions. [2023-11-29 03:27:59,059 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 93 transitions, 334 flow [2023-11-29 03:27:59,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:27:59,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:27:59,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 315 transitions. [2023-11-29 03:27:59,061 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6402439024390244 [2023-11-29 03:27:59,061 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 315 transitions. [2023-11-29 03:27:59,061 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 315 transitions. [2023-11-29 03:27:59,061 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:27:59,061 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 315 transitions. [2023-11-29 03:27:59,062 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 105.0) internal successors, (315), 3 states have internal predecessors, (315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:27:59,063 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 164.0) internal successors, (656), 4 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:27:59,064 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 164.0) internal successors, (656), 4 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:27:59,064 INFO L175 Difference]: Start difference. First operand has 99 places, 94 transitions, 230 flow. Second operand 3 states and 315 transitions. [2023-11-29 03:27:59,064 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 93 transitions, 334 flow [2023-11-29 03:27:59,065 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 93 transitions, 330 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 03:27:59,066 INFO L231 Difference]: Finished difference. Result has 97 places, 92 transitions, 226 flow [2023-11-29 03:27:59,066 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=222, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=226, PETRI_PLACES=97, PETRI_TRANSITIONS=92} [2023-11-29 03:27:59,067 INFO L281 CegarLoopForPetriNet]: 117 programPoint places, -20 predicate places. [2023-11-29 03:27:59,067 INFO L495 AbstractCegarLoop]: Abstraction has has 97 places, 92 transitions, 226 flow [2023-11-29 03:27:59,068 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 90.66666666666667) internal successors, (272), 3 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:27:59,068 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:27:59,068 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:27:59,068 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 03:27:59,068 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread0Err7REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 70 more)] === [2023-11-29 03:27:59,068 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:27:59,068 INFO L85 PathProgramCache]: Analyzing trace with hash 439563374, now seen corresponding path program 1 times [2023-11-29 03:27:59,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:27:59,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248192697] [2023-11-29 03:27:59,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:27:59,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:27:59,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:27:59,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:27:59,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:27:59,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248192697] [2023-11-29 03:27:59,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1248192697] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:27:59,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:27:59,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:27:59,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660383546] [2023-11-29 03:27:59,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:27:59,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 03:27:59,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:27:59,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:27:59,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:27:59,353 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 164 [2023-11-29 03:27:59,354 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 92 transitions, 226 flow. Second operand has 4 states, 4 states have (on average 91.75) internal successors, (367), 4 states have internal predecessors, (367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:27:59,354 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:27:59,354 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 164 [2023-11-29 03:27:59,354 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:28:00,536 INFO L124 PetriNetUnfolderBase]: 10859/16921 cut-off events. [2023-11-29 03:28:00,537 INFO L125 PetriNetUnfolderBase]: For 329/333 co-relation queries the response was YES. [2023-11-29 03:28:00,553 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31579 conditions, 16921 events. 10859/16921 cut-off events. For 329/333 co-relation queries the response was YES. Maximal size of possible extension queue 1243. Compared 122721 event pairs, 8819 based on Foata normal form. 210/11086 useless extension candidates. Maximal degree in co-relation 31500. Up to 14301 conditions per place. [2023-11-29 03:28:00,601 INFO L140 encePairwiseOnDemand]: 160/164 looper letters, 49 selfloop transitions, 2 changer transitions 0/91 dead transitions. [2023-11-29 03:28:00,601 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 91 transitions, 326 flow [2023-11-29 03:28:00,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:28:00,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:28:00,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 319 transitions. [2023-11-29 03:28:00,602 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6483739837398373 [2023-11-29 03:28:00,603 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 319 transitions. [2023-11-29 03:28:00,603 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 319 transitions. [2023-11-29 03:28:00,603 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:28:00,603 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 319 transitions. [2023-11-29 03:28:00,604 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 106.33333333333333) internal successors, (319), 3 states have internal predecessors, (319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:00,604 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 164.0) internal successors, (656), 4 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:00,605 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 164.0) internal successors, (656), 4 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:00,605 INFO L175 Difference]: Start difference. First operand has 97 places, 92 transitions, 226 flow. Second operand 3 states and 319 transitions. [2023-11-29 03:28:00,605 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 91 transitions, 326 flow [2023-11-29 03:28:00,606 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 91 transitions, 322 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 03:28:00,607 INFO L231 Difference]: Finished difference. Result has 95 places, 90 transitions, 222 flow [2023-11-29 03:28:00,607 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=218, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=222, PETRI_PLACES=95, PETRI_TRANSITIONS=90} [2023-11-29 03:28:00,607 INFO L281 CegarLoopForPetriNet]: 117 programPoint places, -22 predicate places. [2023-11-29 03:28:00,607 INFO L495 AbstractCegarLoop]: Abstraction has has 95 places, 90 transitions, 222 flow [2023-11-29 03:28:00,608 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 91.75) internal successors, (367), 4 states have internal predecessors, (367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:00,608 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:28:00,608 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:28:00,608 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 03:28:00,608 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 70 more)] === [2023-11-29 03:28:00,608 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:28:00,608 INFO L85 PathProgramCache]: Analyzing trace with hash 439564716, now seen corresponding path program 1 times [2023-11-29 03:28:00,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:28:00,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436723394] [2023-11-29 03:28:00,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:28:00,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:28:00,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:28:00,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:28:00,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:28:00,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436723394] [2023-11-29 03:28:00,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436723394] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:28:00,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:28:00,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:28:00,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730231421] [2023-11-29 03:28:00,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:28:00,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:28:00,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:28:00,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:28:00,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:28:00,729 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 164 [2023-11-29 03:28:00,730 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 90 transitions, 222 flow. Second operand has 3 states, 3 states have (on average 92.33333333333333) internal successors, (277), 3 states have internal predecessors, (277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:00,730 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:28:00,730 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 164 [2023-11-29 03:28:00,730 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:28:01,158 INFO L124 PetriNetUnfolderBase]: 4538/7317 cut-off events. [2023-11-29 03:28:01,158 INFO L125 PetriNetUnfolderBase]: For 186/190 co-relation queries the response was YES. [2023-11-29 03:28:01,166 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13614 conditions, 7317 events. 4538/7317 cut-off events. For 186/190 co-relation queries the response was YES. Maximal size of possible extension queue 445. Compared 47616 event pairs, 3592 based on Foata normal form. 2/5397 useless extension candidates. Maximal degree in co-relation 13531. Up to 6077 conditions per place. [2023-11-29 03:28:01,188 INFO L140 encePairwiseOnDemand]: 155/164 looper letters, 44 selfloop transitions, 5 changer transitions 0/87 dead transitions. [2023-11-29 03:28:01,188 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 87 transitions, 314 flow [2023-11-29 03:28:01,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:28:01,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:28:01,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 320 transitions. [2023-11-29 03:28:01,190 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6504065040650406 [2023-11-29 03:28:01,190 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 320 transitions. [2023-11-29 03:28:01,190 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 320 transitions. [2023-11-29 03:28:01,190 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:28:01,190 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 320 transitions. [2023-11-29 03:28:01,191 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 106.66666666666667) internal successors, (320), 3 states have internal predecessors, (320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:01,192 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 164.0) internal successors, (656), 4 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:01,193 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 164.0) internal successors, (656), 4 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:01,193 INFO L175 Difference]: Start difference. First operand has 95 places, 90 transitions, 222 flow. Second operand 3 states and 320 transitions. [2023-11-29 03:28:01,193 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 87 transitions, 314 flow [2023-11-29 03:28:01,194 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 87 transitions, 310 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 03:28:01,195 INFO L231 Difference]: Finished difference. Result has 90 places, 85 transitions, 218 flow [2023-11-29 03:28:01,196 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=208, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=218, PETRI_PLACES=90, PETRI_TRANSITIONS=85} [2023-11-29 03:28:01,196 INFO L281 CegarLoopForPetriNet]: 117 programPoint places, -27 predicate places. [2023-11-29 03:28:01,196 INFO L495 AbstractCegarLoop]: Abstraction has has 90 places, 85 transitions, 218 flow [2023-11-29 03:28:01,197 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 92.33333333333333) internal successors, (277), 3 states have internal predecessors, (277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:01,197 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:28:01,197 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:28:01,197 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 03:28:01,197 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 70 more)] === [2023-11-29 03:28:01,197 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:28:01,197 INFO L85 PathProgramCache]: Analyzing trace with hash 439564717, now seen corresponding path program 1 times [2023-11-29 03:28:01,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:28:01,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059914262] [2023-11-29 03:28:01,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:28:01,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:28:01,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:28:01,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:28:01,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:28:01,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059914262] [2023-11-29 03:28:01,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059914262] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:28:01,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:28:01,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:28:01,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609555029] [2023-11-29 03:28:01,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:28:01,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:28:01,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:28:01,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:28:01,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:28:01,348 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 164 [2023-11-29 03:28:01,349 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 85 transitions, 218 flow. Second operand has 3 states, 3 states have (on average 92.33333333333333) internal successors, (277), 3 states have internal predecessors, (277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:01,349 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:28:01,349 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 164 [2023-11-29 03:28:01,349 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:28:01,570 INFO L124 PetriNetUnfolderBase]: 1487/2547 cut-off events. [2023-11-29 03:28:01,570 INFO L125 PetriNetUnfolderBase]: For 103/107 co-relation queries the response was YES. [2023-11-29 03:28:01,573 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4735 conditions, 2547 events. 1487/2547 cut-off events. For 103/107 co-relation queries the response was YES. Maximal size of possible extension queue 133. Compared 13683 event pairs, 1115 based on Foata normal form. 4/2290 useless extension candidates. Maximal degree in co-relation 4658. Up to 2064 conditions per place. [2023-11-29 03:28:01,580 INFO L140 encePairwiseOnDemand]: 157/164 looper letters, 43 selfloop transitions, 1 changer transitions 0/81 dead transitions. [2023-11-29 03:28:01,580 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 81 transitions, 298 flow [2023-11-29 03:28:01,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:28:01,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:28:01,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 316 transitions. [2023-11-29 03:28:01,582 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6422764227642277 [2023-11-29 03:28:01,582 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 316 transitions. [2023-11-29 03:28:01,582 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 316 transitions. [2023-11-29 03:28:01,582 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:28:01,582 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 316 transitions. [2023-11-29 03:28:01,583 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 105.33333333333333) internal successors, (316), 3 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:01,584 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 164.0) internal successors, (656), 4 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:01,585 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 164.0) internal successors, (656), 4 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:01,585 INFO L175 Difference]: Start difference. First operand has 90 places, 85 transitions, 218 flow. Second operand 3 states and 316 transitions. [2023-11-29 03:28:01,585 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 81 transitions, 298 flow [2023-11-29 03:28:01,586 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 81 transitions, 288 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 03:28:01,588 INFO L231 Difference]: Finished difference. Result has 84 places, 79 transitions, 198 flow [2023-11-29 03:28:01,588 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=196, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=198, PETRI_PLACES=84, PETRI_TRANSITIONS=79} [2023-11-29 03:28:01,589 INFO L281 CegarLoopForPetriNet]: 117 programPoint places, -33 predicate places. [2023-11-29 03:28:01,589 INFO L495 AbstractCegarLoop]: Abstraction has has 84 places, 79 transitions, 198 flow [2023-11-29 03:28:01,590 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 92.33333333333333) internal successors, (277), 3 states have internal predecessors, (277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:01,590 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:28:01,590 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:28:01,590 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-29 03:28:01,590 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread0Err8REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 70 more)] === [2023-11-29 03:28:01,591 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:28:01,591 INFO L85 PathProgramCache]: Analyzing trace with hash 672306057, now seen corresponding path program 1 times [2023-11-29 03:28:01,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:28:01,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191723410] [2023-11-29 03:28:01,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:28:01,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:28:01,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:28:01,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:28:01,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:28:01,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191723410] [2023-11-29 03:28:01,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191723410] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:28:01,739 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:28:01,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:28:01,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329037441] [2023-11-29 03:28:01,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:28:01,740 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:28:01,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:28:01,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:28:01,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:28:01,810 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 164 [2023-11-29 03:28:01,811 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 79 transitions, 198 flow. Second operand has 3 states, 3 states have (on average 91.33333333333333) internal successors, (274), 3 states have internal predecessors, (274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:01,811 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:28:01,811 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 164 [2023-11-29 03:28:01,812 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:28:02,047 INFO L124 PetriNetUnfolderBase]: 1553/2615 cut-off events. [2023-11-29 03:28:02,047 INFO L125 PetriNetUnfolderBase]: For 88/90 co-relation queries the response was YES. [2023-11-29 03:28:02,050 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4898 conditions, 2615 events. 1553/2615 cut-off events. For 88/90 co-relation queries the response was YES. Maximal size of possible extension queue 133. Compared 13866 event pairs, 1163 based on Foata normal form. 0/2394 useless extension candidates. Maximal degree in co-relation 4828. Up to 2159 conditions per place. [2023-11-29 03:28:02,057 INFO L140 encePairwiseOnDemand]: 160/164 looper letters, 43 selfloop transitions, 2 changer transitions 0/78 dead transitions. [2023-11-29 03:28:02,057 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 78 transitions, 286 flow [2023-11-29 03:28:02,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:28:02,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:28:02,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 307 transitions. [2023-11-29 03:28:02,059 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6239837398373984 [2023-11-29 03:28:02,059 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 307 transitions. [2023-11-29 03:28:02,059 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 307 transitions. [2023-11-29 03:28:02,059 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:28:02,060 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 307 transitions. [2023-11-29 03:28:02,060 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 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) [2023-11-29 03:28:02,061 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 164.0) internal successors, (656), 4 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:02,062 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 164.0) internal successors, (656), 4 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:02,062 INFO L175 Difference]: Start difference. First operand has 84 places, 79 transitions, 198 flow. Second operand 3 states and 307 transitions. [2023-11-29 03:28:02,062 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 78 transitions, 286 flow [2023-11-29 03:28:02,063 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 78 transitions, 285 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 03:28:02,064 INFO L231 Difference]: Finished difference. Result has 83 places, 77 transitions, 197 flow [2023-11-29 03:28:02,064 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=193, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=197, PETRI_PLACES=83, PETRI_TRANSITIONS=77} [2023-11-29 03:28:02,065 INFO L281 CegarLoopForPetriNet]: 117 programPoint places, -34 predicate places. [2023-11-29 03:28:02,065 INFO L495 AbstractCegarLoop]: Abstraction has has 83 places, 77 transitions, 197 flow [2023-11-29 03:28:02,065 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.33333333333333) internal successors, (274), 3 states have internal predecessors, (274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:02,065 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:28:02,066 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:28:02,066 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-29 03:28:02,066 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread0Err9REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 70 more)] === [2023-11-29 03:28:02,066 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:28:02,066 INFO L85 PathProgramCache]: Analyzing trace with hash -322434544, now seen corresponding path program 1 times [2023-11-29 03:28:02,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:28:02,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909759974] [2023-11-29 03:28:02,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:28:02,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:28:02,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:28:02,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:28:02,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:28:02,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909759974] [2023-11-29 03:28:02,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909759974] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:28:02,236 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:28:02,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:28:02,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268917541] [2023-11-29 03:28:02,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:28:02,237 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 03:28:02,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:28:02,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:28:02,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:28:02,348 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 164 [2023-11-29 03:28:02,348 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 77 transitions, 197 flow. Second operand has 4 states, 4 states have (on average 92.25) internal successors, (369), 4 states have internal predecessors, (369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:02,348 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:28:02,349 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 164 [2023-11-29 03:28:02,349 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:28:02,599 INFO L124 PetriNetUnfolderBase]: 1487/2499 cut-off events. [2023-11-29 03:28:02,599 INFO L125 PetriNetUnfolderBase]: For 97/101 co-relation queries the response was YES. [2023-11-29 03:28:02,602 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4685 conditions, 2499 events. 1487/2499 cut-off events. For 97/101 co-relation queries the response was YES. Maximal size of possible extension queue 133. Compared 13212 event pairs, 1115 based on Foata normal form. 30/2316 useless extension candidates. Maximal degree in co-relation 4612. Up to 2057 conditions per place. [2023-11-29 03:28:02,610 INFO L140 encePairwiseOnDemand]: 160/164 looper letters, 41 selfloop transitions, 2 changer transitions 0/76 dead transitions. [2023-11-29 03:28:02,610 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 76 transitions, 281 flow [2023-11-29 03:28:02,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:28:02,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:28:02,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 311 transitions. [2023-11-29 03:28:02,612 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6321138211382114 [2023-11-29 03:28:02,612 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 311 transitions. [2023-11-29 03:28:02,612 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 311 transitions. [2023-11-29 03:28:02,613 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:28:02,613 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 311 transitions. [2023-11-29 03:28:02,614 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 103.66666666666667) internal successors, (311), 3 states have internal predecessors, (311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:02,615 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 164.0) internal successors, (656), 4 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:02,615 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 164.0) internal successors, (656), 4 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:02,616 INFO L175 Difference]: Start difference. First operand has 83 places, 77 transitions, 197 flow. Second operand 3 states and 311 transitions. [2023-11-29 03:28:02,616 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 76 transitions, 281 flow [2023-11-29 03:28:02,617 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 76 transitions, 277 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 03:28:02,618 INFO L231 Difference]: Finished difference. Result has 81 places, 75 transitions, 193 flow [2023-11-29 03:28:02,618 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=189, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=193, PETRI_PLACES=81, PETRI_TRANSITIONS=75} [2023-11-29 03:28:02,619 INFO L281 CegarLoopForPetriNet]: 117 programPoint places, -36 predicate places. [2023-11-29 03:28:02,619 INFO L495 AbstractCegarLoop]: Abstraction has has 81 places, 75 transitions, 193 flow [2023-11-29 03:28:02,619 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 92.25) internal successors, (369), 4 states have internal predecessors, (369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:02,619 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:28:02,619 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:28:02,619 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-29 03:28:02,620 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting thread0Err11REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 70 more)] === [2023-11-29 03:28:02,620 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:28:02,620 INFO L85 PathProgramCache]: Analyzing trace with hash -2100248240, now seen corresponding path program 1 times [2023-11-29 03:28:02,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:28:02,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740151549] [2023-11-29 03:28:02,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:28:02,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:28:02,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:28:02,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:28:02,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:28:02,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740151549] [2023-11-29 03:28:02,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740151549] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:28:02,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:28:02,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:28:02,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842097311] [2023-11-29 03:28:02,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:28:02,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 03:28:02,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:28:02,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:28:02,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:28:02,877 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 164 [2023-11-29 03:28:02,878 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 75 transitions, 193 flow. Second operand has 4 states, 4 states have (on average 92.75) internal successors, (371), 4 states have internal predecessors, (371), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:02,878 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:28:02,878 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 164 [2023-11-29 03:28:02,878 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:28:03,126 INFO L124 PetriNetUnfolderBase]: 1487/2459 cut-off events. [2023-11-29 03:28:03,126 INFO L125 PetriNetUnfolderBase]: For 97/101 co-relation queries the response was YES. [2023-11-29 03:28:03,129 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4645 conditions, 2459 events. 1487/2459 cut-off events. For 97/101 co-relation queries the response was YES. Maximal size of possible extension queue 131. Compared 12741 event pairs, 1115 based on Foata normal form. 58/2344 useless extension candidates. Maximal degree in co-relation 4572. Up to 2057 conditions per place. [2023-11-29 03:28:03,135 INFO L140 encePairwiseOnDemand]: 160/164 looper letters, 41 selfloop transitions, 2 changer transitions 0/74 dead transitions. [2023-11-29 03:28:03,135 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 74 transitions, 277 flow [2023-11-29 03:28:03,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:28:03,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:28:03,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 311 transitions. [2023-11-29 03:28:03,137 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6321138211382114 [2023-11-29 03:28:03,138 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 311 transitions. [2023-11-29 03:28:03,138 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 311 transitions. [2023-11-29 03:28:03,138 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:28:03,138 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 311 transitions. [2023-11-29 03:28:03,139 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 103.66666666666667) internal successors, (311), 3 states have internal predecessors, (311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:03,140 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 164.0) internal successors, (656), 4 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:03,140 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 164.0) internal successors, (656), 4 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:03,140 INFO L175 Difference]: Start difference. First operand has 81 places, 75 transitions, 193 flow. Second operand 3 states and 311 transitions. [2023-11-29 03:28:03,140 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 74 transitions, 277 flow [2023-11-29 03:28:03,141 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 74 transitions, 273 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 03:28:03,143 INFO L231 Difference]: Finished difference. Result has 79 places, 73 transitions, 189 flow [2023-11-29 03:28:03,143 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=185, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=189, PETRI_PLACES=79, PETRI_TRANSITIONS=73} [2023-11-29 03:28:03,143 INFO L281 CegarLoopForPetriNet]: 117 programPoint places, -38 predicate places. [2023-11-29 03:28:03,143 INFO L495 AbstractCegarLoop]: Abstraction has has 79 places, 73 transitions, 189 flow [2023-11-29 03:28:03,144 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 92.75) internal successors, (371), 4 states have internal predecessors, (371), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:03,144 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:28:03,144 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:28:03,144 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-29 03:28:03,144 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting thread0Err10REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 70 more)] === [2023-11-29 03:28:03,145 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:28:03,145 INFO L85 PathProgramCache]: Analyzing trace with hash -2100248241, now seen corresponding path program 1 times [2023-11-29 03:28:03,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:28:03,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88647962] [2023-11-29 03:28:03,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:28:03,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:28:03,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:28:03,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:28:03,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:28:03,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88647962] [2023-11-29 03:28:03,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88647962] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:28:03,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:28:03,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:28:03,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636796043] [2023-11-29 03:28:03,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:28:03,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:28:03,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:28:03,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:28:03,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:28:03,348 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 164 [2023-11-29 03:28:03,349 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 73 transitions, 189 flow. Second operand has 3 states, 3 states have (on average 92.0) internal successors, (276), 3 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:03,349 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:28:03,349 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 164 [2023-11-29 03:28:03,349 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:28:03,600 INFO L124 PetriNetUnfolderBase]: 1629/2581 cut-off events. [2023-11-29 03:28:03,600 INFO L125 PetriNetUnfolderBase]: For 95/97 co-relation queries the response was YES. [2023-11-29 03:28:03,603 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4969 conditions, 2581 events. 1629/2581 cut-off events. For 95/97 co-relation queries the response was YES. Maximal size of possible extension queue 133. Compared 12810 event pairs, 1227 based on Foata normal form. 0/2446 useless extension candidates. Maximal degree in co-relation 4896. Up to 2259 conditions per place. [2023-11-29 03:28:03,611 INFO L140 encePairwiseOnDemand]: 160/164 looper letters, 43 selfloop transitions, 2 changer transitions 0/72 dead transitions. [2023-11-29 03:28:03,611 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 72 transitions, 277 flow [2023-11-29 03:28:03,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:28:03,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:28:03,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 307 transitions. [2023-11-29 03:28:03,613 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6239837398373984 [2023-11-29 03:28:03,613 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 307 transitions. [2023-11-29 03:28:03,613 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 307 transitions. [2023-11-29 03:28:03,613 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:28:03,613 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 307 transitions. [2023-11-29 03:28:03,614 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 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) [2023-11-29 03:28:03,615 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 164.0) internal successors, (656), 4 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:03,615 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 164.0) internal successors, (656), 4 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:03,616 INFO L175 Difference]: Start difference. First operand has 79 places, 73 transitions, 189 flow. Second operand 3 states and 307 transitions. [2023-11-29 03:28:03,616 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 72 transitions, 277 flow [2023-11-29 03:28:03,617 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 72 transitions, 273 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 03:28:03,618 INFO L231 Difference]: Finished difference. Result has 77 places, 71 transitions, 185 flow [2023-11-29 03:28:03,619 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=181, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=185, PETRI_PLACES=77, PETRI_TRANSITIONS=71} [2023-11-29 03:28:03,619 INFO L281 CegarLoopForPetriNet]: 117 programPoint places, -40 predicate places. [2023-11-29 03:28:03,619 INFO L495 AbstractCegarLoop]: Abstraction has has 77 places, 71 transitions, 185 flow [2023-11-29 03:28:03,619 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 92.0) internal successors, (276), 3 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:03,619 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:28:03,620 INFO L208 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] [2023-11-29 03:28:03,620 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-29 03:28:03,620 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 70 more)] === [2023-11-29 03:28:03,620 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:28:03,620 INFO L85 PathProgramCache]: Analyzing trace with hash 1840134273, now seen corresponding path program 1 times [2023-11-29 03:28:03,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:28:03,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707405622] [2023-11-29 03:28:03,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:28:03,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:28:03,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:28:04,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:28:04,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:28:04,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707405622] [2023-11-29 03:28:04,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [707405622] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:28:04,264 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:28:04,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 03:28:04,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129631770] [2023-11-29 03:28:04,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:28:04,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 03:28:04,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:28:04,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 03:28:04,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-29 03:28:04,631 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 164 [2023-11-29 03:28:04,632 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 71 transitions, 185 flow. Second operand has 8 states, 8 states have (on average 89.0) internal successors, (712), 8 states have internal predecessors, (712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:04,632 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:28:04,632 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 164 [2023-11-29 03:28:04,632 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:28:04,928 INFO L124 PetriNetUnfolderBase]: 2372/3752 cut-off events. [2023-11-29 03:28:04,928 INFO L125 PetriNetUnfolderBase]: For 427/433 co-relation queries the response was YES. [2023-11-29 03:28:04,932 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7445 conditions, 3752 events. 2372/3752 cut-off events. For 427/433 co-relation queries the response was YES. Maximal size of possible extension queue 186. Compared 20045 event pairs, 1669 based on Foata normal form. 4/3557 useless extension candidates. Maximal degree in co-relation 4533. Up to 3214 conditions per place. [2023-11-29 03:28:04,940 INFO L140 encePairwiseOnDemand]: 158/164 looper letters, 45 selfloop transitions, 6 changer transitions 0/75 dead transitions. [2023-11-29 03:28:04,940 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 75 transitions, 297 flow [2023-11-29 03:28:04,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 03:28:04,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-29 03:28:04,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 475 transitions. [2023-11-29 03:28:04,942 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5792682926829268 [2023-11-29 03:28:04,942 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 475 transitions. [2023-11-29 03:28:04,942 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 475 transitions. [2023-11-29 03:28:04,943 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:28:04,943 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 475 transitions. [2023-11-29 03:28:04,944 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 95.0) internal successors, (475), 5 states have internal predecessors, (475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:04,945 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 164.0) internal successors, (984), 6 states have internal predecessors, (984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:04,945 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 164.0) internal successors, (984), 6 states have internal predecessors, (984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:04,945 INFO L175 Difference]: Start difference. First operand has 77 places, 71 transitions, 185 flow. Second operand 5 states and 475 transitions. [2023-11-29 03:28:04,945 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 75 transitions, 297 flow [2023-11-29 03:28:04,946 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 75 transitions, 287 flow, removed 1 selfloop flow, removed 3 redundant places. [2023-11-29 03:28:04,947 INFO L231 Difference]: Finished difference. Result has 77 places, 70 transitions, 183 flow [2023-11-29 03:28:04,947 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=171, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=183, PETRI_PLACES=77, PETRI_TRANSITIONS=70} [2023-11-29 03:28:04,948 INFO L281 CegarLoopForPetriNet]: 117 programPoint places, -40 predicate places. [2023-11-29 03:28:04,948 INFO L495 AbstractCegarLoop]: Abstraction has has 77 places, 70 transitions, 183 flow [2023-11-29 03:28:04,948 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 89.0) internal successors, (712), 8 states have internal predecessors, (712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:04,948 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:28:04,948 INFO L208 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] [2023-11-29 03:28:04,948 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-29 03:28:04,948 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 70 more)] === [2023-11-29 03:28:04,949 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:28:04,949 INFO L85 PathProgramCache]: Analyzing trace with hash 973902833, now seen corresponding path program 1 times [2023-11-29 03:28:04,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:28:04,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218625757] [2023-11-29 03:28:04,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:28:04,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:28:04,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:28:05,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:28:05,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:28:05,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218625757] [2023-11-29 03:28:05,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218625757] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:28:05,299 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:28:05,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 03:28:05,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862631815] [2023-11-29 03:28:05,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:28:05,300 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 03:28:05,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:28:05,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 03:28:05,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-29 03:28:05,589 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 164 [2023-11-29 03:28:05,590 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 70 transitions, 183 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) [2023-11-29 03:28:05,590 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:28:05,590 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 164 [2023-11-29 03:28:05,590 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:28:05,846 INFO L124 PetriNetUnfolderBase]: 1487/2416 cut-off events. [2023-11-29 03:28:05,846 INFO L125 PetriNetUnfolderBase]: For 101/105 co-relation queries the response was YES. [2023-11-29 03:28:05,849 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4602 conditions, 2416 events. 1487/2416 cut-off events. For 101/105 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 12252 event pairs, 1112 based on Foata normal form. 2/2285 useless extension candidates. Maximal degree in co-relation 4536. Up to 2048 conditions per place. [2023-11-29 03:28:05,854 INFO L140 encePairwiseOnDemand]: 159/164 looper letters, 41 selfloop transitions, 5 changer transitions 0/73 dead transitions. [2023-11-29 03:28:05,854 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 73 transitions, 281 flow [2023-11-29 03:28:05,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 03:28:05,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-29 03:28:05,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 481 transitions. [2023-11-29 03:28:05,856 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5865853658536585 [2023-11-29 03:28:05,856 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 481 transitions. [2023-11-29 03:28:05,856 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 481 transitions. [2023-11-29 03:28:05,856 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:28:05,856 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 481 transitions. [2023-11-29 03:28:05,857 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 96.2) internal successors, (481), 5 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:05,858 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 164.0) internal successors, (984), 6 states have internal predecessors, (984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:05,859 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 164.0) internal successors, (984), 6 states have internal predecessors, (984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:05,859 INFO L175 Difference]: Start difference. First operand has 77 places, 70 transitions, 183 flow. Second operand 5 states and 481 transitions. [2023-11-29 03:28:05,859 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 73 transitions, 281 flow [2023-11-29 03:28:05,859 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 73 transitions, 269 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 03:28:05,860 INFO L231 Difference]: Finished difference. Result has 76 places, 69 transitions, 179 flow [2023-11-29 03:28:05,860 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=169, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=179, PETRI_PLACES=76, PETRI_TRANSITIONS=69} [2023-11-29 03:28:05,861 INFO L281 CegarLoopForPetriNet]: 117 programPoint places, -41 predicate places. [2023-11-29 03:28:05,861 INFO L495 AbstractCegarLoop]: Abstraction has has 76 places, 69 transitions, 179 flow [2023-11-29 03:28:05,861 INFO L496 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) [2023-11-29 03:28:05,861 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:28:05,861 INFO L208 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] [2023-11-29 03:28:05,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-29 03:28:05,862 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK === [thread0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 70 more)] === [2023-11-29 03:28:05,862 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:28:05,862 INFO L85 PathProgramCache]: Analyzing trace with hash 990812728, now seen corresponding path program 1 times [2023-11-29 03:28:05,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:28:05,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598381101] [2023-11-29 03:28:05,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:28:05,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:28:05,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:28:05,911 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 03:28:05,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:28:05,996 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 03:28:05,996 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 03:28:05,997 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK (72 of 73 remaining) [2023-11-29 03:28:05,998 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (71 of 73 remaining) [2023-11-29 03:28:05,999 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (70 of 73 remaining) [2023-11-29 03:28:05,999 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (69 of 73 remaining) [2023-11-29 03:28:05,999 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (68 of 73 remaining) [2023-11-29 03:28:05,999 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (67 of 73 remaining) [2023-11-29 03:28:05,999 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (66 of 73 remaining) [2023-11-29 03:28:05,999 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (65 of 73 remaining) [2023-11-29 03:28:05,999 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (64 of 73 remaining) [2023-11-29 03:28:06,000 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (63 of 73 remaining) [2023-11-29 03:28:06,000 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (62 of 73 remaining) [2023-11-29 03:28:06,000 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (61 of 73 remaining) [2023-11-29 03:28:06,000 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (60 of 73 remaining) [2023-11-29 03:28:06,000 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err12REQUIRES_VIOLATIONMEMORY_DEREFERENCE (59 of 73 remaining) [2023-11-29 03:28:06,000 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (58 of 73 remaining) [2023-11-29 03:28:06,000 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err14REQUIRES_VIOLATIONMEMORY_DEREFERENCE (57 of 73 remaining) [2023-11-29 03:28:06,000 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err15REQUIRES_VIOLATIONMEMORY_DEREFERENCE (56 of 73 remaining) [2023-11-29 03:28:06,001 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err16REQUIRES_VIOLATIONMEMORY_DEREFERENCE (55 of 73 remaining) [2023-11-29 03:28:06,001 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err17REQUIRES_VIOLATIONMEMORY_DEREFERENCE (54 of 73 remaining) [2023-11-29 03:28:06,001 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err18REQUIRES_VIOLATIONMEMORY_DEREFERENCE (53 of 73 remaining) [2023-11-29 03:28:06,001 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (52 of 73 remaining) [2023-11-29 03:28:06,001 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (51 of 73 remaining) [2023-11-29 03:28:06,001 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (50 of 73 remaining) [2023-11-29 03:28:06,001 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (49 of 73 remaining) [2023-11-29 03:28:06,001 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (48 of 73 remaining) [2023-11-29 03:28:06,001 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err7INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (47 of 73 remaining) [2023-11-29 03:28:06,002 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (46 of 73 remaining) [2023-11-29 03:28:06,002 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (45 of 73 remaining) [2023-11-29 03:28:06,002 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (44 of 73 remaining) [2023-11-29 03:28:06,002 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (43 of 73 remaining) [2023-11-29 03:28:06,002 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (42 of 73 remaining) [2023-11-29 03:28:06,002 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (41 of 73 remaining) [2023-11-29 03:28:06,002 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (40 of 73 remaining) [2023-11-29 03:28:06,002 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (39 of 73 remaining) [2023-11-29 03:28:06,003 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (38 of 73 remaining) [2023-11-29 03:28:06,003 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (37 of 73 remaining) [2023-11-29 03:28:06,003 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (36 of 73 remaining) [2023-11-29 03:28:06,003 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (35 of 73 remaining) [2023-11-29 03:28:06,003 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK (34 of 73 remaining) [2023-11-29 03:28:06,003 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (33 of 73 remaining) [2023-11-29 03:28:06,003 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (32 of 73 remaining) [2023-11-29 03:28:06,003 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (31 of 73 remaining) [2023-11-29 03:28:06,003 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (30 of 73 remaining) [2023-11-29 03:28:06,004 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (29 of 73 remaining) [2023-11-29 03:28:06,004 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (28 of 73 remaining) [2023-11-29 03:28:06,004 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (27 of 73 remaining) [2023-11-29 03:28:06,004 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (26 of 73 remaining) [2023-11-29 03:28:06,004 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (25 of 73 remaining) [2023-11-29 03:28:06,004 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (24 of 73 remaining) [2023-11-29 03:28:06,004 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (23 of 73 remaining) [2023-11-29 03:28:06,004 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (22 of 73 remaining) [2023-11-29 03:28:06,004 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (21 of 73 remaining) [2023-11-29 03:28:06,004 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err12REQUIRES_VIOLATIONMEMORY_DEREFERENCE (20 of 73 remaining) [2023-11-29 03:28:06,005 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (19 of 73 remaining) [2023-11-29 03:28:06,005 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err14REQUIRES_VIOLATIONMEMORY_DEREFERENCE (18 of 73 remaining) [2023-11-29 03:28:06,005 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err15REQUIRES_VIOLATIONMEMORY_DEREFERENCE (17 of 73 remaining) [2023-11-29 03:28:06,005 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err16REQUIRES_VIOLATIONMEMORY_DEREFERENCE (16 of 73 remaining) [2023-11-29 03:28:06,005 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err17REQUIRES_VIOLATIONMEMORY_DEREFERENCE (15 of 73 remaining) [2023-11-29 03:28:06,005 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err18REQUIRES_VIOLATIONMEMORY_DEREFERENCE (14 of 73 remaining) [2023-11-29 03:28:06,005 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (13 of 73 remaining) [2023-11-29 03:28:06,005 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Thread1of1ForFork4Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 73 remaining) [2023-11-29 03:28:06,005 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Thread1of1ForFork4Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 73 remaining) [2023-11-29 03:28:06,006 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Thread1of1ForFork4Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 73 remaining) [2023-11-29 03:28:06,006 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Thread1of1ForFork4Err8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 73 remaining) [2023-11-29 03:28:06,006 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Thread1of1ForFork4Err10INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 73 remaining) [2023-11-29 03:28:06,006 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (7 of 73 remaining) [2023-11-29 03:28:06,006 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (6 of 73 remaining) [2023-11-29 03:28:06,006 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 73 remaining) [2023-11-29 03:28:06,006 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 73 remaining) [2023-11-29 03:28:06,006 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 73 remaining) [2023-11-29 03:28:06,006 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 73 remaining) [2023-11-29 03:28:06,006 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (1 of 73 remaining) [2023-11-29 03:28:06,007 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (0 of 73 remaining) [2023-11-29 03:28:06,007 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-29 03:28:06,007 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:28:06,013 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-29 03:28:06,014 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 03:28:06,082 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre20 could not be translated [2023-11-29 03:28:06,083 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre5 could not be translated [2023-11-29 03:28:06,083 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated [2023-11-29 03:28:06,083 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated [2023-11-29 03:28:06,084 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre8 could not be translated [2023-11-29 03:28:06,084 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre8 could not be translated [2023-11-29 03:28:06,085 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre10 could not be translated [2023-11-29 03:28:06,086 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre10 could not be translated [2023-11-29 03:28:06,086 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre12 could not be translated [2023-11-29 03:28:06,087 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre12 could not be translated [2023-11-29 03:28:06,088 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre14 could not be translated [2023-11-29 03:28:06,088 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre14 could not be translated [2023-11-29 03:28:06,089 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem16 could not be translated [2023-11-29 03:28:06,089 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem16 could not be translated [2023-11-29 03:28:06,090 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem17 could not be translated [2023-11-29 03:28:06,091 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem17 could not be translated [2023-11-29 03:28:06,092 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem18 could not be translated [2023-11-29 03:28:06,092 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem18 could not be translated [2023-11-29 03:28:06,093 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem19 could not be translated [2023-11-29 03:28:06,094 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem19 could not be translated [2023-11-29 03:28:06,094 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem22 could not be translated [2023-11-29 03:28:06,095 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem23 could not be translated [2023-11-29 03:28:06,095 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short25 could not be translated [2023-11-29 03:28:06,107 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 03:28:06 BasicIcfg [2023-11-29 03:28:06,107 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 03:28:06,108 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 03:28:06,108 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 03:28:06,108 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 03:28:06,108 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:27:39" (3/4) ... [2023-11-29 03:28:06,110 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 03:28:06,110 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 03:28:06,111 INFO L158 Benchmark]: Toolchain (without parser) took 27641.89ms. Allocated memory was 174.1MB in the beginning and 8.3GB in the end (delta: 8.2GB). Free memory was 126.3MB in the beginning and 5.2GB in the end (delta: -5.1GB). Peak memory consumption was 3.1GB. Max. memory is 16.1GB. [2023-11-29 03:28:06,111 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 115.3MB. Free memory is still 64.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 03:28:06,111 INFO L158 Benchmark]: CACSL2BoogieTranslator took 725.08ms. Allocated memory is still 174.1MB. Free memory was 126.3MB in the beginning and 92.8MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-29 03:28:06,112 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.03ms. Allocated memory is still 174.1MB. Free memory was 92.8MB in the beginning and 142.9MB in the end (delta: -50.2MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2023-11-29 03:28:06,112 INFO L158 Benchmark]: Boogie Preprocessor took 75.09ms. Allocated memory is still 174.1MB. Free memory was 142.9MB in the beginning and 139.7MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 03:28:06,112 INFO L158 Benchmark]: RCFGBuilder took 574.02ms. Allocated memory is still 174.1MB. Free memory was 139.7MB in the beginning and 105.4MB in the end (delta: 34.3MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-11-29 03:28:06,112 INFO L158 Benchmark]: TraceAbstraction took 26193.01ms. Allocated memory was 174.1MB in the beginning and 8.3GB in the end (delta: 8.2GB). Free memory was 104.7MB in the beginning and 5.2GB in the end (delta: -5.1GB). Peak memory consumption was 3.0GB. Max. memory is 16.1GB. [2023-11-29 03:28:06,113 INFO L158 Benchmark]: Witness Printer took 2.63ms. Allocated memory is still 8.3GB. Free memory is still 5.2GB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 03:28:06,114 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 115.3MB. Free memory is still 64.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 725.08ms. Allocated memory is still 174.1MB. Free memory was 126.3MB in the beginning and 92.8MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.03ms. Allocated memory is still 174.1MB. Free memory was 92.8MB in the beginning and 142.9MB in the end (delta: -50.2MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.09ms. Allocated memory is still 174.1MB. Free memory was 142.9MB in the beginning and 139.7MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 574.02ms. Allocated memory is still 174.1MB. Free memory was 139.7MB in the beginning and 105.4MB in the end (delta: 34.3MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * TraceAbstraction took 26193.01ms. Allocated memory was 174.1MB in the beginning and 8.3GB in the end (delta: 8.2GB). Free memory was 104.7MB in the beginning and 5.2GB in the end (delta: -5.1GB). Peak memory consumption was 3.0GB. Max. memory is 16.1GB. * Witness Printer took 2.63ms. Allocated memory is still 8.3GB. Free memory is still 5.2GB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~pre20 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~pre5 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~pre8 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~pre8 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~pre10 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~pre10 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~pre12 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~pre12 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~pre14 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~pre14 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem16 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem16 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem17 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem17 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem18 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem18 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem19 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem19 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem22 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem23 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short25 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 1159]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 1159. Possible FailurePath: [L1124] 0 char *v; [L1161] 0 pthread_t t; [L1162] FCALL, FORK 0 pthread_create(&t, 0, thread0, 0) VAL [arg={0:0}, t={6:0}, v={0:0}] [L1163] 0 \read(t) VAL [arg={0:0}, v={0:0}] [L1146] 1 pthread_t t1, t2, t3, t4, t5; [L1147] FCALL, FORK 1 pthread_create(&t1, 0, thread1, 0) VAL [arg={0:0}, arg={0:0}, arg={0:0}, t1={8:0}, t2={5:0}, t3={7:0}, t4={9:0}, t5={10:0}, v={0:0}] [L1127] 2 v = malloc(sizeof(char)) [L1128] 2 return 0; [L1148] 1 \read(t1) VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, t1={8:0}, t2={5:0}, t3={7:0}, t4={9:0}, t5={10:0}, v={3:0}] [L1148] FCALL, JOIN 2 pthread_join(t1, 0) VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, t1={8:0}, t2={5:0}, t3={7:0}, t4={9:0}, t5={10:0}, v={3:0}] [L1149] FCALL, FORK 1 pthread_create(&t2, 0, thread2, 0) VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, t1={8:0}, t2={5:0}, t3={7:0}, t4={9:0}, t5={10:0}, v={3:0}] [L1133] 3 v[0] = 'X' VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, t1={8:0}, t2={5:0}, t3={7:0}, t4={9:0}, t5={10:0}, v={3:0}] [L1150] FCALL, FORK 1 pthread_create(&t3, 0, thread3, 0) VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, t1={8:0}, t2={5:0}, t3={7:0}, t4={9:0}, t5={10:0}, v={3:0}] [L1140] 4 v[0] = 'Y' VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, t1={8:0}, t2={5:0}, t3={7:0}, t4={9:0}, t5={10:0}, v={3:0}] [L1135] 3 return 0; [L1151] FCALL, FORK 1 pthread_create(&t4, 0, thread2, 0) VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, t1={8:0}, t2={5:0}, t3={7:0}, t4={9:0}, t5={10:0}, v={3:0}] [L1133] 5 v[0] = 'X' VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, t1={8:0}, t2={5:0}, t3={7:0}, t4={9:0}, t5={10:0}, v={3:0}] [L1142] 4 return 0; [L1152] FCALL, FORK 1 pthread_create(&t5, 0, thread2, 0) VAL [\result={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, t1={8:0}, t2={5:0}, t3={7:0}, t4={9:0}, t5={10:0}, v={3:0}] [L1133] 6 v[0] = 'X' VAL [\result={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, t1={8:0}, t2={5:0}, t3={7:0}, t4={9:0}, t5={10:0}, v={3:0}] [L1135] 5 return 0; [L1153] 1 \read(t2) VAL [\result={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, t1={8:0}, t2={5:0}, t3={7:0}, t4={9:0}, t5={10:0}, v={3:0}] [L1153] FCALL, JOIN 3 pthread_join(t2, 0) VAL [\result={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, t1={8:0}, t2={5:0}, t3={7:0}, t4={9:0}, t5={10:0}, v={3:0}] [L1154] 1 \read(t3) VAL [\result={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, t1={8:0}, t2={5:0}, t3={7:0}, t4={9:0}, t5={10:0}, v={3:0}] [L1154] FCALL, JOIN 4 pthread_join(t3, 0) VAL [\result={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, t1={8:0}, t2={5:0}, t3={7:0}, t4={9:0}, t5={10:0}, v={3:0}] [L1155] 1 \read(t4) VAL [\result={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, t1={8:0}, t2={5:0}, t3={7:0}, t4={9:0}, t5={10:0}, v={3:0}] [L1155] FCALL, JOIN 5 pthread_join(t4, 0) VAL [\result={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, t1={8:0}, t2={5:0}, t3={7:0}, t4={9:0}, t5={10:0}, v={3:0}] [L1135] 6 return 0; [L1156] 1 \read(t5) VAL [\result={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, t1={8:0}, t2={5:0}, t3={7:0}, t4={9:0}, t5={10:0}, v={3:0}] [L1156] FCALL, JOIN 6 pthread_join(t5, 0) VAL [\result={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, t1={8:0}, t2={5:0}, t3={7:0}, t4={9:0}, t5={10:0}, v={3:0}] [L1157] 1 return 0; [L1157] 1 return 0; [L1157] 1 return 0; [L1157] 1 return 0; [L1157] 1 return 0; [L1157] 1 return 0; [L1163] FCALL, JOIN 1 pthread_join(t, 0) VAL [\result={0:0}, \result={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, t={6:0}, v={3:0}] [L1164] EXPR 0 v[0] [L1164] EXPR 0 v[0] == 'X' || v[0] == 'Y' VAL [\result={0:0}, \result={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, t={6:0}, v={3:0}] [L1164] EXPR 0 v[0] == 'X' || v[0] == 'Y' VAL [\result={0:0}, \result={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, v={3:0}] [L1164] CALL 0 __VERIFIER_assert(v[0] == 'X' || v[0] == 'Y') [L1123] COND FALSE 0 !(!expression) VAL [\old(expression)=1, \result={0:0}, \result={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, expression=1, v={3:0}] [L1164] RET 0 __VERIFIER_assert(v[0] == 'X' || v[0] == 'Y') [L1165] 0 return 0; [L1165] 0 return 0; VAL [\result=0, \result={0:0}, \result={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, v={3:0}] - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1150]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 1147]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 1152]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 1149]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 1151]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 20]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 1162]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 1150]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 1147]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 1151]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 1152]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 1149]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 11 procedures, 183 locations, 73 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 25.9s, OverallIterations: 19, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 22.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4013 SdHoareTripleChecker+Valid, 3.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2369 mSDsluCounter, 402 SdHoareTripleChecker+Invalid, 2.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 169 mSDsCounter, 75 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4162 IncrementalHoareTripleChecker+Invalid, 4237 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 75 mSolverCounterUnsat, 233 mSDtfsCounter, 4162 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 57 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=263occurred in iteration=0, InterpolantAutomatonStates: 60, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 352 NumberOfCodeBlocks, 352 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 277 ConstructedInterpolants, 0 QuantifiedInterpolants, 3516 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-29 03:28:06,136 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread/singleton_with-uninit-problems.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9556b3eb7217f056a72a299bf0514e64606a248fa454b59dcc03e4a2e74c7c90 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 03:28:08,290 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 03:28:08,359 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2023-11-29 03:28:08,372 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 03:28:08,372 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 03:28:08,401 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 03:28:08,402 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 03:28:08,403 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 03:28:08,404 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 03:28:08,404 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 03:28:08,405 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 03:28:08,405 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 03:28:08,406 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 03:28:08,407 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 03:28:08,407 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 03:28:08,408 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 03:28:08,409 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 03:28:08,409 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 03:28:08,410 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 03:28:08,410 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 03:28:08,410 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-29 03:28:08,411 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-29 03:28:08,411 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-29 03:28:08,412 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 03:28:08,412 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 03:28:08,412 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-29 03:28:08,413 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-29 03:28:08,413 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 03:28:08,414 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 03:28:08,414 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 03:28:08,414 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 03:28:08,415 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 03:28:08,415 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 03:28:08,415 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 03:28:08,416 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 03:28:08,416 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 03:28:08,416 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 03:28:08,417 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-29 03:28:08,417 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-29 03:28:08,417 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 03:28:08,417 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 03:28:08,417 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 03:28:08,418 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 03:28:08,418 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-29 03:28:08,418 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9556b3eb7217f056a72a299bf0514e64606a248fa454b59dcc03e4a2e74c7c90 [2023-11-29 03:28:08,707 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 03:28:08,726 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 03:28:08,729 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 03:28:08,730 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 03:28:08,731 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 03:28:08,732 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/pthread/singleton_with-uninit-problems.i [2023-11-29 03:28:11,433 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 03:28:11,701 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 03:28:11,702 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/sv-benchmarks/c/pthread/singleton_with-uninit-problems.i [2023-11-29 03:28:11,718 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/data/69f578f7d/b8020dd3b23041ddb16a20fd2e818fd4/FLAG9f6cf97c1 [2023-11-29 03:28:11,731 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/data/69f578f7d/b8020dd3b23041ddb16a20fd2e818fd4 [2023-11-29 03:28:11,733 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 03:28:11,735 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 03:28:11,737 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 03:28:11,737 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 03:28:11,742 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 03:28:11,743 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:28:11" (1/1) ... [2023-11-29 03:28:11,743 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3adf0a7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:28:11, skipping insertion in model container [2023-11-29 03:28:11,744 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:28:11" (1/1) ... [2023-11-29 03:28:11,803 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 03:28:12,308 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:28:12,319 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 03:28:12,360 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:28:12,433 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 03:28:12,434 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 03:28:12,440 INFO L206 MainTranslator]: Completed translation [2023-11-29 03:28:12,440 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:28:12 WrapperNode [2023-11-29 03:28:12,440 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 03:28:12,441 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 03:28:12,441 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 03:28:12,441 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 03:28:12,448 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:28:12" (1/1) ... [2023-11-29 03:28:12,470 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:28:12" (1/1) ... [2023-11-29 03:28:12,490 INFO L138 Inliner]: procedures = 327, calls = 53, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 44 [2023-11-29 03:28:12,490 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 03:28:12,491 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 03:28:12,491 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 03:28:12,491 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 03:28:12,499 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:28:12" (1/1) ... [2023-11-29 03:28:12,500 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:28:12" (1/1) ... [2023-11-29 03:28:12,504 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:28:12" (1/1) ... [2023-11-29 03:28:12,528 INFO L175 MemorySlicer]: Split 18 memory accesses to 8 slices as follows [2, 2, 2, 2, 2, 2, 2, 4]. 22 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0, 0, 0]. The 8 writes are split as follows [0, 1, 1, 1, 1, 1, 1, 2]. [2023-11-29 03:28:12,529 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:28:12" (1/1) ... [2023-11-29 03:28:12,529 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:28:12" (1/1) ... [2023-11-29 03:28:12,547 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:28:12" (1/1) ... [2023-11-29 03:28:12,549 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:28:12" (1/1) ... [2023-11-29 03:28:12,553 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:28:12" (1/1) ... [2023-11-29 03:28:12,556 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:28:12" (1/1) ... [2023-11-29 03:28:12,563 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 03:28:12,564 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 03:28:12,564 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 03:28:12,564 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 03:28:12,565 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:28:12" (1/1) ... [2023-11-29 03:28:12,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 03:28:12,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:28:12,590 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 03:28:12,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 03:28:12,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2023-11-29 03:28:12,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2023-11-29 03:28:12,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2023-11-29 03:28:12,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2023-11-29 03:28:12,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2023-11-29 03:28:12,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2023-11-29 03:28:12,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2023-11-29 03:28:12,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7 [2023-11-29 03:28:12,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2023-11-29 03:28:12,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2023-11-29 03:28:12,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2023-11-29 03:28:12,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2023-11-29 03:28:12,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2023-11-29 03:28:12,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2023-11-29 03:28:12,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2023-11-29 03:28:12,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2023-11-29 03:28:12,629 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-29 03:28:12,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 03:28:12,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2023-11-29 03:28:12,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2023-11-29 03:28:12,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2023-11-29 03:28:12,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2023-11-29 03:28:12,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2023-11-29 03:28:12,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2023-11-29 03:28:12,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2023-11-29 03:28:12,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2023-11-29 03:28:12,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 03:28:12,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2023-11-29 03:28:12,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2023-11-29 03:28:12,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2023-11-29 03:28:12,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2023-11-29 03:28:12,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2023-11-29 03:28:12,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2023-11-29 03:28:12,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2023-11-29 03:28:12,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2023-11-29 03:28:12,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-29 03:28:12,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2023-11-29 03:28:12,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2023-11-29 03:28:12,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2023-11-29 03:28:12,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2023-11-29 03:28:12,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2023-11-29 03:28:12,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2023-11-29 03:28:12,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2023-11-29 03:28:12,633 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-29 03:28:12,633 INFO L130 BoogieDeclarations]: Found specification of procedure thread0 [2023-11-29 03:28:12,633 INFO L138 BoogieDeclarations]: Found implementation of procedure thread0 [2023-11-29 03:28:12,634 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-29 03:28:12,634 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-29 03:28:12,634 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-29 03:28:12,634 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-29 03:28:12,634 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-29 03:28:12,634 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-29 03:28:12,635 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-29 03:28:12,635 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 03:28:12,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 03:28:12,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 03:28:12,637 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-29 03:28:12,845 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 03:28:12,847 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 03:28:13,234 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 03:28:13,409 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 03:28:13,409 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-29 03:28:13,410 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:28:13 BoogieIcfgContainer [2023-11-29 03:28:13,410 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 03:28:13,413 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 03:28:13,413 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 03:28:13,417 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 03:28:13,417 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 03:28:11" (1/3) ... [2023-11-29 03:28:13,417 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39e687d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:28:13, skipping insertion in model container [2023-11-29 03:28:13,418 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:28:12" (2/3) ... [2023-11-29 03:28:13,418 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39e687d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:28:13, skipping insertion in model container [2023-11-29 03:28:13,418 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:28:13" (3/3) ... [2023-11-29 03:28:13,419 INFO L112 eAbstractionObserver]: Analyzing ICFG singleton_with-uninit-problems.i [2023-11-29 03:28:13,439 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 03:28:13,439 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 34 error locations. [2023-11-29 03:28:13,439 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-29 03:28:13,575 INFO L144 ThreadInstanceAdder]: Constructed 21 joinOtherThreadTransitions. [2023-11-29 03:28:13,611 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 170 places, 162 transitions, 421 flow [2023-11-29 03:28:13,658 INFO L124 PetriNetUnfolderBase]: 8/107 cut-off events. [2023-11-29 03:28:13,658 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2023-11-29 03:28:13,662 INFO L83 FinitePrefix]: Finished finitePrefix Result has 137 conditions, 107 events. 8/107 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 195 event pairs, 0 based on Foata normal form. 0/61 useless extension candidates. Maximal degree in co-relation 107. Up to 3 conditions per place. [2023-11-29 03:28:13,662 INFO L82 GeneralOperation]: Start removeDead. Operand has 170 places, 162 transitions, 421 flow [2023-11-29 03:28:13,668 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 117 places, 106 transitions, 263 flow [2023-11-29 03:28:13,678 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 03:28:13,685 INFO L357 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=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5fdb1145, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 03:28:13,685 INFO L358 AbstractCegarLoop]: Starting to check reachability of 73 error locations. [2023-11-29 03:28:13,688 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-29 03:28:13,688 INFO L124 PetriNetUnfolderBase]: 0/2 cut-off events. [2023-11-29 03:28:13,688 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 03:28:13,688 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:28:13,689 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2023-11-29 03:28:13,690 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 70 more)] === [2023-11-29 03:28:13,694 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:28:13,694 INFO L85 PathProgramCache]: Analyzing trace with hash 10418, now seen corresponding path program 1 times [2023-11-29 03:28:13,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:28:13,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1206965548] [2023-11-29 03:28:13,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:28:13,705 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:28:13,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:28:13,706 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 03:28:13,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-29 03:28:13,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:28:13,857 INFO L262 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 03:28:13,861 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:28:13,925 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2023-11-29 03:28:13,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:28:13,936 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:28:13,936 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:28:13,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1206965548] [2023-11-29 03:28:13,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1206965548] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:28:13,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:28:13,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-29 03:28:13,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380614975] [2023-11-29 03:28:13,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:28:13,947 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:28:13,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:28:13,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:28:13,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:28:14,154 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 164 [2023-11-29 03:28:14,157 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 106 transitions, 263 flow. Second operand has 3 states, 3 states have (on average 87.66666666666667) internal successors, (263), 3 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:14,158 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:28:14,158 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 164 [2023-11-29 03:28:14,159 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:28:17,650 INFO L124 PetriNetUnfolderBase]: 17148/29862 cut-off events. [2023-11-29 03:28:17,651 INFO L125 PetriNetUnfolderBase]: For 1889/1895 co-relation queries the response was YES. [2023-11-29 03:28:17,736 INFO L83 FinitePrefix]: Finished finitePrefix Result has 54094 conditions, 29862 events. 17148/29862 cut-off events. For 1889/1895 co-relation queries the response was YES. Maximal size of possible extension queue 2317. Compared 271247 event pairs, 16673 based on Foata normal form. 4/16921 useless extension candidates. Maximal degree in co-relation 54030. Up to 22324 conditions per place. [2023-11-29 03:28:17,914 INFO L140 encePairwiseOnDemand]: 156/164 looper letters, 56 selfloop transitions, 4 changer transitions 0/110 dead transitions. [2023-11-29 03:28:17,915 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 110 transitions, 394 flow [2023-11-29 03:28:17,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:28:17,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:28:17,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 327 transitions. [2023-11-29 03:28:17,929 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6646341463414634 [2023-11-29 03:28:17,930 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 327 transitions. [2023-11-29 03:28:17,930 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 327 transitions. [2023-11-29 03:28:17,932 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:28:17,934 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 327 transitions. [2023-11-29 03:28:17,938 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 109.0) internal successors, (327), 3 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:17,943 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 164.0) internal successors, (656), 4 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:17,943 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 164.0) internal successors, (656), 4 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:17,945 INFO L175 Difference]: Start difference. First operand has 117 places, 106 transitions, 263 flow. Second operand 3 states and 327 transitions. [2023-11-29 03:28:17,946 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 110 transitions, 394 flow [2023-11-29 03:28:18,000 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 110 transitions, 358 flow, removed 0 selfloop flow, removed 12 redundant places. [2023-11-29 03:28:18,003 INFO L231 Difference]: Finished difference. Result has 107 places, 104 transitions, 247 flow [2023-11-29 03:28:18,005 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=221, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=247, PETRI_PLACES=107, PETRI_TRANSITIONS=104} [2023-11-29 03:28:18,008 INFO L281 CegarLoopForPetriNet]: 117 programPoint places, -10 predicate places. [2023-11-29 03:28:18,008 INFO L495 AbstractCegarLoop]: Abstraction has has 107 places, 104 transitions, 247 flow [2023-11-29 03:28:18,009 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 87.66666666666667) internal successors, (263), 3 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:18,009 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:28:18,010 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2023-11-29 03:28:18,013 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-29 03:28:18,211 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:28:18,212 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 70 more)] === [2023-11-29 03:28:18,213 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:28:18,213 INFO L85 PathProgramCache]: Analyzing trace with hash 10419, now seen corresponding path program 1 times [2023-11-29 03:28:18,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:28:18,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1031972047] [2023-11-29 03:28:18,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:28:18,214 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:28:18,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:28:18,219 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 03:28:18,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-29 03:28:18,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:28:18,377 INFO L262 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 03:28:18,379 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:28:18,390 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-29 03:28:18,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:28:18,401 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:28:18,401 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:28:18,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1031972047] [2023-11-29 03:28:18,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1031972047] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:28:18,402 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:28:18,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-29 03:28:18,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404196673] [2023-11-29 03:28:18,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:28:18,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:28:18,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:28:18,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:28:18,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:28:18,637 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 164 [2023-11-29 03:28:18,638 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 104 transitions, 247 flow. Second operand has 3 states, 3 states have (on average 89.66666666666667) internal successors, (269), 3 states have internal predecessors, (269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:18,638 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:28:18,638 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 164 [2023-11-29 03:28:18,638 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:28:20,848 INFO L124 PetriNetUnfolderBase]: 17144/29851 cut-off events. [2023-11-29 03:28:20,848 INFO L125 PetriNetUnfolderBase]: For 480/485 co-relation queries the response was YES. [2023-11-29 03:28:20,908 INFO L83 FinitePrefix]: Finished finitePrefix Result has 52669 conditions, 29851 events. 17144/29851 cut-off events. For 480/485 co-relation queries the response was YES. Maximal size of possible extension queue 2416. Compared 271749 event pairs, 14946 based on Foata normal form. 7/16916 useless extension candidates. Maximal degree in co-relation 52588. Up to 22315 conditions per place. [2023-11-29 03:28:21,012 INFO L140 encePairwiseOnDemand]: 160/164 looper letters, 51 selfloop transitions, 2 changer transitions 0/105 dead transitions. [2023-11-29 03:28:21,012 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 105 transitions, 355 flow [2023-11-29 03:28:21,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:28:21,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:28:21,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 321 transitions. [2023-11-29 03:28:21,016 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6524390243902439 [2023-11-29 03:28:21,016 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 321 transitions. [2023-11-29 03:28:21,016 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 321 transitions. [2023-11-29 03:28:21,016 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:28:21,017 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 321 transitions. [2023-11-29 03:28:21,018 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) [2023-11-29 03:28:21,021 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 164.0) internal successors, (656), 4 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:21,021 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 164.0) internal successors, (656), 4 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:21,021 INFO L175 Difference]: Start difference. First operand has 107 places, 104 transitions, 247 flow. Second operand 3 states and 321 transitions. [2023-11-29 03:28:21,021 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 105 transitions, 355 flow [2023-11-29 03:28:21,023 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 105 transitions, 347 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 03:28:21,025 INFO L231 Difference]: Finished difference. Result has 107 places, 103 transitions, 245 flow [2023-11-29 03:28:21,025 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=237, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=103, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=101, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=245, PETRI_PLACES=107, PETRI_TRANSITIONS=103} [2023-11-29 03:28:21,026 INFO L281 CegarLoopForPetriNet]: 117 programPoint places, -10 predicate places. [2023-11-29 03:28:21,026 INFO L495 AbstractCegarLoop]: Abstraction has has 107 places, 103 transitions, 245 flow [2023-11-29 03:28:21,026 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 89.66666666666667) internal successors, (269), 3 states have internal predecessors, (269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:21,026 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:28:21,027 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-11-29 03:28:21,029 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-29 03:28:21,227 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:28:21,228 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 70 more)] === [2023-11-29 03:28:21,228 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:28:21,228 INFO L85 PathProgramCache]: Analyzing trace with hash 310764135, now seen corresponding path program 1 times [2023-11-29 03:28:21,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:28:21,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [236569692] [2023-11-29 03:28:21,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:28:21,229 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:28:21,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:28:21,230 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 03:28:21,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-29 03:28:21,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:28:21,365 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-29 03:28:21,368 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:28:21,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:21,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:21,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:21,472 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2023-11-29 03:28:21,489 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2023-11-29 03:28:21,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:21,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:21,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:21,559 INFO L349 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2023-11-29 03:28:21,560 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 11 [2023-11-29 03:28:21,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:21,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:21,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:21,594 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2023-11-29 03:28:21,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:21,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:21,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:21,637 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2023-11-29 03:28:21,652 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2023-11-29 03:28:21,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:21,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:21,680 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2023-11-29 03:28:21,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:21,692 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2023-11-29 03:28:21,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:21,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:21,722 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2023-11-29 03:28:21,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:21,734 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2023-11-29 03:28:21,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:21,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:21,778 INFO L349 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2023-11-29 03:28:21,779 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 11 [2023-11-29 03:28:21,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:21,798 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2023-11-29 03:28:21,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:21,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:21,826 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2023-11-29 03:28:21,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:21,837 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2023-11-29 03:28:21,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:21,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:21,882 INFO L349 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2023-11-29 03:28:21,882 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 11 [2023-11-29 03:28:21,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:21,898 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2023-11-29 03:28:21,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:21,917 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2023-11-29 03:28:21,923 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2023-11-29 03:28:21,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:21,958 INFO L349 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2023-11-29 03:28:21,958 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 11 [2023-11-29 03:28:21,968 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2023-11-29 03:28:21,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:21,992 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2023-11-29 03:28:22,001 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2023-11-29 03:28:22,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:22,018 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2023-11-29 03:28:22,026 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2023-11-29 03:28:22,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:22,061 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 18 [2023-11-29 03:28:22,072 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2023-11-29 03:28:22,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:22,091 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2023-11-29 03:28:22,097 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2023-11-29 03:28:22,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:22,116 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2023-11-29 03:28:22,122 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2023-11-29 03:28:22,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:22,153 INFO L349 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2023-11-29 03:28:22,154 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 11 [2023-11-29 03:28:22,165 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2023-11-29 03:28:22,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:22,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:22,207 INFO L349 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2023-11-29 03:28:22,208 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 11 [2023-11-29 03:28:22,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:22,231 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 18 [2023-11-29 03:28:22,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:22,250 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 18 [2023-11-29 03:28:22,259 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2023-11-29 03:28:22,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:22,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:22,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:22,302 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2023-11-29 03:28:22,314 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2023-11-29 03:28:22,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:22,338 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 18 [2023-11-29 03:28:22,347 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2023-11-29 03:28:22,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:22,374 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2023-11-29 03:28:22,383 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2023-11-29 03:28:22,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:22,399 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2023-11-29 03:28:22,405 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2023-11-29 03:28:22,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:22,423 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2023-11-29 03:28:22,431 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2023-11-29 03:28:22,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:22,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:22,450 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2023-11-29 03:28:22,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:22,469 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2023-11-29 03:28:22,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:28:22,540 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:28:22,540 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:28:22,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [236569692] [2023-11-29 03:28:22,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [236569692] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:28:22,540 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:28:22,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:28:22,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751228493] [2023-11-29 03:28:22,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:28:22,541 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:28:22,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:28:22,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:28:22,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:28:22,943 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 164 [2023-11-29 03:28:22,944 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 103 transitions, 245 flow. Second operand has 3 states, 3 states have (on average 90.33333333333333) internal successors, (271), 3 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:22,944 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:28:22,944 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 164 [2023-11-29 03:28:22,944 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:28:24,483 INFO L124 PetriNetUnfolderBase]: 10860/19350 cut-off events. [2023-11-29 03:28:24,483 INFO L125 PetriNetUnfolderBase]: For 319/323 co-relation queries the response was YES. [2023-11-29 03:28:24,616 INFO L83 FinitePrefix]: Finished finitePrefix Result has 34013 conditions, 19350 events. 10860/19350 cut-off events. For 319/323 co-relation queries the response was YES. Maximal size of possible extension queue 1740. Compared 171301 event pairs, 10538 based on Foata normal form. 6/10726 useless extension candidates. Maximal degree in co-relation 33940. Up to 14315 conditions per place. [2023-11-29 03:28:24,722 INFO L140 encePairwiseOnDemand]: 160/164 looper letters, 51 selfloop transitions, 2 changer transitions 0/104 dead transitions. [2023-11-29 03:28:24,723 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 104 transitions, 353 flow [2023-11-29 03:28:24,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:28:24,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:28:24,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 321 transitions. [2023-11-29 03:28:24,725 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6524390243902439 [2023-11-29 03:28:24,725 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 321 transitions. [2023-11-29 03:28:24,725 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 321 transitions. [2023-11-29 03:28:24,726 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:28:24,726 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 321 transitions. [2023-11-29 03:28:24,727 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) [2023-11-29 03:28:24,729 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 164.0) internal successors, (656), 4 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:24,729 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 164.0) internal successors, (656), 4 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:24,730 INFO L175 Difference]: Start difference. First operand has 107 places, 103 transitions, 245 flow. Second operand 3 states and 321 transitions. [2023-11-29 03:28:24,730 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 104 transitions, 353 flow [2023-11-29 03:28:24,731 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 104 transitions, 349 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 03:28:24,734 INFO L231 Difference]: Finished difference. Result has 107 places, 102 transitions, 247 flow [2023-11-29 03:28:24,735 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=239, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=100, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=247, PETRI_PLACES=107, PETRI_TRANSITIONS=102} [2023-11-29 03:28:24,736 INFO L281 CegarLoopForPetriNet]: 117 programPoint places, -10 predicate places. [2023-11-29 03:28:24,736 INFO L495 AbstractCegarLoop]: Abstraction has has 107 places, 102 transitions, 247 flow [2023-11-29 03:28:24,736 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 90.33333333333333) internal successors, (271), 3 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:24,736 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:28:24,737 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-11-29 03:28:24,739 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2023-11-29 03:28:24,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:28:24,940 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 70 more)] === [2023-11-29 03:28:24,940 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:28:24,940 INFO L85 PathProgramCache]: Analyzing trace with hash 310764134, now seen corresponding path program 1 times [2023-11-29 03:28:24,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:28:24,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1961513093] [2023-11-29 03:28:24,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:28:24,941 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:28:24,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:28:24,942 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 03:28:24,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-29 03:28:25,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:28:25,050 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 03:28:25,052 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:28:25,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:25,097 INFO L349 Elim1Store]: treesize reduction 37, result has 15.9 percent of original size [2023-11-29 03:28:25,097 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 29 [2023-11-29 03:28:25,122 INFO L349 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2023-11-29 03:28:25,122 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 22 [2023-11-29 03:28:25,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:25,168 INFO L349 Elim1Store]: treesize reduction 60, result has 10.4 percent of original size [2023-11-29 03:28:25,168 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 29 [2023-11-29 03:28:25,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:25,201 INFO L349 Elim1Store]: treesize reduction 37, result has 15.9 percent of original size [2023-11-29 03:28:25,202 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 29 [2023-11-29 03:28:25,235 INFO L349 Elim1Store]: treesize reduction 37, result has 15.9 percent of original size [2023-11-29 03:28:25,236 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 22 [2023-11-29 03:28:25,255 INFO L349 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2023-11-29 03:28:25,255 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 22 [2023-11-29 03:28:25,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:25,298 INFO L349 Elim1Store]: treesize reduction 37, result has 15.9 percent of original size [2023-11-29 03:28:25,299 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 32 [2023-11-29 03:28:25,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:25,341 INFO L349 Elim1Store]: treesize reduction 60, result has 10.4 percent of original size [2023-11-29 03:28:25,342 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 32 [2023-11-29 03:28:25,370 INFO L349 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2023-11-29 03:28:25,370 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 22 [2023-11-29 03:28:25,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:25,402 INFO L349 Elim1Store]: treesize reduction 37, result has 15.9 percent of original size [2023-11-29 03:28:25,402 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 32 [2023-11-29 03:28:25,437 INFO L349 Elim1Store]: treesize reduction 37, result has 15.9 percent of original size [2023-11-29 03:28:25,438 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 22 [2023-11-29 03:28:25,457 INFO L349 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2023-11-29 03:28:25,458 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 22 [2023-11-29 03:28:25,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:25,498 INFO L349 Elim1Store]: treesize reduction 37, result has 15.9 percent of original size [2023-11-29 03:28:25,498 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 29 [2023-11-29 03:28:25,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:25,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:25,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:25,542 INFO L349 Elim1Store]: treesize reduction 60, result has 10.4 percent of original size [2023-11-29 03:28:25,542 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 36 [2023-11-29 03:28:25,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:25,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:25,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:25,598 INFO L349 Elim1Store]: treesize reduction 60, result has 10.4 percent of original size [2023-11-29 03:28:25,598 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 36 [2023-11-29 03:28:25,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:25,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:25,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:25,658 INFO L349 Elim1Store]: treesize reduction 86, result has 7.5 percent of original size [2023-11-29 03:28:25,659 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 36 [2023-11-29 03:28:25,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:25,697 INFO L349 Elim1Store]: treesize reduction 37, result has 15.9 percent of original size [2023-11-29 03:28:25,698 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 29 [2023-11-29 03:28:25,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:25,739 INFO L349 Elim1Store]: treesize reduction 60, result has 10.4 percent of original size [2023-11-29 03:28:25,740 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 29 [2023-11-29 03:28:25,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:25,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:25,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:25,793 INFO L349 Elim1Store]: treesize reduction 60, result has 10.4 percent of original size [2023-11-29 03:28:25,793 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 36 [2023-11-29 03:28:25,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:25,827 INFO L349 Elim1Store]: treesize reduction 37, result has 15.9 percent of original size [2023-11-29 03:28:25,827 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 32 [2023-11-29 03:28:25,858 INFO L349 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2023-11-29 03:28:25,858 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 22 [2023-11-29 03:28:25,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:25,890 INFO L349 Elim1Store]: treesize reduction 37, result has 15.9 percent of original size [2023-11-29 03:28:25,890 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 29 [2023-11-29 03:28:25,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:25,927 INFO L349 Elim1Store]: treesize reduction 37, result has 15.9 percent of original size [2023-11-29 03:28:25,927 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 29 [2023-11-29 03:28:25,951 INFO L349 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2023-11-29 03:28:25,951 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 22 [2023-11-29 03:28:26,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:28:26,009 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:28:26,010 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:28:26,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1961513093] [2023-11-29 03:28:26,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1961513093] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:28:26,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:28:26,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:28:26,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509758868] [2023-11-29 03:28:26,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:28:26,011 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:28:26,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:28:26,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:28:26,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:28:26,302 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 164 [2023-11-29 03:28:26,302 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 102 transitions, 247 flow. Second operand has 3 states, 3 states have (on average 88.33333333333333) internal successors, (265), 3 states have internal predecessors, (265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:26,303 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:28:26,303 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 164 [2023-11-29 03:28:26,303 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:28:27,819 INFO L124 PetriNetUnfolderBase]: 10864/19352 cut-off events. [2023-11-29 03:28:27,819 INFO L125 PetriNetUnfolderBase]: For 323/325 co-relation queries the response was YES. [2023-11-29 03:28:27,853 INFO L83 FinitePrefix]: Finished finitePrefix Result has 34037 conditions, 19352 events. 10864/19352 cut-off events. For 323/325 co-relation queries the response was YES. Maximal size of possible extension queue 1740. Compared 171382 event pairs, 8821 based on Foata normal form. 0/10726 useless extension candidates. Maximal degree in co-relation 33964. Up to 14312 conditions per place. [2023-11-29 03:28:27,940 INFO L140 encePairwiseOnDemand]: 160/164 looper letters, 51 selfloop transitions, 2 changer transitions 0/101 dead transitions. [2023-11-29 03:28:27,940 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 101 transitions, 351 flow [2023-11-29 03:28:27,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:28:27,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:28:27,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 315 transitions. [2023-11-29 03:28:27,942 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6402439024390244 [2023-11-29 03:28:27,942 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 315 transitions. [2023-11-29 03:28:27,943 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 315 transitions. [2023-11-29 03:28:27,943 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:28:27,943 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 315 transitions. [2023-11-29 03:28:27,944 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 105.0) internal successors, (315), 3 states have internal predecessors, (315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:27,946 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 164.0) internal successors, (656), 4 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:27,946 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 164.0) internal successors, (656), 4 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:27,946 INFO L175 Difference]: Start difference. First operand has 107 places, 102 transitions, 247 flow. Second operand 3 states and 315 transitions. [2023-11-29 03:28:27,947 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 101 transitions, 351 flow [2023-11-29 03:28:27,948 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 101 transitions, 347 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 03:28:27,950 INFO L231 Difference]: Finished difference. Result has 105 places, 100 transitions, 243 flow [2023-11-29 03:28:27,950 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=239, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=100, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=243, PETRI_PLACES=105, PETRI_TRANSITIONS=100} [2023-11-29 03:28:27,951 INFO L281 CegarLoopForPetriNet]: 117 programPoint places, -12 predicate places. [2023-11-29 03:28:27,951 INFO L495 AbstractCegarLoop]: Abstraction has has 105 places, 100 transitions, 243 flow [2023-11-29 03:28:27,951 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 88.33333333333333) internal successors, (265), 3 states have internal predecessors, (265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:27,951 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:28:27,951 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:28:27,954 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2023-11-29 03:28:28,152 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:28:28,152 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 70 more)] === [2023-11-29 03:28:28,152 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:28:28,152 INFO L85 PathProgramCache]: Analyzing trace with hash -1435243809, now seen corresponding path program 1 times [2023-11-29 03:28:28,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:28:28,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1039893570] [2023-11-29 03:28:28,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:28:28,153 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:28:28,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:28:28,154 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 03:28:28,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-11-29 03:28:28,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:28:28,313 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-29 03:28:28,315 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:28:28,328 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-29 03:28:28,338 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2023-11-29 03:28:28,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:28,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:28,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:28,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:28,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:28,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:28,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:28,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:28,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:28,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:28,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:28,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:28,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:28,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:28,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:28,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:28,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:28,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:28,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:28,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:28,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:28,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:28,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:28,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:28,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:28,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:28,759 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-29 03:28:28,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:28,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:28,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:28,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:28,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:28,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:28,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:28,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:28,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:28,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:28,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:28,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:28,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:28,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:28,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:28,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:28,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:28,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:28,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:29,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:29,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:29,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:29,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:29,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:29,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:29,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:29,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:29,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:29,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:29,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:29,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:29,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:29,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:29,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:29,118 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-29 03:28:29,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:29,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:29,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:29,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:29,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:29,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:29,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:29,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:29,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:29,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:29,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:29,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:29,306 INFO L349 Elim1Store]: treesize reduction 18, result has 41.9 percent of original size [2023-11-29 03:28:29,306 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 23 treesize of output 27 [2023-11-29 03:28:29,319 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 9 [2023-11-29 03:28:29,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:29,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:29,338 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 9 [2023-11-29 03:28:29,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:29,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:29,364 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 9 [2023-11-29 03:28:29,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:29,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:29,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:29,406 INFO L349 Elim1Store]: treesize reduction 30, result has 3.2 percent of original size [2023-11-29 03:28:29,406 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 29 treesize of output 1 [2023-11-29 03:28:29,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:29,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:29,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:29,457 INFO L349 Elim1Store]: treesize reduction 30, result has 3.2 percent of original size [2023-11-29 03:28:29,458 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 26 treesize of output 1 [2023-11-29 03:28:29,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:29,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:29,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:29,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:29,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:29,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:29,524 INFO L349 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2023-11-29 03:28:29,525 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 31 treesize of output 1 [2023-11-29 03:28:29,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:29,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:29,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:29,578 INFO L349 Elim1Store]: treesize reduction 30, result has 3.2 percent of original size [2023-11-29 03:28:29,579 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 23 treesize of output 1 [2023-11-29 03:28:29,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:29,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:29,595 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 9 [2023-11-29 03:28:29,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:29,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:29,617 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 9 [2023-11-29 03:28:29,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:29,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:29,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:29,657 INFO L349 Elim1Store]: treesize reduction 30, result has 3.2 percent of original size [2023-11-29 03:28:29,657 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 26 treesize of output 1 [2023-11-29 03:28:29,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:29,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:29,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:29,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:29,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:29,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:29,731 INFO L349 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2023-11-29 03:28:29,732 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 28 treesize of output 1 [2023-11-29 03:28:29,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:29,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:29,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:29,771 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 9 [2023-11-29 03:28:29,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:29,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:29,802 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 9 [2023-11-29 03:28:29,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:29,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:29,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:29,845 INFO L349 Elim1Store]: treesize reduction 30, result has 3.2 percent of original size [2023-11-29 03:28:29,846 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 26 treesize of output 1 [2023-11-29 03:28:29,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:29,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:29,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:29,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:29,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:29,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:29,918 INFO L349 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2023-11-29 03:28:29,918 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 31 treesize of output 1 [2023-11-29 03:28:29,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:29,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:29,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:29,963 INFO L349 Elim1Store]: treesize reduction 30, result has 3.2 percent of original size [2023-11-29 03:28:29,963 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 26 treesize of output 1 [2023-11-29 03:28:29,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:29,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:29,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:30,002 INFO L349 Elim1Store]: treesize reduction 30, result has 3.2 percent of original size [2023-11-29 03:28:30,003 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 26 treesize of output 1 [2023-11-29 03:28:30,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:30,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:30,020 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 9 [2023-11-29 03:28:30,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:30,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:30,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:30,092 INFO L349 Elim1Store]: treesize reduction 30, result has 3.2 percent of original size [2023-11-29 03:28:30,093 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 23 treesize of output 1 [2023-11-29 03:28:30,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:30,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:30,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:30,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:30,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:30,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:30,154 INFO L349 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2023-11-29 03:28:30,155 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 28 treesize of output 1 [2023-11-29 03:28:30,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:30,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:30,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:30,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:30,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:30,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:30,220 INFO L349 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2023-11-29 03:28:30,220 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 31 treesize of output 1 [2023-11-29 03:28:30,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:30,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:30,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:30,247 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 9 [2023-11-29 03:28:30,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:30,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:30,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:30,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:30,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:30,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:30,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:30,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:30,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:30,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:30,359 INFO L349 Elim1Store]: treesize reduction 50, result has 2.0 percent of original size [2023-11-29 03:28:30,359 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 33 treesize of output 1 [2023-11-29 03:28:30,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:30,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:30,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:30,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:30,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:30,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:30,437 INFO L349 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2023-11-29 03:28:30,437 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 28 treesize of output 1 [2023-11-29 03:28:30,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:30,479 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2023-11-29 03:28:30,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:28:30,505 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:28:30,505 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:28:30,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1039893570] [2023-11-29 03:28:30,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1039893570] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:28:30,506 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:28:30,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:28:30,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41376338] [2023-11-29 03:28:30,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:28:30,506 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 03:28:30,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:28:30,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 03:28:30,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:28:31,111 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 164 [2023-11-29 03:28:31,112 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 100 transitions, 243 flow. Second operand has 5 states, 5 states have (on average 86.6) internal successors, (433), 5 states have internal predecessors, (433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:31,112 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:28:31,112 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 164 [2023-11-29 03:28:31,112 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:28:33,558 INFO L124 PetriNetUnfolderBase]: 17148/29853 cut-off events. [2023-11-29 03:28:33,558 INFO L125 PetriNetUnfolderBase]: For 3925/3931 co-relation queries the response was YES. [2023-11-29 03:28:33,615 INFO L83 FinitePrefix]: Finished finitePrefix Result has 54420 conditions, 29853 events. 17148/29853 cut-off events. For 3925/3931 co-relation queries the response was YES. Maximal size of possible extension queue 2416. Compared 271711 event pairs, 16673 based on Foata normal form. 1721/18639 useless extension candidates. Maximal degree in co-relation 35642. Up to 22324 conditions per place. [2023-11-29 03:28:33,712 INFO L140 encePairwiseOnDemand]: 159/164 looper letters, 55 selfloop transitions, 5 changer transitions 0/105 dead transitions. [2023-11-29 03:28:33,712 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 105 transitions, 372 flow [2023-11-29 03:28:33,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 03:28:33,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-29 03:28:33,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 402 transitions. [2023-11-29 03:28:33,715 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6128048780487805 [2023-11-29 03:28:33,715 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 402 transitions. [2023-11-29 03:28:33,715 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 402 transitions. [2023-11-29 03:28:33,715 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:28:33,715 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 402 transitions. [2023-11-29 03:28:33,716 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 100.5) internal successors, (402), 4 states have internal predecessors, (402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:33,718 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 164.0) internal successors, (820), 5 states have internal predecessors, (820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:33,718 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 164.0) internal successors, (820), 5 states have internal predecessors, (820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:33,718 INFO L175 Difference]: Start difference. First operand has 105 places, 100 transitions, 243 flow. Second operand 4 states and 402 transitions. [2023-11-29 03:28:33,718 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 105 transitions, 372 flow [2023-11-29 03:28:33,720 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 105 transitions, 366 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-11-29 03:28:33,722 INFO L231 Difference]: Finished difference. Result has 104 places, 99 transitions, 243 flow [2023-11-29 03:28:33,722 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=233, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=99, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=243, PETRI_PLACES=104, PETRI_TRANSITIONS=99} [2023-11-29 03:28:33,722 INFO L281 CegarLoopForPetriNet]: 117 programPoint places, -13 predicate places. [2023-11-29 03:28:33,722 INFO L495 AbstractCegarLoop]: Abstraction has has 104 places, 99 transitions, 243 flow [2023-11-29 03:28:33,723 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 86.6) internal successors, (433), 5 states have internal predecessors, (433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:33,723 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:28:33,723 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:28:33,725 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2023-11-29 03:28:33,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:28:33,923 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread0Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 70 more)] === [2023-11-29 03:28:33,924 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:28:33,924 INFO L85 PathProgramCache]: Analyzing trace with hash -1088344854, now seen corresponding path program 1 times [2023-11-29 03:28:33,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:28:33,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [488617633] [2023-11-29 03:28:33,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:28:33,924 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:28:33,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:28:33,925 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 03:28:33,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-11-29 03:28:34,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:28:34,082 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 03:28:34,083 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:28:34,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:34,128 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2023-11-29 03:28:34,139 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2023-11-29 03:28:34,139 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2023-11-29 03:28:34,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:28:34,147 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:28:34,147 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:28:34,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [488617633] [2023-11-29 03:28:34,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [488617633] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:28:34,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:28:34,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 03:28:34,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528321404] [2023-11-29 03:28:34,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:28:34,148 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 03:28:34,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:28:34,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 03:28:34,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:28:34,523 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 164 [2023-11-29 03:28:34,524 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 99 transitions, 243 flow. Second operand has 5 states, 5 states have (on average 86.6) internal successors, (433), 5 states have internal predecessors, (433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:34,524 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:28:34,524 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 164 [2023-11-29 03:28:34,524 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:28:35,780 INFO L124 PetriNetUnfolderBase]: 10864/19348 cut-off events. [2023-11-29 03:28:35,780 INFO L125 PetriNetUnfolderBase]: For 323/325 co-relation queries the response was YES. [2023-11-29 03:28:35,815 INFO L83 FinitePrefix]: Finished finitePrefix Result has 34021 conditions, 19348 events. 10864/19348 cut-off events. For 323/325 co-relation queries the response was YES. Maximal size of possible extension queue 1740. Compared 171557 event pairs, 8821 based on Foata normal form. 2/10725 useless extension candidates. Maximal degree in co-relation 33944. Up to 14312 conditions per place. [2023-11-29 03:28:35,874 INFO L140 encePairwiseOnDemand]: 161/164 looper letters, 51 selfloop transitions, 2 changer transitions 0/99 dead transitions. [2023-11-29 03:28:35,874 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 99 transitions, 347 flow [2023-11-29 03:28:35,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:28:35,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:28:35,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 308 transitions. [2023-11-29 03:28:35,876 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6260162601626016 [2023-11-29 03:28:35,876 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 308 transitions. [2023-11-29 03:28:35,876 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 308 transitions. [2023-11-29 03:28:35,877 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:28:35,877 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 308 transitions. [2023-11-29 03:28:35,878 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 102.66666666666667) internal successors, (308), 3 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:35,878 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 164.0) internal successors, (656), 4 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:35,879 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 164.0) internal successors, (656), 4 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:35,879 INFO L175 Difference]: Start difference. First operand has 104 places, 99 transitions, 243 flow. Second operand 3 states and 308 transitions. [2023-11-29 03:28:35,879 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 99 transitions, 347 flow [2023-11-29 03:28:35,880 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 99 transitions, 338 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-11-29 03:28:35,881 INFO L231 Difference]: Finished difference. Result has 102 places, 98 transitions, 234 flow [2023-11-29 03:28:35,881 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=230, PETRI_DIFFERENCE_MINUEND_PLACES=100, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=96, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=234, PETRI_PLACES=102, PETRI_TRANSITIONS=98} [2023-11-29 03:28:35,882 INFO L281 CegarLoopForPetriNet]: 117 programPoint places, -15 predicate places. [2023-11-29 03:28:35,882 INFO L495 AbstractCegarLoop]: Abstraction has has 102 places, 98 transitions, 234 flow [2023-11-29 03:28:35,882 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 86.6) internal successors, (433), 5 states have internal predecessors, (433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:35,882 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:28:35,882 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:28:35,884 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2023-11-29 03:28:36,082 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:28:36,083 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread0Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 70 more)] === [2023-11-29 03:28:36,083 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:28:36,083 INFO L85 PathProgramCache]: Analyzing trace with hash -173033882, now seen corresponding path program 1 times [2023-11-29 03:28:36,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:28:36,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [183989833] [2023-11-29 03:28:36,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:28:36,084 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:28:36,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:28:36,085 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 03:28:36,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-11-29 03:28:36,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:28:36,203 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 03:28:36,205 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:28:36,224 INFO L349 Elim1Store]: treesize reduction 19, result has 26.9 percent of original size [2023-11-29 03:28:36,225 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 15 [2023-11-29 03:28:36,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:36,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:36,250 INFO L349 Elim1Store]: treesize reduction 38, result has 2.6 percent of original size [2023-11-29 03:28:36,250 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 1 [2023-11-29 03:28:36,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:36,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:36,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:36,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:36,291 INFO L349 Elim1Store]: treesize reduction 61, result has 1.6 percent of original size [2023-11-29 03:28:36,291 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 1 [2023-11-29 03:28:36,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:36,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:36,312 INFO L349 Elim1Store]: treesize reduction 38, result has 2.6 percent of original size [2023-11-29 03:28:36,313 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 1 [2023-11-29 03:28:36,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:36,322 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-29 03:28:36,322 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 1 [2023-11-29 03:28:36,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:36,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:36,342 INFO L349 Elim1Store]: treesize reduction 38, result has 2.6 percent of original size [2023-11-29 03:28:36,342 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 1 [2023-11-29 03:28:36,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:36,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:36,369 INFO L349 Elim1Store]: treesize reduction 38, result has 2.6 percent of original size [2023-11-29 03:28:36,370 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 1 [2023-11-29 03:28:36,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:36,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:36,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:36,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:36,403 INFO L349 Elim1Store]: treesize reduction 61, result has 1.6 percent of original size [2023-11-29 03:28:36,404 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 1 [2023-11-29 03:28:36,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:36,411 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-29 03:28:36,411 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 1 [2023-11-29 03:28:36,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:36,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:36,430 INFO L349 Elim1Store]: treesize reduction 38, result has 2.6 percent of original size [2023-11-29 03:28:36,430 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 1 [2023-11-29 03:28:36,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:36,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:36,454 INFO L349 Elim1Store]: treesize reduction 38, result has 2.6 percent of original size [2023-11-29 03:28:36,454 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 1 [2023-11-29 03:28:36,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:36,461 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-29 03:28:36,461 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 1 [2023-11-29 03:28:36,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:36,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:36,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:36,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:36,503 INFO L349 Elim1Store]: treesize reduction 38, result has 2.6 percent of original size [2023-11-29 03:28:36,504 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 1 [2023-11-29 03:28:36,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:36,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:36,524 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-29 03:28:36,524 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 1 [2023-11-29 03:28:36,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:36,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:36,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:36,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:36,561 INFO L349 Elim1Store]: treesize reduction 38, result has 2.6 percent of original size [2023-11-29 03:28:36,562 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 1 [2023-11-29 03:28:36,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:36,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:36,582 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-29 03:28:36,582 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 1 [2023-11-29 03:28:36,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:36,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:36,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:36,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:36,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:36,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:36,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:36,645 INFO L349 Elim1Store]: treesize reduction 61, result has 1.6 percent of original size [2023-11-29 03:28:36,645 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 1 [2023-11-29 03:28:36,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:36,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:36,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:36,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:36,683 INFO L349 Elim1Store]: treesize reduction 38, result has 2.6 percent of original size [2023-11-29 03:28:36,684 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 1 [2023-11-29 03:28:36,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:36,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:36,710 INFO L349 Elim1Store]: treesize reduction 38, result has 2.6 percent of original size [2023-11-29 03:28:36,711 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 1 [2023-11-29 03:28:36,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:36,718 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-29 03:28:36,718 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 1 [2023-11-29 03:28:36,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:36,727 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-29 03:28:36,727 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 1 [2023-11-29 03:28:36,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:36,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:36,750 INFO L349 Elim1Store]: treesize reduction 38, result has 2.6 percent of original size [2023-11-29 03:28:36,750 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 1 [2023-11-29 03:28:36,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:36,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:36,776 INFO L349 Elim1Store]: treesize reduction 38, result has 2.6 percent of original size [2023-11-29 03:28:36,776 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 1 [2023-11-29 03:28:36,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:36,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:36,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:36,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:36,818 INFO L349 Elim1Store]: treesize reduction 61, result has 1.6 percent of original size [2023-11-29 03:28:36,818 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 1 [2023-11-29 03:28:36,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:36,830 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-29 03:28:36,830 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 1 [2023-11-29 03:28:36,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:36,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:36,853 INFO L349 Elim1Store]: treesize reduction 38, result has 2.6 percent of original size [2023-11-29 03:28:36,853 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 1 [2023-11-29 03:28:36,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:36,863 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-29 03:28:36,863 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 1 [2023-11-29 03:28:36,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:36,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:36,884 INFO L349 Elim1Store]: treesize reduction 38, result has 2.6 percent of original size [2023-11-29 03:28:36,884 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 1 [2023-11-29 03:28:36,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:36,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:36,905 INFO L349 Elim1Store]: treesize reduction 38, result has 2.6 percent of original size [2023-11-29 03:28:36,905 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 1 [2023-11-29 03:28:36,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:36,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:36,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:36,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:36,944 INFO L349 Elim1Store]: treesize reduction 61, result has 1.6 percent of original size [2023-11-29 03:28:36,945 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 1 [2023-11-29 03:28:36,964 INFO L349 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2023-11-29 03:28:36,964 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 20 [2023-11-29 03:28:36,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:28:36,977 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:28:36,977 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:28:36,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [183989833] [2023-11-29 03:28:36,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [183989833] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:28:36,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:28:36,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:28:36,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987859949] [2023-11-29 03:28:36,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:28:36,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:28:36,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:28:36,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:28:36,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:28:37,093 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 164 [2023-11-29 03:28:37,093 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 98 transitions, 234 flow. Second operand has 3 states, 3 states have (on average 90.0) internal successors, (270), 3 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:37,093 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:28:37,093 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 164 [2023-11-29 03:28:37,093 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:28:38,897 INFO L124 PetriNetUnfolderBase]: 15485/23463 cut-off events. [2023-11-29 03:28:38,897 INFO L125 PetriNetUnfolderBase]: For 123/125 co-relation queries the response was YES. [2023-11-29 03:28:38,929 INFO L83 FinitePrefix]: Finished finitePrefix Result has 43997 conditions, 23463 events. 15485/23463 cut-off events. For 123/125 co-relation queries the response was YES. Maximal size of possible extension queue 1703. Compared 169718 event pairs, 12819 based on Foata normal form. 0/14730 useless extension candidates. Maximal degree in co-relation 43920. Up to 20179 conditions per place. [2023-11-29 03:28:38,998 INFO L140 encePairwiseOnDemand]: 160/164 looper letters, 51 selfloop transitions, 2 changer transitions 0/97 dead transitions. [2023-11-29 03:28:38,998 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 97 transitions, 338 flow [2023-11-29 03:28:38,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:28:38,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:28:39,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 315 transitions. [2023-11-29 03:28:39,000 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6402439024390244 [2023-11-29 03:28:39,000 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 315 transitions. [2023-11-29 03:28:39,001 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 315 transitions. [2023-11-29 03:28:39,001 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:28:39,001 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 315 transitions. [2023-11-29 03:28:39,002 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 105.0) internal successors, (315), 3 states have internal predecessors, (315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:39,003 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 164.0) internal successors, (656), 4 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:39,003 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 164.0) internal successors, (656), 4 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:39,003 INFO L175 Difference]: Start difference. First operand has 102 places, 98 transitions, 234 flow. Second operand 3 states and 315 transitions. [2023-11-29 03:28:39,003 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 97 transitions, 338 flow [2023-11-29 03:28:39,004 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 97 transitions, 334 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 03:28:39,005 INFO L231 Difference]: Finished difference. Result has 100 places, 96 transitions, 230 flow [2023-11-29 03:28:39,005 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=226, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=230, PETRI_PLACES=100, PETRI_TRANSITIONS=96} [2023-11-29 03:28:39,006 INFO L281 CegarLoopForPetriNet]: 117 programPoint places, -17 predicate places. [2023-11-29 03:28:39,006 INFO L495 AbstractCegarLoop]: Abstraction has has 100 places, 96 transitions, 230 flow [2023-11-29 03:28:39,006 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 90.0) internal successors, (270), 3 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:39,006 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:28:39,006 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:28:39,008 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2023-11-29 03:28:39,206 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:28:39,207 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread0Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 70 more)] === [2023-11-29 03:28:39,207 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:28:39,207 INFO L85 PathProgramCache]: Analyzing trace with hash -213251731, now seen corresponding path program 1 times [2023-11-29 03:28:39,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:28:39,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1615113057] [2023-11-29 03:28:39,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:28:39,207 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:28:39,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:28:39,208 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 03:28:39,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2023-11-29 03:28:39,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:28:39,325 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-29 03:28:39,327 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:28:39,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:39,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:39,350 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 5 [2023-11-29 03:28:39,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:39,477 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2023-11-29 03:28:39,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:39,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:39,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:39,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:39,512 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 1 [2023-11-29 03:28:39,519 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-29 03:28:39,530 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-29 03:28:39,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:39,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:39,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:39,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:39,571 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 1 [2023-11-29 03:28:39,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:39,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:39,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:39,591 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:28:39,601 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-29 03:28:39,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:39,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:39,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:39,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:39,643 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 1 [2023-11-29 03:28:39,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:39,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:39,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:39,661 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:28:39,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:39,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:39,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:39,691 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 22 [2023-11-29 03:28:39,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:39,722 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 1 [2023-11-29 03:28:39,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:39,736 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2023-11-29 03:28:39,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:39,755 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:28:39,762 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-29 03:28:39,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:39,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:39,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:39,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:39,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:39,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:39,821 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2023-11-29 03:28:39,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:39,865 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 1 [2023-11-29 03:28:39,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:39,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:39,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:39,899 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 1 [2023-11-29 03:28:39,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:39,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:39,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:39,976 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2023-11-29 03:28:40,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:28:40,018 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:28:40,018 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:28:40,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1615113057] [2023-11-29 03:28:40,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1615113057] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:28:40,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:28:40,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:28:40,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532204965] [2023-11-29 03:28:40,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:28:40,019 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 03:28:40,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:28:40,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:28:40,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:28:40,390 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 164 [2023-11-29 03:28:40,390 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 96 transitions, 230 flow. Second operand has 4 states, 4 states have (on average 91.25) internal successors, (365), 4 states have internal predecessors, (365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:40,390 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:28:40,390 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 164 [2023-11-29 03:28:40,391 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:28:41,582 INFO L124 PetriNetUnfolderBase]: 10859/17337 cut-off events. [2023-11-29 03:28:41,583 INFO L125 PetriNetUnfolderBase]: For 323/327 co-relation queries the response was YES. [2023-11-29 03:28:41,607 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31993 conditions, 17337 events. 10859/17337 cut-off events. For 323/327 co-relation queries the response was YES. Maximal size of possible extension queue 1246. Compared 129551 event pairs, 8817 based on Foata normal form. 1254/11970 useless extension candidates. Maximal degree in co-relation 31916. Up to 14292 conditions per place. [2023-11-29 03:28:41,659 INFO L140 encePairwiseOnDemand]: 159/164 looper letters, 50 selfloop transitions, 3 changer transitions 0/97 dead transitions. [2023-11-29 03:28:41,659 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 97 transitions, 338 flow [2023-11-29 03:28:41,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 03:28:41,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-29 03:28:41,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 410 transitions. [2023-11-29 03:28:41,661 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.625 [2023-11-29 03:28:41,661 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 410 transitions. [2023-11-29 03:28:41,662 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 410 transitions. [2023-11-29 03:28:41,662 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:28:41,662 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 410 transitions. [2023-11-29 03:28:41,663 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 102.5) internal successors, (410), 4 states have internal predecessors, (410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:41,665 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 164.0) internal successors, (820), 5 states have internal predecessors, (820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:41,665 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 164.0) internal successors, (820), 5 states have internal predecessors, (820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:41,665 INFO L175 Difference]: Start difference. First operand has 100 places, 96 transitions, 230 flow. Second operand 4 states and 410 transitions. [2023-11-29 03:28:41,665 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 97 transitions, 338 flow [2023-11-29 03:28:41,667 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 97 transitions, 334 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 03:28:41,668 INFO L231 Difference]: Finished difference. Result has 99 places, 94 transitions, 228 flow [2023-11-29 03:28:41,668 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=222, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=228, PETRI_PLACES=99, PETRI_TRANSITIONS=94} [2023-11-29 03:28:41,668 INFO L281 CegarLoopForPetriNet]: 117 programPoint places, -18 predicate places. [2023-11-29 03:28:41,669 INFO L495 AbstractCegarLoop]: Abstraction has has 99 places, 94 transitions, 228 flow [2023-11-29 03:28:41,669 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 91.25) internal successors, (365), 4 states have internal predecessors, (365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:41,669 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:28:41,669 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:28:41,671 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2023-11-29 03:28:41,869 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:28:41,869 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread0Err7REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 70 more)] === [2023-11-29 03:28:41,870 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:28:41,870 INFO L85 PathProgramCache]: Analyzing trace with hash -725311407, now seen corresponding path program 1 times [2023-11-29 03:28:41,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:28:41,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1598681930] [2023-11-29 03:28:41,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:28:41,870 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:28:41,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:28:41,871 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 03:28:41,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2023-11-29 03:28:42,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:28:42,009 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-29 03:28:42,011 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:28:42,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:42,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:42,032 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 5 [2023-11-29 03:28:42,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:42,042 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2023-11-29 03:28:42,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:42,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:42,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:42,073 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2023-11-29 03:28:42,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:42,107 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 1 [2023-11-29 03:28:42,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:42,123 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2023-11-29 03:28:42,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:42,145 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:28:42,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:42,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:42,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:42,168 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:28:42,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:42,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:42,203 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:28:42,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:42,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:42,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:42,228 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:28:42,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:42,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:42,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:42,260 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2023-11-29 03:28:42,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:42,289 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 1 [2023-11-29 03:28:42,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:42,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:42,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:42,311 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:28:42,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:42,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:42,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:42,344 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2023-11-29 03:28:42,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:42,372 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 1 [2023-11-29 03:28:42,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:42,390 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2023-11-29 03:28:42,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:42,410 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:28:42,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:42,425 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2023-11-29 03:28:42,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:42,441 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:28:42,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:42,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:42,470 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:28:42,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:42,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:42,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:42,494 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:28:42,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:42,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:42,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:42,513 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:28:42,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:42,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:42,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:42,542 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 1 [2023-11-29 03:28:42,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:42,560 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2023-11-29 03:28:42,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:42,577 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:28:42,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:42,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:42,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:42,608 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2023-11-29 03:28:42,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:42,632 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 1 [2023-11-29 03:28:42,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:42,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:42,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:42,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:42,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:42,747 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2023-11-29 03:28:42,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:42,791 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 1 [2023-11-29 03:28:42,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:42,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:42,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:42,822 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2023-11-29 03:28:42,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:42,850 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 1 [2023-11-29 03:28:42,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:42,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:42,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:42,883 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2023-11-29 03:28:42,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:42,910 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 1 [2023-11-29 03:28:42,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:42,962 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2023-11-29 03:28:43,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:28:43,034 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:28:43,034 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:28:43,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1598681930] [2023-11-29 03:28:43,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1598681930] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:28:43,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:28:43,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:28:43,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295667845] [2023-11-29 03:28:43,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:28:43,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 03:28:43,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:28:43,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:28:43,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:28:43,415 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 164 [2023-11-29 03:28:43,415 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 94 transitions, 228 flow. Second operand has 4 states, 4 states have (on average 91.75) internal successors, (367), 4 states have internal predecessors, (367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:43,415 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:28:43,415 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 164 [2023-11-29 03:28:43,415 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:28:44,618 INFO L124 PetriNetUnfolderBase]: 10859/17129 cut-off events. [2023-11-29 03:28:44,619 INFO L125 PetriNetUnfolderBase]: For 325/329 co-relation queries the response was YES. [2023-11-29 03:28:44,640 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31789 conditions, 17129 events. 10859/17129 cut-off events. For 325/329 co-relation queries the response was YES. Maximal size of possible extension queue 1244. Compared 126078 event pairs, 8817 based on Foata normal form. 212/10928 useless extension candidates. Maximal degree in co-relation 31712. Up to 14292 conditions per place. [2023-11-29 03:28:44,689 INFO L140 encePairwiseOnDemand]: 159/164 looper letters, 50 selfloop transitions, 3 changer transitions 0/95 dead transitions. [2023-11-29 03:28:44,689 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 95 transitions, 336 flow [2023-11-29 03:28:44,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 03:28:44,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-29 03:28:44,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 410 transitions. [2023-11-29 03:28:44,691 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.625 [2023-11-29 03:28:44,691 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 410 transitions. [2023-11-29 03:28:44,691 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 410 transitions. [2023-11-29 03:28:44,691 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:28:44,691 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 410 transitions. [2023-11-29 03:28:44,692 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 102.5) internal successors, (410), 4 states have internal predecessors, (410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:44,693 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 164.0) internal successors, (820), 5 states have internal predecessors, (820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:44,693 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 164.0) internal successors, (820), 5 states have internal predecessors, (820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:44,693 INFO L175 Difference]: Start difference. First operand has 99 places, 94 transitions, 228 flow. Second operand 4 states and 410 transitions. [2023-11-29 03:28:44,693 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 95 transitions, 336 flow [2023-11-29 03:28:44,694 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 95 transitions, 330 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-11-29 03:28:44,695 INFO L231 Difference]: Finished difference. Result has 97 places, 92 transitions, 224 flow [2023-11-29 03:28:44,695 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=218, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=224, PETRI_PLACES=97, PETRI_TRANSITIONS=92} [2023-11-29 03:28:44,696 INFO L281 CegarLoopForPetriNet]: 117 programPoint places, -20 predicate places. [2023-11-29 03:28:44,696 INFO L495 AbstractCegarLoop]: Abstraction has has 97 places, 92 transitions, 224 flow [2023-11-29 03:28:44,696 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 91.75) internal successors, (367), 4 states have internal predecessors, (367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:44,696 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:28:44,696 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:28:44,699 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2023-11-29 03:28:44,896 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:28:44,897 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread0Err6REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 70 more)] === [2023-11-29 03:28:44,897 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:28:44,897 INFO L85 PathProgramCache]: Analyzing trace with hash -891217642, now seen corresponding path program 1 times [2023-11-29 03:28:44,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:28:44,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1288727598] [2023-11-29 03:28:44,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:28:44,898 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:28:44,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:28:44,898 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 03:28:44,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2023-11-29 03:28:45,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:28:45,014 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 03:28:45,016 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:28:45,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:45,041 INFO L349 Elim1Store]: treesize reduction 39, result has 15.2 percent of original size [2023-11-29 03:28:45,041 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 22 [2023-11-29 03:28:45,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:45,050 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-29 03:28:45,051 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 1 [2023-11-29 03:28:45,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:45,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:45,071 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-29 03:28:45,071 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 1 [2023-11-29 03:28:45,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:45,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:45,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:45,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:45,106 INFO L349 Elim1Store]: treesize reduction 38, result has 2.6 percent of original size [2023-11-29 03:28:45,106 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 1 [2023-11-29 03:28:45,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:45,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:45,130 INFO L349 Elim1Store]: treesize reduction 38, result has 2.6 percent of original size [2023-11-29 03:28:45,131 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 1 [2023-11-29 03:28:45,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:45,138 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-29 03:28:45,139 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 1 [2023-11-29 03:28:45,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:45,148 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-29 03:28:45,148 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 1 [2023-11-29 03:28:45,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:45,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:45,170 INFO L349 Elim1Store]: treesize reduction 38, result has 2.6 percent of original size [2023-11-29 03:28:45,170 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 1 [2023-11-29 03:28:45,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:45,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:45,192 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-29 03:28:45,192 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 1 [2023-11-29 03:28:45,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:45,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:45,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:45,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:45,228 INFO L349 Elim1Store]: treesize reduction 38, result has 2.6 percent of original size [2023-11-29 03:28:45,228 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 1 [2023-11-29 03:28:45,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:45,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:45,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:45,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:45,266 INFO L349 Elim1Store]: treesize reduction 38, result has 2.6 percent of original size [2023-11-29 03:28:45,267 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 1 [2023-11-29 03:28:45,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:45,392 INFO L224 Elim1Store]: Index analysis took 118 ms [2023-11-29 03:28:45,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:45,399 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-29 03:28:45,399 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 1 [2023-11-29 03:28:45,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:45,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:45,418 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-29 03:28:45,418 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 1 [2023-11-29 03:28:45,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:45,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:45,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:45,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:45,450 INFO L349 Elim1Store]: treesize reduction 38, result has 2.6 percent of original size [2023-11-29 03:28:45,450 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 1 [2023-11-29 03:28:45,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:45,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:45,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:45,481 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-29 03:28:45,481 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 1 [2023-11-29 03:28:45,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:45,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:45,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:45,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:45,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:45,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:45,530 INFO L349 Elim1Store]: treesize reduction 38, result has 2.6 percent of original size [2023-11-29 03:28:45,530 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 9 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 1 [2023-11-29 03:28:45,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:45,542 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-29 03:28:45,542 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 1 [2023-11-29 03:28:45,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:45,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:45,564 INFO L349 Elim1Store]: treesize reduction 38, result has 2.6 percent of original size [2023-11-29 03:28:45,564 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 1 [2023-11-29 03:28:45,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:45,572 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-29 03:28:45,572 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 1 [2023-11-29 03:28:45,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:45,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:45,594 INFO L349 Elim1Store]: treesize reduction 38, result has 2.6 percent of original size [2023-11-29 03:28:45,594 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 1 [2023-11-29 03:28:45,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:45,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:45,618 INFO L349 Elim1Store]: treesize reduction 38, result has 2.6 percent of original size [2023-11-29 03:28:45,618 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 1 [2023-11-29 03:28:45,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:45,625 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-29 03:28:45,625 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 1 [2023-11-29 03:28:45,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:45,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:45,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:45,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:45,663 INFO L349 Elim1Store]: treesize reduction 38, result has 2.6 percent of original size [2023-11-29 03:28:45,663 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 1 [2023-11-29 03:28:45,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:45,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:45,681 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-29 03:28:45,682 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 1 [2023-11-29 03:28:45,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:45,690 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-29 03:28:45,690 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 1 [2023-11-29 03:28:45,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:45,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:45,712 INFO L349 Elim1Store]: treesize reduction 38, result has 2.6 percent of original size [2023-11-29 03:28:45,712 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 1 [2023-11-29 03:28:45,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:45,719 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-29 03:28:45,719 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 1 [2023-11-29 03:28:45,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:45,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:45,740 INFO L349 Elim1Store]: treesize reduction 38, result has 2.6 percent of original size [2023-11-29 03:28:45,740 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 1 [2023-11-29 03:28:45,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:45,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:45,760 INFO L349 Elim1Store]: treesize reduction 38, result has 2.6 percent of original size [2023-11-29 03:28:45,760 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 1 [2023-11-29 03:28:45,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:45,767 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-29 03:28:45,767 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 1 [2023-11-29 03:28:45,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:45,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:45,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:45,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:45,802 INFO L349 Elim1Store]: treesize reduction 38, result has 2.6 percent of original size [2023-11-29 03:28:45,802 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 1 [2023-11-29 03:28:45,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:45,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:45,819 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-29 03:28:45,819 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 1 [2023-11-29 03:28:45,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:45,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:45,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:45,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:45,854 INFO L349 Elim1Store]: treesize reduction 38, result has 2.6 percent of original size [2023-11-29 03:28:45,854 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 1 [2023-11-29 03:28:45,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:45,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:45,871 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-29 03:28:45,872 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 1 [2023-11-29 03:28:45,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:45,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:45,895 INFO L349 Elim1Store]: treesize reduction 38, result has 2.6 percent of original size [2023-11-29 03:28:45,895 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 1 [2023-11-29 03:28:45,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:45,901 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-29 03:28:45,901 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 1 [2023-11-29 03:28:45,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:45,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:45,923 INFO L349 Elim1Store]: treesize reduction 38, result has 2.6 percent of original size [2023-11-29 03:28:45,923 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 1 [2023-11-29 03:28:45,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:45,930 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-29 03:28:45,930 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 1 [2023-11-29 03:28:45,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:45,939 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-29 03:28:45,939 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 1 [2023-11-29 03:28:45,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:45,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:45,963 INFO L349 Elim1Store]: treesize reduction 38, result has 2.6 percent of original size [2023-11-29 03:28:45,963 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 1 [2023-11-29 03:28:45,983 INFO L349 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2023-11-29 03:28:45,983 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 20 [2023-11-29 03:28:46,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:28:46,000 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:28:46,000 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:28:46,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1288727598] [2023-11-29 03:28:46,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1288727598] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:28:46,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:28:46,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:28:46,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666552716] [2023-11-29 03:28:46,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:28:46,001 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:28:46,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:28:46,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:28:46,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:28:46,103 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 164 [2023-11-29 03:28:46,104 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 92 transitions, 224 flow. Second operand has 3 states, 3 states have (on average 90.66666666666667) internal successors, (272), 3 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:46,104 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:28:46,104 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 164 [2023-11-29 03:28:46,104 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:28:47,385 INFO L124 PetriNetUnfolderBase]: 11597/17759 cut-off events. [2023-11-29 03:28:47,385 INFO L125 PetriNetUnfolderBase]: For 286/288 co-relation queries the response was YES. [2023-11-29 03:28:47,410 INFO L83 FinitePrefix]: Finished finitePrefix Result has 33417 conditions, 17759 events. 11597/17759 cut-off events. For 286/288 co-relation queries the response was YES. Maximal size of possible extension queue 1249. Compared 125736 event pairs, 9427 based on Foata normal form. 0/11188 useless extension candidates. Maximal degree in co-relation 33340. Up to 15299 conditions per place. [2023-11-29 03:28:47,477 INFO L140 encePairwiseOnDemand]: 160/164 looper letters, 51 selfloop transitions, 2 changer transitions 0/91 dead transitions. [2023-11-29 03:28:47,477 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 91 transitions, 328 flow [2023-11-29 03:28:47,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:28:47,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:28:47,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 315 transitions. [2023-11-29 03:28:47,478 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6402439024390244 [2023-11-29 03:28:47,479 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 315 transitions. [2023-11-29 03:28:47,479 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 315 transitions. [2023-11-29 03:28:47,479 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:28:47,479 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 315 transitions. [2023-11-29 03:28:47,480 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 105.0) internal successors, (315), 3 states have internal predecessors, (315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:47,481 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 164.0) internal successors, (656), 4 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:47,481 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 164.0) internal successors, (656), 4 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:47,481 INFO L175 Difference]: Start difference. First operand has 97 places, 92 transitions, 224 flow. Second operand 3 states and 315 transitions. [2023-11-29 03:28:47,481 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 91 transitions, 328 flow [2023-11-29 03:28:47,482 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 91 transitions, 322 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-11-29 03:28:47,483 INFO L231 Difference]: Finished difference. Result has 94 places, 90 transitions, 218 flow [2023-11-29 03:28:47,483 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=214, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=218, PETRI_PLACES=94, PETRI_TRANSITIONS=90} [2023-11-29 03:28:47,484 INFO L281 CegarLoopForPetriNet]: 117 programPoint places, -23 predicate places. [2023-11-29 03:28:47,484 INFO L495 AbstractCegarLoop]: Abstraction has has 94 places, 90 transitions, 218 flow [2023-11-29 03:28:47,484 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 90.66666666666667) internal successors, (272), 3 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:47,484 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:28:47,484 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:28:47,487 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Ended with exit code 0 [2023-11-29 03:28:47,685 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:28:47,685 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 70 more)] === [2023-11-29 03:28:47,685 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:28:47,685 INFO L85 PathProgramCache]: Analyzing trace with hash -891216299, now seen corresponding path program 1 times [2023-11-29 03:28:47,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:28:47,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1876632828] [2023-11-29 03:28:47,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:28:47,686 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:28:47,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:28:47,687 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 03:28:47,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2023-11-29 03:28:47,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:28:47,777 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 03:28:47,778 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:28:47,781 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2023-11-29 03:28:47,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:28:47,796 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:28:47,796 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:28:47,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1876632828] [2023-11-29 03:28:47,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1876632828] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:28:47,796 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:28:47,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:28:47,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022845917] [2023-11-29 03:28:47,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:28:47,797 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:28:47,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:28:47,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:28:47,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:28:47,900 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 164 [2023-11-29 03:28:47,900 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 90 transitions, 218 flow. Second operand has 3 states, 3 states have (on average 92.33333333333333) internal successors, (277), 3 states have internal predecessors, (277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:47,900 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:28:47,900 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 164 [2023-11-29 03:28:47,900 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:28:48,516 INFO L124 PetriNetUnfolderBase]: 4538/7316 cut-off events. [2023-11-29 03:28:48,516 INFO L125 PetriNetUnfolderBase]: For 181/185 co-relation queries the response was YES. [2023-11-29 03:28:48,533 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13609 conditions, 7316 events. 4538/7316 cut-off events. For 181/185 co-relation queries the response was YES. Maximal size of possible extension queue 445. Compared 47545 event pairs, 3592 based on Foata normal form. 2/5325 useless extension candidates. Maximal degree in co-relation 13532. Up to 6077 conditions per place. [2023-11-29 03:28:48,563 INFO L140 encePairwiseOnDemand]: 155/164 looper letters, 44 selfloop transitions, 5 changer transitions 0/87 dead transitions. [2023-11-29 03:28:48,563 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 87 transitions, 310 flow [2023-11-29 03:28:48,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:28:48,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:28:48,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 320 transitions. [2023-11-29 03:28:48,565 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6504065040650406 [2023-11-29 03:28:48,565 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 320 transitions. [2023-11-29 03:28:48,565 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 320 transitions. [2023-11-29 03:28:48,565 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:28:48,566 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 320 transitions. [2023-11-29 03:28:48,566 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 106.66666666666667) internal successors, (320), 3 states have internal predecessors, (320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:48,568 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 164.0) internal successors, (656), 4 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:48,568 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 164.0) internal successors, (656), 4 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:48,568 INFO L175 Difference]: Start difference. First operand has 94 places, 90 transitions, 218 flow. Second operand 3 states and 320 transitions. [2023-11-29 03:28:48,568 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 87 transitions, 310 flow [2023-11-29 03:28:48,569 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 87 transitions, 306 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 03:28:48,571 INFO L231 Difference]: Finished difference. Result has 89 places, 85 transitions, 214 flow [2023-11-29 03:28:48,571 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=204, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=214, PETRI_PLACES=89, PETRI_TRANSITIONS=85} [2023-11-29 03:28:48,572 INFO L281 CegarLoopForPetriNet]: 117 programPoint places, -28 predicate places. [2023-11-29 03:28:48,572 INFO L495 AbstractCegarLoop]: Abstraction has has 89 places, 85 transitions, 214 flow [2023-11-29 03:28:48,572 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 92.33333333333333) internal successors, (277), 3 states have internal predecessors, (277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:48,572 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:28:48,572 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:28:48,574 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Ended with exit code 0 [2023-11-29 03:28:48,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:28:48,773 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 70 more)] === [2023-11-29 03:28:48,773 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:28:48,773 INFO L85 PathProgramCache]: Analyzing trace with hash -725310064, now seen corresponding path program 1 times [2023-11-29 03:28:48,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:28:48,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1417988443] [2023-11-29 03:28:48,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:28:48,773 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:28:48,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:28:48,774 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 03:28:48,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2023-11-29 03:28:48,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:28:48,877 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 03:28:48,878 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:28:48,881 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-29 03:28:48,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:28:48,903 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:28:48,903 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:28:48,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1417988443] [2023-11-29 03:28:48,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1417988443] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:28:48,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:28:48,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:28:48,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589279184] [2023-11-29 03:28:48,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:28:48,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:28:48,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:28:48,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:28:48,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:28:49,076 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 164 [2023-11-29 03:28:49,077 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 85 transitions, 214 flow. Second operand has 3 states, 3 states have (on average 92.33333333333333) internal successors, (277), 3 states have internal predecessors, (277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:49,077 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:28:49,077 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 164 [2023-11-29 03:28:49,077 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:28:49,309 INFO L124 PetriNetUnfolderBase]: 1487/2547 cut-off events. [2023-11-29 03:28:49,309 INFO L125 PetriNetUnfolderBase]: For 99/103 co-relation queries the response was YES. [2023-11-29 03:28:49,313 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4733 conditions, 2547 events. 1487/2547 cut-off events. For 99/103 co-relation queries the response was YES. Maximal size of possible extension queue 133. Compared 13710 event pairs, 1115 based on Foata normal form. 4/2266 useless extension candidates. Maximal degree in co-relation 4658. Up to 2064 conditions per place. [2023-11-29 03:28:49,320 INFO L140 encePairwiseOnDemand]: 157/164 looper letters, 43 selfloop transitions, 1 changer transitions 0/81 dead transitions. [2023-11-29 03:28:49,320 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 81 transitions, 294 flow [2023-11-29 03:28:49,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:28:49,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:28:49,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 316 transitions. [2023-11-29 03:28:49,321 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6422764227642277 [2023-11-29 03:28:49,321 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 316 transitions. [2023-11-29 03:28:49,321 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 316 transitions. [2023-11-29 03:28:49,322 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:28:49,322 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 316 transitions. [2023-11-29 03:28:49,323 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 105.33333333333333) internal successors, (316), 3 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:49,324 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 164.0) internal successors, (656), 4 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:49,324 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 164.0) internal successors, (656), 4 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:49,324 INFO L175 Difference]: Start difference. First operand has 89 places, 85 transitions, 214 flow. Second operand 3 states and 316 transitions. [2023-11-29 03:28:49,324 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 81 transitions, 294 flow [2023-11-29 03:28:49,325 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 81 transitions, 284 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 03:28:49,327 INFO L231 Difference]: Finished difference. Result has 83 places, 79 transitions, 194 flow [2023-11-29 03:28:49,327 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=192, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=194, PETRI_PLACES=83, PETRI_TRANSITIONS=79} [2023-11-29 03:28:49,328 INFO L281 CegarLoopForPetriNet]: 117 programPoint places, -34 predicate places. [2023-11-29 03:28:49,328 INFO L495 AbstractCegarLoop]: Abstraction has has 83 places, 79 transitions, 194 flow [2023-11-29 03:28:49,328 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 92.33333333333333) internal successors, (277), 3 states have internal predecessors, (277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:49,328 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:28:49,328 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:28:49,331 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Ended with exit code 0 [2023-11-29 03:28:49,528 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:28:49,529 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread0Err8REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 70 more)] === [2023-11-29 03:28:49,529 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:28:49,529 INFO L85 PathProgramCache]: Analyzing trace with hash 228718350, now seen corresponding path program 1 times [2023-11-29 03:28:49,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:28:49,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [181248925] [2023-11-29 03:28:49,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:28:49,529 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:28:49,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:28:49,530 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 03:28:49,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2023-11-29 03:28:49,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:28:49,647 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 03:28:49,649 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:28:49,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:49,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:49,682 INFO L349 Elim1Store]: treesize reduction 19, result has 26.9 percent of original size [2023-11-29 03:28:49,682 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 15 [2023-11-29 03:28:49,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:49,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:49,705 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-29 03:28:49,705 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 1 [2023-11-29 03:28:49,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:49,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:49,724 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-29 03:28:49,725 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 1 [2023-11-29 03:28:49,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:49,734 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-29 03:28:49,734 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 1 [2023-11-29 03:28:49,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:49,740 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-29 03:28:49,740 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 1 [2023-11-29 03:28:49,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:49,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:49,758 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-29 03:28:49,758 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 1 [2023-11-29 03:28:49,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:49,767 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-29 03:28:49,768 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 1 [2023-11-29 03:28:49,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:49,775 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-29 03:28:49,776 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 1 [2023-11-29 03:28:49,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:49,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:49,795 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-29 03:28:49,796 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 1 [2023-11-29 03:28:49,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:49,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:49,817 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-29 03:28:49,817 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 1 [2023-11-29 03:28:49,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:49,824 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-29 03:28:49,824 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 1 [2023-11-29 03:28:49,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:49,832 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-29 03:28:49,832 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 1 [2023-11-29 03:28:49,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:49,842 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-29 03:28:49,843 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 1 [2023-11-29 03:28:49,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:49,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:49,861 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-29 03:28:49,862 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 1 [2023-11-29 03:28:49,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:49,869 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-29 03:28:49,870 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 1 [2023-11-29 03:28:49,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:49,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:49,891 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-29 03:28:49,892 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 1 [2023-11-29 03:28:49,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:49,899 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-29 03:28:49,899 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 1 [2023-11-29 03:28:49,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:49,907 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-29 03:28:49,907 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 1 [2023-11-29 03:28:49,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:49,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:49,931 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-29 03:28:49,932 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 1 [2023-11-29 03:28:49,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:49,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:49,951 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-29 03:28:49,952 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 1 [2023-11-29 03:28:49,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:49,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:49,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:49,983 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-29 03:28:49,984 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 1 [2023-11-29 03:28:49,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:49,994 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-29 03:28:49,994 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 1 [2023-11-29 03:28:49,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:50,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:50,015 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-29 03:28:50,015 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 1 [2023-11-29 03:28:50,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:50,024 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-29 03:28:50,024 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 1 [2023-11-29 03:28:50,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:50,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:50,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:50,060 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-29 03:28:50,061 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 1 [2023-11-29 03:28:50,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:50,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:50,082 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-29 03:28:50,083 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 1 [2023-11-29 03:28:50,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:50,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:50,104 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-29 03:28:50,105 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 1 [2023-11-29 03:28:50,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:50,113 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-29 03:28:50,114 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 1 [2023-11-29 03:28:50,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:50,121 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-29 03:28:50,121 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 1 [2023-11-29 03:28:50,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:50,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:50,198 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-29 03:28:50,199 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 1 [2023-11-29 03:28:50,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:50,209 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-29 03:28:50,209 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 1 [2023-11-29 03:28:50,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:50,217 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-29 03:28:50,218 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 1 [2023-11-29 03:28:50,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:50,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:50,239 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-29 03:28:50,239 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 1 [2023-11-29 03:28:50,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:50,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:50,261 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-29 03:28:50,262 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 1 [2023-11-29 03:28:50,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:50,270 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-29 03:28:50,270 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 1 [2023-11-29 03:28:50,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:50,278 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-29 03:28:50,279 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 1 [2023-11-29 03:28:50,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:50,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:50,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:50,315 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-29 03:28:50,315 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 1 [2023-11-29 03:28:50,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:50,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:50,335 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-29 03:28:50,336 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 1 [2023-11-29 03:28:50,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:50,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:50,353 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-29 03:28:50,354 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 1 [2023-11-29 03:28:50,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:50,362 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-29 03:28:50,362 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 1 [2023-11-29 03:28:50,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:50,369 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-29 03:28:50,369 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 1 [2023-11-29 03:28:50,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:50,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:50,389 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-29 03:28:50,389 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 1 [2023-11-29 03:28:50,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:50,398 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-29 03:28:50,399 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 1 [2023-11-29 03:28:50,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:50,406 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-29 03:28:50,406 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 1 [2023-11-29 03:28:50,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:50,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:50,425 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-29 03:28:50,425 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 1 [2023-11-29 03:28:50,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:50,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:50,446 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-29 03:28:50,446 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 1 [2023-11-29 03:28:50,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:50,453 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-29 03:28:50,453 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 1 [2023-11-29 03:28:50,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:50,461 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-29 03:28:50,461 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 1 [2023-11-29 03:28:50,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:50,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:50,485 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-29 03:28:50,486 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 1 [2023-11-29 03:28:50,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:50,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:50,505 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-29 03:28:50,505 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 1 [2023-11-29 03:28:50,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:50,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:50,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:50,532 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-29 03:28:50,532 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 1 [2023-11-29 03:28:50,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:50,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:50,553 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-29 03:28:50,553 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 1 [2023-11-29 03:28:50,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:50,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:50,571 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-29 03:28:50,572 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 1 [2023-11-29 03:28:50,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:50,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:50,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:50,598 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-29 03:28:50,598 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 1 [2023-11-29 03:28:50,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:50,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:50,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:50,630 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-29 03:28:50,631 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 1 [2023-11-29 03:28:50,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:50,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:50,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:50,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:50,677 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-29 03:28:50,677 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 1 [2023-11-29 03:28:50,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:50,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:50,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:50,707 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-29 03:28:50,708 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 1 [2023-11-29 03:28:50,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:50,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:50,727 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-29 03:28:50,727 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 1 [2023-11-29 03:28:50,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:50,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:50,744 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-29 03:28:50,744 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 1 [2023-11-29 03:28:50,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:50,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:50,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:50,771 INFO L349 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2023-11-29 03:28:50,771 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 1 [2023-11-29 03:28:50,788 INFO L349 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2023-11-29 03:28:50,789 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 20 [2023-11-29 03:28:50,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:28:50,806 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:28:50,806 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:28:50,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [181248925] [2023-11-29 03:28:50,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [181248925] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:28:50,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:28:50,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:28:50,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580885495] [2023-11-29 03:28:50,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:28:50,807 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:28:50,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:28:50,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:28:50,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:28:50,914 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 164 [2023-11-29 03:28:50,915 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 79 transitions, 194 flow. Second operand has 3 states, 3 states have (on average 91.33333333333333) internal successors, (274), 3 states have internal predecessors, (274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:50,915 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:28:50,915 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 164 [2023-11-29 03:28:50,915 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:28:51,176 INFO L124 PetriNetUnfolderBase]: 1553/2617 cut-off events. [2023-11-29 03:28:51,177 INFO L125 PetriNetUnfolderBase]: For 85/85 co-relation queries the response was YES. [2023-11-29 03:28:51,181 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4898 conditions, 2617 events. 1553/2617 cut-off events. For 85/85 co-relation queries the response was YES. Maximal size of possible extension queue 133. Compared 13823 event pairs, 1163 based on Foata normal form. 0/2378 useless extension candidates. Maximal degree in co-relation 4830. Up to 2159 conditions per place. [2023-11-29 03:28:51,187 INFO L140 encePairwiseOnDemand]: 160/164 looper letters, 43 selfloop transitions, 2 changer transitions 0/78 dead transitions. [2023-11-29 03:28:51,187 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 78 transitions, 282 flow [2023-11-29 03:28:51,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:28:51,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:28:51,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 307 transitions. [2023-11-29 03:28:51,189 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6239837398373984 [2023-11-29 03:28:51,189 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 307 transitions. [2023-11-29 03:28:51,189 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 307 transitions. [2023-11-29 03:28:51,189 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:28:51,189 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 307 transitions. [2023-11-29 03:28:51,190 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 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) [2023-11-29 03:28:51,191 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 164.0) internal successors, (656), 4 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:51,192 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 164.0) internal successors, (656), 4 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:51,192 INFO L175 Difference]: Start difference. First operand has 83 places, 79 transitions, 194 flow. Second operand 3 states and 307 transitions. [2023-11-29 03:28:51,192 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 78 transitions, 282 flow [2023-11-29 03:28:51,193 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 78 transitions, 281 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 03:28:51,194 INFO L231 Difference]: Finished difference. Result has 82 places, 77 transitions, 193 flow [2023-11-29 03:28:51,194 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=189, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=193, PETRI_PLACES=82, PETRI_TRANSITIONS=77} [2023-11-29 03:28:51,195 INFO L281 CegarLoopForPetriNet]: 117 programPoint places, -35 predicate places. [2023-11-29 03:28:51,195 INFO L495 AbstractCegarLoop]: Abstraction has has 82 places, 77 transitions, 193 flow [2023-11-29 03:28:51,195 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.33333333333333) internal successors, (274), 3 states have internal predecessors, (274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:51,195 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:28:51,195 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:28:51,198 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Ended with exit code 0 [2023-11-29 03:28:51,396 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:28:51,396 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread0Err9REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 70 more)] === [2023-11-29 03:28:51,396 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:28:51,396 INFO L85 PathProgramCache]: Analyzing trace with hash -373286675, now seen corresponding path program 1 times [2023-11-29 03:28:51,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:28:51,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [410740868] [2023-11-29 03:28:51,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:28:51,397 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:28:51,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:28:51,398 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 03:28:51,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2023-11-29 03:28:51,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:28:51,513 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-29 03:28:51,515 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:28:51,534 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 5 [2023-11-29 03:28:51,541 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:28:51,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:51,547 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:28:51,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:51,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:51,560 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:51,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:51,566 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:28:51,569 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:28:51,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:51,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:51,582 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:28:51,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:51,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:51,600 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:28:51,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:51,607 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:28:51,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:51,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:51,617 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:51,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:51,621 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:28:51,624 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:28:51,632 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:28:51,635 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:28:51,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:51,640 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:28:51,646 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:28:51,649 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:28:51,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:51,654 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:28:51,659 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:28:51,663 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:28:51,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:51,668 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:28:51,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:51,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:51,681 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:28:51,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:51,687 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:28:51,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:51,693 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:28:51,700 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:28:51,704 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:28:51,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:51,710 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:28:51,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:51,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:51,722 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:51,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:51,728 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:28:51,732 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:28:51,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:51,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:51,745 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:28:51,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:51,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:51,766 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:28:51,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:51,771 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:28:51,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:51,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:51,784 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:51,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:51,789 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:28:51,793 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:28:51,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:51,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:51,811 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:28:51,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:51,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:51,824 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:28:51,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:51,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:51,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:51,843 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:28:51,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:51,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:51,856 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:28:51,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:51,862 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:28:51,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:51,868 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:28:51,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:51,875 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:28:51,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:51,881 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:28:51,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:51,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:51,891 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:28:51,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:51,902 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:28:51,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:51,909 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:28:51,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:51,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:51,920 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:28:51,928 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:28:51,932 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:28:51,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:51,937 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:28:51,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:51,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:51,950 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:51,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:51,956 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:28:51,960 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:28:51,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:51,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:51,974 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:28:51,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:51,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:51,994 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:28:52,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:52,001 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:28:52,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:52,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:52,012 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:52,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:52,017 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:28:52,020 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:28:52,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:52,058 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2023-11-29 03:28:52,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:28:52,192 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:28:52,192 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:28:52,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [410740868] [2023-11-29 03:28:52,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [410740868] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:28:52,192 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:28:52,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:28:52,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189538578] [2023-11-29 03:28:52,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:28:52,193 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 03:28:52,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:28:52,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:28:52,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:28:52,510 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 164 [2023-11-29 03:28:52,511 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 77 transitions, 193 flow. Second operand has 4 states, 4 states have (on average 92.25) internal successors, (369), 4 states have internal predecessors, (369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:52,511 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:28:52,511 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 164 [2023-11-29 03:28:52,511 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:28:52,883 INFO L124 PetriNetUnfolderBase]: 1487/2499 cut-off events. [2023-11-29 03:28:52,883 INFO L125 PetriNetUnfolderBase]: For 91/95 co-relation queries the response was YES. [2023-11-29 03:28:52,887 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4683 conditions, 2499 events. 1487/2499 cut-off events. For 91/95 co-relation queries the response was YES. Maximal size of possible extension queue 133. Compared 13199 event pairs, 1113 based on Foata normal form. 32/2294 useless extension candidates. Maximal degree in co-relation 4612. Up to 2048 conditions per place. [2023-11-29 03:28:52,892 INFO L140 encePairwiseOnDemand]: 159/164 looper letters, 42 selfloop transitions, 3 changer transitions 0/78 dead transitions. [2023-11-29 03:28:52,892 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 78 transitions, 285 flow [2023-11-29 03:28:52,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 03:28:52,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-29 03:28:52,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 402 transitions. [2023-11-29 03:28:52,894 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6128048780487805 [2023-11-29 03:28:52,894 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 402 transitions. [2023-11-29 03:28:52,894 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 402 transitions. [2023-11-29 03:28:52,895 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:28:52,895 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 402 transitions. [2023-11-29 03:28:52,896 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 100.5) internal successors, (402), 4 states have internal predecessors, (402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:52,896 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 164.0) internal successors, (820), 5 states have internal predecessors, (820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:52,897 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 164.0) internal successors, (820), 5 states have internal predecessors, (820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:52,897 INFO L175 Difference]: Start difference. First operand has 82 places, 77 transitions, 193 flow. Second operand 4 states and 402 transitions. [2023-11-29 03:28:52,897 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 78 transitions, 285 flow [2023-11-29 03:28:52,898 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 78 transitions, 281 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 03:28:52,899 INFO L231 Difference]: Finished difference. Result has 81 places, 75 transitions, 191 flow [2023-11-29 03:28:52,899 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=185, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=191, PETRI_PLACES=81, PETRI_TRANSITIONS=75} [2023-11-29 03:28:52,899 INFO L281 CegarLoopForPetriNet]: 117 programPoint places, -36 predicate places. [2023-11-29 03:28:52,899 INFO L495 AbstractCegarLoop]: Abstraction has has 81 places, 75 transitions, 191 flow [2023-11-29 03:28:52,899 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 92.25) internal successors, (369), 4 states have internal predecessors, (369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:52,899 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:28:52,900 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:28:52,903 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Ended with exit code 0 [2023-11-29 03:28:53,100 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:28:53,100 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting thread0Err10REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 70 more)] === [2023-11-29 03:28:53,100 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:28:53,100 INFO L85 PathProgramCache]: Analyzing trace with hash 973575160, now seen corresponding path program 1 times [2023-11-29 03:28:53,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:28:53,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1463589231] [2023-11-29 03:28:53,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:28:53,101 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:28:53,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:28:53,101 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 03:28:53,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2023-11-29 03:28:53,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:28:53,224 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 03:28:53,225 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:28:53,232 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-29 03:28:53,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:53,244 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:28:53,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:53,249 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:53,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:53,252 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-29 03:28:53,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:53,258 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:53,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:53,261 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-29 03:28:53,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:53,271 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:28:53,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:53,275 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:53,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:53,280 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:53,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:53,283 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-29 03:28:53,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:53,288 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:53,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:53,291 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-29 03:28:53,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:53,302 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:28:53,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:53,308 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:53,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:53,313 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:53,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:53,316 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-29 03:28:53,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:53,320 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:53,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:53,323 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-29 03:28:53,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:53,335 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:28:53,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:53,340 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:53,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:53,346 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:53,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:53,356 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:28:53,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:53,373 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 1 [2023-11-29 03:28:53,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:53,383 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:28:53,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:53,399 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:28:53,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:53,405 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:53,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:53,423 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 1 [2023-11-29 03:28:53,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:53,434 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:28:53,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:53,447 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:28:53,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:53,452 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:53,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:53,462 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:53,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:53,475 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:28:53,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:53,495 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 1 [2023-11-29 03:28:53,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:53,506 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:28:53,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:53,519 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:28:53,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:53,524 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:53,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:53,547 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 1 [2023-11-29 03:28:53,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:53,559 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:28:53,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:53,580 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 1 [2023-11-29 03:28:53,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:53,591 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:28:53,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:53,627 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 1 [2023-11-29 03:28:53,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:53,647 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 1 [2023-11-29 03:28:53,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:53,662 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:28:53,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:53,668 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:53,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:53,675 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:53,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:53,687 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:28:53,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:53,706 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 1 [2023-11-29 03:28:53,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:53,718 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:28:53,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:53,727 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:53,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:53,730 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-29 03:28:53,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:53,741 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:28:53,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:53,747 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:53,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:53,753 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:53,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:53,757 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-29 03:28:53,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:53,772 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:28:53,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:53,790 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 1 [2023-11-29 03:28:53,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:53,798 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:53,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:53,810 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:28:53,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:53,822 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:28:53,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:53,828 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:53,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:53,835 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:53,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:53,838 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-29 03:28:53,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:53,843 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:53,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:53,846 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-29 03:28:53,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:53,858 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:28:53,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:53,863 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:53,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:53,875 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:28:53,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:53,880 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:53,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:53,886 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:53,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:53,889 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-29 03:28:53,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:53,895 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:53,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:53,898 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-29 03:28:53,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:53,908 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:53,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:53,918 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:28:53,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:53,925 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:53,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:53,928 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-29 03:28:53,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:53,935 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:53,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:53,938 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-29 03:28:53,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:53,946 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:53,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:53,957 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:28:53,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:53,963 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:53,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:53,967 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-29 03:28:53,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:53,973 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:53,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:53,977 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-29 03:28:53,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:53,986 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:53,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:53,997 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:28:54,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:54,011 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:28:54,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:54,031 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 1 [2023-11-29 03:28:54,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:54,038 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:54,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:54,048 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:28:54,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:54,056 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:54,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:54,059 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-29 03:28:54,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:54,065 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:54,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:54,068 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-29 03:28:54,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:54,080 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:28:54,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:54,085 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:54,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:54,095 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:54,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:54,105 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:28:54,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:54,119 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:28:54,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:54,148 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 1 [2023-11-29 03:28:54,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:54,158 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:28:54,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:54,164 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:54,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:54,170 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:54,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:54,173 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-29 03:28:54,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:54,178 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:54,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:54,181 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-29 03:28:54,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:54,190 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:28:54,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:54,195 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:54,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:54,205 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:28:54,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:54,210 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:54,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:54,215 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:54,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:54,218 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-29 03:28:54,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:54,223 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:54,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:54,226 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-29 03:28:54,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:54,231 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:54,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:54,234 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-29 03:28:54,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:54,244 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:28:54,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:54,249 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:54,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:54,254 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:54,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:54,257 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-29 03:28:54,272 INFO L349 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2023-11-29 03:28:54,272 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 20 [2023-11-29 03:28:54,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:28:54,293 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:28:54,293 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:28:54,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1463589231] [2023-11-29 03:28:54,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1463589231] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:28:54,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:28:54,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:28:54,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110501839] [2023-11-29 03:28:54,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:28:54,294 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:28:54,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:28:54,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:28:54,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:28:54,382 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 164 [2023-11-29 03:28:54,383 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 75 transitions, 191 flow. Second operand has 3 states, 3 states have (on average 92.0) internal successors, (276), 3 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:54,383 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:28:54,383 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 164 [2023-11-29 03:28:54,383 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:28:54,622 INFO L124 PetriNetUnfolderBase]: 1629/2639 cut-off events. [2023-11-29 03:28:54,622 INFO L125 PetriNetUnfolderBase]: For 91/93 co-relation queries the response was YES. [2023-11-29 03:28:54,626 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5029 conditions, 2639 events. 1629/2639 cut-off events. For 91/93 co-relation queries the response was YES. Maximal size of possible extension queue 136. Compared 13467 event pairs, 1227 based on Foata normal form. 0/2480 useless extension candidates. Maximal degree in co-relation 4958. Up to 2259 conditions per place. [2023-11-29 03:28:54,632 INFO L140 encePairwiseOnDemand]: 160/164 looper letters, 43 selfloop transitions, 2 changer transitions 0/74 dead transitions. [2023-11-29 03:28:54,632 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 74 transitions, 279 flow [2023-11-29 03:28:54,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:28:54,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:28:54,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 307 transitions. [2023-11-29 03:28:54,633 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6239837398373984 [2023-11-29 03:28:54,633 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 307 transitions. [2023-11-29 03:28:54,633 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 307 transitions. [2023-11-29 03:28:54,633 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:28:54,633 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 307 transitions. [2023-11-29 03:28:54,634 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 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) [2023-11-29 03:28:54,635 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 164.0) internal successors, (656), 4 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:54,635 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 164.0) internal successors, (656), 4 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:54,635 INFO L175 Difference]: Start difference. First operand has 81 places, 75 transitions, 191 flow. Second operand 3 states and 307 transitions. [2023-11-29 03:28:54,635 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 74 transitions, 279 flow [2023-11-29 03:28:54,636 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 74 transitions, 273 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-11-29 03:28:54,637 INFO L231 Difference]: Finished difference. Result has 78 places, 73 transitions, 185 flow [2023-11-29 03:28:54,637 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=181, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=185, PETRI_PLACES=78, PETRI_TRANSITIONS=73} [2023-11-29 03:28:54,637 INFO L281 CegarLoopForPetriNet]: 117 programPoint places, -39 predicate places. [2023-11-29 03:28:54,637 INFO L495 AbstractCegarLoop]: Abstraction has has 78 places, 73 transitions, 185 flow [2023-11-29 03:28:54,638 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 92.0) internal successors, (276), 3 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:54,638 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:28:54,638 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:28:54,640 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Ended with exit code 0 [2023-11-29 03:28:54,838 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:28:54,838 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting thread0Err11REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 70 more)] === [2023-11-29 03:28:54,838 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:28:54,838 INFO L85 PathProgramCache]: Analyzing trace with hash 973575161, now seen corresponding path program 1 times [2023-11-29 03:28:54,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:28:54,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1600072338] [2023-11-29 03:28:54,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:28:54,839 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:28:54,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:28:54,840 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 03:28:54,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2023-11-29 03:28:54,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:28:54,968 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 03:28:54,970 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:28:54,983 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-29 03:28:54,987 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 5 [2023-11-29 03:28:55,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:55,006 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:28:55,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:55,030 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 1 [2023-11-29 03:28:55,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:55,041 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:28:55,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:55,049 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:55,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:55,063 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:28:55,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:55,073 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:55,078 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-29 03:28:55,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:55,083 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-29 03:28:55,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:55,098 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:28:55,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:55,105 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:55,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:55,113 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:55,117 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-29 03:28:55,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:55,123 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-29 03:28:55,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:55,133 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:55,137 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-29 03:28:55,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:55,144 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-29 03:28:55,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:55,159 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:28:55,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:55,166 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:55,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:55,176 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:55,180 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-29 03:28:55,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:55,185 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-29 03:28:55,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:55,194 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:55,198 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-29 03:28:55,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:55,202 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-29 03:28:55,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:55,215 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:28:55,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:55,221 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:55,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:55,229 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:55,233 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-29 03:28:55,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:55,237 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-29 03:28:55,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:55,248 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:55,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:55,260 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:28:55,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:55,281 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 1 [2023-11-29 03:28:55,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:55,294 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:28:55,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:55,303 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:55,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:55,317 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:28:55,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:55,326 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:55,330 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-29 03:28:55,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:55,336 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-29 03:28:55,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:55,348 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:28:55,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:55,354 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:55,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:55,362 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:55,365 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-29 03:28:55,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:55,370 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-29 03:28:55,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:55,380 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:55,385 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-29 03:28:55,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:55,391 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-29 03:28:55,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:55,404 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:28:55,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:55,411 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:55,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:55,422 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:55,426 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-29 03:28:55,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:55,432 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-29 03:28:55,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:55,442 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:55,446 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-29 03:28:55,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:55,453 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-29 03:28:55,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:55,469 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:28:55,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:55,476 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:55,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:55,486 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:55,491 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-29 03:28:55,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:55,497 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-29 03:28:55,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:55,511 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:55,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:55,527 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:28:55,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:55,552 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 1 [2023-11-29 03:28:55,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:55,566 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:28:55,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:55,575 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:55,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:55,589 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:28:55,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:55,600 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:55,605 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-29 03:28:55,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:55,611 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-29 03:28:55,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:55,626 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:28:55,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:55,633 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:55,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:55,643 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:55,648 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-29 03:28:55,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:55,654 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-29 03:28:55,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:55,665 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:55,670 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-29 03:28:55,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:55,677 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-29 03:28:55,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:55,693 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:28:55,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:55,701 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:55,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:55,711 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:55,715 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-29 03:28:55,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:55,722 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-29 03:28:55,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:55,733 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:55,738 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-29 03:28:55,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:55,745 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-29 03:28:55,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:55,761 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:28:55,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:55,769 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:55,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:55,779 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:55,783 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-29 03:28:55,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:55,789 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-29 03:28:55,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:55,801 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:55,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:55,816 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:28:55,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:55,841 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 1 [2023-11-29 03:28:55,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:55,855 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:28:55,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:55,864 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:55,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:55,878 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:28:55,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:55,888 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:55,892 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-29 03:28:55,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:55,898 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-29 03:28:55,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:55,912 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:28:55,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:55,919 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:55,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:55,929 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:55,933 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-29 03:28:55,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:55,939 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-29 03:28:55,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:55,950 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:55,955 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-29 03:28:55,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:55,961 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-29 03:28:55,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:55,978 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:28:55,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:55,985 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:55,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:55,995 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:55,999 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-29 03:28:56,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:56,004 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-29 03:28:56,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:56,014 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:56,018 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-29 03:28:56,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:56,023 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-29 03:28:56,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:56,040 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:28:56,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:56,047 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:56,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:56,057 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:56,062 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-29 03:28:56,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:56,068 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-29 03:28:56,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:56,091 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:28:56,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:56,098 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:56,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:56,115 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:28:56,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:56,122 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:56,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:56,156 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 1 [2023-11-29 03:28:56,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:56,171 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:28:56,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:56,189 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:28:56,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:56,197 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:56,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:56,214 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:28:56,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:56,222 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:56,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:56,258 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 1 [2023-11-29 03:28:56,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:56,273 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:28:56,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:56,291 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:28:56,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:56,299 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:56,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:56,316 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:28:56,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:56,323 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:28:56,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:56,361 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 1 [2023-11-29 03:28:56,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:56,378 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:28:56,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:56,407 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 1 [2023-11-29 03:28:56,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:56,444 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 1 [2023-11-29 03:28:56,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:56,470 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 1 [2023-11-29 03:28:56,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:56,487 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:28:56,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:56,513 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 1 [2023-11-29 03:28:56,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:56,529 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:28:56,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:56,566 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2023-11-29 03:28:56,574 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2023-11-29 03:28:56,574 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2023-11-29 03:28:56,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:28:56,623 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:28:56,623 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:28:56,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1600072338] [2023-11-29 03:28:56,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1600072338] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:28:56,624 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:28:56,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:28:56,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727517248] [2023-11-29 03:28:56,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:28:56,624 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 03:28:56,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:28:56,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:28:56,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:28:56,927 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 164 [2023-11-29 03:28:56,928 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 73 transitions, 185 flow. Second operand has 4 states, 4 states have (on average 88.75) internal successors, (355), 4 states have internal predecessors, (355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:56,928 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:28:56,928 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 164 [2023-11-29 03:28:56,928 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:28:57,189 INFO L124 PetriNetUnfolderBase]: 1629/2599 cut-off events. [2023-11-29 03:28:57,189 INFO L125 PetriNetUnfolderBase]: For 89/91 co-relation queries the response was YES. [2023-11-29 03:28:57,192 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4985 conditions, 2599 events. 1629/2599 cut-off events. For 89/91 co-relation queries the response was YES. Maximal size of possible extension queue 133. Compared 12994 event pairs, 1227 based on Foata normal form. 0/2440 useless extension candidates. Maximal degree in co-relation 4914. Up to 2259 conditions per place. [2023-11-29 03:28:57,198 INFO L140 encePairwiseOnDemand]: 160/164 looper letters, 43 selfloop transitions, 2 changer transitions 0/72 dead transitions. [2023-11-29 03:28:57,198 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 72 transitions, 273 flow [2023-11-29 03:28:57,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:28:57,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:28:57,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 301 transitions. [2023-11-29 03:28:57,199 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6117886178861789 [2023-11-29 03:28:57,199 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 301 transitions. [2023-11-29 03:28:57,199 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 301 transitions. [2023-11-29 03:28:57,200 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:28:57,200 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 301 transitions. [2023-11-29 03:28:57,200 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 100.33333333333333) internal successors, (301), 3 states have internal predecessors, (301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:57,201 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 164.0) internal successors, (656), 4 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:57,201 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 164.0) internal successors, (656), 4 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:57,201 INFO L175 Difference]: Start difference. First operand has 78 places, 73 transitions, 185 flow. Second operand 3 states and 301 transitions. [2023-11-29 03:28:57,201 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 72 transitions, 273 flow [2023-11-29 03:28:57,202 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 72 transitions, 269 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 03:28:57,204 INFO L231 Difference]: Finished difference. Result has 76 places, 71 transitions, 181 flow [2023-11-29 03:28:57,204 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=177, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=181, PETRI_PLACES=76, PETRI_TRANSITIONS=71} [2023-11-29 03:28:57,204 INFO L281 CegarLoopForPetriNet]: 117 programPoint places, -41 predicate places. [2023-11-29 03:28:57,204 INFO L495 AbstractCegarLoop]: Abstraction has has 76 places, 71 transitions, 181 flow [2023-11-29 03:28:57,205 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 88.75) internal successors, (355), 4 states have internal predecessors, (355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:28:57,205 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:28:57,205 INFO L208 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] [2023-11-29 03:28:57,208 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Ended with exit code 0 [2023-11-29 03:28:57,405 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:28:57,406 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 70 more)] === [2023-11-29 03:28:57,406 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:28:57,406 INFO L85 PathProgramCache]: Analyzing trace with hash 658278343, now seen corresponding path program 1 times [2023-11-29 03:28:57,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:28:57,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [664594600] [2023-11-29 03:28:57,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:28:57,406 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:28:57,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:28:57,407 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 03:28:57,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2023-11-29 03:28:57,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:28:57,611 INFO L262 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-29 03:28:57,614 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:28:57,619 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2023-11-29 03:28:57,665 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:28:57,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:57,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:57,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:57,764 INFO L349 Elim1Store]: treesize reduction 200, result has 13.4 percent of original size [2023-11-29 03:28:57,764 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 64 treesize of output 72 [2023-11-29 03:28:57,849 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:28:57,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:57,850 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:28:57,867 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:28:57,939 INFO L349 Elim1Store]: treesize reduction 135, result has 16.7 percent of original size [2023-11-29 03:28:57,939 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 53 treesize of output 55 [2023-11-29 03:28:58,010 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:28:58,012 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:28:58,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:58,029 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:28:58,104 INFO L349 Elim1Store]: treesize reduction 135, result has 16.7 percent of original size [2023-11-29 03:28:58,104 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 53 treesize of output 55 [2023-11-29 03:28:58,169 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:28:58,169 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:28:58,170 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:28:58,180 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:28:58,234 INFO L349 Elim1Store]: treesize reduction 76, result has 23.2 percent of original size [2023-11-29 03:28:58,235 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 47 [2023-11-29 03:28:58,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:58,293 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:28:58,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:58,297 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:28:58,314 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:28:58,315 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:28:58,390 INFO L349 Elim1Store]: treesize reduction 135, result has 16.7 percent of original size [2023-11-29 03:28:58,390 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 53 treesize of output 55 [2023-11-29 03:28:58,446 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:28:58,447 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:28:58,447 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:28:58,457 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:28:58,472 INFO L349 Elim1Store]: treesize reduction 98, result has 1.0 percent of original size [2023-11-29 03:28:58,472 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 1 [2023-11-29 03:28:58,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:58,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:58,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:58,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:58,514 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:28:58,544 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:28:58,646 INFO L349 Elim1Store]: treesize reduction 200, result has 13.4 percent of original size [2023-11-29 03:28:58,647 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 64 treesize of output 63 [2023-11-29 03:28:58,730 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:28:58,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:58,731 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:28:58,750 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:28:58,778 INFO L349 Elim1Store]: treesize reduction 161, result has 0.6 percent of original size [2023-11-29 03:28:58,778 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 53 treesize of output 1 [2023-11-29 03:28:58,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:58,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:58,806 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:28:58,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:58,809 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:28:58,824 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:28:58,825 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:28:58,895 INFO L349 Elim1Store]: treesize reduction 135, result has 16.7 percent of original size [2023-11-29 03:28:58,895 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 53 treesize of output 55 [2023-11-29 03:28:58,942 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:28:58,943 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:28:58,943 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:28:58,954 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:28:58,973 INFO L349 Elim1Store]: treesize reduction 98, result has 1.0 percent of original size [2023-11-29 03:28:58,973 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 1 [2023-11-29 03:28:58,991 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:28:58,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:58,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:58,997 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:28:59,015 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:28:59,100 INFO L349 Elim1Store]: treesize reduction 135, result has 16.7 percent of original size [2023-11-29 03:28:59,101 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 53 treesize of output 55 [2023-11-29 03:28:59,166 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:28:59,166 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:28:59,167 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:28:59,177 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:28:59,196 INFO L349 Elim1Store]: treesize reduction 98, result has 1.0 percent of original size [2023-11-29 03:28:59,197 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 1 [2023-11-29 03:28:59,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:59,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:59,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:59,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:59,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:59,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:59,406 INFO L349 Elim1Store]: treesize reduction 271, result has 11.4 percent of original size [2023-11-29 03:28:59,406 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 75 treesize of output 71 [2023-11-29 03:28:59,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:59,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:59,546 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:28:59,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:59,580 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:28:59,692 INFO L349 Elim1Store]: treesize reduction 200, result has 13.4 percent of original size [2023-11-29 03:28:59,693 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 64 treesize of output 63 [2023-11-29 03:28:59,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:59,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:59,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:59,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:59,786 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:28:59,810 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:28:59,904 INFO L349 Elim1Store]: treesize reduction 200, result has 13.4 percent of original size [2023-11-29 03:28:59,904 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 64 treesize of output 63 [2023-11-29 03:28:59,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:59,985 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:28:59,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:28:59,989 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:29:00,004 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:29:00,069 INFO L349 Elim1Store]: treesize reduction 135, result has 16.7 percent of original size [2023-11-29 03:29:00,069 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 53 treesize of output 55 [2023-11-29 03:29:00,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:29:00,145 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:29:00,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:29:00,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:29:00,174 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:29:00,262 INFO L349 Elim1Store]: treesize reduction 200, result has 13.4 percent of original size [2023-11-29 03:29:00,262 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 64 treesize of output 63 [2023-11-29 03:29:00,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:29:00,337 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:29:00,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:29:00,341 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:29:00,355 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:29:00,382 INFO L349 Elim1Store]: treesize reduction 161, result has 0.6 percent of original size [2023-11-29 03:29:00,382 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 53 treesize of output 1 [2023-11-29 03:29:00,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:29:00,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:29:00,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:29:00,439 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:29:00,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:29:00,466 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:29:00,554 INFO L349 Elim1Store]: treesize reduction 200, result has 13.4 percent of original size [2023-11-29 03:29:00,555 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 64 treesize of output 63 [2023-11-29 03:29:00,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:29:00,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:29:00,648 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:29:00,652 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:29:00,670 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:29:00,670 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:29:00,750 INFO L349 Elim1Store]: treesize reduction 135, result has 16.7 percent of original size [2023-11-29 03:29:00,750 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 53 treesize of output 55 [2023-11-29 03:29:00,837 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:29:00,839 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:29:00,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:29:00,864 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:29:00,893 INFO L349 Elim1Store]: treesize reduction 161, result has 0.6 percent of original size [2023-11-29 03:29:00,894 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 53 treesize of output 1 [2023-11-29 03:29:00,901 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:29:00,901 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:29:00,902 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:29:00,913 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:29:00,930 INFO L349 Elim1Store]: treesize reduction 98, result has 1.0 percent of original size [2023-11-29 03:29:00,931 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 1 [2023-11-29 03:29:00,947 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:29:00,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:29:00,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:29:00,953 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:29:00,972 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:29:01,001 INFO L349 Elim1Store]: treesize reduction 161, result has 0.6 percent of original size [2023-11-29 03:29:01,001 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 53 treesize of output 1 [2023-11-29 03:29:01,009 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:29:01,009 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:29:01,010 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:29:01,016 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:29:01,019 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 03:29:01,033 INFO L349 Elim1Store]: treesize reduction 98, result has 1.0 percent of original size [2023-11-29 03:29:01,034 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 1 [2023-11-29 03:29:01,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:29:01,692 INFO L349 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2023-11-29 03:29:01,692 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 10 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 29 [2023-11-29 03:29:05,571 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 34 [2023-11-29 03:29:05,612 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 34 [2023-11-29 03:29:05,661 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 10 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 34 [2023-11-29 03:29:05,704 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 34 [2023-11-29 03:29:05,749 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 34 [2023-11-29 03:29:05,789 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 34 [2023-11-29 03:29:05,846 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 10 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 34 [2023-11-29 03:29:05,888 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 34 [2023-11-29 03:29:05,940 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 10 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 34 [2023-11-29 03:29:05,986 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 15 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 34 [2023-11-29 03:29:06,037 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 10 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 34 [2023-11-29 03:29:06,080 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 34 [2023-11-29 03:29:06,133 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 34 [2023-11-29 03:29:06,173 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 34 [2023-11-29 03:29:06,216 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 34 [2023-11-29 03:29:06,258 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 34 [2023-11-29 03:29:06,304 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 34 [2023-11-29 03:29:06,347 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 10 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 34 [2023-11-29 03:29:06,393 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 34 [2023-11-29 03:29:06,431 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 34 [2023-11-29 03:29:06,479 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 34 [2023-11-29 03:29:06,522 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 10 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 34 [2023-11-29 03:29:06,570 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 34 [2023-11-29 03:29:06,606 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 34 [2023-11-29 03:29:07,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:29:07,897 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:29:07,897 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:29:07,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [664594600] [2023-11-29 03:29:07,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [664594600] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:29:07,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:29:07,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 03:29:07,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675518997] [2023-11-29 03:29:07,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:29:07,898 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 03:29:07,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:29:07,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 03:29:07,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-29 03:29:10,726 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 164 [2023-11-29 03:29:10,726 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 71 transitions, 181 flow. Second operand has 6 states, 6 states have (on average 92.16666666666667) internal successors, (553), 6 states have internal predecessors, (553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:29:10,726 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:29:10,726 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 164 [2023-11-29 03:29:10,726 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:29:12,154 INFO L124 PetriNetUnfolderBase]: 1487/2418 cut-off events. [2023-11-29 03:29:12,154 INFO L125 PetriNetUnfolderBase]: For 92/96 co-relation queries the response was YES. [2023-11-29 03:29:12,158 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4601 conditions, 2418 events. 1487/2418 cut-off events. For 92/96 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 12219 event pairs, 1115 based on Foata normal form. 1/2262 useless extension candidates. Maximal degree in co-relation 4532. Up to 2057 conditions per place. [2023-11-29 03:29:12,164 INFO L140 encePairwiseOnDemand]: 159/164 looper letters, 38 selfloop transitions, 5 changer transitions 0/71 dead transitions. [2023-11-29 03:29:12,164 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 71 transitions, 265 flow [2023-11-29 03:29:12,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 03:29:12,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-29 03:29:12,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 391 transitions. [2023-11-29 03:29:12,168 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5960365853658537 [2023-11-29 03:29:12,168 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 391 transitions. [2023-11-29 03:29:12,168 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 391 transitions. [2023-11-29 03:29:12,168 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:29:12,168 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 391 transitions. [2023-11-29 03:29:12,169 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 97.75) internal successors, (391), 4 states have internal predecessors, (391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:29:12,170 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 164.0) internal successors, (820), 5 states have internal predecessors, (820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:29:12,171 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 164.0) internal successors, (820), 5 states have internal predecessors, (820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:29:12,171 INFO L175 Difference]: Start difference. First operand has 76 places, 71 transitions, 181 flow. Second operand 4 states and 391 transitions. [2023-11-29 03:29:12,171 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 71 transitions, 265 flow [2023-11-29 03:29:12,172 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 71 transitions, 255 flow, removed 1 selfloop flow, removed 3 redundant places. [2023-11-29 03:29:12,173 INFO L231 Difference]: Finished difference. Result has 75 places, 70 transitions, 177 flow [2023-11-29 03:29:12,173 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=167, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=177, PETRI_PLACES=75, PETRI_TRANSITIONS=70} [2023-11-29 03:29:12,173 INFO L281 CegarLoopForPetriNet]: 117 programPoint places, -42 predicate places. [2023-11-29 03:29:12,173 INFO L495 AbstractCegarLoop]: Abstraction has has 75 places, 70 transitions, 177 flow [2023-11-29 03:29:12,174 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 92.16666666666667) internal successors, (553), 6 states have internal predecessors, (553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:29:12,174 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:29:12,174 INFO L208 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] [2023-11-29 03:29:12,177 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Ended with exit code 0 [2023-11-29 03:29:12,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:29:12,374 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 70 more)] === [2023-11-29 03:29:12,375 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:29:12,375 INFO L85 PathProgramCache]: Analyzing trace with hash 2110559695, now seen corresponding path program 1 times [2023-11-29 03:29:12,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:29:12,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [412316819] [2023-11-29 03:29:12,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:29:12,375 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:29:12,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:29:12,376 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 03:29:12,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2023-11-29 03:29:12,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:29:12,563 INFO L262 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-29 03:29:12,567 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:29:12,598 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 7 [2023-11-29 03:29:12,614 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-29 03:29:12,634 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-29 03:29:12,650 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2023-11-29 03:29:12,675 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-29 03:29:12,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:29:12,691 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-29 03:29:12,717 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 7 [2023-11-29 03:29:12,734 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-29 03:29:12,760 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 7 [2023-11-29 03:29:12,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:29:12,775 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:29:12,804 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 7 [2023-11-29 03:29:12,835 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2023-11-29 03:29:12,882 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 7 [2023-11-29 03:29:12,895 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-29 03:29:12,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:29:12,918 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:29:12,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:29:12,929 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-29 03:29:12,949 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-29 03:29:12,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:29:12,966 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-29 03:29:13,010 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 7 [2023-11-29 03:29:13,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:29:13,025 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:29:13,045 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-29 03:29:13,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:29:13,061 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-29 03:29:13,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:29:13,082 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:29:13,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:29:13,095 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-29 03:29:13,150 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 7 [2023-11-29 03:29:13,164 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-29 03:29:13,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:29:13,191 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:29:13,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:29:13,203 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-29 03:29:13,223 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-29 03:29:13,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:29:13,239 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-29 03:29:13,268 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 7 [2023-11-29 03:29:13,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:29:13,287 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:29:13,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:29:13,310 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:29:13,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:29:13,320 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:29:13,349 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 7 [2023-11-29 03:29:13,379 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2023-11-29 03:29:13,429 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 7 [2023-11-29 03:29:13,443 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-29 03:29:13,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:29:13,467 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:29:13,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:29:13,480 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-29 03:29:13,502 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-29 03:29:13,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:29:13,520 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-29 03:29:13,560 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 7 [2023-11-29 03:29:13,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:29:13,578 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:29:13,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:29:13,601 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:29:13,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:29:13,615 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-29 03:29:13,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:29:13,637 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:29:13,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:29:13,650 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-29 03:29:13,692 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 7 [2023-11-29 03:29:13,708 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-29 03:29:13,738 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 7 [2023-11-29 03:29:13,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:29:13,752 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:29:13,801 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2023-11-29 03:29:13,826 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 7 [2023-11-29 03:29:13,871 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 7 [2023-11-29 03:29:13,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:29:13,889 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:29:13,920 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 7 [2023-11-29 03:29:13,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:29:13,936 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:29:13,987 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2023-11-29 03:29:14,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:29:14,010 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:29:14,050 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 7 [2023-11-29 03:29:14,081 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2023-11-29 03:29:14,151 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 7 [2023-11-29 03:29:14,191 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2023-11-29 03:29:14,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:29:14,231 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:29:14,252 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2023-11-29 03:29:14,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:29:14,304 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:29:14,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:29:14,315 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:29:14,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:29:14,338 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:29:14,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:29:14,348 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:29:14,390 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2023-11-29 03:29:14,414 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 7 [2023-11-29 03:29:14,483 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 7 [2023-11-29 03:29:14,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:29:14,501 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:29:14,520 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-29 03:29:14,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:29:14,536 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-29 03:29:14,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:29:14,554 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:29:14,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:29:14,566 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-29 03:29:14,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:29:14,591 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:29:14,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:29:14,603 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:29:14,621 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 7 [2023-11-29 03:29:14,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:29:14,641 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:29:14,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:29:14,677 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:29:14,701 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2023-11-29 03:29:14,763 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 7 [2023-11-29 03:29:14,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:29:14,781 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:29:14,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:29:14,804 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:29:14,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:29:14,818 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-29 03:29:14,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:29:14,841 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:29:14,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:29:14,856 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-29 03:29:14,898 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 7 [2023-11-29 03:29:14,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:29:14,917 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:29:14,942 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-29 03:29:14,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:29:14,962 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-29 03:29:14,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:29:14,987 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:29:15,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:29:15,003 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-29 03:29:15,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:29:15,058 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:29:15,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:29:15,071 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:29:15,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:29:15,094 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:29:15,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:29:15,110 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-29 03:29:15,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:29:15,133 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:29:15,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:29:15,146 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-29 03:29:15,170 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 7 [2023-11-29 03:29:15,191 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-29 03:29:15,220 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 7 [2023-11-29 03:29:15,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:29:15,239 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:29:15,271 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 7 [2023-11-29 03:29:15,303 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2023-11-29 03:29:15,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:29:15,350 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:29:15,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:29:15,362 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:29:15,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:29:15,381 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:29:15,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:29:15,395 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-29 03:29:15,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:29:15,415 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:29:15,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:29:15,429 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-29 03:29:15,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:29:15,464 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-29 03:29:15,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:29:15,476 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:29:15,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:29:15,497 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:29:15,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:29:15,511 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-29 03:29:15,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:29:15,532 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-29 03:29:15,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:29:15,546 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-29 03:29:15,729 INFO L349 Elim1Store]: treesize reduction 54, result has 29.9 percent of original size [2023-11-29 03:29:15,729 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 43 [2023-11-29 03:29:15,756 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-29 03:29:17,202 INFO L349 Elim1Store]: treesize reduction 12, result has 75.5 percent of original size [2023-11-29 03:29:17,202 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 21 treesize of output 49 [2023-11-29 03:29:17,511 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 23 [2023-11-29 03:29:17,531 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 23 [2023-11-29 03:29:17,547 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2023-11-29 03:29:17,553 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 18 [2023-11-29 03:29:17,563 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 18 [2023-11-29 03:29:17,575 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 23 [2023-11-29 03:29:17,589 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 18 [2023-11-29 03:29:17,601 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 23 [2023-11-29 03:29:17,624 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 23 [2023-11-29 03:29:17,637 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2023-11-29 03:29:17,653 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 23 [2023-11-29 03:29:17,660 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 18 [2023-11-29 03:29:17,689 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 23 [2023-11-29 03:29:17,702 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 23 [2023-11-29 03:29:17,719 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 23 [2023-11-29 03:29:17,739 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 23 [2023-11-29 03:29:17,772 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 23 [2023-11-29 03:29:17,793 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 23 [2023-11-29 03:29:17,813 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2023-11-29 03:29:17,820 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 18 [2023-11-29 03:29:17,830 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 18 [2023-11-29 03:29:17,842 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2023-11-29 03:29:17,863 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 18 [2023-11-29 03:29:17,874 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2023-11-29 03:29:17,898 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2023-11-29 03:29:17,904 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 18 [2023-11-29 03:29:17,913 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 18 [2023-11-29 03:29:17,924 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 23 [2023-11-29 03:29:17,941 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 23 [2023-11-29 03:29:17,961 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 23 [2023-11-29 03:29:17,979 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2023-11-29 03:29:17,985 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 18 [2023-11-29 03:29:17,995 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 18 [2023-11-29 03:29:18,006 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 23 [2023-11-29 03:29:18,029 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 23 [2023-11-29 03:29:18,043 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 23 [2023-11-29 03:29:18,056 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 18 [2023-11-29 03:29:18,067 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 23 [2023-11-29 03:29:18,090 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 23 [2023-11-29 03:29:18,104 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 23 [2023-11-29 03:29:18,113 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 18 [2023-11-29 03:29:18,125 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2023-11-29 03:29:18,146 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2023-11-29 03:29:18,165 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 18 [2023-11-29 03:29:18,189 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 23 [2023-11-29 03:29:18,202 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2023-11-29 03:29:18,227 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 23 [2023-11-29 03:29:18,259 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 23 [2023-11-29 03:29:18,290 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 18 [2023-11-29 03:29:18,303 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2023-11-29 03:29:18,328 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 18 [2023-11-29 03:29:18,339 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2023-11-29 03:29:18,369 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 10 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 18 [2023-11-29 03:29:18,388 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 18 [2023-11-29 03:29:18,400 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 18 [2023-11-29 03:29:18,410 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2023-11-29 03:29:18,433 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 18 [2023-11-29 03:29:18,447 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2023-11-29 03:29:18,455 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 18 [2023-11-29 03:29:18,465 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2023-11-29 03:29:18,477 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 18 [2023-11-29 03:29:18,488 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2023-11-29 03:29:18,501 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2023-11-29 03:29:18,507 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 18 [2023-11-29 03:29:18,521 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2023-11-29 03:29:18,541 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 18 [2023-11-29 03:29:18,558 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2023-11-29 03:29:18,564 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 18 [2023-11-29 03:29:18,578 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2023-11-29 03:29:18,597 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 18 [2023-11-29 03:29:18,610 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2023-11-29 03:29:18,616 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 18 [2023-11-29 03:29:18,654 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 23 [2023-11-29 03:29:18,685 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 23 [2023-11-29 03:29:18,709 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 23 [2023-11-29 03:29:18,722 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 23 [2023-11-29 03:29:18,746 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 23 [2023-11-29 03:29:18,759 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 23 [2023-11-29 03:29:18,800 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 23 [2023-11-29 03:29:18,822 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 23 [2023-11-29 03:29:18,840 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 23 [2023-11-29 03:29:18,858 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 23 [2023-11-29 03:29:18,875 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 23 [2023-11-29 03:29:18,894 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 23 [2023-11-29 03:29:18,942 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 23 [2023-11-29 03:29:18,986 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 15 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 23 [2023-11-29 03:29:19,015 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 23 [2023-11-29 03:29:19,047 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 23 [2023-11-29 03:29:19,076 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 23 [2023-11-29 03:29:19,113 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 23 [2023-11-29 03:29:19,162 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 23 [2023-11-29 03:29:19,184 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 23 [2023-11-29 03:29:19,211 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 23 [2023-11-29 03:29:19,223 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 23 [2023-11-29 03:29:19,245 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 23 [2023-11-29 03:29:19,258 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 23 [2023-11-29 03:29:19,279 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 18 [2023-11-29 03:29:19,290 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 23 [2023-11-29 03:29:19,312 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 23 [2023-11-29 03:29:19,323 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2023-11-29 03:29:19,332 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 18 [2023-11-29 03:29:19,343 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 23 [2023-11-29 03:29:19,362 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2023-11-29 03:29:19,384 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 23 [2023-11-29 03:29:19,400 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 23 [2023-11-29 03:29:19,407 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 18 [2023-11-29 03:29:19,421 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 23 [2023-11-29 03:29:19,428 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 18 [2023-11-29 03:29:19,457 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 23 [2023-11-29 03:29:19,469 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2023-11-29 03:29:19,493 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 23 [2023-11-29 03:29:19,506 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2023-11-29 03:29:19,530 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 18 [2023-11-29 03:29:19,562 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 23 [2023-11-29 03:29:19,587 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 23 [2023-11-29 03:29:19,595 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 18 [2023-11-29 03:29:19,614 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2023-11-29 03:29:19,635 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 23 [2023-11-29 03:29:19,648 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 18 [2023-11-29 03:29:19,660 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 23 [2023-11-29 03:29:19,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:29:19,678 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:29:19,678 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:29:19,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [412316819] [2023-11-29 03:29:19,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [412316819] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:29:19,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:29:19,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 03:29:19,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874931234] [2023-11-29 03:29:19,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:29:19,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 03:29:19,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:29:19,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 03:29:19,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-11-29 03:29:21,454 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 164 [2023-11-29 03:29:21,455 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 70 transitions, 177 flow. Second operand has 9 states, 9 states have (on average 79.44444444444444) internal successors, (715), 9 states have internal predecessors, (715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:29:21,455 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:29:21,455 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 164 [2023-11-29 03:29:21,455 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:29:22,260 INFO L124 PetriNetUnfolderBase]: 2214/3267 cut-off events. [2023-11-29 03:29:22,260 INFO L125 PetriNetUnfolderBase]: For 31/31 co-relation queries the response was YES. [2023-11-29 03:29:22,265 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6442 conditions, 3267 events. 2214/3267 cut-off events. For 31/31 co-relation queries the response was YES. Maximal size of possible extension queue 150. Compared 15220 event pairs, 788 based on Foata normal form. 0/3126 useless extension candidates. Maximal degree in co-relation 6378. Up to 2886 conditions per place. [2023-11-29 03:29:22,277 INFO L140 encePairwiseOnDemand]: 156/164 looper letters, 56 selfloop transitions, 8 changer transitions 0/83 dead transitions. [2023-11-29 03:29:22,277 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 83 transitions, 331 flow [2023-11-29 03:29:22,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 03:29:22,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-11-29 03:29:22,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 664 transitions. [2023-11-29 03:29:22,280 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5060975609756098 [2023-11-29 03:29:22,280 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 664 transitions. [2023-11-29 03:29:22,281 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 664 transitions. [2023-11-29 03:29:22,281 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:29:22,281 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 664 transitions. [2023-11-29 03:29:22,284 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 83.0) internal successors, (664), 8 states have internal predecessors, (664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:29:22,287 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 164.0) internal successors, (1476), 9 states have internal predecessors, (1476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:29:22,287 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 164.0) internal successors, (1476), 9 states have internal predecessors, (1476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:29:22,287 INFO L175 Difference]: Start difference. First operand has 75 places, 70 transitions, 177 flow. Second operand 8 states and 664 transitions. [2023-11-29 03:29:22,287 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 83 transitions, 331 flow [2023-11-29 03:29:22,289 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 83 transitions, 321 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-11-29 03:29:22,290 INFO L231 Difference]: Finished difference. Result has 78 places, 69 transitions, 181 flow [2023-11-29 03:29:22,291 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=165, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=181, PETRI_PLACES=78, PETRI_TRANSITIONS=69} [2023-11-29 03:29:22,291 INFO L281 CegarLoopForPetriNet]: 117 programPoint places, -39 predicate places. [2023-11-29 03:29:22,291 INFO L495 AbstractCegarLoop]: Abstraction has has 78 places, 69 transitions, 181 flow [2023-11-29 03:29:22,292 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 79.44444444444444) internal successors, (715), 9 states have internal predecessors, (715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:29:22,292 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:29:22,292 INFO L208 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] [2023-11-29 03:29:22,295 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Ended with exit code 0 [2023-11-29 03:29:22,492 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:29:22,493 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK === [thread0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 70 more)] === [2023-11-29 03:29:22,493 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:29:22,493 INFO L85 PathProgramCache]: Analyzing trace with hash -1082148584, now seen corresponding path program 1 times [2023-11-29 03:29:22,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:29:22,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2074531525] [2023-11-29 03:29:22,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:29:22,494 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:29:22,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:29:22,495 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 03:29:22,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2023-11-29 03:29:22,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:29:22,714 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 03:29:22,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:29:22,946 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2023-11-29 03:29:22,946 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 03:29:22,947 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK (72 of 73 remaining) [2023-11-29 03:29:22,948 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (71 of 73 remaining) [2023-11-29 03:29:22,949 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (70 of 73 remaining) [2023-11-29 03:29:22,949 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (69 of 73 remaining) [2023-11-29 03:29:22,949 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (68 of 73 remaining) [2023-11-29 03:29:22,949 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (67 of 73 remaining) [2023-11-29 03:29:22,949 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (66 of 73 remaining) [2023-11-29 03:29:22,949 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (65 of 73 remaining) [2023-11-29 03:29:22,950 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (64 of 73 remaining) [2023-11-29 03:29:22,950 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (63 of 73 remaining) [2023-11-29 03:29:22,950 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (62 of 73 remaining) [2023-11-29 03:29:22,950 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (61 of 73 remaining) [2023-11-29 03:29:22,950 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (60 of 73 remaining) [2023-11-29 03:29:22,950 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err12REQUIRES_VIOLATIONMEMORY_DEREFERENCE (59 of 73 remaining) [2023-11-29 03:29:22,950 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (58 of 73 remaining) [2023-11-29 03:29:22,951 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err14REQUIRES_VIOLATIONMEMORY_DEREFERENCE (57 of 73 remaining) [2023-11-29 03:29:22,951 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err15REQUIRES_VIOLATIONMEMORY_DEREFERENCE (56 of 73 remaining) [2023-11-29 03:29:22,951 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err16REQUIRES_VIOLATIONMEMORY_DEREFERENCE (55 of 73 remaining) [2023-11-29 03:29:22,951 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err17REQUIRES_VIOLATIONMEMORY_DEREFERENCE (54 of 73 remaining) [2023-11-29 03:29:22,951 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err18REQUIRES_VIOLATIONMEMORY_DEREFERENCE (53 of 73 remaining) [2023-11-29 03:29:22,951 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (52 of 73 remaining) [2023-11-29 03:29:22,951 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (51 of 73 remaining) [2023-11-29 03:29:22,952 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (50 of 73 remaining) [2023-11-29 03:29:22,952 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (49 of 73 remaining) [2023-11-29 03:29:22,952 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err7INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (48 of 73 remaining) [2023-11-29 03:29:22,952 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (47 of 73 remaining) [2023-11-29 03:29:22,952 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (46 of 73 remaining) [2023-11-29 03:29:22,952 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (45 of 73 remaining) [2023-11-29 03:29:22,952 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (44 of 73 remaining) [2023-11-29 03:29:22,953 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (43 of 73 remaining) [2023-11-29 03:29:22,953 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (42 of 73 remaining) [2023-11-29 03:29:22,953 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (41 of 73 remaining) [2023-11-29 03:29:22,953 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (40 of 73 remaining) [2023-11-29 03:29:22,953 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (39 of 73 remaining) [2023-11-29 03:29:22,953 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (38 of 73 remaining) [2023-11-29 03:29:22,954 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (37 of 73 remaining) [2023-11-29 03:29:22,954 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (36 of 73 remaining) [2023-11-29 03:29:22,954 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (35 of 73 remaining) [2023-11-29 03:29:22,954 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK (34 of 73 remaining) [2023-11-29 03:29:22,954 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (33 of 73 remaining) [2023-11-29 03:29:22,954 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (32 of 73 remaining) [2023-11-29 03:29:22,954 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (31 of 73 remaining) [2023-11-29 03:29:22,955 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (30 of 73 remaining) [2023-11-29 03:29:22,955 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (29 of 73 remaining) [2023-11-29 03:29:22,955 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (28 of 73 remaining) [2023-11-29 03:29:22,955 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (27 of 73 remaining) [2023-11-29 03:29:22,955 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (26 of 73 remaining) [2023-11-29 03:29:22,955 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (25 of 73 remaining) [2023-11-29 03:29:22,956 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (24 of 73 remaining) [2023-11-29 03:29:22,956 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (23 of 73 remaining) [2023-11-29 03:29:22,956 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (22 of 73 remaining) [2023-11-29 03:29:22,956 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (21 of 73 remaining) [2023-11-29 03:29:22,956 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err12REQUIRES_VIOLATIONMEMORY_DEREFERENCE (20 of 73 remaining) [2023-11-29 03:29:22,956 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (19 of 73 remaining) [2023-11-29 03:29:22,956 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err14REQUIRES_VIOLATIONMEMORY_DEREFERENCE (18 of 73 remaining) [2023-11-29 03:29:22,956 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err15REQUIRES_VIOLATIONMEMORY_DEREFERENCE (17 of 73 remaining) [2023-11-29 03:29:22,956 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err16REQUIRES_VIOLATIONMEMORY_DEREFERENCE (16 of 73 remaining) [2023-11-29 03:29:22,956 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err17REQUIRES_VIOLATIONMEMORY_DEREFERENCE (15 of 73 remaining) [2023-11-29 03:29:22,957 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err18REQUIRES_VIOLATIONMEMORY_DEREFERENCE (14 of 73 remaining) [2023-11-29 03:29:22,957 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (13 of 73 remaining) [2023-11-29 03:29:22,957 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Thread1of1ForFork5Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 73 remaining) [2023-11-29 03:29:22,957 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Thread1of1ForFork5Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 73 remaining) [2023-11-29 03:29:22,957 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Thread1of1ForFork5Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 73 remaining) [2023-11-29 03:29:22,957 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Thread1of1ForFork5Err8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 73 remaining) [2023-11-29 03:29:22,957 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread0Thread1of1ForFork5Err10INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 73 remaining) [2023-11-29 03:29:22,957 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (7 of 73 remaining) [2023-11-29 03:29:22,957 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (6 of 73 remaining) [2023-11-29 03:29:22,957 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 73 remaining) [2023-11-29 03:29:22,958 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 73 remaining) [2023-11-29 03:29:22,958 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 73 remaining) [2023-11-29 03:29:22,958 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 73 remaining) [2023-11-29 03:29:22,958 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (1 of 73 remaining) [2023-11-29 03:29:22,958 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (0 of 73 remaining) [2023-11-29 03:29:22,963 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Ended with exit code 0 [2023-11-29 03:29:23,158 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 03:29:23,159 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:29:23,164 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-29 03:29:23,164 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 03:29:23,237 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre20 could not be translated [2023-11-29 03:29:23,238 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre5 could not be translated [2023-11-29 03:29:23,239 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated [2023-11-29 03:29:23,239 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated [2023-11-29 03:29:23,240 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre8 could not be translated [2023-11-29 03:29:23,241 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre8 could not be translated [2023-11-29 03:29:23,242 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre10 could not be translated [2023-11-29 03:29:23,242 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre10 could not be translated [2023-11-29 03:29:23,244 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre12 could not be translated [2023-11-29 03:29:23,245 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre12 could not be translated [2023-11-29 03:29:23,245 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre14 could not be translated [2023-11-29 03:29:23,246 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre14 could not be translated [2023-11-29 03:29:23,247 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem16 could not be translated [2023-11-29 03:29:23,248 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem16 could not be translated [2023-11-29 03:29:23,248 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem17 could not be translated [2023-11-29 03:29:23,249 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem17 could not be translated [2023-11-29 03:29:23,250 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem18 could not be translated [2023-11-29 03:29:23,251 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem18 could not be translated [2023-11-29 03:29:23,251 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem19 could not be translated [2023-11-29 03:29:23,252 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem19 could not be translated [2023-11-29 03:29:23,253 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem22 could not be translated [2023-11-29 03:29:23,254 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem23 could not be translated [2023-11-29 03:29:23,254 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short25 could not be translated [2023-11-29 03:29:23,266 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 03:29:23 BasicIcfg [2023-11-29 03:29:23,266 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 03:29:23,267 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 03:29:23,267 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 03:29:23,267 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 03:29:23,267 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:28:13" (3/4) ... [2023-11-29 03:29:23,269 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 03:29:23,270 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 03:29:23,270 INFO L158 Benchmark]: Toolchain (without parser) took 71535.38ms. Allocated memory was 73.4MB in the beginning and 6.7GB in the end (delta: 6.6GB). Free memory was 48.0MB in the beginning and 1.6GB in the end (delta: -1.6GB). Peak memory consumption was 5.0GB. Max. memory is 16.1GB. [2023-11-29 03:29:23,270 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 54.5MB. Free memory was 30.9MB in the beginning and 30.8MB in the end (delta: 52.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 03:29:23,271 INFO L158 Benchmark]: CACSL2BoogieTranslator took 703.90ms. Allocated memory is still 73.4MB. Free memory was 47.8MB in the beginning and 45.9MB in the end (delta: 1.9MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2023-11-29 03:29:23,271 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.43ms. Allocated memory is still 73.4MB. Free memory was 45.9MB in the beginning and 43.2MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 03:29:23,271 INFO L158 Benchmark]: Boogie Preprocessor took 72.36ms. Allocated memory is still 73.4MB. Free memory was 43.2MB in the beginning and 39.3MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 03:29:23,271 INFO L158 Benchmark]: RCFGBuilder took 846.03ms. Allocated memory was 73.4MB in the beginning and 96.5MB in the end (delta: 23.1MB). Free memory was 39.3MB in the beginning and 51.5MB in the end (delta: -12.2MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2023-11-29 03:29:23,272 INFO L158 Benchmark]: TraceAbstraction took 69853.06ms. Allocated memory was 96.5MB in the beginning and 6.7GB in the end (delta: 6.6GB). Free memory was 50.9MB in the beginning and 1.6GB in the end (delta: -1.6GB). Peak memory consumption was 5.0GB. Max. memory is 16.1GB. [2023-11-29 03:29:23,272 INFO L158 Benchmark]: Witness Printer took 3.25ms. Allocated memory is still 6.7GB. Free memory is still 1.6GB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 03:29:23,273 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 54.5MB. Free memory was 30.9MB in the beginning and 30.8MB in the end (delta: 52.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 703.90ms. Allocated memory is still 73.4MB. Free memory was 47.8MB in the beginning and 45.9MB in the end (delta: 1.9MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.43ms. Allocated memory is still 73.4MB. Free memory was 45.9MB in the beginning and 43.2MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.36ms. Allocated memory is still 73.4MB. Free memory was 43.2MB in the beginning and 39.3MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 846.03ms. Allocated memory was 73.4MB in the beginning and 96.5MB in the end (delta: 23.1MB). Free memory was 39.3MB in the beginning and 51.5MB in the end (delta: -12.2MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. * TraceAbstraction took 69853.06ms. Allocated memory was 96.5MB in the beginning and 6.7GB in the end (delta: 6.6GB). Free memory was 50.9MB in the beginning and 1.6GB in the end (delta: -1.6GB). Peak memory consumption was 5.0GB. Max. memory is 16.1GB. * Witness Printer took 3.25ms. Allocated memory is still 6.7GB. Free memory is still 1.6GB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~pre20 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~pre5 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~pre8 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~pre8 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~pre10 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~pre10 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~pre12 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~pre12 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~pre14 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~pre14 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem16 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem16 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem17 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem17 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem18 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem18 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem19 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem19 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem22 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem23 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short25 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 1159]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 1159. Possible FailurePath: [L1124] 0 char *v; [L1161] 0 pthread_t t; [L1162] FCALL, FORK 0 pthread_create(&t, 0, thread0, 0) VAL [arg={0:0}, t={-32:0}, v={0:0}] [L1163] 0 \read(t) VAL [arg={0:0}, v={0:0}] [L1146] 1 pthread_t t1, t2, t3, t4, t5; [L1147] FCALL, FORK 1 pthread_create(&t1, 0, thread1, 0) VAL [arg={0:0}, arg={0:0}, arg={0:0}, t1={2147483620:0}, t2={-134217708:0}, t3={-134217712:0}, t4={-16:0}, t5={-2147483617:0}, v={0:0}] [L1148] 1 \read(t1) VAL [arg={0:0}, arg={0:0}, arg={0:0}, t1={2147483620:0}, t2={-134217708:0}, t3={-134217712:0}, t4={-16:0}, t5={-2147483617:0}, v={0:0}] [L1127] 2 v = malloc(sizeof(char)) [L1128] 2 return 0; [L1148] FCALL, JOIN 2 pthread_join(t1, 0) VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, t1={2147483620:0}, t2={-134217708:0}, t3={-134217712:0}, t4={-16:0}, t5={-2147483617:0}, v={3:0}] [L1149] FCALL, FORK 1 pthread_create(&t2, 0, thread2, 0) VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, t1={2147483620:0}, t2={-134217708:0}, t3={-134217712:0}, t4={-16:0}, t5={-2147483617:0}, v={3:0}] [L1133] 3 v[0] = 'X' VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, t1={2147483620:0}, t2={-134217708:0}, t3={-134217712:0}, t4={-16:0}, t5={-2147483617:0}, v={3:0}] [L1135] 3 return 0; [L1150] FCALL, FORK 1 pthread_create(&t3, 0, thread3, 0) VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, t1={2147483620:0}, t2={-134217708:0}, t3={-134217712:0}, t4={-16:0}, t5={-2147483617:0}, v={3:0}] [L1140] 4 v[0] = 'Y' VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, t1={2147483620:0}, t2={-134217708:0}, t3={-134217712:0}, t4={-16:0}, t5={-2147483617:0}, v={3:0}] [L1142] 4 return 0; [L1151] FCALL, FORK 1 pthread_create(&t4, 0, thread2, 0) VAL [\result={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, t1={2147483620:0}, t2={-134217708:0}, t3={-134217712:0}, t4={-16:0}, t5={-2147483617:0}, v={3:0}] [L1133] 5 v[0] = 'X' VAL [\result={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, t1={2147483620:0}, t2={-134217708:0}, t3={-134217712:0}, t4={-16:0}, t5={-2147483617:0}, v={3:0}] [L1152] FCALL, FORK 1 pthread_create(&t5, 0, thread2, 0) VAL [\result={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, t1={2147483620:0}, t2={-134217708:0}, t3={-134217712:0}, t4={-16:0}, t5={-2147483617:0}, v={3:0}] [L1133] 6 v[0] = 'X' VAL [\result={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, t1={2147483620:0}, t2={-134217708:0}, t3={-134217712:0}, t4={-16:0}, t5={-2147483617:0}, v={3:0}] [L1135] 5 return 0; [L1153] 1 \read(t2) VAL [\result={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, t1={2147483620:0}, t2={-134217708:0}, t3={-134217712:0}, t4={-16:0}, t5={-2147483617:0}, v={3:0}] [L1135] 6 return 0; [L1153] FCALL, JOIN 3 pthread_join(t2, 0) VAL [\result={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, t1={2147483620:0}, t2={-134217708:0}, t3={-134217712:0}, t4={-16:0}, t5={-2147483617:0}, v={3:0}] [L1154] 1 \read(t3) VAL [\result={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, t1={2147483620:0}, t2={-134217708:0}, t3={-134217712:0}, t4={-16:0}, t5={-2147483617:0}, v={3:0}] [L1154] FCALL, JOIN 4 pthread_join(t3, 0) VAL [\result={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, t1={2147483620:0}, t2={-134217708:0}, t3={-134217712:0}, t4={-16:0}, t5={-2147483617:0}, v={3:0}] [L1155] 1 \read(t4) VAL [\result={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, t1={2147483620:0}, t2={-134217708:0}, t3={-134217712:0}, t4={-16:0}, t5={-2147483617:0}, v={3:0}] [L1155] FCALL, JOIN 5 pthread_join(t4, 0) VAL [\result={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, t1={2147483620:0}, t2={-134217708:0}, t3={-134217712:0}, t4={-16:0}, t5={-2147483617:0}, v={3:0}] [L1156] 1 \read(t5) VAL [\result={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, t1={2147483620:0}, t2={-134217708:0}, t3={-134217712:0}, t4={-16:0}, t5={-2147483617:0}, v={3:0}] [L1156] FCALL, JOIN 6 pthread_join(t5, 0) VAL [\result={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, t1={2147483620:0}, t2={-134217708:0}, t3={-134217712:0}, t4={-16:0}, t5={-2147483617:0}, v={3:0}] [L1157] 1 return 0; [L1157] 1 return 0; [L1157] 1 return 0; [L1157] 1 return 0; [L1157] 1 return 0; [L1157] 1 return 0; [L1163] FCALL, JOIN 1 pthread_join(t, 0) VAL [\result={0:0}, \result={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, t={-32:0}, v={3:0}] [L1164] EXPR 0 v[0] [L1164] EXPR 0 v[0] == 'X' || v[0] == 'Y' VAL [\result={0:0}, \result={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, t={-32:0}, v={3:0}] [L1164] EXPR 0 v[0] == 'X' || v[0] == 'Y' VAL [\result={0:0}, \result={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, v={3:0}] [L1164] CALL 0 __VERIFIER_assert(v[0] == 'X' || v[0] == 'Y') [L1123] COND FALSE 0 !(!expression) VAL [\old(expression)=1, \result={0:0}, \result={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, expression=1, v={3:0}] [L1164] RET 0 __VERIFIER_assert(v[0] == 'X' || v[0] == 'Y') [L1165] 0 return 0; [L1165] 0 return 0; VAL [\result=0, \result={0:0}, \result={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, v={3:0}] - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1150]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 1147]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 1152]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 1149]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 1151]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 20]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 1162]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 1149]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 1150]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 1147]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 1151]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 1152]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 11 procedures, 183 locations, 73 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 69.6s, OverallIterations: 19, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 32.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4257 SdHoareTripleChecker+Valid, 12.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2582 mSDsluCounter, 408 SdHoareTripleChecker+Invalid, 11.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 209 mSDsCounter, 89 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4540 IncrementalHoareTripleChecker+Invalid, 4629 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 89 mSolverCounterUnsat, 199 mSDtfsCounter, 4540 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 290 GetRequests, 241 SyntacticMatches, 4 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 2.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=263occurred in iteration=0, InterpolantAutomatonStates: 64, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 30.0s InterpolantComputationTime, 352 NumberOfCodeBlocks, 352 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 277 ConstructedInterpolants, 62 QuantifiedInterpolants, 6985 SizeOfPredicates, 65 NumberOfNonLiveVariables, 2253 ConjunctsInSsa, 149 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-29 03:29:23,297 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266bc188-f1fd-4204-806f-97fe37b9fec1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample