./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-ext3-properties/dll_nullified-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb31e9-4308-48f5-88d3-c5db4d1d6320/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb31e9-4308-48f5-88d3-c5db4d1d6320/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_3aeb31e9-4308-48f5-88d3-c5db4d1d6320/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb31e9-4308-48f5-88d3-c5db4d1d6320/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext3-properties/dll_nullified-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb31e9-4308-48f5-88d3-c5db4d1d6320/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_3aeb31e9-4308-48f5-88d3-c5db4d1d6320/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 3b4637ab5710a1ca22a981e8047278048fbbf856825d3649b2cb9d48de11d175 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 02:12:55,634 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 02:12:55,696 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb31e9-4308-48f5-88d3-c5db4d1d6320/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2023-11-29 02:12:55,700 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 02:12:55,701 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 02:12:55,722 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 02:12:55,723 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 02:12:55,723 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 02:12:55,724 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 02:12:55,724 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 02:12:55,725 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 02:12:55,725 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 02:12:55,726 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 02:12:55,727 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 02:12:55,727 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 02:12:55,728 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 02:12:55,728 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 02:12:55,729 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 02:12:55,729 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 02:12:55,730 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 02:12:55,730 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-29 02:12:55,732 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-29 02:12:55,732 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-29 02:12:55,732 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 02:12:55,733 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 02:12:55,733 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 02:12:55,734 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 02:12:55,734 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 02:12:55,735 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 02:12:55,735 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 02:12:55,735 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 02:12:55,736 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 02:12:55,736 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:12:55,736 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 02:12:55,736 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 02:12:55,737 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 02:12:55,737 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 02:12:55,737 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 02:12:55,737 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 02:12:55,737 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 02:12:55,737 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 02:12:55,738 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_3aeb31e9-4308-48f5-88d3-c5db4d1d6320/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb31e9-4308-48f5-88d3-c5db4d1d6320/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b4637ab5710a1ca22a981e8047278048fbbf856825d3649b2cb9d48de11d175 [2023-11-29 02:12:55,928 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 02:12:55,948 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 02:12:55,951 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 02:12:55,952 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 02:12:55,952 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 02:12:55,954 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb31e9-4308-48f5-88d3-c5db4d1d6320/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/list-ext3-properties/dll_nullified-2.i [2023-11-29 02:13:00,675 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 02:13:00,934 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 02:13:00,935 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb31e9-4308-48f5-88d3-c5db4d1d6320/sv-benchmarks/c/list-ext3-properties/dll_nullified-2.i [2023-11-29 02:13:00,950 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb31e9-4308-48f5-88d3-c5db4d1d6320/bin/uautomizer-verify-BQ2R08f2Ya/data/6905fdb47/c341d557b2534740ad968d95be69ba92/FLAGc33e6d648 [2023-11-29 02:13:00,965 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb31e9-4308-48f5-88d3-c5db4d1d6320/bin/uautomizer-verify-BQ2R08f2Ya/data/6905fdb47/c341d557b2534740ad968d95be69ba92 [2023-11-29 02:13:00,967 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 02:13:00,969 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 02:13:00,971 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 02:13:00,971 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 02:13:00,977 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 02:13:00,978 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:13:00" (1/1) ... [2023-11-29 02:13:00,979 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f87b585 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:13:00, skipping insertion in model container [2023-11-29 02:13:00,979 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:13:00" (1/1) ... [2023-11-29 02:13:01,021 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 02:13:01,280 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:13:01,289 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 02:13:01,329 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:13:01,354 INFO L206 MainTranslator]: Completed translation [2023-11-29 02:13:01,355 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:13:01 WrapperNode [2023-11-29 02:13:01,355 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 02:13:01,356 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 02:13:01,357 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 02:13:01,357 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 02:13:01,363 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:13:01" (1/1) ... [2023-11-29 02:13:01,376 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:13:01" (1/1) ... [2023-11-29 02:13:01,396 INFO L138 Inliner]: procedures = 122, calls = 26, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 115 [2023-11-29 02:13:01,396 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 02:13:01,397 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 02:13:01,397 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 02:13:01,398 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 02:13:01,408 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:13:01" (1/1) ... [2023-11-29 02:13:01,408 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:13:01" (1/1) ... [2023-11-29 02:13:01,412 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:13:01" (1/1) ... [2023-11-29 02:13:01,429 INFO L175 MemorySlicer]: Split 17 memory accesses to 2 slices as follows [2, 15]. 88 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 6 writes are split as follows [0, 6]. [2023-11-29 02:13:01,429 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:13:01" (1/1) ... [2023-11-29 02:13:01,430 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:13:01" (1/1) ... [2023-11-29 02:13:01,438 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:13:01" (1/1) ... [2023-11-29 02:13:01,442 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:13:01" (1/1) ... [2023-11-29 02:13:01,444 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:13:01" (1/1) ... [2023-11-29 02:13:01,446 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:13:01" (1/1) ... [2023-11-29 02:13:01,449 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 02:13:01,450 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 02:13:01,450 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 02:13:01,450 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 02:13:01,451 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:13:01" (1/1) ... [2023-11-29 02:13:01,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:13:01,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb31e9-4308-48f5-88d3-c5db4d1d6320/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:13:01,485 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb31e9-4308-48f5-88d3-c5db4d1d6320/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 02:13:01,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb31e9-4308-48f5-88d3-c5db4d1d6320/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 02:13:01,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-29 02:13:01,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-29 02:13:01,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-29 02:13:01,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-29 02:13:01,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-29 02:13:01,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 02:13:01,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-29 02:13:01,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-29 02:13:01,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-29 02:13:01,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-29 02:13:01,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 02:13:01,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 02:13:01,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-29 02:13:01,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 02:13:01,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 02:13:01,642 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 02:13:01,644 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 02:13:01,895 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 02:13:01,937 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 02:13:01,937 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-29 02:13:01,938 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:13:01 BoogieIcfgContainer [2023-11-29 02:13:01,938 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 02:13:01,941 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 02:13:01,941 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 02:13:01,945 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 02:13:01,945 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 02:13:00" (1/3) ... [2023-11-29 02:13:01,946 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26a8f394 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:13:01, skipping insertion in model container [2023-11-29 02:13:01,946 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:13:01" (2/3) ... [2023-11-29 02:13:01,946 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26a8f394 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:13:01, skipping insertion in model container [2023-11-29 02:13:01,946 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:13:01" (3/3) ... [2023-11-29 02:13:01,948 INFO L112 eAbstractionObserver]: Analyzing ICFG dll_nullified-2.i [2023-11-29 02:13:01,962 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 02:13:01,962 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 35 error locations. [2023-11-29 02:13:02,003 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 02:13:02,009 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;@15a53343, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 02:13:02,010 INFO L358 AbstractCegarLoop]: Starting to check reachability of 35 error locations. [2023-11-29 02:13:02,013 INFO L276 IsEmpty]: Start isEmpty. Operand has 77 states, 41 states have (on average 2.2195121951219514) internal successors, (91), 76 states have internal predecessors, (91), 0 states have call successors, (0), 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 02:13:02,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-29 02:13:02,018 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:13:02,018 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-29 02:13:02,018 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2023-11-29 02:13:02,023 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:13:02,023 INFO L85 PathProgramCache]: Analyzing trace with hash 6151137, now seen corresponding path program 1 times [2023-11-29 02:13:02,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:13:02,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518964875] [2023-11-29 02:13:02,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:13:02,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:13:02,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:13:02,215 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 02:13:02,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:13:02,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518964875] [2023-11-29 02:13:02,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518964875] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:13:02,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:13:02,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:13:02,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823827006] [2023-11-29 02:13:02,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:13:02,223 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:13:02,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:13:02,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:13:02,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:13:02,253 INFO L87 Difference]: Start difference. First operand has 77 states, 41 states have (on average 2.2195121951219514) internal successors, (91), 76 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 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 02:13:02,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:13:02,310 INFO L93 Difference]: Finished difference Result 99 states and 110 transitions. [2023-11-29 02:13:02,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:13:02,313 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2023-11-29 02:13:02,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:13:02,321 INFO L225 Difference]: With dead ends: 99 [2023-11-29 02:13:02,321 INFO L226 Difference]: Without dead ends: 96 [2023-11-29 02:13:02,323 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:13:02,326 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 24 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:13:02,327 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 143 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 02:13:02,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2023-11-29 02:13:02,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 75. [2023-11-29 02:13:02,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 40 states have (on average 2.075) internal successors, (83), 74 states have internal predecessors, (83), 0 states have call successors, (0), 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 02:13:02,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 83 transitions. [2023-11-29 02:13:02,364 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 83 transitions. Word has length 4 [2023-11-29 02:13:02,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:13:02,364 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 83 transitions. [2023-11-29 02:13:02,364 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 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 02:13:02,364 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 83 transitions. [2023-11-29 02:13:02,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-29 02:13:02,365 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:13:02,365 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-29 02:13:02,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 02:13:02,366 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2023-11-29 02:13:02,366 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:13:02,366 INFO L85 PathProgramCache]: Analyzing trace with hash 6148064, now seen corresponding path program 1 times [2023-11-29 02:13:02,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:13:02,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224478513] [2023-11-29 02:13:02,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:13:02,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:13:02,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:13:02,424 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 02:13:02,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:13:02,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224478513] [2023-11-29 02:13:02,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [224478513] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:13:02,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:13:02,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:13:02,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994755599] [2023-11-29 02:13:02,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:13:02,427 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:13:02,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:13:02,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:13:02,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:13:02,429 INFO L87 Difference]: Start difference. First operand 75 states and 83 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 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 02:13:02,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:13:02,513 INFO L93 Difference]: Finished difference Result 70 states and 78 transitions. [2023-11-29 02:13:02,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:13:02,514 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2023-11-29 02:13:02,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:13:02,515 INFO L225 Difference]: With dead ends: 70 [2023-11-29 02:13:02,515 INFO L226 Difference]: Without dead ends: 70 [2023-11-29 02:13:02,516 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:13:02,517 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 15 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 02:13:02,518 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 89 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 02:13:02,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2023-11-29 02:13:02,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2023-11-29 02:13:02,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 40 states have (on average 1.95) internal successors, (78), 69 states have internal predecessors, (78), 0 states have call successors, (0), 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 02:13:02,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 78 transitions. [2023-11-29 02:13:02,526 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 78 transitions. Word has length 4 [2023-11-29 02:13:02,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:13:02,527 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 78 transitions. [2023-11-29 02:13:02,527 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 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 02:13:02,527 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 78 transitions. [2023-11-29 02:13:02,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-29 02:13:02,527 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:13:02,527 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-29 02:13:02,528 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 02:13:02,528 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2023-11-29 02:13:02,528 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:13:02,529 INFO L85 PathProgramCache]: Analyzing trace with hash 6148065, now seen corresponding path program 1 times [2023-11-29 02:13:02,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:13:02,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944222777] [2023-11-29 02:13:02,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:13:02,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:13:02,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:13:02,612 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 02:13:02,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:13:02,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944222777] [2023-11-29 02:13:02,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1944222777] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:13:02,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:13:02,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:13:02,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646364035] [2023-11-29 02:13:02,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:13:02,614 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:13:02,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:13:02,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:13:02,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:13:02,615 INFO L87 Difference]: Start difference. First operand 70 states and 78 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 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 02:13:02,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:13:02,677 INFO L93 Difference]: Finished difference Result 65 states and 73 transitions. [2023-11-29 02:13:02,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:13:02,677 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2023-11-29 02:13:02,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:13:02,678 INFO L225 Difference]: With dead ends: 65 [2023-11-29 02:13:02,678 INFO L226 Difference]: Without dead ends: 65 [2023-11-29 02:13:02,679 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:13:02,680 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 10 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 02:13:02,681 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 92 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 02:13:02,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2023-11-29 02:13:02,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2023-11-29 02:13:02,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 40 states have (on average 1.825) internal successors, (73), 64 states have internal predecessors, (73), 0 states have call successors, (0), 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 02:13:02,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 73 transitions. [2023-11-29 02:13:02,688 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 73 transitions. Word has length 4 [2023-11-29 02:13:02,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:13:02,688 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 73 transitions. [2023-11-29 02:13:02,689 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 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 02:13:02,689 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 73 transitions. [2023-11-29 02:13:02,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-29 02:13:02,689 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:13:02,689 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:13:02,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 02:13:02,690 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2023-11-29 02:13:02,690 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:13:02,691 INFO L85 PathProgramCache]: Analyzing trace with hash -334739161, now seen corresponding path program 1 times [2023-11-29 02:13:02,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:13:02,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924206441] [2023-11-29 02:13:02,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:13:02,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:13:02,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:13:02,769 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 02:13:02,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:13:02,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924206441] [2023-11-29 02:13:02,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924206441] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:13:02,770 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:13:02,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:13:02,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432802941] [2023-11-29 02:13:02,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:13:02,771 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:13:02,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:13:02,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:13:02,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:13:02,773 INFO L87 Difference]: Start difference. First operand 65 states and 73 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 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 02:13:02,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:13:02,808 INFO L93 Difference]: Finished difference Result 73 states and 81 transitions. [2023-11-29 02:13:02,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:13:02,808 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2023-11-29 02:13:02,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:13:02,809 INFO L225 Difference]: With dead ends: 73 [2023-11-29 02:13:02,810 INFO L226 Difference]: Without dead ends: 73 [2023-11-29 02:13:02,810 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:13:02,811 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 1 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:13:02,812 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 115 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 02:13:02,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2023-11-29 02:13:02,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 72. [2023-11-29 02:13:02,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 47 states have (on average 1.702127659574468) internal successors, (80), 71 states have internal predecessors, (80), 0 states have call successors, (0), 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 02:13:02,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 80 transitions. [2023-11-29 02:13:02,819 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 80 transitions. Word has length 10 [2023-11-29 02:13:02,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:13:02,819 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 80 transitions. [2023-11-29 02:13:02,820 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 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 02:13:02,820 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 80 transitions. [2023-11-29 02:13:02,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-29 02:13:02,820 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:13:02,821 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:13:02,821 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 02:13:02,821 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2023-11-29 02:13:02,822 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:13:02,822 INFO L85 PathProgramCache]: Analyzing trace with hash 704496712, now seen corresponding path program 1 times [2023-11-29 02:13:02,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:13:02,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344967816] [2023-11-29 02:13:02,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:13:02,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:13:02,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:13:02,942 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:13:02,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:13:02,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344967816] [2023-11-29 02:13:02,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1344967816] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:13:02,943 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:13:02,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 02:13:02,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983926776] [2023-11-29 02:13:02,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:13:02,944 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 02:13:02,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:13:02,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 02:13:02,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 02:13:02,945 INFO L87 Difference]: Start difference. First operand 72 states and 80 transitions. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 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 02:13:03,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:13:03,093 INFO L93 Difference]: Finished difference Result 72 states and 80 transitions. [2023-11-29 02:13:03,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:13:03,094 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2023-11-29 02:13:03,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:13:03,095 INFO L225 Difference]: With dead ends: 72 [2023-11-29 02:13:03,095 INFO L226 Difference]: Without dead ends: 72 [2023-11-29 02:13:03,095 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:13:03,097 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 58 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 02:13:03,097 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 75 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 02:13:03,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2023-11-29 02:13:03,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 66. [2023-11-29 02:13:03,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 50 states have (on average 1.54) internal successors, (77), 65 states have internal predecessors, (77), 0 states have call successors, (0), 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 02:13:03,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 77 transitions. [2023-11-29 02:13:03,103 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 77 transitions. Word has length 13 [2023-11-29 02:13:03,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:13:03,104 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 77 transitions. [2023-11-29 02:13:03,104 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 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 02:13:03,104 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 77 transitions. [2023-11-29 02:13:03,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-29 02:13:03,105 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:13:03,105 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:13:03,105 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 02:13:03,105 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2023-11-29 02:13:03,106 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:13:03,106 INFO L85 PathProgramCache]: Analyzing trace with hash 704496713, now seen corresponding path program 1 times [2023-11-29 02:13:03,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:13:03,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692707118] [2023-11-29 02:13:03,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:13:03,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:13:03,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:13:03,188 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:13:03,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:13:03,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692707118] [2023-11-29 02:13:03,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692707118] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 02:13:03,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1652818532] [2023-11-29 02:13:03,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:13:03,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:13:03,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb31e9-4308-48f5-88d3-c5db4d1d6320/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:13:03,191 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb31e9-4308-48f5-88d3-c5db4d1d6320/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:13:03,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb31e9-4308-48f5-88d3-c5db4d1d6320/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 02:13:03,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:13:03,324 INFO L262 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 02:13:03,328 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:13:03,370 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:13:03,370 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:13:03,401 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:13:03,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1652818532] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 02:13:03,402 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 02:13:03,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2023-11-29 02:13:03,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333107551] [2023-11-29 02:13:03,402 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 02:13:03,403 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 02:13:03,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:13:03,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 02:13:03,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:13:03,404 INFO L87 Difference]: Start difference. First operand 66 states and 77 transitions. Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 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 02:13:03,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:13:03,450 INFO L93 Difference]: Finished difference Result 90 states and 103 transitions. [2023-11-29 02:13:03,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:13:03,450 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2023-11-29 02:13:03,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:13:03,451 INFO L225 Difference]: With dead ends: 90 [2023-11-29 02:13:03,451 INFO L226 Difference]: Without dead ends: 90 [2023-11-29 02:13:03,452 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:13:03,453 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 25 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:13:03,453 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 201 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 02:13:03,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2023-11-29 02:13:03,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 88. [2023-11-29 02:13:03,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 72 states have (on average 1.4305555555555556) internal successors, (103), 87 states have internal predecessors, (103), 0 states have call successors, (0), 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 02:13:03,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 103 transitions. [2023-11-29 02:13:03,460 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 103 transitions. Word has length 13 [2023-11-29 02:13:03,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:13:03,461 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 103 transitions. [2023-11-29 02:13:03,461 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 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 02:13:03,461 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 103 transitions. [2023-11-29 02:13:03,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-29 02:13:03,462 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:13:03,462 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2023-11-29 02:13:03,468 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb31e9-4308-48f5-88d3-c5db4d1d6320/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 02:13:03,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb31e9-4308-48f5-88d3-c5db4d1d6320/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-29 02:13:03,668 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2023-11-29 02:13:03,668 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:13:03,668 INFO L85 PathProgramCache]: Analyzing trace with hash 281020495, now seen corresponding path program 1 times [2023-11-29 02:13:03,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:13:03,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620234119] [2023-11-29 02:13:03,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:13:03,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:13:03,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:13:03,868 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:13:03,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:13:03,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620234119] [2023-11-29 02:13:03,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620234119] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 02:13:03,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1521130755] [2023-11-29 02:13:03,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:13:03,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:13:03,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb31e9-4308-48f5-88d3-c5db4d1d6320/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:13:03,871 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb31e9-4308-48f5-88d3-c5db4d1d6320/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:13:03,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb31e9-4308-48f5-88d3-c5db4d1d6320/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 02:13:03,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:13:03,994 INFO L262 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-29 02:13:03,997 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:13:04,032 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 8 treesize of output 1 [2023-11-29 02:13:04,037 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 02:13:04,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 02:13:04,172 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 02:13:04,185 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-11-29 02:13:04,185 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 11 treesize of output 11 [2023-11-29 02:13:04,233 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:13:04,233 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:13:04,551 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:13:04,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1521130755] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 02:13:04,552 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 02:13:04,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 4, 4] total 9 [2023-11-29 02:13:04,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433489306] [2023-11-29 02:13:04,552 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 02:13:04,553 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 02:13:04,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:13:04,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 02:13:04,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2023-11-29 02:13:04,554 INFO L87 Difference]: Start difference. First operand 88 states and 103 transitions. Second operand has 10 states, 9 states have (on average 6.111111111111111) internal successors, (55), 10 states have internal predecessors, (55), 0 states have call successors, (0), 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 02:13:04,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:13:04,778 INFO L93 Difference]: Finished difference Result 87 states and 100 transitions. [2023-11-29 02:13:04,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 02:13:04,779 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.111111111111111) internal successors, (55), 10 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2023-11-29 02:13:04,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:13:04,780 INFO L225 Difference]: With dead ends: 87 [2023-11-29 02:13:04,780 INFO L226 Difference]: Without dead ends: 87 [2023-11-29 02:13:04,780 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-11-29 02:13:04,781 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 30 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 02:13:04,781 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 214 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 02:13:04,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2023-11-29 02:13:04,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2023-11-29 02:13:04,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 72 states have (on average 1.3888888888888888) internal successors, (100), 86 states have internal predecessors, (100), 0 states have call successors, (0), 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 02:13:04,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 100 transitions. [2023-11-29 02:13:04,787 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 100 transitions. Word has length 19 [2023-11-29 02:13:04,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:13:04,787 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 100 transitions. [2023-11-29 02:13:04,788 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.111111111111111) internal successors, (55), 10 states have internal predecessors, (55), 0 states have call successors, (0), 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 02:13:04,788 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 100 transitions. [2023-11-29 02:13:04,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-29 02:13:04,789 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:13:04,789 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1] [2023-11-29 02:13:04,795 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb31e9-4308-48f5-88d3-c5db4d1d6320/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 02:13:04,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb31e9-4308-48f5-88d3-c5db4d1d6320/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-11-29 02:13:04,992 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2023-11-29 02:13:04,992 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:13:04,992 INFO L85 PathProgramCache]: Analyzing trace with hash 555461538, now seen corresponding path program 2 times [2023-11-29 02:13:04,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:13:04,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800076207] [2023-11-29 02:13:04,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:13:04,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:13:05,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:13:05,137 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 38 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-29 02:13:05,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:13:05,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800076207] [2023-11-29 02:13:05,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800076207] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 02:13:05,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1767684313] [2023-11-29 02:13:05,137 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 02:13:05,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:13:05,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb31e9-4308-48f5-88d3-c5db4d1d6320/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:13:05,139 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb31e9-4308-48f5-88d3-c5db4d1d6320/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:13:05,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb31e9-4308-48f5-88d3-c5db4d1d6320/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 02:13:05,322 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-29 02:13:05,322 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 02:13:05,324 INFO L262 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 02:13:05,327 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:13:05,416 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:13:05,416 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:13:05,500 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:13:05,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1767684313] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 02:13:05,501 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 02:13:05,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 6, 6] total 9 [2023-11-29 02:13:05,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053432881] [2023-11-29 02:13:05,502 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 02:13:05,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 02:13:05,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:13:05,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 02:13:05,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2023-11-29 02:13:05,504 INFO L87 Difference]: Start difference. First operand 87 states and 100 transitions. Second operand has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 0 states have call successors, (0), 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 02:13:05,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:13:05,706 INFO L93 Difference]: Finished difference Result 97 states and 107 transitions. [2023-11-29 02:13:05,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-29 02:13:05,707 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2023-11-29 02:13:05,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:13:05,707 INFO L225 Difference]: With dead ends: 97 [2023-11-29 02:13:05,708 INFO L226 Difference]: Without dead ends: 97 [2023-11-29 02:13:05,708 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 70 SyntacticMatches, 5 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=203, Unknown=0, NotChecked=0, Total=306 [2023-11-29 02:13:05,709 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 34 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 02:13:05,709 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 243 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 02:13:05,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2023-11-29 02:13:05,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2023-11-29 02:13:05,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 82 states have (on average 1.3048780487804879) internal successors, (107), 96 states have internal predecessors, (107), 0 states have call successors, (0), 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 02:13:05,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 107 transitions. [2023-11-29 02:13:05,714 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 107 transitions. Word has length 40 [2023-11-29 02:13:05,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:13:05,715 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 107 transitions. [2023-11-29 02:13:05,715 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 0 states have call successors, (0), 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 02:13:05,715 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 107 transitions. [2023-11-29 02:13:05,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-29 02:13:05,717 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:13:05,717 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1] [2023-11-29 02:13:05,723 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb31e9-4308-48f5-88d3-c5db4d1d6320/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-29 02:13:05,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb31e9-4308-48f5-88d3-c5db4d1d6320/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:13:05,923 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2023-11-29 02:13:05,924 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:13:05,924 INFO L85 PathProgramCache]: Analyzing trace with hash 780307565, now seen corresponding path program 1 times [2023-11-29 02:13:05,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:13:05,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46917435] [2023-11-29 02:13:05,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:13:05,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:13:05,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:13:06,365 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2023-11-29 02:13:06,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:13:06,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46917435] [2023-11-29 02:13:06,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46917435] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:13:06,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:13:06,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 02:13:06,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355578011] [2023-11-29 02:13:06,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:13:06,366 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 02:13:06,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:13:06,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 02:13:06,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 02:13:06,367 INFO L87 Difference]: Start difference. First operand 97 states and 107 transitions. Second operand has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 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 02:13:06,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:13:06,505 INFO L93 Difference]: Finished difference Result 126 states and 141 transitions. [2023-11-29 02:13:06,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:13:06,506 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2023-11-29 02:13:06,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:13:06,507 INFO L225 Difference]: With dead ends: 126 [2023-11-29 02:13:06,507 INFO L226 Difference]: Without dead ends: 126 [2023-11-29 02:13:06,507 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:13:06,508 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 43 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 02:13:06,508 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 108 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 02:13:06,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2023-11-29 02:13:06,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 116. [2023-11-29 02:13:06,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 101 states have (on average 1.316831683168317) internal successors, (133), 115 states have internal predecessors, (133), 0 states have call successors, (0), 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 02:13:06,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 133 transitions. [2023-11-29 02:13:06,514 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 133 transitions. Word has length 53 [2023-11-29 02:13:06,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:13:06,514 INFO L495 AbstractCegarLoop]: Abstraction has 116 states and 133 transitions. [2023-11-29 02:13:06,514 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 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 02:13:06,514 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 133 transitions. [2023-11-29 02:13:06,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-29 02:13:06,516 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:13:06,516 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:13:06,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 02:13:06,517 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2023-11-29 02:13:06,517 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:13:06,517 INFO L85 PathProgramCache]: Analyzing trace with hash -665007611, now seen corresponding path program 1 times [2023-11-29 02:13:06,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:13:06,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976702980] [2023-11-29 02:13:06,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:13:06,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:13:06,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:13:06,712 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2023-11-29 02:13:06,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:13:06,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976702980] [2023-11-29 02:13:06,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976702980] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:13:06,712 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:13:06,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:13:06,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541775204] [2023-11-29 02:13:06,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:13:06,713 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 02:13:06,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:13:06,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 02:13:06,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 02:13:06,714 INFO L87 Difference]: Start difference. First operand 116 states and 133 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 0 states have call successors, (0), 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 02:13:06,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:13:06,813 INFO L93 Difference]: Finished difference Result 123 states and 138 transitions. [2023-11-29 02:13:06,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:13:06,814 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2023-11-29 02:13:06,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:13:06,815 INFO L225 Difference]: With dead ends: 123 [2023-11-29 02:13:06,815 INFO L226 Difference]: Without dead ends: 123 [2023-11-29 02:13:06,815 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:13:06,816 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 39 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 02:13:06,816 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 138 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 02:13:06,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2023-11-29 02:13:06,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 116. [2023-11-29 02:13:06,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 101 states have (on average 1.306930693069307) internal successors, (132), 115 states have internal predecessors, (132), 0 states have call successors, (0), 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 02:13:06,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 132 transitions. [2023-11-29 02:13:06,820 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 132 transitions. Word has length 57 [2023-11-29 02:13:06,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:13:06,821 INFO L495 AbstractCegarLoop]: Abstraction has 116 states and 132 transitions. [2023-11-29 02:13:06,821 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 0 states have call successors, (0), 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 02:13:06,821 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 132 transitions. [2023-11-29 02:13:06,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-29 02:13:06,822 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:13:06,822 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:13:06,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 02:13:06,823 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2023-11-29 02:13:06,823 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:13:06,823 INFO L85 PathProgramCache]: Analyzing trace with hash -1249490123, now seen corresponding path program 1 times [2023-11-29 02:13:06,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:13:06,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936342305] [2023-11-29 02:13:06,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:13:06,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:13:06,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:13:06,948 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2023-11-29 02:13:06,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:13:06,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936342305] [2023-11-29 02:13:06,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936342305] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:13:06,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:13:06,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 02:13:06,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696909114] [2023-11-29 02:13:06,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:13:06,949 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:13:06,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:13:06,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:13:06,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:13:06,950 INFO L87 Difference]: Start difference. First operand 116 states and 132 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 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 02:13:06,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:13:06,973 INFO L93 Difference]: Finished difference Result 118 states and 134 transitions. [2023-11-29 02:13:06,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:13:06,974 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2023-11-29 02:13:06,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:13:06,976 INFO L225 Difference]: With dead ends: 118 [2023-11-29 02:13:06,976 INFO L226 Difference]: Without dead ends: 118 [2023-11-29 02:13:06,976 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:13:06,977 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 0 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:13:06,977 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 98 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 02:13:06,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2023-11-29 02:13:06,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 117. [2023-11-29 02:13:06,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 102 states have (on average 1.303921568627451) internal successors, (133), 116 states have internal predecessors, (133), 0 states have call successors, (0), 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 02:13:06,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 133 transitions. [2023-11-29 02:13:06,982 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 133 transitions. Word has length 61 [2023-11-29 02:13:06,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:13:06,983 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 133 transitions. [2023-11-29 02:13:06,983 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 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 02:13:06,983 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 133 transitions. [2023-11-29 02:13:06,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-29 02:13:06,984 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:13:06,984 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:13:06,985 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 02:13:06,985 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2023-11-29 02:13:06,985 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:13:06,985 INFO L85 PathProgramCache]: Analyzing trace with hash -75246333, now seen corresponding path program 1 times [2023-11-29 02:13:06,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:13:06,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175323995] [2023-11-29 02:13:06,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:13:06,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:13:07,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:13:07,152 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2023-11-29 02:13:07,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:13:07,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175323995] [2023-11-29 02:13:07,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175323995] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:13:07,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:13:07,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 02:13:07,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161191597] [2023-11-29 02:13:07,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:13:07,153 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 02:13:07,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:13:07,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 02:13:07,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 02:13:07,154 INFO L87 Difference]: Start difference. First operand 117 states and 133 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 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 02:13:07,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:13:07,187 INFO L93 Difference]: Finished difference Result 122 states and 138 transitions. [2023-11-29 02:13:07,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 02:13:07,187 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2023-11-29 02:13:07,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:13:07,188 INFO L225 Difference]: With dead ends: 122 [2023-11-29 02:13:07,188 INFO L226 Difference]: Without dead ends: 122 [2023-11-29 02:13:07,189 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 02:13:07,189 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 3 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:13:07,190 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 143 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 02:13:07,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2023-11-29 02:13:07,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 119. [2023-11-29 02:13:07,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 104 states have (on average 1.2980769230769231) internal successors, (135), 118 states have internal predecessors, (135), 0 states have call successors, (0), 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 02:13:07,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 135 transitions. [2023-11-29 02:13:07,193 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 135 transitions. Word has length 62 [2023-11-29 02:13:07,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:13:07,194 INFO L495 AbstractCegarLoop]: Abstraction has 119 states and 135 transitions. [2023-11-29 02:13:07,194 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 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 02:13:07,194 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 135 transitions. [2023-11-29 02:13:07,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-29 02:13:07,195 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:13:07,195 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:13:07,196 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-29 02:13:07,196 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2023-11-29 02:13:07,196 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:13:07,197 INFO L85 PathProgramCache]: Analyzing trace with hash -79567475, now seen corresponding path program 1 times [2023-11-29 02:13:07,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:13:07,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423402726] [2023-11-29 02:13:07,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:13:07,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:13:07,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:13:08,183 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 56 proven. 8 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2023-11-29 02:13:08,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:13:08,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423402726] [2023-11-29 02:13:08,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423402726] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 02:13:08,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1853190457] [2023-11-29 02:13:08,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:13:08,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:13:08,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb31e9-4308-48f5-88d3-c5db4d1d6320/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:13:08,185 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb31e9-4308-48f5-88d3-c5db4d1d6320/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:13:08,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb31e9-4308-48f5-88d3-c5db4d1d6320/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-29 02:13:08,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:13:08,470 INFO L262 TraceCheckSpWp]: Trace formula consists of 632 conjuncts, 42 conjunts are in the unsatisfiable core [2023-11-29 02:13:08,475 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:13:08,481 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 02:13:08,506 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-11-29 02:13:08,506 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 11 treesize of output 11 [2023-11-29 02:13:08,535 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 02:13:08,562 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 19 treesize of output 18 [2023-11-29 02:13:08,596 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 26 treesize of output 28 [2023-11-29 02:13:08,639 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 31 [2023-11-29 02:13:08,661 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 31 [2023-11-29 02:13:08,691 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 30 treesize of output 21 [2023-11-29 02:13:08,813 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 60 proven. 10 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-11-29 02:13:08,813 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:13:08,832 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1633 (Array Int Int))) (= (select (select (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_1633) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) |c_ULTIMATE.start_dll_create_~new_head~0#1.offset|) 0)) is different from false [2023-11-29 02:13:08,853 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1633 (Array Int Int)) (v_ArrVal_1632 (Array Int Int))) (or (not (= v_ArrVal_1632 (let ((.cse0 (+ 12 |c_ULTIMATE.start_dll_create_~new_head~0#1.offset|))) (store (select |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse0 (select v_ArrVal_1632 .cse0))))) (= (select (select (store (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_1632) |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_1633) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) |c_ULTIMATE.start_dll_create_~new_head~0#1.offset|) 0))) is different from false [2023-11-29 02:13:08,874 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1633 (Array Int Int)) (v_ArrVal_1632 (Array Int Int))) (or (not (= v_ArrVal_1632 (let ((.cse1 (+ 12 |c_ULTIMATE.start_dll_create_~new_head~0#1.offset|))) (store (let ((.cse0 (+ |c_ULTIMATE.start_dll_create_~new_head~0#1.offset| 4))) (store (select |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse0 (select v_ArrVal_1632 .cse0))) .cse1 (select v_ArrVal_1632 .cse1))))) (= (select (select (store (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_1632) |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_1633) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) |c_ULTIMATE.start_dll_create_~new_head~0#1.offset|) 0))) is different from false [2023-11-29 02:13:08,887 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1633 (Array Int Int)) (v_ArrVal_1632 (Array Int Int))) (or (= (select (select (store (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_1632) |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_1633) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) |c_ULTIMATE.start_dll_create_~new_head~0#1.offset|) 0) (not (= (let ((.cse1 (+ 12 |c_ULTIMATE.start_dll_create_~new_head~0#1.offset|))) (store (let ((.cse0 (+ |c_ULTIMATE.start_dll_create_~new_head~0#1.offset| 4))) (store (store (select |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ 16 |c_ULTIMATE.start_dll_create_~new_head~0#1.offset|) 0) .cse0 (select v_ArrVal_1632 .cse0))) .cse1 (select v_ArrVal_1632 .cse1))) v_ArrVal_1632)))) is different from false [2023-11-29 02:13:08,906 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1633 (Array Int Int)) (v_ArrVal_1632 (Array Int Int))) (or (= (select (select (store (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_1632) |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_1633) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) |c_ULTIMATE.start_dll_create_~new_head~0#1.offset|) 0) (not (= v_ArrVal_1632 (let ((.cse1 (+ 12 |c_ULTIMATE.start_dll_create_~new_head~0#1.offset|))) (store (let ((.cse0 (+ |c_ULTIMATE.start_dll_create_~new_head~0#1.offset| 4))) (store (store (store (select |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ 8 |c_ULTIMATE.start_dll_create_~new_head~0#1.offset|) 0) (+ 16 |c_ULTIMATE.start_dll_create_~new_head~0#1.offset|) 0) .cse0 (select v_ArrVal_1632 .cse0))) .cse1 (select v_ArrVal_1632 .cse1))))))) is different from false [2023-11-29 02:13:08,918 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 57 treesize of output 55 [2023-11-29 02:13:08,924 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 5 treesize of output 3 [2023-11-29 02:13:08,971 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 60 proven. 4 refuted. 0 times theorem prover too weak. 31 trivial. 6 not checked. [2023-11-29 02:13:08,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1853190457] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 02:13:08,972 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 02:13:08,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 12, 14] total 24 [2023-11-29 02:13:08,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117812675] [2023-11-29 02:13:08,973 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 02:13:08,973 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-11-29 02:13:08,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:13:08,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-11-29 02:13:08,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=288, Unknown=5, NotChecked=190, Total=552 [2023-11-29 02:13:08,975 INFO L87 Difference]: Start difference. First operand 119 states and 135 transitions. Second operand has 24 states, 24 states have (on average 3.25) internal successors, (78), 24 states have internal predecessors, (78), 0 states have call successors, (0), 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 02:13:09,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:13:09,739 INFO L93 Difference]: Finished difference Result 127 states and 141 transitions. [2023-11-29 02:13:09,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-29 02:13:09,739 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 3.25) internal successors, (78), 24 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2023-11-29 02:13:09,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:13:09,740 INFO L225 Difference]: With dead ends: 127 [2023-11-29 02:13:09,740 INFO L226 Difference]: Without dead ends: 127 [2023-11-29 02:13:09,741 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 117 SyntacticMatches, 4 SemanticMatches, 34 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=233, Invalid=712, Unknown=5, NotChecked=310, Total=1260 [2023-11-29 02:13:09,742 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 53 mSDsluCounter, 561 mSDsCounter, 0 mSdLazyCounter, 487 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 596 SdHoareTripleChecker+Invalid, 861 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 487 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 353 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 02:13:09,742 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 596 Invalid, 861 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 487 Invalid, 0 Unknown, 353 Unchecked, 0.3s Time] [2023-11-29 02:13:09,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2023-11-29 02:13:09,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 119. [2023-11-29 02:13:09,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 104 states have (on average 1.2884615384615385) internal successors, (134), 118 states have internal predecessors, (134), 0 states have call successors, (0), 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 02:13:09,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 134 transitions. [2023-11-29 02:13:09,746 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 134 transitions. Word has length 62 [2023-11-29 02:13:09,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:13:09,746 INFO L495 AbstractCegarLoop]: Abstraction has 119 states and 134 transitions. [2023-11-29 02:13:09,746 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 3.25) internal successors, (78), 24 states have internal predecessors, (78), 0 states have call successors, (0), 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 02:13:09,746 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 134 transitions. [2023-11-29 02:13:09,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-29 02:13:09,747 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:13:09,747 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:13:09,753 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb31e9-4308-48f5-88d3-c5db4d1d6320/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-29 02:13:09,955 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb31e9-4308-48f5-88d3-c5db4d1d6320/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-11-29 02:13:09,956 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_FREE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2023-11-29 02:13:09,956 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:13:09,956 INFO L85 PathProgramCache]: Analyzing trace with hash 1495573744, now seen corresponding path program 1 times [2023-11-29 02:13:09,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:13:09,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453738128] [2023-11-29 02:13:09,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:13:09,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:13:10,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:13:10,055 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2023-11-29 02:13:10,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:13:10,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453738128] [2023-11-29 02:13:10,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453738128] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:13:10,056 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:13:10,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 02:13:10,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932234196] [2023-11-29 02:13:10,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:13:10,057 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:13:10,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:13:10,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:13:10,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:13:10,057 INFO L87 Difference]: Start difference. First operand 119 states and 134 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 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 02:13:10,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:13:10,078 INFO L93 Difference]: Finished difference Result 121 states and 136 transitions. [2023-11-29 02:13:10,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:13:10,078 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2023-11-29 02:13:10,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:13:10,079 INFO L225 Difference]: With dead ends: 121 [2023-11-29 02:13:10,079 INFO L226 Difference]: Without dead ends: 121 [2023-11-29 02:13:10,080 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:13:10,080 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 0 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:13:10,081 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 98 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 02:13:10,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2023-11-29 02:13:10,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 120. [2023-11-29 02:13:10,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 105 states have (on average 1.2857142857142858) internal successors, (135), 119 states have internal predecessors, (135), 0 states have call successors, (0), 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 02:13:10,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 135 transitions. [2023-11-29 02:13:10,085 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 135 transitions. Word has length 63 [2023-11-29 02:13:10,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:13:10,085 INFO L495 AbstractCegarLoop]: Abstraction has 120 states and 135 transitions. [2023-11-29 02:13:10,085 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 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 02:13:10,085 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 135 transitions. [2023-11-29 02:13:10,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-29 02:13:10,086 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:13:10,086 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:13:10,086 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-29 02:13:10,086 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2023-11-29 02:13:10,087 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:13:10,087 INFO L85 PathProgramCache]: Analyzing trace with hash 1114857050, now seen corresponding path program 1 times [2023-11-29 02:13:10,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:13:10,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355759779] [2023-11-29 02:13:10,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:13:10,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:13:10,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:13:11,143 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 50 proven. 33 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-11-29 02:13:11,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:13:11,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355759779] [2023-11-29 02:13:11,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [355759779] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 02:13:11,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [572359715] [2023-11-29 02:13:11,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:13:11,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:13:11,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb31e9-4308-48f5-88d3-c5db4d1d6320/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:13:11,145 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb31e9-4308-48f5-88d3-c5db4d1d6320/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:13:11,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb31e9-4308-48f5-88d3-c5db4d1d6320/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-29 02:13:11,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:13:11,421 INFO L262 TraceCheckSpWp]: Trace formula consists of 652 conjuncts, 37 conjunts are in the unsatisfiable core [2023-11-29 02:13:11,426 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:13:11,431 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 02:13:11,454 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-11-29 02:13:11,454 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 11 treesize of output 11 [2023-11-29 02:13:11,474 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 02:13:11,484 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 23 treesize of output 11 [2023-11-29 02:13:11,509 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2023-11-29 02:13:11,510 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 33 [2023-11-29 02:13:11,636 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 25 treesize of output 13 [2023-11-29 02:13:11,638 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 60 proven. 11 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-11-29 02:13:11,639 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:13:11,722 INFO L349 Elim1Store]: treesize reduction 5, result has 70.6 percent of original size [2023-11-29 02:13:11,723 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 21 treesize of output 20 [2023-11-29 02:13:11,727 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2190 (Array Int Int))) (= (select (select (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_2190) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |c_ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) |c_ULTIMATE.start_dll_create_~head~0#1.base|)) is different from false [2023-11-29 02:13:11,737 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2190 (Array Int Int)) (v_ArrVal_2188 Int)) (= (select (select (store (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| (store (select |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ 12 |c_ULTIMATE.start_dll_create_~new_head~0#1.offset|) v_ArrVal_2188)) |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_2190) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |c_ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) |c_ULTIMATE.start_dll_create_~head~0#1.base|)) is different from false [2023-11-29 02:13:11,748 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:13:11,748 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 33 [2023-11-29 02:13:11,751 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 36 treesize of output 24 [2023-11-29 02:13:11,753 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 7 treesize of output 3 [2023-11-29 02:13:11,814 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 60 proven. 8 refuted. 0 times theorem prover too weak. 31 trivial. 3 not checked. [2023-11-29 02:13:11,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [572359715] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 02:13:11,814 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 02:13:11,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 10] total 21 [2023-11-29 02:13:11,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706950520] [2023-11-29 02:13:11,815 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 02:13:11,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-11-29 02:13:11,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:13:11,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-11-29 02:13:11,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=327, Unknown=2, NotChecked=74, Total=462 [2023-11-29 02:13:11,817 INFO L87 Difference]: Start difference. First operand 120 states and 135 transitions. Second operand has 22 states, 21 states have (on average 4.809523809523809) internal successors, (101), 22 states have internal predecessors, (101), 0 states have call successors, (0), 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 02:13:12,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:13:12,393 INFO L93 Difference]: Finished difference Result 135 states and 147 transitions. [2023-11-29 02:13:12,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 02:13:12,394 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 4.809523809523809) internal successors, (101), 22 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2023-11-29 02:13:12,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:13:12,395 INFO L225 Difference]: With dead ends: 135 [2023-11-29 02:13:12,395 INFO L226 Difference]: Without dead ends: 135 [2023-11-29 02:13:12,396 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 117 SyntacticMatches, 4 SemanticMatches, 27 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=138, Invalid=570, Unknown=2, NotChecked=102, Total=812 [2023-11-29 02:13:12,396 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 112 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 618 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 311 SdHoareTripleChecker+Invalid, 854 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 618 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 218 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-29 02:13:12,397 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 311 Invalid, 854 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 618 Invalid, 0 Unknown, 218 Unchecked, 0.4s Time] [2023-11-29 02:13:12,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2023-11-29 02:13:12,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 121. [2023-11-29 02:13:12,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 106 states have (on average 1.2924528301886793) internal successors, (137), 120 states have internal predecessors, (137), 0 states have call successors, (0), 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 02:13:12,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 137 transitions. [2023-11-29 02:13:12,401 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 137 transitions. Word has length 63 [2023-11-29 02:13:12,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:13:12,401 INFO L495 AbstractCegarLoop]: Abstraction has 121 states and 137 transitions. [2023-11-29 02:13:12,401 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 4.809523809523809) internal successors, (101), 22 states have internal predecessors, (101), 0 states have call successors, (0), 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 02:13:12,401 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 137 transitions. [2023-11-29 02:13:12,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-29 02:13:12,402 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:13:12,402 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:13:12,408 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb31e9-4308-48f5-88d3-c5db4d1d6320/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-29 02:13:12,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb31e9-4308-48f5-88d3-c5db4d1d6320/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-11-29 02:13:12,603 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2023-11-29 02:13:12,603 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:13:12,603 INFO L85 PathProgramCache]: Analyzing trace with hash 1114857051, now seen corresponding path program 1 times [2023-11-29 02:13:12,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:13:12,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259359029] [2023-11-29 02:13:12,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:13:12,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:13:12,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:13:13,895 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 60 proven. 27 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-29 02:13:13,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:13:13,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259359029] [2023-11-29 02:13:13,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259359029] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 02:13:13,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [811388726] [2023-11-29 02:13:13,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:13:13,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:13:13,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb31e9-4308-48f5-88d3-c5db4d1d6320/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:13:13,897 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb31e9-4308-48f5-88d3-c5db4d1d6320/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:13:13,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb31e9-4308-48f5-88d3-c5db4d1d6320/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-29 02:13:14,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:13:14,203 INFO L262 TraceCheckSpWp]: Trace formula consists of 652 conjuncts, 54 conjunts are in the unsatisfiable core [2023-11-29 02:13:14,208 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:13:14,214 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 02:13:14,324 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-11-29 02:13:14,325 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 11 treesize of output 11 [2023-11-29 02:13:14,330 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 02:13:14,403 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 02:13:14,408 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 02:13:14,448 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 23 treesize of output 11 [2023-11-29 02:13:14,456 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 23 treesize of output 11 [2023-11-29 02:13:14,489 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2023-11-29 02:13:14,489 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 45 [2023-11-29 02:13:14,493 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 24 treesize of output 11 [2023-11-29 02:13:14,667 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 25 treesize of output 13 [2023-11-29 02:13:14,673 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 7 treesize of output 3 [2023-11-29 02:13:14,691 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 60 proven. 11 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-11-29 02:13:14,691 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:13:14,835 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (+ |c_ULTIMATE.start_dll_create_~new_head~0#1.offset| 4))) (and (forall ((v_ArrVal_2570 (Array Int Int))) (<= 0 (+ (select (select (store |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_2570) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse0) 4))) (forall ((v_ArrVal_2571 (Array Int Int)) (v_ArrVal_2570 (Array Int Int))) (<= (+ (select (select (store |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_2570) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse0) 8) (select |c_#length| (select (select (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_2571) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse0)))))) is different from false [2023-11-29 02:13:14,854 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_dll_create_~new_head~0#1.base|)) (.cse1 (+ 12 |c_ULTIMATE.start_dll_create_~new_head~0#1.offset|)) (.cse2 (+ |c_ULTIMATE.start_dll_create_~new_head~0#1.offset| 4))) (and (forall ((v_ArrVal_2566 Int) (v_ArrVal_2571 (Array Int Int)) (v_ArrVal_2569 Int) (v_ArrVal_2570 (Array Int Int))) (<= (+ 8 (select (select (store (store |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| (store .cse0 .cse1 v_ArrVal_2569)) |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_2570) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse2)) (select |c_#length| (select (select (store (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| (store (select |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse1 v_ArrVal_2566)) |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_2571) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse2)))) (forall ((v_ArrVal_2569 Int) (v_ArrVal_2570 (Array Int Int))) (<= 0 (+ 4 (select (select (store (store |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| (store .cse0 .cse1 v_ArrVal_2569)) |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_2570) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse2)))))) is different from false [2023-11-29 02:13:14,868 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:13:14,868 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 55 treesize of output 61 [2023-11-29 02:13:14,878 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:13:14,878 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 46 [2023-11-29 02:13:14,883 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 62 treesize of output 50 [2023-11-29 02:13:14,887 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 96 treesize of output 78 [2023-11-29 02:13:14,897 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 15 treesize of output 11 [2023-11-29 02:13:14,905 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 11 treesize of output 7 [2023-11-29 02:13:14,913 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:13:14,913 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 35 [2023-11-29 02:13:14,916 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:13:14,918 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 22 treesize of output 10 [2023-11-29 02:13:15,194 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 55 treesize of output 51 [2023-11-29 02:13:15,262 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 60 proven. 8 refuted. 0 times theorem prover too weak. 31 trivial. 3 not checked. [2023-11-29 02:13:15,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [811388726] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 02:13:15,262 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 02:13:15,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10, 11] total 31 [2023-11-29 02:13:15,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842021379] [2023-11-29 02:13:15,263 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 02:13:15,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2023-11-29 02:13:15,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:13:15,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2023-11-29 02:13:15,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=772, Unknown=2, NotChecked=114, Total=992 [2023-11-29 02:13:15,265 INFO L87 Difference]: Start difference. First operand 121 states and 137 transitions. Second operand has 32 states, 31 states have (on average 3.870967741935484) internal successors, (120), 32 states have internal predecessors, (120), 0 states have call successors, (0), 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 02:13:16,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:13:16,094 INFO L93 Difference]: Finished difference Result 186 states and 206 transitions. [2023-11-29 02:13:16,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-29 02:13:16,095 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 3.870967741935484) internal successors, (120), 32 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2023-11-29 02:13:16,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:13:16,096 INFO L225 Difference]: With dead ends: 186 [2023-11-29 02:13:16,096 INFO L226 Difference]: Without dead ends: 186 [2023-11-29 02:13:16,097 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 110 SyntacticMatches, 3 SemanticMatches, 37 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 344 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=213, Invalid=1125, Unknown=2, NotChecked=142, Total=1482 [2023-11-29 02:13:16,097 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 182 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 788 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 428 SdHoareTripleChecker+Invalid, 1125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 788 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 300 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 02:13:16,098 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 428 Invalid, 1125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 788 Invalid, 0 Unknown, 300 Unchecked, 0.5s Time] [2023-11-29 02:13:16,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2023-11-29 02:13:16,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 128. [2023-11-29 02:13:16,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 114 states have (on average 1.2894736842105263) internal successors, (147), 127 states have internal predecessors, (147), 0 states have call successors, (0), 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 02:13:16,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 147 transitions. [2023-11-29 02:13:16,102 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 147 transitions. Word has length 63 [2023-11-29 02:13:16,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:13:16,102 INFO L495 AbstractCegarLoop]: Abstraction has 128 states and 147 transitions. [2023-11-29 02:13:16,102 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 3.870967741935484) internal successors, (120), 32 states have internal predecessors, (120), 0 states have call successors, (0), 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 02:13:16,102 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 147 transitions. [2023-11-29 02:13:16,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-29 02:13:16,103 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:13:16,103 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:13:16,109 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb31e9-4308-48f5-88d3-c5db4d1d6320/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-11-29 02:13:16,307 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb31e9-4308-48f5-88d3-c5db4d1d6320/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-11-29 02:13:16,308 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2023-11-29 02:13:16,308 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:13:16,308 INFO L85 PathProgramCache]: Analyzing trace with hash 1110535908, now seen corresponding path program 1 times [2023-11-29 02:13:16,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:13:16,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490644793] [2023-11-29 02:13:16,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:13:16,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:13:16,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:13:17,350 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 50 proven. 32 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-11-29 02:13:17,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:13:17,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490644793] [2023-11-29 02:13:17,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490644793] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 02:13:17,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1046252186] [2023-11-29 02:13:17,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:13:17,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:13:17,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb31e9-4308-48f5-88d3-c5db4d1d6320/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:13:17,352 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb31e9-4308-48f5-88d3-c5db4d1d6320/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:13:17,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb31e9-4308-48f5-88d3-c5db4d1d6320/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-29 02:13:17,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:13:17,639 INFO L262 TraceCheckSpWp]: Trace formula consists of 639 conjuncts, 42 conjunts are in the unsatisfiable core [2023-11-29 02:13:17,642 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:13:17,646 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 02:13:17,667 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-11-29 02:13:17,667 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 11 treesize of output 11 [2023-11-29 02:13:17,681 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 02:13:17,690 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 19 treesize of output 18 [2023-11-29 02:13:17,719 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 30 treesize of output 21 [2023-11-29 02:13:17,732 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 30 treesize of output 21 [2023-11-29 02:13:17,750 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 23 treesize of output 16 [2023-11-29 02:13:17,838 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 60 proven. 10 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-11-29 02:13:17,838 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:13:18,111 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 58 treesize of output 56 [2023-11-29 02:13:18,117 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 7 treesize of output 3 [2023-11-29 02:13:18,195 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 60 proven. 10 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-11-29 02:13:18,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1046252186] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 02:13:18,195 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 02:13:18,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 15] total 27 [2023-11-29 02:13:18,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130985892] [2023-11-29 02:13:18,195 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 02:13:18,196 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-11-29 02:13:18,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:13:18,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-11-29 02:13:18,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=593, Unknown=18, NotChecked=0, Total=702 [2023-11-29 02:13:18,197 INFO L87 Difference]: Start difference. First operand 128 states and 147 transitions. Second operand has 27 states, 27 states have (on average 3.5185185185185186) internal successors, (95), 27 states have internal predecessors, (95), 0 states have call successors, (0), 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 02:13:18,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:13:18,713 INFO L93 Difference]: Finished difference Result 145 states and 164 transitions. [2023-11-29 02:13:18,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 02:13:18,714 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 3.5185185185185186) internal successors, (95), 27 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2023-11-29 02:13:18,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:13:18,715 INFO L225 Difference]: With dead ends: 145 [2023-11-29 02:13:18,715 INFO L226 Difference]: Without dead ends: 145 [2023-11-29 02:13:18,715 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 243 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=201, Invalid=1041, Unknown=18, NotChecked=0, Total=1260 [2023-11-29 02:13:18,716 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 76 mSDsluCounter, 552 mSDsCounter, 0 mSdLazyCounter, 645 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 585 SdHoareTripleChecker+Invalid, 681 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 645 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-29 02:13:18,716 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 585 Invalid, 681 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 645 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-29 02:13:18,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2023-11-29 02:13:18,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 128. [2023-11-29 02:13:18,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 114 states have (on average 1.2719298245614035) internal successors, (145), 127 states have internal predecessors, (145), 0 states have call successors, (0), 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 02:13:18,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 145 transitions. [2023-11-29 02:13:18,719 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 145 transitions. Word has length 63 [2023-11-29 02:13:18,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:13:18,719 INFO L495 AbstractCegarLoop]: Abstraction has 128 states and 145 transitions. [2023-11-29 02:13:18,719 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 3.5185185185185186) internal successors, (95), 27 states have internal predecessors, (95), 0 states have call successors, (0), 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 02:13:18,719 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 145 transitions. [2023-11-29 02:13:18,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-29 02:13:18,719 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:13:18,720 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:13:18,726 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb31e9-4308-48f5-88d3-c5db4d1d6320/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-11-29 02:13:18,920 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb31e9-4308-48f5-88d3-c5db4d1d6320/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-11-29 02:13:18,920 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2023-11-29 02:13:18,920 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:13:18,921 INFO L85 PathProgramCache]: Analyzing trace with hash -881903572, now seen corresponding path program 1 times [2023-11-29 02:13:18,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:13:18,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411289763] [2023-11-29 02:13:18,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:13:18,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:13:18,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:13:19,466 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 56 proven. 8 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2023-11-29 02:13:19,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:13:19,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411289763] [2023-11-29 02:13:19,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1411289763] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 02:13:19,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [999096393] [2023-11-29 02:13:19,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:13:19,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:13:19,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb31e9-4308-48f5-88d3-c5db4d1d6320/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:13:19,467 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb31e9-4308-48f5-88d3-c5db4d1d6320/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:13:19,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb31e9-4308-48f5-88d3-c5db4d1d6320/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-29 02:13:19,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:13:19,772 INFO L262 TraceCheckSpWp]: Trace formula consists of 644 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-29 02:13:19,775 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:13:19,780 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 5 [2023-11-29 02:13:19,835 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-11-29 02:13:19,836 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 1 case distinctions, treesize of input 11 treesize of output 11 [2023-11-29 02:13:19,885 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 7 [2023-11-29 02:13:19,910 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 23 treesize of output 11 [2023-11-29 02:13:19,930 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2023-11-29 02:13:19,930 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 32 [2023-11-29 02:13:20,003 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:13:20,003 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 26 treesize of output 20 [2023-11-29 02:13:20,054 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 60 proven. 10 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-11-29 02:13:20,054 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:13:20,381 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:13:20,382 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 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 23 treesize of output 24 [2023-11-29 02:13:20,390 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:13:20,391 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 39 treesize of output 35 [2023-11-29 02:13:20,400 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 22 treesize of output 18 [2023-11-29 02:13:20,429 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:13:20,429 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 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 21 treesize of output 22 [2023-11-29 02:13:20,439 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:13:20,440 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 35 treesize of output 33 [2023-11-29 02:13:20,444 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 20 treesize of output 18 [2023-11-29 02:13:20,632 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 60 proven. 10 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-11-29 02:13:20,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [999096393] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 02:13:20,633 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 02:13:20,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11, 11] total 27 [2023-11-29 02:13:20,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703846040] [2023-11-29 02:13:20,633 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 02:13:20,634 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-11-29 02:13:20,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:13:20,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-11-29 02:13:20,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=629, Unknown=0, NotChecked=0, Total=702 [2023-11-29 02:13:20,635 INFO L87 Difference]: Start difference. First operand 128 states and 145 transitions. Second operand has 27 states, 27 states have (on average 3.5555555555555554) internal successors, (96), 27 states have internal predecessors, (96), 0 states have call successors, (0), 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 02:13:21,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:13:21,326 INFO L93 Difference]: Finished difference Result 130 states and 146 transitions. [2023-11-29 02:13:21,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-29 02:13:21,327 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 3.5555555555555554) internal successors, (96), 27 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2023-11-29 02:13:21,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:13:21,328 INFO L225 Difference]: With dead ends: 130 [2023-11-29 02:13:21,328 INFO L226 Difference]: Without dead ends: 127 [2023-11-29 02:13:21,329 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 114 SyntacticMatches, 2 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 258 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=249, Invalid=1311, Unknown=0, NotChecked=0, Total=1560 [2023-11-29 02:13:21,329 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 42 mSDsluCounter, 671 mSDsCounter, 0 mSdLazyCounter, 748 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 709 SdHoareTripleChecker+Invalid, 777 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 748 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-29 02:13:21,329 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 709 Invalid, 777 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 748 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-29 02:13:21,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2023-11-29 02:13:21,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2023-11-29 02:13:21,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 113 states have (on average 1.2654867256637168) internal successors, (143), 126 states have internal predecessors, (143), 0 states have call successors, (0), 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 02:13:21,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 143 transitions. [2023-11-29 02:13:21,333 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 143 transitions. Word has length 64 [2023-11-29 02:13:21,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:13:21,333 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 143 transitions. [2023-11-29 02:13:21,333 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 3.5555555555555554) internal successors, (96), 27 states have internal predecessors, (96), 0 states have call successors, (0), 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 02:13:21,334 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 143 transitions. [2023-11-29 02:13:21,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-29 02:13:21,334 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:13:21,334 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:13:21,340 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb31e9-4308-48f5-88d3-c5db4d1d6320/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-11-29 02:13:21,534 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb31e9-4308-48f5-88d3-c5db4d1d6320/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-11-29 02:13:21,535 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2023-11-29 02:13:21,535 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:13:21,535 INFO L85 PathProgramCache]: Analyzing trace with hash 43447539, now seen corresponding path program 1 times [2023-11-29 02:13:21,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:13:21,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744569089] [2023-11-29 02:13:21,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:13:21,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:13:21,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:13:21,785 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2023-11-29 02:13:21,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:13:21,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744569089] [2023-11-29 02:13:21,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [744569089] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 02:13:21,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1555087993] [2023-11-29 02:13:21,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:13:21,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:13:21,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb31e9-4308-48f5-88d3-c5db4d1d6320/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:13:21,786 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb31e9-4308-48f5-88d3-c5db4d1d6320/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:13:21,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb31e9-4308-48f5-88d3-c5db4d1d6320/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-29 02:13:22,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:13:22,120 INFO L262 TraceCheckSpWp]: Trace formula consists of 670 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-29 02:13:22,122 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:13:22,175 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 31 treesize of output 19 [2023-11-29 02:13:22,177 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 25 treesize of output 13 [2023-11-29 02:13:22,194 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2023-11-29 02:13:22,194 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:13:22,259 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2023-11-29 02:13:22,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1555087993] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 02:13:22,259 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 02:13:22,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5, 5] total 9 [2023-11-29 02:13:22,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379883716] [2023-11-29 02:13:22,259 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 02:13:22,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 02:13:22,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:13:22,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 02:13:22,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2023-11-29 02:13:22,261 INFO L87 Difference]: Start difference. First operand 127 states and 143 transitions. Second operand has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 9 states have internal predecessors, (58), 0 states have call successors, (0), 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 02:13:22,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:13:22,403 INFO L93 Difference]: Finished difference Result 132 states and 144 transitions. [2023-11-29 02:13:22,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 02:13:22,404 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 9 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2023-11-29 02:13:22,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:13:22,405 INFO L225 Difference]: With dead ends: 132 [2023-11-29 02:13:22,405 INFO L226 Difference]: Without dead ends: 132 [2023-11-29 02:13:22,405 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2023-11-29 02:13:22,406 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 137 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 02:13:22,406 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 87 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 02:13:22,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2023-11-29 02:13:22,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 127. [2023-11-29 02:13:22,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 113 states have (on average 1.247787610619469) internal successors, (141), 126 states have internal predecessors, (141), 0 states have call successors, (0), 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 02:13:22,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 141 transitions. [2023-11-29 02:13:22,409 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 141 transitions. Word has length 67 [2023-11-29 02:13:22,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:13:22,409 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 141 transitions. [2023-11-29 02:13:22,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 9 states have internal predecessors, (58), 0 states have call successors, (0), 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 02:13:22,409 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 141 transitions. [2023-11-29 02:13:22,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-29 02:13:22,410 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:13:22,410 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:13:22,416 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb31e9-4308-48f5-88d3-c5db4d1d6320/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-11-29 02:13:22,610 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb31e9-4308-48f5-88d3-c5db4d1d6320/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:13:22,610 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2023-11-29 02:13:22,611 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:13:22,611 INFO L85 PathProgramCache]: Analyzing trace with hash 1727225695, now seen corresponding path program 1 times [2023-11-29 02:13:22,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:13:22,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412744312] [2023-11-29 02:13:22,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:13:22,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:13:22,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:13:24,285 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 67 proven. 36 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-29 02:13:24,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:13:24,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412744312] [2023-11-29 02:13:24,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1412744312] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 02:13:24,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [66146438] [2023-11-29 02:13:24,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:13:24,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:13:24,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb31e9-4308-48f5-88d3-c5db4d1d6320/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:13:24,286 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb31e9-4308-48f5-88d3-c5db4d1d6320/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:13:24,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb31e9-4308-48f5-88d3-c5db4d1d6320/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-29 02:13:24,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:13:24,604 INFO L262 TraceCheckSpWp]: Trace formula consists of 674 conjuncts, 84 conjunts are in the unsatisfiable core [2023-11-29 02:13:24,609 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:13:24,611 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 02:13:24,637 INFO L349 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2023-11-29 02:13:24,637 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2023-11-29 02:13:24,677 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 02:13:24,712 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 23 treesize of output 11 [2023-11-29 02:13:24,725 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 19 treesize of output 18 [2023-11-29 02:13:24,770 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 30 treesize of output 21 [2023-11-29 02:13:24,786 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 30 treesize of output 21 [2023-11-29 02:13:24,809 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 23 treesize of output 16 [2023-11-29 02:13:24,905 INFO L349 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2023-11-29 02:13:24,905 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 18 [2023-11-29 02:13:24,949 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 23 treesize of output 16 [2023-11-29 02:13:24,961 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 23 treesize of output 16 [2023-11-29 02:13:24,973 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 23 treesize of output 16 [2023-11-29 02:13:24,988 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 23 treesize of output 16 [2023-11-29 02:13:24,995 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 02:13:24,999 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 02:13:25,042 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 23 treesize of output 11 [2023-11-29 02:13:25,050 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 23 treesize of output 16 [2023-11-29 02:13:25,057 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 23 treesize of output 11 [2023-11-29 02:13:25,096 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2023-11-29 02:13:25,097 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 77 [2023-11-29 02:13:25,100 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 24 treesize of output 11 [2023-11-29 02:13:25,105 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 50 treesize of output 29 [2023-11-29 02:13:25,338 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 38 treesize of output 22 [2023-11-29 02:13:25,343 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 7 treesize of output 3 [2023-11-29 02:13:25,386 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 73 proven. 24 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-29 02:13:25,386 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:13:25,496 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_4082 (Array Int Int)) (v_ArrVal_4083 (Array Int Int)) (v_ArrVal_4085 (Array Int Int))) (or (= (let ((.cse0 (+ |c_ULTIMATE.start_dll_create_~new_head~0#1.offset| 4))) (select (select (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_4085) (select (select (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_4082) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse0)) (select (select (store |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_4083) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse0))) 0) (not (= v_ArrVal_4085 (let ((.cse1 (+ |c_ULTIMATE.start_dll_create_~head~0#1.offset| 12))) (store (select |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse1 (select v_ArrVal_4085 .cse1))))))) is different from false [2023-11-29 02:13:25,518 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_4077 (Array Int Int)) (v_ArrVal_4080 Int) (v_ArrVal_4079 Int) (v_ArrVal_4082 (Array Int Int)) (v_ArrVal_4083 (Array Int Int)) (v_ArrVal_4085 (Array Int Int))) (let ((.cse0 (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_4077))) (or (= (let ((.cse1 (+ 12 |c_ULTIMATE.start_dll_create_~new_head~0#1.offset|)) (.cse2 (+ |c_ULTIMATE.start_dll_create_~new_head~0#1.offset| 4))) (select (select (store .cse0 |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_4085) (select (select (store (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| (store (select |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse1 v_ArrVal_4079)) |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_4082) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse2)) (select (select (store (store |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| (store (select |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse1 v_ArrVal_4080)) |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_4083) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse2))) 0) (not (= v_ArrVal_4085 (let ((.cse3 (+ |c_ULTIMATE.start_dll_create_~head~0#1.offset| 12))) (store (select .cse0 |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse3 (select v_ArrVal_4085 .cse3)))))))) is different from false [2023-11-29 02:13:25,532 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:13:25,533 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 61 treesize of output 67 [2023-11-29 02:13:25,539 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 104 treesize of output 92 [2023-11-29 02:13:25,545 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 45 treesize of output 41 [2023-11-29 02:13:25,555 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:13:25,555 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 76 treesize of output 66 [2023-11-29 02:13:25,561 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 96 treesize of output 78 [2023-11-29 02:13:25,567 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 21 treesize of output 17 [2023-11-29 02:13:25,609 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse1 (+ |c_ULTIMATE.start_dll_create_~head~0#1.offset| 12)) (.cse2 (= |c_ULTIMATE.start_dll_create_~new_head~0#1.base| |c_ULTIMATE.start_dll_create_~head~0#1.base|))) (and (or (forall ((v_arrayElimCell_94 Int) (v_ArrVal_4077 (Array Int Int)) (v_arrayElimCell_92 Int) (v_ArrVal_4085 (Array Int Int))) (let ((.cse0 (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_4077))) (or (not (= v_ArrVal_4085 (store (select .cse0 |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse1 (select v_ArrVal_4085 .cse1)))) (= (select (select (store .cse0 |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_4085) v_arrayElimCell_92) v_arrayElimCell_94) 0)))) (not .cse2)) (forall ((v_arrayElimCell_94 Int) (v_ArrVal_4077 (Array Int Int)) (v_arrayElimCell_92 Int) (v_ArrVal_4085 (Array Int Int))) (let ((.cse3 (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_4077))) (or (not (= v_ArrVal_4085 (store (select .cse3 |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse1 (select v_ArrVal_4085 .cse1)))) (= (select (select (store .cse3 |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_4085) v_arrayElimCell_92) v_arrayElimCell_94) 0) (= (select v_ArrVal_4085 |c_ULTIMATE.start_dll_create_~head~0#1.offset|) 0)))) (or .cse2 (forall ((v_ArrVal_4077 (Array Int Int))) (= (select (select (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_4077) |c_ULTIMATE.start_dll_create_~head~0#1.base|) |c_ULTIMATE.start_dll_create_~head~0#1.offset|) 0))))) is different from false [2023-11-29 02:13:25,739 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 13 treesize of output 1 [2023-11-29 02:13:47,388 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:13:47,390 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 61 treesize of output 59 [2023-11-29 02:13:47,393 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 5 treesize of output 3 [2023-11-29 02:13:47,406 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 52 treesize of output 48 [2023-11-29 02:13:47,411 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 24 treesize of output 22 [2023-11-29 02:13:47,414 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 46 treesize of output 42 [2023-11-29 02:13:47,442 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:13:47,459 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:13:47,460 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 311 treesize of output 313 [2023-11-29 02:13:47,506 INFO L349 Elim1Store]: treesize reduction 29, result has 31.0 percent of original size [2023-11-29 02:13:47,506 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 91 treesize of output 93 [2023-11-29 02:13:47,516 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 108 treesize of output 104 [2023-11-29 02:13:47,571 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 53 treesize of output 51 [2023-11-29 02:13:47,585 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:13:47,586 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 120 treesize of output 116 [2023-11-29 02:13:52,153 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 69 proven. 8 refuted. 4 times theorem prover too weak. 11 trivial. 16 not checked. [2023-11-29 02:13:52,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [66146438] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 02:13:52,153 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 02:13:52,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 16, 20] total 45 [2023-11-29 02:13:52,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987640556] [2023-11-29 02:13:52,153 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 02:13:52,154 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2023-11-29 02:13:52,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:13:52,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2023-11-29 02:13:52,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=198, Invalid=1495, Unknown=41, NotChecked=246, Total=1980 [2023-11-29 02:13:52,155 INFO L87 Difference]: Start difference. First operand 127 states and 141 transitions. Second operand has 45 states, 45 states have (on average 3.3555555555555556) internal successors, (151), 45 states have internal predecessors, (151), 0 states have call successors, (0), 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 02:13:55,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:13:55,114 INFO L93 Difference]: Finished difference Result 138 states and 151 transitions. [2023-11-29 02:13:55,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-11-29 02:13:55,115 INFO L78 Accepts]: Start accepts. Automaton has has 45 states, 45 states have (on average 3.3555555555555556) internal successors, (151), 45 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2023-11-29 02:13:55,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:13:55,116 INFO L225 Difference]: With dead ends: 138 [2023-11-29 02:13:55,116 INFO L226 Difference]: Without dead ends: 138 [2023-11-29 02:13:55,117 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 128 SyntacticMatches, 5 SemanticMatches, 62 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 859 ImplicationChecksByTransitivity, 27.8s TimeCoverageRelationStatistics Valid=633, Invalid=2998, Unknown=41, NotChecked=360, Total=4032 [2023-11-29 02:13:55,117 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 56 mSDsluCounter, 729 mSDsCounter, 0 mSdLazyCounter, 1089 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 763 SdHoareTripleChecker+Invalid, 1389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 1089 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 257 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-29 02:13:55,117 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 763 Invalid, 1389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 1089 Invalid, 0 Unknown, 257 Unchecked, 1.4s Time] [2023-11-29 02:13:55,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2023-11-29 02:13:55,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 127. [2023-11-29 02:13:55,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 113 states have (on average 1.238938053097345) internal successors, (140), 126 states have internal predecessors, (140), 0 states have call successors, (0), 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 02:13:55,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 140 transitions. [2023-11-29 02:13:55,121 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 140 transitions. Word has length 72 [2023-11-29 02:13:55,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:13:55,122 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 140 transitions. [2023-11-29 02:13:55,122 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 3.3555555555555556) internal successors, (151), 45 states have internal predecessors, (151), 0 states have call successors, (0), 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 02:13:55,122 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 140 transitions. [2023-11-29 02:13:55,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-29 02:13:55,123 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:13:55,123 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2023-11-29 02:13:55,130 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb31e9-4308-48f5-88d3-c5db4d1d6320/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2023-11-29 02:13:55,327 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb31e9-4308-48f5-88d3-c5db4d1d6320/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:13:55,328 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2023-11-29 02:13:55,328 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:13:55,328 INFO L85 PathProgramCache]: Analyzing trace with hash 1290870472, now seen corresponding path program 2 times [2023-11-29 02:13:55,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:13:55,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047864387] [2023-11-29 02:13:55,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:13:55,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:13:55,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:13:57,194 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 64 proven. 44 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-29 02:13:57,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:13:57,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047864387] [2023-11-29 02:13:57,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2047864387] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 02:13:57,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [456777862] [2023-11-29 02:13:57,194 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 02:13:57,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:13:57,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb31e9-4308-48f5-88d3-c5db4d1d6320/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:13:57,195 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb31e9-4308-48f5-88d3-c5db4d1d6320/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:13:57,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb31e9-4308-48f5-88d3-c5db4d1d6320/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-29 02:13:57,481 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-29 02:13:57,481 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 02:13:57,485 INFO L262 TraceCheckSpWp]: Trace formula consists of 694 conjuncts, 72 conjunts are in the unsatisfiable core [2023-11-29 02:13:57,488 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:13:57,492 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 02:13:57,527 INFO L349 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2023-11-29 02:13:57,528 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2023-11-29 02:13:57,625 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 02:13:57,689 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 23 treesize of output 11 [2023-11-29 02:13:57,723 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2023-11-29 02:13:57,723 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 33 [2023-11-29 02:13:57,848 INFO L349 Elim1Store]: treesize reduction 52, result has 34.2 percent of original size [2023-11-29 02:13:57,848 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 28 treesize of output 36 [2023-11-29 02:13:57,954 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 34 treesize of output 25 [2023-11-29 02:13:57,977 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 34 treesize of output 25 [2023-11-29 02:13:58,005 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 34 treesize of output 25 [2023-11-29 02:13:58,030 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 02:13:58,040 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 37 treesize of output 28 [2023-11-29 02:13:58,140 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-29 02:13:58,140 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 48 treesize of output 31 [2023-11-29 02:13:58,160 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 23 treesize of output 11 [2023-11-29 02:13:58,206 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-29 02:13:58,206 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 86 treesize of output 51 [2023-11-29 02:13:58,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 02:13:58,218 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 24 treesize of output 11 [2023-11-29 02:13:58,683 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 7 treesize of output 3 [2023-11-29 02:13:59,029 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-11-29 02:13:59,029 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 73 treesize of output 32 [2023-11-29 02:13:59,095 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 70 proven. 32 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-29 02:13:59,095 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:13:59,634 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:13:59,635 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 149 treesize of output 139 [2023-11-29 02:13:59,639 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 249 treesize of output 231 [2023-11-29 02:13:59,648 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 119 treesize of output 111 [2023-11-29 02:13:59,933 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:13:59,933 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 89 treesize of output 66 [2023-11-29 02:13:59,956 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:13:59,957 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 179 treesize of output 115 [2023-11-29 02:13:59,989 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:13:59,989 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 89 treesize of output 66 [2023-11-29 02:14:04,454 INFO L349 Elim1Store]: treesize reduction 64, result has 32.6 percent of original size [2023-11-29 02:14:04,454 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 4 new quantified variables, introduced 7 case distinctions, treesize of input 118 treesize of output 124 [2023-11-29 02:14:04,464 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:14:04,542 INFO L349 Elim1Store]: treesize reduction 25, result has 61.5 percent of original size [2023-11-29 02:14:04,542 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 91 treesize of output 110 [2023-11-29 02:14:04,637 INFO L349 Elim1Store]: treesize reduction 48, result has 32.4 percent of original size [2023-11-29 02:14:04,637 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 69 treesize of output 78 [2023-11-29 02:14:04,663 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:14:04,663 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 13 [2023-11-29 02:14:04,718 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:14:04,729 INFO L349 Elim1Store]: treesize reduction 16, result has 23.8 percent of original size [2023-11-29 02:14:04,729 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 22 [2023-11-29 02:14:04,749 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:14:04,751 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:14:04,758 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:14:04,758 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 36 [2023-11-29 02:14:04,762 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:14:04,782 INFO L349 Elim1Store]: treesize reduction 10, result has 47.4 percent of original size [2023-11-29 02:14:04,782 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 25 [2023-11-29 02:14:06,460 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:14:06,460 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:14:06,472 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:14:06,473 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 2418 treesize of output 1896 [2023-11-29 02:14:06,483 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:14:06,485 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 198 treesize of output 166 [2023-11-29 02:14:06,495 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 162 treesize of output 146 [2023-11-29 02:14:06,502 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 152 treesize of output 138 [2023-11-29 02:14:06,537 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:14:06,727 INFO L349 Elim1Store]: treesize reduction 165, result has 37.3 percent of original size [2023-11-29 02:14:06,728 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 8247 treesize of output 5671 [2023-11-29 02:14:06,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 02:14:07,000 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:14:07,001 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 13144 treesize of output 12751 [2023-11-29 02:14:07,261 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:14:07,308 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:14:07,309 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2967 treesize of output 2553 [2023-11-29 02:14:07,427 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:14:07,470 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:14:07,470 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 527 treesize of output 527 [2023-11-29 02:14:07,711 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:14:07,712 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 405 treesize of output 393 [2023-11-29 02:14:08,142 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:14:08,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 02:14:08,146 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:14:08,164 INFO L349 Elim1Store]: treesize reduction 10, result has 47.4 percent of original size [2023-11-29 02:14:08,165 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 25 [2023-11-29 02:14:09,104 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 62 proven. 40 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-29 02:14:09,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [456777862] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 02:14:09,105 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 02:14:09,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 15, 19] total 47 [2023-11-29 02:14:09,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292320689] [2023-11-29 02:14:09,105 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 02:14:09,105 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2023-11-29 02:14:09,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:14:09,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2023-11-29 02:14:09,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=234, Invalid=2016, Unknown=6, NotChecked=0, Total=2256 [2023-11-29 02:14:09,107 INFO L87 Difference]: Start difference. First operand 127 states and 140 transitions. Second operand has 48 states, 47 states have (on average 3.404255319148936) internal successors, (160), 48 states have internal predecessors, (160), 0 states have call successors, (0), 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 02:14:12,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:14:12,020 INFO L93 Difference]: Finished difference Result 179 states and 197 transitions. [2023-11-29 02:14:12,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-29 02:14:12,020 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 3.404255319148936) internal successors, (160), 48 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2023-11-29 02:14:12,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:14:12,021 INFO L225 Difference]: With dead ends: 179 [2023-11-29 02:14:12,021 INFO L226 Difference]: Without dead ends: 179 [2023-11-29 02:14:12,022 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1022 ImplicationChecksByTransitivity, 7.8s TimeCoverageRelationStatistics Valid=477, Invalid=2823, Unknown=6, NotChecked=0, Total=3306 [2023-11-29 02:14:12,022 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 211 mSDsluCounter, 548 mSDsCounter, 0 mSdLazyCounter, 1343 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 211 SdHoareTripleChecker+Valid, 579 SdHoareTripleChecker+Invalid, 1371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1343 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-11-29 02:14:12,023 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [211 Valid, 579 Invalid, 1371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1343 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-11-29 02:14:12,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2023-11-29 02:14:12,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 130. [2023-11-29 02:14:12,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 116 states have (on average 1.25) internal successors, (145), 129 states have internal predecessors, (145), 0 states have call successors, (0), 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 02:14:12,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 145 transitions. [2023-11-29 02:14:12,026 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 145 transitions. Word has length 73 [2023-11-29 02:14:12,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:14:12,026 INFO L495 AbstractCegarLoop]: Abstraction has 130 states and 145 transitions. [2023-11-29 02:14:12,027 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 3.404255319148936) internal successors, (160), 48 states have internal predecessors, (160), 0 states have call successors, (0), 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 02:14:12,027 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 145 transitions. [2023-11-29 02:14:12,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-29 02:14:12,027 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:14:12,027 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2023-11-29 02:14:12,033 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb31e9-4308-48f5-88d3-c5db4d1d6320/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2023-11-29 02:14:12,228 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb31e9-4308-48f5-88d3-c5db4d1d6320/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:14:12,228 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2023-11-29 02:14:12,228 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:14:12,228 INFO L85 PathProgramCache]: Analyzing trace with hash 1290870473, now seen corresponding path program 2 times [2023-11-29 02:14:12,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:14:12,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636608279] [2023-11-29 02:14:12,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:14:12,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:14:12,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:14:14,614 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 60 proven. 50 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-29 02:14:14,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:14:14,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636608279] [2023-11-29 02:14:14,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636608279] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 02:14:14,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1200366301] [2023-11-29 02:14:14,615 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 02:14:14,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:14:14,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb31e9-4308-48f5-88d3-c5db4d1d6320/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:14:14,616 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb31e9-4308-48f5-88d3-c5db4d1d6320/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:14:14,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb31e9-4308-48f5-88d3-c5db4d1d6320/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-29 02:14:14,928 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-29 02:14:14,928 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 02:14:14,932 INFO L262 TraceCheckSpWp]: Trace formula consists of 694 conjuncts, 92 conjunts are in the unsatisfiable core [2023-11-29 02:14:14,937 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:14:14,943 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 02:14:15,114 INFO L349 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2023-11-29 02:14:15,115 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2023-11-29 02:14:15,126 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 02:14:15,277 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 02:14:15,283 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 02:14:15,357 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 23 treesize of output 11 [2023-11-29 02:14:15,375 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 23 treesize of output 11 [2023-11-29 02:14:15,428 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2023-11-29 02:14:15,428 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 52 [2023-11-29 02:14:15,434 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 24 treesize of output 11 [2023-11-29 02:14:15,612 INFO L349 Elim1Store]: treesize reduction 21, result has 44.7 percent of original size [2023-11-29 02:14:15,613 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 18 treesize of output 21 [2023-11-29 02:14:15,643 INFO L349 Elim1Store]: treesize reduction 8, result has 61.9 percent of original size [2023-11-29 02:14:15,644 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 22 [2023-11-29 02:14:15,736 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 16 treesize of output 11 [2023-11-29 02:14:15,744 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 34 treesize of output 25 [2023-11-29 02:14:15,763 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 16 treesize of output 11 [2023-11-29 02:14:15,769 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 34 treesize of output 25 [2023-11-29 02:14:15,793 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 16 treesize of output 11 [2023-11-29 02:14:15,799 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 34 treesize of output 25 [2023-11-29 02:14:15,823 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 19 treesize of output 18 [2023-11-29 02:14:15,833 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 37 treesize of output 28 [2023-11-29 02:14:15,945 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-29 02:14:15,945 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 30 treesize of output 21 [2023-11-29 02:14:15,957 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-29 02:14:15,958 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 48 treesize of output 31 [2023-11-29 02:14:16,016 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-29 02:14:16,017 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 56 [2023-11-29 02:14:16,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 02:14:16,030 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 38 treesize of output 36 [2023-11-29 02:14:16,923 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-11-29 02:14:16,923 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 86 treesize of output 41 [2023-11-29 02:14:16,930 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2023-11-29 02:14:16,933 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 64 proven. 38 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-29 02:14:16,934 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:14:18,142 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:14:18,142 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 131 treesize of output 108 [2023-11-29 02:14:18,158 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:14:18,159 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 91 treesize of output 88 [2023-11-29 02:14:18,192 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:14:18,192 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 259 treesize of output 216 [2023-11-29 02:14:18,206 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:14:18,207 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 199 treesize of output 156 [2023-11-29 02:14:18,228 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse3 (+ |c_ULTIMATE.start_dll_create_~head~0#1.offset| 12)) (.cse0 (+ |c_ULTIMATE.start_dll_create_~new_head~0#1.offset| 4))) (and (forall ((v_arrayElimArr_19 (Array Int Int)) (v_arrayElimArr_20 (Array Int Int))) (or (not (= |c_ULTIMATE.start_dll_create_~head~0#1.offset| (select v_arrayElimArr_19 .cse0))) (not (= (select v_arrayElimArr_20 .cse0) |c_ULTIMATE.start_dll_create_~head~0#1.base|)) (< 0 (+ 5 (let ((.cse1 (let ((.cse4 (store |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_arrayElimArr_19))) (store .cse4 |c_ULTIMATE.start_dll_create_~head~0#1.base| (store (select .cse4 |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse3 |c_ULTIMATE.start_dll_create_~new_head~0#1.offset|))))) (select (select .cse1 (select (select (let ((.cse2 (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_arrayElimArr_20))) (store .cse2 |c_ULTIMATE.start_dll_create_~head~0#1.base| (store (select .cse2 |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse3 |c_ULTIMATE.start_dll_create_~new_head~0#1.base|))) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse0)) (+ (select (select .cse1 |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse0) 4))))))) (forall ((v_arrayElimArr_22 (Array Int Int)) (v_arrayElimArr_21 (Array Int Int))) (or (not (= (select v_arrayElimArr_21 .cse0) |c_ULTIMATE.start_dll_create_~head~0#1.base|)) (let ((.cse5 (let ((.cse10 (store |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_arrayElimArr_22))) (store .cse10 |c_ULTIMATE.start_dll_create_~head~0#1.base| (store (select .cse10 |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse3 |c_ULTIMATE.start_dll_create_~new_head~0#1.offset|)))) (.cse8 (let ((.cse9 (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_arrayElimArr_21))) (store .cse9 |c_ULTIMATE.start_dll_create_~head~0#1.base| (store (select .cse9 |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse3 |c_ULTIMATE.start_dll_create_~new_head~0#1.base|))))) (let ((.cse6 (select (select .cse8 |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse0)) (.cse7 (+ (select (select .cse5 |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse0) 4))) (< (+ 7 (select (select .cse5 .cse6) .cse7)) (select |c_#length| (select (select .cse8 .cse6) .cse7))))) (not (= |c_ULTIMATE.start_dll_create_~head~0#1.offset| (select v_arrayElimArr_22 .cse0))))))) is different from false [2023-11-29 02:14:23,996 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:14:24,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 02:14:24,220 INFO L349 Elim1Store]: treesize reduction 539, result has 15.0 percent of original size [2023-11-29 02:14:24,220 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 4190 treesize of output 3603 [2023-11-29 02:14:24,251 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:14:24,284 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:14:24,284 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 1901 treesize of output 1486 [2023-11-29 02:14:24,359 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:14:24,360 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 2012 treesize of output 1911 [2023-11-29 02:14:24,431 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 2755 treesize of output 2693 [2023-11-29 02:14:24,491 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:14:24,629 INFO L349 Elim1Store]: treesize reduction 10, result has 76.7 percent of original size [2023-11-29 02:14:24,629 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 1364 treesize of output 1342 [2023-11-29 02:14:24,711 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:14:24,712 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 1819 treesize of output 1669 [2023-11-29 02:14:24,860 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 97 treesize of output 95 [2023-11-29 02:14:24,899 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 1204 treesize of output 1124 [2023-11-29 02:14:25,024 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:14:25,024 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 58 treesize of output 60 [2023-11-29 02:14:25,299 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 38 treesize of output 30 [2023-11-29 02:14:25,450 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:14:25,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 02:14:25,692 INFO L349 Elim1Store]: treesize reduction 539, result has 15.0 percent of original size [2023-11-29 02:14:25,692 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 3688 treesize of output 3332 [2023-11-29 02:14:25,722 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:14:25,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 02:14:25,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 02:14:26,091 INFO L349 Elim1Store]: treesize reduction 143, result has 48.4 percent of original size [2023-11-29 02:14:26,092 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 67173 treesize of output 45082 [2023-11-29 02:14:26,424 INFO L349 Elim1Store]: treesize reduction 30, result has 67.0 percent of original size [2023-11-29 02:14:26,425 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 7753 treesize of output 7570 [2023-11-29 02:14:26,631 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:14:26,632 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 10272 treesize of output 9907 [2023-11-29 02:14:26,757 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:14:26,916 INFO L349 Elim1Store]: treesize reduction 10, result has 76.7 percent of original size [2023-11-29 02:14:26,916 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2214 treesize of output 2184 [2023-11-29 02:14:27,033 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:14:27,034 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 3263 treesize of output 3023 [2023-11-29 02:14:27,309 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:14:27,310 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 1788 treesize of output 1760 [2023-11-29 02:14:27,470 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:14:27,470 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 2125 treesize of output 1993 [2023-11-29 02:14:28,383 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 36 treesize of output 28 [2023-11-29 02:14:28,412 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 32 treesize of output 24 [2023-11-29 02:14:31,975 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 346 treesize of output 336 [2023-11-29 02:14:32,519 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 60 proven. 34 refuted. 0 times theorem prover too weak. 11 trivial. 8 not checked. [2023-11-29 02:14:32,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1200366301] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 02:14:32,520 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 02:14:32,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 15, 18] total 51 [2023-11-29 02:14:32,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118562900] [2023-11-29 02:14:32,520 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 02:14:32,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2023-11-29 02:14:32,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:14:32,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2023-11-29 02:14:32,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=196, Invalid=2353, Unknown=5, NotChecked=98, Total=2652 [2023-11-29 02:14:32,523 INFO L87 Difference]: Start difference. First operand 130 states and 145 transitions. Second operand has 52 states, 51 states have (on average 3.5098039215686274) internal successors, (179), 52 states have internal predecessors, (179), 0 states have call successors, (0), 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 02:14:42,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:14:42,349 INFO L93 Difference]: Finished difference Result 190 states and 210 transitions. [2023-11-29 02:14:42,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-11-29 02:14:42,350 INFO L78 Accepts]: Start accepts. Automaton has has 52 states, 51 states have (on average 3.5098039215686274) internal successors, (179), 52 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2023-11-29 02:14:42,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:14:42,351 INFO L225 Difference]: With dead ends: 190 [2023-11-29 02:14:42,351 INFO L226 Difference]: Without dead ends: 190 [2023-11-29 02:14:42,352 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 117 SyntacticMatches, 6 SemanticMatches, 69 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1525 ImplicationChecksByTransitivity, 13.4s TimeCoverageRelationStatistics Valid=664, Invalid=4165, Unknown=5, NotChecked=136, Total=4970 [2023-11-29 02:14:42,353 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 285 mSDsluCounter, 743 mSDsCounter, 0 mSdLazyCounter, 1802 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 777 SdHoareTripleChecker+Invalid, 2019 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 1802 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 159 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2023-11-29 02:14:42,353 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [285 Valid, 777 Invalid, 2019 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 1802 Invalid, 0 Unknown, 159 Unchecked, 6.5s Time] [2023-11-29 02:14:42,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2023-11-29 02:14:42,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 137. [2023-11-29 02:14:42,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 123 states have (on average 1.2520325203252032) internal successors, (154), 136 states have internal predecessors, (154), 0 states have call successors, (0), 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 02:14:42,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 154 transitions. [2023-11-29 02:14:42,357 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 154 transitions. Word has length 73 [2023-11-29 02:14:42,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:14:42,357 INFO L495 AbstractCegarLoop]: Abstraction has 137 states and 154 transitions. [2023-11-29 02:14:42,358 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 51 states have (on average 3.5098039215686274) internal successors, (179), 52 states have internal predecessors, (179), 0 states have call successors, (0), 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 02:14:42,358 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 154 transitions. [2023-11-29 02:14:42,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-29 02:14:42,358 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:14:42,359 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:14:42,364 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb31e9-4308-48f5-88d3-c5db4d1d6320/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2023-11-29 02:14:42,559 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb31e9-4308-48f5-88d3-c5db4d1d6320/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:14:42,559 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2023-11-29 02:14:42,559 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:14:42,559 INFO L85 PathProgramCache]: Analyzing trace with hash 1286549330, now seen corresponding path program 1 times [2023-11-29 02:14:42,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:14:42,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259250775] [2023-11-29 02:14:42,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:14:42,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:14:42,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:14:44,865 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 65 proven. 39 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-29 02:14:44,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:14:44,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259250775] [2023-11-29 02:14:44,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259250775] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 02:14:44,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [395990585] [2023-11-29 02:14:44,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:14:44,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:14:44,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb31e9-4308-48f5-88d3-c5db4d1d6320/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:14:44,867 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb31e9-4308-48f5-88d3-c5db4d1d6320/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:14:44,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb31e9-4308-48f5-88d3-c5db4d1d6320/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-29 02:14:45,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:14:45,178 INFO L262 TraceCheckSpWp]: Trace formula consists of 681 conjuncts, 79 conjunts are in the unsatisfiable core [2023-11-29 02:14:45,182 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:14:45,188 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 02:14:45,285 INFO L349 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2023-11-29 02:14:45,285 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2023-11-29 02:14:45,450 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 02:14:45,556 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 19 treesize of output 18 [2023-11-29 02:14:45,690 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 30 treesize of output 21 [2023-11-29 02:14:45,734 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 30 treesize of output 21 [2023-11-29 02:14:45,791 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 23 treesize of output 16 [2023-11-29 02:14:46,127 INFO L349 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2023-11-29 02:14:46,128 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 18 [2023-11-29 02:14:46,295 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 23 treesize of output 16 [2023-11-29 02:14:46,325 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 23 treesize of output 16 [2023-11-29 02:14:46,364 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 23 treesize of output 16 [2023-11-29 02:14:46,387 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 23 treesize of output 16 [2023-11-29 02:14:46,403 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 02:14:46,420 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 02:14:46,566 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 23 treesize of output 11 [2023-11-29 02:14:46,577 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 23 treesize of output 16 [2023-11-29 02:14:46,594 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 23 treesize of output 11 [2023-11-29 02:14:46,679 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2023-11-29 02:14:46,679 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 77 [2023-11-29 02:14:46,685 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 24 treesize of output 11 [2023-11-29 02:14:46,697 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 50 treesize of output 29 [2023-11-29 02:14:47,322 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 38 treesize of output 22 [2023-11-29 02:14:47,328 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 7 treesize of output 3 [2023-11-29 02:14:47,500 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 71 proven. 27 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-29 02:14:47,500 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:14:47,862 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_5260 (Array Int Int)) (v_ArrVal_5262 (Array Int Int)) (v_ArrVal_5261 (Array Int Int))) (or (not (= (let ((.cse0 (+ |c_ULTIMATE.start_dll_create_~head~0#1.offset| 12))) (store (select |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse0 (select v_ArrVal_5261 .cse0))) v_ArrVal_5261)) (= (let ((.cse1 (+ |c_ULTIMATE.start_dll_create_~new_head~0#1.offset| 4))) (select (select (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_5261) (select (select (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_5260) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse1)) (+ 8 (select (select (store |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_5262) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse1)))) 0))) is different from false [2023-11-29 02:14:47,899 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_5256 (Array Int Int)) (v_ArrVal_5258 Int) (v_ArrVal_5257 Int) (v_ArrVal_5260 (Array Int Int)) (v_ArrVal_5262 (Array Int Int)) (v_ArrVal_5261 (Array Int Int))) (let ((.cse0 (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_5256))) (or (= (let ((.cse1 (+ 12 |c_ULTIMATE.start_dll_create_~new_head~0#1.offset|)) (.cse2 (+ |c_ULTIMATE.start_dll_create_~new_head~0#1.offset| 4))) (select (select (store .cse0 |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_5261) (select (select (store (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| (store (select |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse1 v_ArrVal_5257)) |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_5260) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse2)) (+ 8 (select (select (store (store |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| (store (select |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse1 v_ArrVal_5258)) |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_5262) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse2)))) 0) (not (= v_ArrVal_5261 (let ((.cse3 (+ |c_ULTIMATE.start_dll_create_~head~0#1.offset| 12))) (store (select .cse0 |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse3 (select v_ArrVal_5261 .cse3)))))))) is different from false [2023-11-29 02:14:47,923 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:14:47,924 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 63 treesize of output 69 [2023-11-29 02:14:47,935 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 108 treesize of output 96 [2023-11-29 02:14:47,944 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 47 treesize of output 43 [2023-11-29 02:14:47,967 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:14:47,968 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 80 treesize of output 70 [2023-11-29 02:14:47,980 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 104 treesize of output 86 [2023-11-29 02:14:47,988 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 23 treesize of output 19 [2023-11-29 02:14:48,078 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse1 (+ |c_ULTIMATE.start_dll_create_~head~0#1.offset| 12)) (.cse4 (= |c_ULTIMATE.start_dll_create_~new_head~0#1.base| |c_ULTIMATE.start_dll_create_~head~0#1.base|)) (.cse2 (+ |c_ULTIMATE.start_dll_create_~head~0#1.offset| 8))) (and (forall ((v_ArrVal_5261 (Array Int Int))) (or (forall ((v_ArrVal_5256 (Array Int Int))) (let ((.cse0 (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_5256))) (or (not (= v_ArrVal_5261 (store (select .cse0 |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse1 (select v_ArrVal_5261 .cse1)))) (forall ((v_arrayElimCell_266 Int) (v_arrayElimCell_268 Int)) (= (select (select (store .cse0 |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_5261) v_arrayElimCell_266) (+ v_arrayElimCell_268 8)) 0))))) (= (select v_ArrVal_5261 .cse2) 0))) (or (forall ((v_ArrVal_5256 (Array Int Int)) (v_arrayElimCell_266 Int) (v_arrayElimCell_268 Int) (v_ArrVal_5261 (Array Int Int))) (let ((.cse3 (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_5256))) (or (= (select (select (store .cse3 |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_5261) v_arrayElimCell_266) (+ v_arrayElimCell_268 8)) 0) (not (= v_ArrVal_5261 (store (select .cse3 |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse1 (select v_ArrVal_5261 .cse1))))))) (not .cse4)) (or .cse4 (forall ((v_ArrVal_5256 (Array Int Int))) (= (select (select (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_5256) |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse2) 0))))) is different from false [2023-11-29 02:14:48,324 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 13 treesize of output 1 [2023-11-29 02:15:07,443 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:15:07,443 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 244 treesize of output 248 [2023-11-29 02:15:07,536 INFO L349 Elim1Store]: treesize reduction 18, result has 60.9 percent of original size [2023-11-29 02:15:07,536 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 145 treesize of output 159 [2023-11-29 02:15:07,619 INFO L349 Elim1Store]: treesize reduction 18, result has 60.9 percent of original size [2023-11-29 02:15:07,619 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 210 treesize of output 211 [2023-11-29 02:15:07,976 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 55 treesize of output 51 [2023-11-29 02:15:08,108 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:15:08,108 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 66 treesize of output 68 [2023-11-29 02:15:08,279 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:15:08,279 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 37 [2023-11-29 02:15:08,370 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:15:08,370 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 74 treesize of output 76 [2023-11-29 02:15:08,564 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:15:08,567 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 58 treesize of output 56 [2023-11-29 02:15:08,589 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 7 treesize of output 3 [2023-11-29 02:15:09,482 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 65 proven. 11 refuted. 6 times theorem prover too weak. 11 trivial. 16 not checked. [2023-11-29 02:15:09,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [395990585] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 02:15:09,482 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 02:15:09,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 17, 20] total 46 [2023-11-29 02:15:09,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973984114] [2023-11-29 02:15:09,482 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 02:15:09,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2023-11-29 02:15:09,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:15:09,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2023-11-29 02:15:09,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=202, Invalid=1584, Unknown=32, NotChecked=252, Total=2070 [2023-11-29 02:15:09,484 INFO L87 Difference]: Start difference. First operand 137 states and 154 transitions. Second operand has 46 states, 46 states have (on average 3.4130434782608696) internal successors, (157), 46 states have internal predecessors, (157), 0 states have call successors, (0), 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 02:15:16,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:15:16,093 INFO L93 Difference]: Finished difference Result 155 states and 172 transitions. [2023-11-29 02:15:16,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-11-29 02:15:16,094 INFO L78 Accepts]: Start accepts. Automaton has has 46 states, 46 states have (on average 3.4130434782608696) internal successors, (157), 46 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2023-11-29 02:15:16,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:15:16,095 INFO L225 Difference]: With dead ends: 155 [2023-11-29 02:15:16,095 INFO L226 Difference]: Without dead ends: 155 [2023-11-29 02:15:16,097 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 130 SyntacticMatches, 5 SemanticMatches, 65 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 1023 ImplicationChecksByTransitivity, 24.2s TimeCoverageRelationStatistics Valid=664, Invalid=3348, Unknown=32, NotChecked=378, Total=4422 [2023-11-29 02:15:16,097 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 90 mSDsluCounter, 757 mSDsCounter, 0 mSdLazyCounter, 1213 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 789 SdHoareTripleChecker+Invalid, 1531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 1213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 254 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2023-11-29 02:15:16,097 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 789 Invalid, 1531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 1213 Invalid, 0 Unknown, 254 Unchecked, 3.7s Time] [2023-11-29 02:15:16,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2023-11-29 02:15:16,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 137. [2023-11-29 02:15:16,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 123 states have (on average 1.2357723577235773) internal successors, (152), 136 states have internal predecessors, (152), 0 states have call successors, (0), 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 02:15:16,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 152 transitions. [2023-11-29 02:15:16,100 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 152 transitions. Word has length 73 [2023-11-29 02:15:16,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:15:16,100 INFO L495 AbstractCegarLoop]: Abstraction has 137 states and 152 transitions. [2023-11-29 02:15:16,101 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 3.4130434782608696) internal successors, (157), 46 states have internal predecessors, (157), 0 states have call successors, (0), 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 02:15:16,101 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 152 transitions. [2023-11-29 02:15:16,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-29 02:15:16,101 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:15:16,101 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 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 02:15:16,108 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb31e9-4308-48f5-88d3-c5db4d1d6320/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-11-29 02:15:16,302 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb31e9-4308-48f5-88d3-c5db4d1d6320/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:15:16,302 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2023-11-29 02:15:16,302 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:15:16,302 INFO L85 PathProgramCache]: Analyzing trace with hash 279545214, now seen corresponding path program 1 times [2023-11-29 02:15:16,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:15:16,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550170122] [2023-11-29 02:15:16,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:15:16,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:15:16,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:15:18,487 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 64 proven. 34 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-29 02:15:18,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:15:18,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550170122] [2023-11-29 02:15:18,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550170122] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 02:15:18,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1694471232] [2023-11-29 02:15:18,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:15:18,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:15:18,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb31e9-4308-48f5-88d3-c5db4d1d6320/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:15:18,489 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb31e9-4308-48f5-88d3-c5db4d1d6320/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:15:18,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb31e9-4308-48f5-88d3-c5db4d1d6320/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-11-29 02:15:18,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:15:18,963 INFO L262 TraceCheckSpWp]: Trace formula consists of 686 conjuncts, 75 conjunts are in the unsatisfiable core [2023-11-29 02:15:18,967 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:15:18,975 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 5 [2023-11-29 02:15:19,298 INFO L349 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2023-11-29 02:15:19,298 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 2 case distinctions, treesize of input 17 treesize of output 21 [2023-11-29 02:15:19,328 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 8 treesize of output 1 [2023-11-29 02:15:19,635 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 7 [2023-11-29 02:15:19,791 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 23 treesize of output 11 [2023-11-29 02:15:19,905 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2023-11-29 02:15:19,906 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 39 [2023-11-29 02:15:20,248 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-29 02:15:20,248 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 14 treesize of output 13 [2023-11-29 02:15:20,346 INFO L349 Elim1Store]: treesize reduction 8, result has 61.9 percent of original size [2023-11-29 02:15:20,346 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 2 case distinctions, treesize of input 20 treesize of output 22 [2023-11-29 02:15:20,564 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 33 treesize of output 24 [2023-11-29 02:15:20,606 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 33 treesize of output 24 [2023-11-29 02:15:20,665 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 33 treesize of output 24 [2023-11-29 02:15:20,698 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 7 [2023-11-29 02:15:20,721 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 36 treesize of output 27 [2023-11-29 02:15:20,924 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 23 treesize of output 11 [2023-11-29 02:15:20,952 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-29 02:15:20,952 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 47 treesize of output 30 [2023-11-29 02:15:21,052 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-29 02:15:21,052 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 85 treesize of output 50 [2023-11-29 02:15:21,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 02:15:21,091 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 24 treesize of output 11 [2023-11-29 02:15:22,096 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 7 treesize of output 3 [2023-11-29 02:15:22,336 INFO L349 Elim1Store]: treesize reduction 17, result has 32.0 percent of original size [2023-11-29 02:15:22,336 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 75 treesize of output 37 [2023-11-29 02:15:22,472 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 60 proven. 32 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-29 02:15:22,472 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:15:23,668 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_5649 Int) (v_ArrVal_5652 (Array Int Int)) (v_ArrVal_5650 Int)) (let ((.cse3 (+ 12 |c_ULTIMATE.start_dll_create_~new_head~0#1.offset|))) (let ((.cse0 (let ((.cse5 (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| (store (select |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse3 v_ArrVal_5649)))) (store .cse5 |c_ULTIMATE.start_dll_create_~head~0#1.base| (store (select .cse5 |c_ULTIMATE.start_dll_create_~head~0#1.base|) (+ |c_ULTIMATE.start_dll_create_~head~0#1.offset| 12) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|)))) (.cse4 (+ |c_ULTIMATE.start_dll_create_~new_head~0#1.offset| 4))) (let ((.cse1 (select (select .cse0 |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse4)) (.cse2 (select (select (store (store |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| (store (select |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse3 v_ArrVal_5650)) |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_5652) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse4))) (or (not (= (select (select .cse0 .cse1) (+ .cse2 4)) 0)) (< (select |c_#length| .cse1) (+ .cse2 16))))))) is different from false [2023-11-29 02:15:23,701 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:15:23,701 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 198 treesize of output 188 [2023-11-29 02:15:23,708 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 348 treesize of output 330 [2023-11-29 02:15:23,718 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 268 treesize of output 260 [2023-11-29 02:15:24,093 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:15:24,094 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 138 treesize of output 94 [2023-11-29 02:15:24,143 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:15:24,143 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 138 treesize of output 94 [2023-11-29 02:15:24,780 INFO L349 Elim1Store]: treesize reduction 48, result has 32.4 percent of original size [2023-11-29 02:15:24,780 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 97 treesize of output 104 [2023-11-29 02:15:24,835 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:15:24,835 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 15 treesize of output 9 [2023-11-29 02:15:25,276 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse3 (+ 12 |c_ULTIMATE.start_dll_create_~new_head~0#1.offset|))) (and (forall ((|v_ULTIMATE.start_dll_create_~new_head~0#1.base_95| Int)) (or (= |v_ULTIMATE.start_dll_create_~new_head~0#1.base_95| |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) (= |v_ULTIMATE.start_dll_create_~new_head~0#1.base_95| 0) (not (= (select |c_#valid| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_95|) 0)) (forall ((v_arrayElimArr_33 (Array Int Int)) (v_ArrVal_5640 Int)) (let ((.cse0 (let ((.cse2 (store |c_#memory_$Pointer$#1.base| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_95| v_arrayElimArr_33))) (store .cse2 |c_ULTIMATE.start_dll_create_~new_head~0#1.base| (store (select .cse2 |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse3 |v_ULTIMATE.start_dll_create_~new_head~0#1.base_95|))))) (let ((.cse1 (select (select .cse0 |v_ULTIMATE.start_dll_create_~new_head~0#1.base_95|) 4))) (or (not (= |c_ULTIMATE.start_dll_create_~new_head~0#1.base| (select v_arrayElimArr_33 4))) (not (= (select (select .cse0 .cse1) (+ |c_ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) 0)) (< (select (store |c_#length| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_95| v_ArrVal_5640) .cse1) (+ 16 |c_ULTIMATE.start_dll_create_~new_head~0#1.offset|)))))))) (or (= |c_ULTIMATE.start_dll_create_~new_head~0#1.base| 0) (and (not (= (+ 8 |c_ULTIMATE.start_dll_create_~new_head~0#1.offset|) 0)) (forall ((v_arrayElimCell_308 Int) (v_arrayElimArr_34 (Array Int Int)) (v_ArrVal_5640 Int)) (let ((.cse4 (select v_arrayElimArr_34 4))) (or (not (= (select (select (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_arrayElimArr_34) .cse4) (+ v_arrayElimCell_308 4)) 0)) (< (select (store |c_#length| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_5640) .cse4) (+ 16 v_arrayElimCell_308)) (not (= .cse4 |c_ULTIMATE.start_dll_create_~new_head~0#1.base|)) (not (= |c_ULTIMATE.start_dll_create_~new_head~0#1.base| (select v_arrayElimArr_34 .cse3))))))) (not (= (select |c_#valid| |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) 0))))) is different from false [2023-11-29 02:15:26,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 02:15:26,602 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:15:26,655 INFO L349 Elim1Store]: treesize reduction 10, result has 47.4 percent of original size [2023-11-29 02:15:26,656 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 31 [2023-11-29 02:15:26,670 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:15:26,671 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:15:26,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 02:15:26,693 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:15:26,693 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 44 treesize of output 49 [2023-11-29 02:15:26,699 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:15:26,703 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 39 treesize of output 27 [2023-11-29 02:15:26,716 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 8 treesize of output 4 [2023-11-29 02:15:26,731 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 19 treesize of output 15 [2023-11-29 02:15:27,167 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:15:28,078 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 60 proven. 28 refuted. 0 times theorem prover too weak. 11 trivial. 4 not checked. [2023-11-29 02:15:28,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1694471232] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 02:15:28,079 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 02:15:28,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 15, 19] total 48 [2023-11-29 02:15:28,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098286276] [2023-11-29 02:15:28,079 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 02:15:28,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2023-11-29 02:15:28,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:15:28,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2023-11-29 02:15:28,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=156, Invalid=1909, Unknown=13, NotChecked=178, Total=2256 [2023-11-29 02:15:28,081 INFO L87 Difference]: Start difference. First operand 137 states and 152 transitions. Second operand has 48 states, 48 states have (on average 3.4791666666666665) internal successors, (167), 48 states have internal predecessors, (167), 0 states have call successors, (0), 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 02:15:36,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:15:36,422 INFO L93 Difference]: Finished difference Result 137 states and 151 transitions. [2023-11-29 02:15:36,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-29 02:15:36,423 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 48 states have (on average 3.4791666666666665) internal successors, (167), 48 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2023-11-29 02:15:36,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:15:36,423 INFO L225 Difference]: With dead ends: 137 [2023-11-29 02:15:36,423 INFO L226 Difference]: Without dead ends: 137 [2023-11-29 02:15:36,425 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 128 SyntacticMatches, 3 SemanticMatches, 67 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 911 ImplicationChecksByTransitivity, 9.6s TimeCoverageRelationStatistics Valid=605, Invalid=3812, Unknown=13, NotChecked=262, Total=4692 [2023-11-29 02:15:36,426 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 69 mSDsluCounter, 860 mSDsCounter, 0 mSdLazyCounter, 1405 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 904 SdHoareTripleChecker+Invalid, 1615 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 1405 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 157 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2023-11-29 02:15:36,426 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 904 Invalid, 1615 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 1405 Invalid, 0 Unknown, 157 Unchecked, 4.3s Time] [2023-11-29 02:15:36,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2023-11-29 02:15:36,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2023-11-29 02:15:36,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 123 states have (on average 1.2276422764227641) internal successors, (151), 136 states have internal predecessors, (151), 0 states have call successors, (0), 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 02:15:36,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 151 transitions. [2023-11-29 02:15:36,430 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 151 transitions. Word has length 74 [2023-11-29 02:15:36,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:15:36,430 INFO L495 AbstractCegarLoop]: Abstraction has 137 states and 151 transitions. [2023-11-29 02:15:36,430 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 3.4791666666666665) internal successors, (167), 48 states have internal predecessors, (167), 0 states have call successors, (0), 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 02:15:36,430 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 151 transitions. [2023-11-29 02:15:36,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-29 02:15:36,431 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:15:36,431 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:15:36,437 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb31e9-4308-48f5-88d3-c5db4d1d6320/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2023-11-29 02:15:36,631 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb31e9-4308-48f5-88d3-c5db4d1d6320/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:15:36,632 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2023-11-29 02:15:36,632 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:15:36,632 INFO L85 PathProgramCache]: Analyzing trace with hash -444843343, now seen corresponding path program 2 times [2023-11-29 02:15:36,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:15:36,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055007878] [2023-11-29 02:15:36,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:15:36,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:15:36,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:15:41,212 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 64 proven. 60 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-29 02:15:41,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:15:41,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055007878] [2023-11-29 02:15:41,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055007878] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 02:15:41,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [566942840] [2023-11-29 02:15:41,213 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 02:15:41,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:15:41,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb31e9-4308-48f5-88d3-c5db4d1d6320/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:15:41,214 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb31e9-4308-48f5-88d3-c5db4d1d6320/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:15:41,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb31e9-4308-48f5-88d3-c5db4d1d6320/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-11-29 02:15:41,570 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-29 02:15:41,570 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 02:15:41,574 INFO L262 TraceCheckSpWp]: Trace formula consists of 716 conjuncts, 134 conjunts are in the unsatisfiable core [2023-11-29 02:15:41,581 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:15:41,587 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 02:15:41,689 INFO L349 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2023-11-29 02:15:41,690 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2023-11-29 02:15:41,889 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 02:15:42,062 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 23 treesize of output 11 [2023-11-29 02:15:42,098 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 19 treesize of output 18 [2023-11-29 02:15:42,290 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 30 treesize of output 21 [2023-11-29 02:15:42,323 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 30 treesize of output 21 [2023-11-29 02:15:42,402 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 23 treesize of output 16 [2023-11-29 02:15:42,857 INFO L349 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2023-11-29 02:15:42,857 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2023-11-29 02:15:42,928 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 8 treesize of output 1 [2023-11-29 02:15:43,264 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 23 treesize of output 16 [2023-11-29 02:15:43,349 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 23 treesize of output 16 [2023-11-29 02:15:43,419 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 23 treesize of output 16 [2023-11-29 02:15:43,461 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 23 treesize of output 16 [2023-11-29 02:15:43,516 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 02:15:43,530 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 02:15:43,816 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 23 treesize of output 16 [2023-11-29 02:15:43,839 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 23 treesize of output 11 [2023-11-29 02:15:43,852 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 23 treesize of output 11 [2023-11-29 02:15:44,025 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2023-11-29 02:15:44,026 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 107 treesize of output 90 [2023-11-29 02:15:44,045 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 24 treesize of output 11 [2023-11-29 02:15:44,065 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 50 treesize of output 29 [2023-11-29 02:15:44,657 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-29 02:15:44,658 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 13 [2023-11-29 02:15:44,778 INFO L349 Elim1Store]: treesize reduction 12, result has 58.6 percent of original size [2023-11-29 02:15:44,778 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 25 treesize of output 29 [2023-11-29 02:15:45,069 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 47 treesize of output 36 [2023-11-29 02:15:45,083 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 31 treesize of output 20 [2023-11-29 02:15:45,109 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-29 02:15:45,148 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 16 treesize of output 11 [2023-11-29 02:15:45,162 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 47 treesize of output 36 [2023-11-29 02:15:45,170 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 31 treesize of output 20 [2023-11-29 02:15:45,229 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 47 treesize of output 36 [2023-11-29 02:15:45,243 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 31 treesize of output 20 [2023-11-29 02:15:45,282 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-29 02:15:45,321 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 19 treesize of output 18 [2023-11-29 02:15:45,345 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 50 treesize of output 37 [2023-11-29 02:15:45,355 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 31 treesize of output 20 [2023-11-29 02:15:45,610 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-29 02:15:45,610 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 30 treesize of output 21 [2023-11-29 02:15:45,635 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 31 treesize of output 20 [2023-11-29 02:15:45,650 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-29 02:15:45,651 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 61 treesize of output 40 [2023-11-29 02:15:45,779 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-29 02:15:45,779 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 133 treesize of output 78 [2023-11-29 02:15:45,799 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 47 treesize of output 24 [2023-11-29 02:15:45,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 02:15:45,832 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 38 treesize of output 36 [2023-11-29 02:15:48,052 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-29 02:15:48,437 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-11-29 02:15:48,437 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 103 treesize of output 50 [2023-11-29 02:15:48,453 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2023-11-29 02:15:48,647 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 68 proven. 56 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-29 02:15:48,647 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:15:51,012 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:15:51,012 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 357 treesize of output 293 [2023-11-29 02:15:51,044 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:15:51,044 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 322 treesize of output 238 [2023-11-29 02:15:52,860 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_6047 (Array Int Int)) (v_ArrVal_6068 (Array Int Int)) (v_ArrVal_6051 Int) (v_arrayElimArr_37 (Array Int Int)) (v_arrayElimArr_36 (Array Int Int)) (v_ArrVal_6048 (Array Int Int)) (v_ArrVal_6050 (Array Int Int)) (|v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| Int) (v_ArrVal_6071 (Array Int Int))) (let ((.cse1 (select v_arrayElimArr_36 4)) (.cse8 (+ 12 |c_ULTIMATE.start_dll_create_~new_head~0#1.offset|))) (let ((.cse6 (let ((.cse9 (store (store |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_6050) |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_arrayElimArr_37))) (store .cse9 .cse1 (store (select .cse9 .cse1) .cse8 0)))) (.cse4 (let ((.cse7 (store (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_6047) |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_arrayElimArr_36))) (store .cse7 .cse1 (store (select .cse7 .cse1) .cse8 |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|))))) (let ((.cse3 (select (select .cse4 |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 4)) (.cse0 (select (select .cse6 |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 4))) (or (< .cse0 0) (not (= |c_ULTIMATE.start_dll_create_~new_head~0#1.base| .cse1)) (not (= (let ((.cse2 (+ |c_ULTIMATE.start_dll_create_~head~0#1.offset| 12))) (store (select |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse2 (select v_ArrVal_6048 .cse2))) v_ArrVal_6048)) (not (= (select |c_#valid| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 0)) (< (select (store |c_#length| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6051) .cse3) (+ .cse0 20)) (= (let ((.cse5 (+ .cse0 4))) (select (select (store (store (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_6048) |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6068) .cse1 v_ArrVal_6071) (select (select .cse4 .cse3) .cse5)) (select (select .cse6 .cse3) .cse5))) 0) (not (= (select v_arrayElimArr_37 4) |c_ULTIMATE.start_dll_create_~new_head~0#1.offset|))))))) is different from false [2023-11-29 02:15:53,082 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_arrayElimArr_37 (Array Int Int)) (v_arrayElimArr_36 (Array Int Int)) (v_ArrVal_6050 (Array Int Int)) (v_ArrVal_6071 (Array Int Int)) (v_ArrVal_6046 Int) (v_ArrVal_6045 Int) (v_ArrVal_6042 (Array Int Int)) (v_ArrVal_6047 (Array Int Int)) (v_ArrVal_6068 (Array Int Int)) (v_ArrVal_6051 Int) (v_ArrVal_6048 (Array Int Int)) (|v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| Int)) (let ((.cse0 (select v_arrayElimArr_36 4)) (.cse9 (+ 12 |c_ULTIMATE.start_dll_create_~new_head~0#1.offset|))) (let ((.cse6 (let ((.cse10 (store (store (store |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| (store (select |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse9 v_ArrVal_6046)) |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_6050) |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_arrayElimArr_37))) (store .cse10 .cse0 (store (select .cse10 .cse0) .cse9 0)))) (.cse4 (let ((.cse8 (store (store (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| (store (select |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse9 v_ArrVal_6045)) |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_6047) |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_arrayElimArr_36))) (store .cse8 .cse0 (store (select .cse8 .cse0) .cse9 |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|))))) (let ((.cse1 (select (select .cse4 |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 4)) (.cse2 (select (select .cse6 |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 4)) (.cse3 (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6042))) (or (not (= |c_ULTIMATE.start_dll_create_~new_head~0#1.base| .cse0)) (not (= (select |c_#valid| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 0)) (< (select (store |c_#length| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6051) .cse1) (+ .cse2 20)) (< .cse2 0) (= (let ((.cse5 (+ .cse2 4))) (select (select (store (store (store .cse3 |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_6048) |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6068) .cse0 v_ArrVal_6071) (select (select .cse4 .cse1) .cse5)) (select (select .cse6 .cse1) .cse5))) 0) (not (= (let ((.cse7 (+ |c_ULTIMATE.start_dll_create_~head~0#1.offset| 12))) (store (select .cse3 |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse7 (select v_ArrVal_6048 .cse7))) v_ArrVal_6048)) (not (= (select v_arrayElimArr_37 4) |c_ULTIMATE.start_dll_create_~new_head~0#1.offset|))))))) is different from false [2023-11-29 02:15:53,142 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:15:53,143 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 579 treesize of output 449 [2023-11-29 02:15:53,188 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:15:53,188 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 396 treesize of output 296 [2023-11-29 02:15:53,273 INFO L349 Elim1Store]: treesize reduction 36, result has 10.0 percent of original size [2023-11-29 02:15:53,275 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 189278 treesize of output 184528 [2023-11-29 02:15:53,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 02:15:53,610 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:15:53,614 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 486869 treesize of output 458280 [2023-11-29 02:15:53,931 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:15:53,931 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 2752 treesize of output 2417 [2023-11-29 02:15:53,978 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:15:54,020 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:15:54,020 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 155 treesize of output 155 [2023-11-29 02:15:54,046 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:15:54,055 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 75 treesize of output 69 [2023-11-29 02:15:54,107 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:15:54,108 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 981 treesize of output 913 [2023-11-29 02:15:54,154 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 64 treesize of output 56 [2023-11-29 02:15:54,258 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 60 treesize of output 52 [2023-11-29 02:15:57,239 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 5 treesize of output 3 [2023-11-29 02:17:18,270 WARN L293 SmtUtils]: Spent 22.65s on a formula simplification. DAG size of input: 530 DAG size of output: 378 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 02:20:00,326 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:20:00,326 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 8058 treesize of output 8000 [2023-11-29 02:20:00,527 INFO L349 Elim1Store]: treesize reduction 16, result has 61.9 percent of original size [2023-11-29 02:20:00,527 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 198 treesize of output 212 [2023-11-29 02:20:00,603 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:20:00,603 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 139 treesize of output 137 [2023-11-29 02:20:00,799 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:20:00,799 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 144 treesize of output 146 [2023-11-29 02:20:00,865 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:20:00,865 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 86 [2023-11-29 02:20:01,116 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 12 treesize of output 8 [2023-11-29 02:20:01,750 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:20:01,751 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 2 case distinctions, treesize of input 39 treesize of output 15 [2023-11-29 02:20:02,418 INFO L349 Elim1Store]: treesize reduction 130, result has 39.8 percent of original size [2023-11-29 02:20:02,419 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 2 new quantified variables, introduced 6 case distinctions, treesize of input 157 treesize of output 205 [2023-11-29 02:20:03,118 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:20:03,119 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 141 treesize of output 145 [2023-11-29 02:20:04,069 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:20:04,069 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 144 treesize of output 148 [2023-11-29 02:20:04,611 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:20:04,612 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 144 treesize of output 148 [2023-11-29 02:20:05,073 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:20:05,073 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 162 treesize of output 190 [2023-11-29 02:20:06,534 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:20:06,535 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 165 treesize of output 193 [2023-11-29 02:20:07,728 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:20:07,728 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 153 treesize of output 181 [2023-11-29 02:20:08,814 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:20:08,814 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 445 treesize of output 419 [2023-11-29 02:20:09,548 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:20:09,553 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 97 treesize of output 95 [2023-11-29 02:20:09,582 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:20:09,582 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 40 [2023-11-29 02:20:09,651 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:20:09,652 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 1 new quantified variables, introduced 5 case distinctions, treesize of input 45 treesize of output 61 [2023-11-29 02:20:09,668 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 9 treesize of output 7 [2023-11-29 02:20:09,699 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 12 treesize of output 8 [2023-11-29 02:20:09,718 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 23 treesize of output 17 [2023-11-29 02:20:09,818 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:20:09,819 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 15 treesize of output 9 [2023-11-29 02:20:09,831 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:20:09,836 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 97 treesize of output 95 [2023-11-29 02:20:09,911 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:20:09,912 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 1 new quantified variables, introduced 5 case distinctions, treesize of input 54 treesize of output 70 [2023-11-29 02:20:09,936 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:20:09,936 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 31 [2023-11-29 02:20:09,949 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 9 treesize of output 7 [2023-11-29 02:20:09,981 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 12 treesize of output 8 [2023-11-29 02:20:10,010 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 23 treesize of output 17 [2023-11-29 02:20:10,129 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:20:10,129 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 15 treesize of output 9 [2023-11-29 02:20:10,143 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:20:10,144 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:20:10,149 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 102 treesize of output 100 [2023-11-29 02:20:10,230 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:20:10,231 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 1 new quantified variables, introduced 5 case distinctions, treesize of input 54 treesize of output 70 [2023-11-29 02:20:10,255 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:20:10,255 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 31 [2023-11-29 02:20:10,301 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:20:10,301 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 15 treesize of output 19 [2023-11-29 02:20:10,345 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 12 treesize of output 8 [2023-11-29 02:20:10,386 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 18 treesize of output 12 [2023-11-29 02:20:10,399 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:20:10,400 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 15 treesize of output 9 [2023-11-29 02:20:10,511 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 966 treesize of output 934 [2023-11-29 02:20:10,529 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 53 treesize of output 51 [2023-11-29 02:20:10,562 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:20:10,563 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 111 treesize of output 109 [2023-11-29 02:20:10,576 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 50 treesize of output 46 [2023-11-29 02:20:10,653 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:20:10,659 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 1947 treesize of output 1883 [2023-11-29 02:20:10,677 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 53 treesize of output 51 [2023-11-29 02:20:10,721 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:20:10,722 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 57 treesize of output 59 [2023-11-29 02:20:10,767 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:20:10,767 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 60 treesize of output 58 [2023-11-29 02:20:10,885 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:20:10,891 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 239 treesize of output 231 [2023-11-29 02:20:10,929 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:20:10,930 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 113 treesize of output 115 [2023-11-29 02:20:10,975 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:20:10,975 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 109 treesize of output 107 [2023-11-29 02:20:10,992 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 48 treesize of output 46 [2023-11-29 02:20:11,170 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 478 treesize of output 462 [2023-11-29 02:20:11,185 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 53 treesize of output 51 [2023-11-29 02:20:11,197 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 51 treesize of output 47 [2023-11-29 02:20:11,233 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:20:11,233 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 60 treesize of output 58 [2023-11-29 02:20:11,387 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:20:11,387 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 706 treesize of output 708 [2023-11-29 02:20:11,454 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:20:11,455 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 254 treesize of output 242 [2023-11-29 02:20:11,525 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:20:11,525 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 239 treesize of output 237 [2023-11-29 02:20:11,745 INFO L349 Elim1Store]: treesize reduction 16, result has 61.9 percent of original size [2023-11-29 02:20:11,745 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 186 treesize of output 200 [2023-11-29 02:20:11,789 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:20:11,789 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 73 treesize of output 68 [2023-11-29 02:20:11,977 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 12 treesize of output 8 [2023-11-29 02:20:12,085 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 12 treesize of output 8 [2023-11-29 02:20:13,016 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:20:13,017 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 2 case distinctions, treesize of input 39 treesize of output 15 [2023-11-29 02:20:13,483 INFO L349 Elim1Store]: treesize reduction 130, result has 39.8 percent of original size [2023-11-29 02:20:13,484 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 2 new quantified variables, introduced 6 case distinctions, treesize of input 226 treesize of output 272 [2023-11-29 02:20:13,601 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:20:13,601 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 150 treesize of output 154 [2023-11-29 02:20:14,107 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:20:14,107 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 150 treesize of output 154 [2023-11-29 02:20:14,645 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:20:14,646 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 144 treesize of output 148 [2023-11-29 02:20:18,228 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:20:18,228 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:20:18,229 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:20:18,229 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:20:18,230 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 33 [2023-11-29 02:20:18,376 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:20:18,377 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:20:18,378 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:20:18,378 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:20:18,379 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 33 [2023-11-29 02:20:18,474 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:20:18,475 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:20:18,475 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:20:18,476 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:20:18,477 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 33 [2023-11-29 02:20:18,654 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:20:18,655 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:20:18,656 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:20:18,656 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:20:18,657 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 33 [2023-11-29 02:20:18,758 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:20:18,759 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:20:18,759 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:20:18,760 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:20:18,760 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 33 [2023-11-29 02:20:18,856 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:20:18,857 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:20:18,857 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:20:18,858 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:20:18,859 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 33 [2023-11-29 02:20:19,036 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:20:19,037 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:20:19,037 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:20:19,038 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:20:19,039 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 33 [2023-11-29 02:20:19,097 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:20:19,098 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:20:19,098 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:20:19,099 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:20:19,100 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 33 [2023-11-29 02:20:19,237 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:20:19,238 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:20:19,238 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:20:19,239 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:20:19,240 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 33 [2023-11-29 02:20:19,356 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:20:19,357 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:20:19,358 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:20:19,358 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:20:19,359 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 33 [2023-11-29 02:20:19,527 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:20:19,528 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:20:19,529 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:20:19,529 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:20:19,530 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 33 [2023-11-29 02:20:19,631 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:20:19,632 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:20:19,632 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:20:19,633 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:20:19,633 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 33 [2023-11-29 02:20:19,800 INFO L349 Elim1Store]: treesize reduction 39, result has 20.4 percent of original size [2023-11-29 02:20:19,801 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 87 treesize of output 77 [2023-11-29 02:20:20,124 INFO L349 Elim1Store]: treesize reduction 39, result has 20.4 percent of original size [2023-11-29 02:20:20,124 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 106 treesize of output 96 [2023-11-29 02:20:20,588 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:20:20,589 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:20:20,590 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:20:20,590 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:20:20,591 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 33 [2023-11-29 02:20:20,783 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:20:20,784 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:20:20,785 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:20:20,785 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:20:20,786 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 33 [2023-11-29 02:20:20,895 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:20:20,896 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:20:20,896 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:20:20,897 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:20:20,898 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 33 [2023-11-29 02:20:20,988 INFO L349 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2023-11-29 02:20:20,989 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 84 treesize of output 64 [2023-11-29 02:20:21,215 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:20:21,216 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 844 treesize of output 782 [2023-11-29 02:20:24,498 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:20:24,500 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 62174 treesize of output 61668 [2023-11-29 02:20:24,689 INFO L349 Elim1Store]: treesize reduction 16, result has 61.9 percent of original size [2023-11-29 02:20:24,689 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 198 treesize of output 212 [2023-11-29 02:20:24,759 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:20:24,760 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 139 treesize of output 137 [2023-11-29 02:20:24,804 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:20:24,805 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 73 treesize of output 68 [2023-11-29 02:20:24,898 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:20:24,898 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 139 treesize of output 127 [2023-11-29 02:20:25,103 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 12 treesize of output 8 [2023-11-29 02:20:25,178 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 12 treesize of output 8 [2023-11-29 02:20:25,485 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:20:25,486 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 2 case distinctions, treesize of input 39 treesize of output 15 [2023-11-29 02:20:26,289 INFO L349 Elim1Store]: treesize reduction 130, result has 39.8 percent of original size [2023-11-29 02:20:26,290 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 2 new quantified variables, introduced 6 case distinctions, treesize of input 146 treesize of output 194 [2023-11-29 02:20:27,154 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:20:27,154 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 217 treesize of output 245 [2023-11-29 02:20:28,537 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:20:28,537 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 195 treesize of output 223 [2023-11-29 02:20:30,044 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:20:30,045 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 217 treesize of output 245 [2023-11-29 02:20:30,913 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 12 treesize of output 8 [2023-11-29 02:20:30,980 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:20:30,981 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 306 treesize of output 304 [2023-11-29 02:20:31,438 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:20:31,438 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 239 treesize of output 239 [2023-11-29 02:20:31,912 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:20:31,913 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 199 treesize of output 207 [2023-11-29 02:20:32,898 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:20:32,903 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 97 treesize of output 95 [2023-11-29 02:20:32,982 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:20:32,982 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 1 new quantified variables, introduced 5 case distinctions, treesize of input 54 treesize of output 70 [2023-11-29 02:20:33,006 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:20:33,006 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 31 [2023-11-29 02:20:33,020 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 9 treesize of output 7 [2023-11-29 02:20:33,053 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 12 treesize of output 8 [2023-11-29 02:20:33,082 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 18 treesize of output 12 [2023-11-29 02:20:33,175 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:20:33,175 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 15 treesize of output 9 [2023-11-29 02:20:33,188 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:20:33,189 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:20:33,194 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 102 treesize of output 100 [2023-11-29 02:20:33,270 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:20:33,270 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 1 new quantified variables, introduced 5 case distinctions, treesize of input 54 treesize of output 70 [2023-11-29 02:20:33,294 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:20:33,294 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 31 [2023-11-29 02:20:33,339 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:20:33,339 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 15 treesize of output 19 [2023-11-29 02:20:33,356 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 12 treesize of output 8 [2023-11-29 02:20:33,413 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 18 treesize of output 12 [2023-11-29 02:20:33,519 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:20:33,520 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 15 treesize of output 9 [2023-11-29 02:20:33,525 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:20:33,537 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 97 treesize of output 95 [2023-11-29 02:20:33,614 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:20:33,614 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 1 new quantified variables, introduced 5 case distinctions, treesize of input 54 treesize of output 70 [2023-11-29 02:20:33,636 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:20:33,636 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 31 [2023-11-29 02:20:33,648 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 9 treesize of output 7 [2023-11-29 02:20:33,679 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 12 treesize of output 8 [2023-11-29 02:20:33,698 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 23 treesize of output 17 [2023-11-29 02:20:33,725 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:20:33,725 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 15 treesize of output 9 [2023-11-29 02:20:33,804 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:20:33,878 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:20:33,886 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 124071 treesize of output 123053 [2023-11-29 02:20:34,094 INFO L349 Elim1Store]: treesize reduction 16, result has 61.9 percent of original size [2023-11-29 02:20:34,095 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 198 treesize of output 212 [2023-11-29 02:20:34,296 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:20:34,297 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 143 treesize of output 155 [2023-11-29 02:20:34,515 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:20:34,515 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 167 treesize of output 169 [2023-11-29 02:20:34,596 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:20:34,596 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 86 [2023-11-29 02:20:34,840 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 12 treesize of output 8 [2023-11-29 02:20:34,919 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 12 treesize of output 8 [2023-11-29 02:20:35,161 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:20:35,162 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 2 case distinctions, treesize of input 39 treesize of output 15 [2023-11-29 02:20:36,203 INFO L349 Elim1Store]: treesize reduction 130, result has 39.8 percent of original size [2023-11-29 02:20:36,203 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 2 new quantified variables, introduced 6 case distinctions, treesize of input 146 treesize of output 194 [2023-11-29 02:20:37,152 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:20:37,152 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 195 treesize of output 223 [2023-11-29 02:20:38,456 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:20:38,457 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 217 treesize of output 245 [2023-11-29 02:20:39,729 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:20:39,730 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 217 treesize of output 245 [2023-11-29 02:20:41,422 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:20:41,422 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 160 treesize of output 164 [2023-11-29 02:20:42,017 INFO L349 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2023-11-29 02:20:42,017 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 328 treesize of output 1 [2023-11-29 02:20:42,104 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:20:42,104 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 175 treesize of output 173 [2023-11-29 02:20:43,254 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:20:43,254 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 132 treesize of output 132 [2023-11-29 02:20:43,807 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 234 treesize of output 226 [2023-11-29 02:20:43,822 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 54 treesize of output 52 [2023-11-29 02:20:43,833 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 106 treesize of output 102 [2023-11-29 02:20:43,843 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 102 treesize of output 94 [2023-11-29 02:20:43,973 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 234 treesize of output 226 [2023-11-29 02:20:43,985 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 108 treesize of output 100 [2023-11-29 02:20:43,998 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 49 treesize of output 47 [2023-11-29 02:20:44,010 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 50 treesize of output 46 [2023-11-29 02:20:44,143 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:20:44,193 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:20:44,194 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 2103 treesize of output 2093 [2023-11-29 02:20:44,400 INFO L349 Elim1Store]: treesize reduction 16, result has 61.9 percent of original size [2023-11-29 02:20:44,401 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 198 treesize of output 212 [2023-11-29 02:20:44,596 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:20:44,596 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 282 treesize of output 284 [2023-11-29 02:20:44,810 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:20:44,811 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 134 treesize of output 146 [2023-11-29 02:20:44,868 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:20:44,868 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 73 treesize of output 68 [2023-11-29 02:20:45,100 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 12 treesize of output 8 [2023-11-29 02:20:45,169 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 12 treesize of output 8 [2023-11-29 02:20:45,419 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:20:45,419 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 2 case distinctions, treesize of input 39 treesize of output 15 [2023-11-29 02:20:46,535 INFO L349 Elim1Store]: treesize reduction 130, result has 39.8 percent of original size [2023-11-29 02:20:46,535 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 2 new quantified variables, introduced 6 case distinctions, treesize of input 171 treesize of output 217 [2023-11-29 02:20:46,753 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:20:46,754 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 86 treesize of output 114 [2023-11-29 02:20:47,257 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:20:47,258 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 86 treesize of output 114 [2023-11-29 02:20:47,543 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:20:47,544 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 86 treesize of output 114 [2023-11-29 02:20:48,660 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:20:48,661 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 39 treesize of output 43 [2023-11-29 02:20:48,797 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 12 treesize of output 8 [2023-11-29 02:20:49,028 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:20:49,028 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 53 treesize of output 57 [2023-11-29 02:20:49,600 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:20:49,600 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 183 treesize of output 183 [2023-11-29 02:20:50,857 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:20:50,858 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 4094 treesize of output 4068 [2023-11-29 02:20:51,041 INFO L349 Elim1Store]: treesize reduction 16, result has 61.9 percent of original size [2023-11-29 02:20:51,042 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 197 treesize of output 211 [2023-11-29 02:20:51,118 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:20:51,119 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 253 treesize of output 251 [2023-11-29 02:20:51,303 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:20:51,303 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 249 treesize of output 251 [2023-11-29 02:20:51,363 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:20:51,363 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 73 treesize of output 68 [2023-11-29 02:20:51,615 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 12 treesize of output 8 [2023-11-29 02:20:51,683 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 12 treesize of output 8 [2023-11-29 02:20:51,802 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 5 treesize of output 3 [2023-11-29 02:20:52,195 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:20:52,195 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 2 case distinctions, treesize of input 39 treesize of output 15 [2023-11-29 02:20:52,659 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:20:52,659 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 40 treesize of output 44 [2023-11-29 02:20:52,831 WARN L214 Elim1Store]: Array PQE input equivalent to true [2023-11-29 02:20:53,351 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:20:53,351 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 103 treesize of output 107 [2023-11-29 02:21:42,077 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 48 proven. 57 refuted. 10 times theorem prover too weak. 1 trivial. 9 not checked. [2023-11-29 02:21:42,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [566942840] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 02:21:42,077 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 02:21:42,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 22, 29] total 69 [2023-11-29 02:21:42,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824150258] [2023-11-29 02:21:42,078 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 02:21:42,078 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 69 states [2023-11-29 02:21:42,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:21:42,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2023-11-29 02:21:42,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=340, Invalid=4026, Unknown=64, NotChecked=262, Total=4692 [2023-11-29 02:21:42,081 INFO L87 Difference]: Start difference. First operand 137 states and 151 transitions. Second operand has 69 states, 69 states have (on average 3.0) internal successors, (207), 69 states have internal predecessors, (207), 0 states have call successors, (0), 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 02:21:49,344 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-11-29 02:21:54,302 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse1 (= |c_ULTIMATE.start_dll_create_~new_head~0#1.base| |c_ULTIMATE.start_dll_create_~head~0#1.base|))) (let ((.cse14 (not .cse1)) (.cse2 (+ 20 |c_ULTIMATE.start_dll_create_~new_head~0#1.offset|)) (.cse4 (+ |c_ULTIMATE.start_dll_create_~head~0#1.offset| 12)) (.cse45 (select |c_#valid| |c_ULTIMATE.start_dll_create_~new_head~0#1.base|))) (let ((.cse42 (not (= .cse45 0))) (.cse0 (< |c_ULTIMATE.start_dll_create_~new_head~0#1.offset| 0)) (.cse6 (= |c_ULTIMATE.start_dll_create_~new_head~0#1.offset| 0)) (.cse13 (or .cse14 (forall ((v_ArrVal_6051 Int) (v_ArrVal_6068 (Array Int Int)) (v_ArrVal_6048 (Array Int Int)) (v_arrayElimCell_383 Int) (v_arrayElimCell_385 Int) (|v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| Int) (v_ArrVal_6071 (Array Int Int)) (v_ArrVal_6042 (Array Int Int))) (or (< (select (store |c_#length| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6051) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse2) (< v_ArrVal_6051 20) (= (select (select (store (store (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_6048) |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6068) |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6071) v_arrayElimCell_383) v_arrayElimCell_385) 0) (not (= (select |c_#valid| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 0)) (not (= (store (select (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6042) |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse4 (select v_ArrVal_6048 .cse4)) v_ArrVal_6048)))))) (.cse21 (forall ((v_ArrVal_6051 Int) (|v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| Int)) (or (< (select (store |c_#length| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6051) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse2) (forall ((v_ArrVal_6048 (Array Int Int)) (v_ArrVal_6042 (Array Int Int))) (or (forall ((v_ArrVal_6068 (Array Int Int)) (v_ArrVal_6071 (Array Int Int))) (let ((.cse63 (store (store (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_6048) |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6068) |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6071))) (or (forall ((v_arrayElimCell_383 Int) (v_arrayElimCell_385 Int)) (= (select (select .cse63 v_arrayElimCell_383) v_arrayElimCell_385) 0)) (= (select (select .cse63 |c_ULTIMATE.start_dll_create_~head~0#1.base|) |c_ULTIMATE.start_dll_create_~head~0#1.offset|) 0)))) (not (= (store (select (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6042) |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse4 (select v_ArrVal_6048 .cse4)) v_ArrVal_6048)))) (not (= (select |c_#valid| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 0))))) (.cse31 (forall ((v_ArrVal_6051 Int)) (or (< v_ArrVal_6051 20) (forall ((|v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| Int)) (or (< (select (store |c_#length| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6051) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse2) (forall ((v_ArrVal_6048 (Array Int Int)) (v_ArrVal_6042 (Array Int Int))) (or (forall ((v_ArrVal_6068 (Array Int Int)) (v_ArrVal_6071 (Array Int Int))) (let ((.cse62 (store (store (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_6048) |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6068) |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6071))) (or (forall ((v_arrayElimCell_383 Int) (v_arrayElimCell_385 Int)) (= (select (select .cse62 v_arrayElimCell_383) v_arrayElimCell_385) 0)) (= (select (select .cse62 |c_ULTIMATE.start_dll_create_~head~0#1.base|) |c_ULTIMATE.start_dll_create_~head~0#1.offset|) 0)))) (not (= (store (select (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6042) |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse4 (select v_ArrVal_6048 .cse4)) v_ArrVal_6048)))) (not (= (select |c_#valid| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 0))))))) (.cse32 (or .cse1 (forall ((v_ArrVal_6051 Int) (v_ArrVal_6068 (Array Int Int)) (v_ArrVal_6048 (Array Int Int)) (|v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| Int) (v_ArrVal_6071 (Array Int Int)) (v_ArrVal_6042 (Array Int Int))) (or (< (select (store |c_#length| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6051) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse2) (< v_ArrVal_6051 20) (= (select (select (store (store (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_6048) |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6068) |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6071) |c_ULTIMATE.start_dll_create_~head~0#1.base|) |c_ULTIMATE.start_dll_create_~head~0#1.offset|) 0) (not (= (select |c_#valid| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 0)) (not (= (store (select (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6042) |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse4 (select v_ArrVal_6048 .cse4)) v_ArrVal_6048)))))) (.cse33 (or .cse14 (forall ((v_ArrVal_6051 Int) (v_ArrVal_6068 (Array Int Int)) (v_ArrVal_6048 (Array Int Int)) (v_arrayElimCell_383 Int) (v_arrayElimCell_385 Int) (|v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| Int) (v_ArrVal_6071 (Array Int Int)) (v_ArrVal_6042 (Array Int Int))) (or (< (select (store |c_#length| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6051) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse2) (= (select (select (store (store (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_6048) |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6068) |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6071) v_arrayElimCell_383) v_arrayElimCell_385) 0) (not (= (select |c_#valid| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 0)) (not (= (store (select (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6042) |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse4 (select v_ArrVal_6048 .cse4)) v_ArrVal_6048)))))) (.cse39 (or .cse1 (forall ((v_ArrVal_6068 (Array Int Int)) (v_ArrVal_6051 Int) (v_ArrVal_6048 (Array Int Int)) (|v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| Int) (v_ArrVal_6071 (Array Int Int)) (v_ArrVal_6042 (Array Int Int))) (or (< (select (store |c_#length| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6051) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse2) (= (select (select (store (store (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_6048) |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6068) |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6071) |c_ULTIMATE.start_dll_create_~head~0#1.base|) |c_ULTIMATE.start_dll_create_~head~0#1.offset|) 0) (not (= (select |c_#valid| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 0)) (not (= (store (select (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6042) |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse4 (select v_ArrVal_6048 .cse4)) v_ArrVal_6048))))))) (and (or .cse0 .cse1 (and (forall ((v_ArrVal_6051 Int)) (or (< v_ArrVal_6051 20) (forall ((|v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| Int)) (or (< (select (store |c_#length| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6051) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse2) (forall ((v_ArrVal_6048 (Array Int Int)) (v_ArrVal_6042 (Array Int Int))) (or (forall ((v_ArrVal_6068 (Array Int Int)) (v_ArrVal_6071 (Array Int Int))) (let ((.cse3 (store (store (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_6048) |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6068) |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6071))) (or (= (select v_ArrVal_6071 0) 0) (= (select (select .cse3 |c_ULTIMATE.start_dll_create_~head~0#1.base|) |c_ULTIMATE.start_dll_create_~head~0#1.offset|) 0) (= 0 (select (select .cse3 |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 0))))) (not (= (store (select (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6042) |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse4 (select v_ArrVal_6048 .cse4)) v_ArrVal_6048)))) (not (= (select |c_#valid| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 0)))))) (forall ((v_ArrVal_6051 Int) (|v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| Int)) (or (< (select (store |c_#length| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6051) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse2) (forall ((v_ArrVal_6068 (Array Int Int)) (v_ArrVal_6048 (Array Int Int)) (v_ArrVal_6071 (Array Int Int)) (v_ArrVal_6042 (Array Int Int))) (or (= (select v_ArrVal_6071 0) 0) (= (select (select (store (store (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_6048) |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6068) |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6071) |c_ULTIMATE.start_dll_create_~head~0#1.base|) |c_ULTIMATE.start_dll_create_~head~0#1.offset|) 0) (not (= (store (select (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6042) |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse4 (select v_ArrVal_6048 .cse4)) v_ArrVal_6048)))) (not (= (select |c_#valid| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 0)))) (forall ((v_ArrVal_6051 Int)) (or (< v_ArrVal_6051 20) (forall ((|v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| Int)) (or (< (select (store |c_#length| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6051) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse2) (forall ((v_ArrVal_6068 (Array Int Int)) (v_ArrVal_6048 (Array Int Int)) (v_ArrVal_6071 (Array Int Int)) (v_ArrVal_6042 (Array Int Int))) (or (= (select v_ArrVal_6071 0) 0) (= (select (select (store (store (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_6048) |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6068) |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6071) |c_ULTIMATE.start_dll_create_~head~0#1.base|) |c_ULTIMATE.start_dll_create_~head~0#1.offset|) 0) (not (= (store (select (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6042) |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse4 (select v_ArrVal_6048 .cse4)) v_ArrVal_6048)))) (not (= (select |c_#valid| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 0)))))) (forall ((v_ArrVal_6051 Int) (|v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| Int)) (or (< (select (store |c_#length| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6051) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse2) (forall ((v_ArrVal_6048 (Array Int Int)) (v_ArrVal_6042 (Array Int Int))) (or (forall ((v_ArrVal_6068 (Array Int Int)) (v_ArrVal_6071 (Array Int Int))) (let ((.cse5 (store (store (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_6048) |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6068) |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6071))) (or (= (select v_ArrVal_6071 0) 0) (= (select (select .cse5 |c_ULTIMATE.start_dll_create_~head~0#1.base|) |c_ULTIMATE.start_dll_create_~head~0#1.offset|) 0) (= 0 (select (select .cse5 |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 0))))) (not (= (store (select (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6042) |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse4 (select v_ArrVal_6048 .cse4)) v_ArrVal_6048)))) (not (= (select |c_#valid| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 0)))))) (= |c_ULTIMATE.start_dll_create_~head~0#1.offset| 0) (or .cse6 (and (or .cse0 (let ((.cse15 (forall ((v_arrayElimCell_386 Int) (v_ArrVal_6071 (Array Int Int))) (or (forall ((v_ArrVal_6048 (Array Int Int)) (v_ArrVal_6042 (Array Int Int))) (or (forall ((v_ArrVal_6068 (Array Int Int)) (v_arrayElimCell_383 Int) (v_arrayElimCell_385 Int) (|v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| Int)) (or (= (select (select (store (store (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_6048) |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6068) |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6071) v_arrayElimCell_383) v_arrayElimCell_385) 0) (not (= (select |c_#valid| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 0)) (forall ((v_ArrVal_6051 Int)) (or (< (select (store |c_#length| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6051) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse2) (< v_ArrVal_6051 20))))) (not (= (store (select (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6042) |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse4 (select v_ArrVal_6048 .cse4)) v_ArrVal_6048)))) (= (select v_ArrVal_6071 v_arrayElimCell_386) 0)))) (.cse17 (forall ((v_arrayElimCell_386 Int) (v_ArrVal_6071 (Array Int Int))) (or (forall ((v_ArrVal_6048 (Array Int Int)) (v_ArrVal_6042 (Array Int Int))) (or (forall ((v_ArrVal_6068 (Array Int Int)) (v_arrayElimCell_383 Int) (v_arrayElimCell_385 Int) (|v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| Int)) (let ((.cse41 (store (store (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_6048) |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6068) |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6071))) (or (= (select (select .cse41 v_arrayElimCell_383) v_arrayElimCell_385) 0) (not (= (select |c_#valid| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 0)) (forall ((v_ArrVal_6051 Int)) (< (select (store |c_#length| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6051) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse2)) (= 0 (select (select .cse41 |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 0))))) (not (= (store (select (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6042) |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse4 (select v_ArrVal_6048 .cse4)) v_ArrVal_6048)))) (= (select v_ArrVal_6071 v_arrayElimCell_386) 0)))) (.cse18 (forall ((v_arrayElimCell_386 Int) (v_ArrVal_6071 (Array Int Int))) (or (forall ((v_ArrVal_6048 (Array Int Int)) (v_ArrVal_6042 (Array Int Int))) (or (forall ((v_ArrVal_6068 (Array Int Int)) (v_arrayElimCell_383 Int) (v_arrayElimCell_385 Int) (|v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| Int)) (let ((.cse40 (store (store (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_6048) |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6068) |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6071))) (or (= (select (select .cse40 v_arrayElimCell_383) v_arrayElimCell_385) 0) (not (= (select |c_#valid| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 0)) (forall ((v_ArrVal_6051 Int)) (or (< (select (store |c_#length| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6051) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse2) (< v_ArrVal_6051 20))) (= 0 (select (select .cse40 |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 0))))) (not (= (store (select (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6042) |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse4 (select v_ArrVal_6048 .cse4)) v_ArrVal_6048)))) (= (select v_ArrVal_6071 v_arrayElimCell_386) 0)))) (.cse20 (forall ((v_arrayElimCell_386 Int) (v_ArrVal_6071 (Array Int Int))) (or (forall ((v_ArrVal_6048 (Array Int Int)) (v_ArrVal_6042 (Array Int Int))) (or (forall ((v_ArrVal_6068 (Array Int Int)) (v_arrayElimCell_383 Int) (v_arrayElimCell_385 Int) (|v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| Int)) (or (= (select (select (store (store (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_6048) |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6068) |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6071) v_arrayElimCell_383) v_arrayElimCell_385) 0) (not (= (select |c_#valid| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 0)) (forall ((v_ArrVal_6051 Int)) (< (select (store |c_#length| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6051) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse2)))) (not (= (store (select (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6042) |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse4 (select v_ArrVal_6048 .cse4)) v_ArrVal_6048)))) (= (select v_ArrVal_6071 v_arrayElimCell_386) 0))))) (and (forall ((v_arrayElimCell_386 Int) (v_ArrVal_6071 (Array Int Int))) (or (forall ((v_ArrVal_6048 (Array Int Int)) (v_ArrVal_6042 (Array Int Int))) (or (forall ((v_ArrVal_6068 (Array Int Int)) (v_arrayElimCell_383 Int) (v_arrayElimCell_385 Int) (|v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| Int)) (let ((.cse7 (store (store (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_6048) |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6068) |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6071))) (or (= (select (select .cse7 |c_ULTIMATE.start_dll_create_~head~0#1.base|) |c_ULTIMATE.start_dll_create_~head~0#1.offset|) 0) (= (select (select .cse7 v_arrayElimCell_383) v_arrayElimCell_385) 0) (not (= (select |c_#valid| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 0)) (forall ((v_ArrVal_6051 Int)) (< (select (store |c_#length| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6051) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse2)) (= 0 (select (select .cse7 |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 0))))) (not (= (store (select (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6042) |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse4 (select v_ArrVal_6048 .cse4)) v_ArrVal_6048)))) (= (select v_ArrVal_6071 v_arrayElimCell_386) 0))) (forall ((v_arrayElimCell_386 Int) (v_ArrVal_6071 (Array Int Int))) (or (forall ((v_ArrVal_6048 (Array Int Int)) (v_ArrVal_6042 (Array Int Int))) (or (forall ((v_ArrVal_6068 (Array Int Int)) (v_arrayElimCell_383 Int) (v_arrayElimCell_385 Int) (|v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| Int)) (let ((.cse8 (store (store (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_6048) |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6068) |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6071))) (or (= (select (select .cse8 |c_ULTIMATE.start_dll_create_~head~0#1.base|) |c_ULTIMATE.start_dll_create_~head~0#1.offset|) 0) (= (select (select .cse8 v_arrayElimCell_383) v_arrayElimCell_385) 0) (not (= (select |c_#valid| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 0)) (forall ((v_ArrVal_6051 Int)) (or (< (select (store |c_#length| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6051) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse2) (< v_ArrVal_6051 20))) (= 0 (select (select .cse8 |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 0))))) (not (= (store (select (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6042) |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse4 (select v_ArrVal_6048 .cse4)) v_ArrVal_6048)))) (= (select v_ArrVal_6071 v_arrayElimCell_386) 0))) (or .cse1 (and (forall ((v_ArrVal_6051 Int) (|v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| Int)) (or (< (select (store |c_#length| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6051) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse2) (not (= (select |c_#valid| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 0)) (forall ((v_arrayElimCell_381 Int) (v_ArrVal_6068 (Array Int Int)) (v_ArrVal_6048 (Array Int Int)) (v_arrayElimCell_386 Int) (v_ArrVal_6071 (Array Int Int)) (v_ArrVal_6042 (Array Int Int))) (let ((.cse9 (store (store (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_6048) |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6068) |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6071))) (or (= (select (select .cse9 v_arrayElimCell_381) v_arrayElimCell_386) 0) (= (select (select .cse9 |c_ULTIMATE.start_dll_create_~head~0#1.base|) |c_ULTIMATE.start_dll_create_~head~0#1.offset|) 0) (not (= (store (select (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6042) |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse4 (select v_ArrVal_6048 .cse4)) v_ArrVal_6048))))))) (forall ((v_ArrVal_6051 Int) (|v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| Int)) (or (< (select (store |c_#length| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6051) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse2) (forall ((v_arrayElimCell_381 Int) (v_ArrVal_6048 (Array Int Int)) (v_arrayElimCell_386 Int) (v_ArrVal_6042 (Array Int Int))) (or (forall ((v_ArrVal_6068 (Array Int Int)) (v_ArrVal_6071 (Array Int Int))) (let ((.cse10 (store (store (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_6048) |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6068) |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6071))) (or (= (select (select .cse10 v_arrayElimCell_381) v_arrayElimCell_386) 0) (= (select (select .cse10 |c_ULTIMATE.start_dll_create_~head~0#1.base|) |c_ULTIMATE.start_dll_create_~head~0#1.offset|) 0) (= 0 (select (select .cse10 |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 0))))) (not (= (store (select (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6042) |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse4 (select v_ArrVal_6048 .cse4)) v_ArrVal_6048)))) (not (= (select |c_#valid| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 0)))))) (or .cse1 (and (forall ((v_ArrVal_6051 Int)) (or (forall ((|v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| Int)) (or (< (select (store |c_#length| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6051) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse2) (not (= (select |c_#valid| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 0)) (forall ((v_arrayElimCell_381 Int) (v_ArrVal_6068 (Array Int Int)) (v_ArrVal_6048 (Array Int Int)) (v_arrayElimCell_386 Int) (v_ArrVal_6071 (Array Int Int)) (v_ArrVal_6042 (Array Int Int))) (let ((.cse11 (store (store (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_6048) |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6068) |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6071))) (or (= (select (select .cse11 v_arrayElimCell_381) v_arrayElimCell_386) 0) (= (select (select .cse11 |c_ULTIMATE.start_dll_create_~head~0#1.base|) |c_ULTIMATE.start_dll_create_~head~0#1.offset|) 0) (not (= (store (select (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6042) |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse4 (select v_ArrVal_6048 .cse4)) v_ArrVal_6048))))))) (< v_ArrVal_6051 20))) (forall ((v_ArrVal_6051 Int)) (or (< v_ArrVal_6051 20) (forall ((|v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| Int)) (or (< (select (store |c_#length| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6051) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse2) (forall ((v_arrayElimCell_381 Int) (v_ArrVal_6048 (Array Int Int)) (v_arrayElimCell_386 Int) (v_ArrVal_6042 (Array Int Int))) (or (forall ((v_ArrVal_6068 (Array Int Int)) (v_ArrVal_6071 (Array Int Int))) (let ((.cse12 (store (store (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_6048) |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6068) |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6071))) (or (= (select (select .cse12 v_arrayElimCell_381) v_arrayElimCell_386) 0) (= (select (select .cse12 |c_ULTIMATE.start_dll_create_~head~0#1.base|) |c_ULTIMATE.start_dll_create_~head~0#1.offset|) 0) (= 0 (select (select .cse12 |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 0))))) (not (= (store (select (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6042) |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse4 (select v_ArrVal_6048 .cse4)) v_ArrVal_6048)))) (not (= (select |c_#valid| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 0)))))))) .cse13 (or .cse14 (and .cse15 (forall ((v_ArrVal_6051 Int)) (or (forall ((|v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| Int)) (or (< (select (store |c_#length| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6051) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse2) (forall ((v_ArrVal_6068 (Array Int Int)) (v_ArrVal_6048 (Array Int Int)) (v_arrayElimCell_383 Int) (v_arrayElimCell_386 Int) (v_arrayElimCell_385 Int) (v_ArrVal_6071 (Array Int Int)) (v_ArrVal_6042 (Array Int Int))) (or (= (select (select (store (store (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_6048) |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6068) |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6071) v_arrayElimCell_383) v_arrayElimCell_385) 0) (= (select v_ArrVal_6071 v_arrayElimCell_386) 0) (not (= (store (select (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6042) |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse4 (select v_ArrVal_6048 .cse4)) v_ArrVal_6048)))) (not (= (select |c_#valid| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 0)))) (< v_ArrVal_6051 20))) (forall ((v_ArrVal_6051 Int)) (or (< v_ArrVal_6051 20) (forall ((|v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| Int)) (or (< (select (store |c_#length| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6051) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse2) (not (= (select |c_#valid| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 0)) (forall ((v_ArrVal_6048 (Array Int Int)) (v_arrayElimCell_386 Int) (v_ArrVal_6042 (Array Int Int))) (or (not (= (store (select (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6042) |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse4 (select v_ArrVal_6048 .cse4)) v_ArrVal_6048)) (forall ((v_ArrVal_6068 (Array Int Int)) (v_arrayElimCell_383 Int) (v_arrayElimCell_385 Int) (v_ArrVal_6071 (Array Int Int))) (let ((.cse16 (store (store (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_6048) |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6068) |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6071))) (or (= (select (select .cse16 v_arrayElimCell_383) v_arrayElimCell_385) 0) (= (select v_ArrVal_6071 v_arrayElimCell_386) 0) (= 0 (select (select .cse16 |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 0))))))))))) (forall ((v_ArrVal_6051 Int) (|v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| Int)) (or (< (select (store |c_#length| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6051) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse2) (forall ((v_ArrVal_6068 (Array Int Int)) (v_ArrVal_6048 (Array Int Int)) (v_arrayElimCell_383 Int) (v_arrayElimCell_386 Int) (v_arrayElimCell_385 Int) (v_ArrVal_6071 (Array Int Int)) (v_ArrVal_6042 (Array Int Int))) (or (= (select (select (store (store (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_6048) |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6068) |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6071) v_arrayElimCell_383) v_arrayElimCell_385) 0) (= (select v_ArrVal_6071 v_arrayElimCell_386) 0) (not (= (store (select (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6042) |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse4 (select v_ArrVal_6048 .cse4)) v_ArrVal_6048)))) (not (= (select |c_#valid| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 0)))) .cse17 .cse18 (forall ((v_ArrVal_6051 Int) (|v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| Int)) (or (< (select (store |c_#length| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6051) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse2) (not (= (select |c_#valid| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 0)) (forall ((v_ArrVal_6048 (Array Int Int)) (v_arrayElimCell_386 Int) (v_ArrVal_6042 (Array Int Int))) (or (not (= (store (select (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6042) |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse4 (select v_ArrVal_6048 .cse4)) v_ArrVal_6048)) (forall ((v_ArrVal_6068 (Array Int Int)) (v_arrayElimCell_383 Int) (v_arrayElimCell_385 Int) (v_ArrVal_6071 (Array Int Int))) (let ((.cse19 (store (store (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_6048) |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6068) |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6071))) (or (= (select (select .cse19 v_arrayElimCell_383) v_arrayElimCell_385) 0) (= (select v_ArrVal_6071 v_arrayElimCell_386) 0) (= 0 (select (select .cse19 |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 0))))))))) .cse20 (forall ((v_ArrVal_6051 Int) (v_ArrVal_6068 (Array Int Int)) (v_ArrVal_6048 (Array Int Int)) (v_arrayElimCell_383 Int) (v_arrayElimCell_386 Int) (v_arrayElimCell_385 Int) (|v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| Int) (v_ArrVal_6071 (Array Int Int)) (v_ArrVal_6042 (Array Int Int))) (or (< (select (store |c_#length| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6051) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse2) (= (select (select (store (store (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_6048) |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6068) |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6071) v_arrayElimCell_383) v_arrayElimCell_385) 0) (not (= (select |c_#valid| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 0)) (= (select v_ArrVal_6071 v_arrayElimCell_386) 0) (not (= (store (select (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6042) |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse4 (select v_ArrVal_6048 .cse4)) v_ArrVal_6048)))) (forall ((v_ArrVal_6051 Int)) (or (< v_ArrVal_6051 20) (forall ((v_ArrVal_6068 (Array Int Int)) (v_ArrVal_6048 (Array Int Int)) (v_arrayElimCell_383 Int) (v_arrayElimCell_386 Int) (v_arrayElimCell_385 Int) (|v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| Int) (v_ArrVal_6071 (Array Int Int)) (v_ArrVal_6042 (Array Int Int))) (or (< (select (store |c_#length| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6051) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse2) (= (select (select (store (store (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_6048) |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6068) |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6071) v_arrayElimCell_383) v_arrayElimCell_385) 0) (not (= (select |c_#valid| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 0)) (= (select v_ArrVal_6071 v_arrayElimCell_386) 0) (not (= (store (select (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6042) |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse4 (select v_ArrVal_6048 .cse4)) v_ArrVal_6048)))))))) .cse21 (forall ((v_ArrVal_6051 Int)) (or (< v_ArrVal_6051 20) (forall ((|v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| Int)) (or (< (select (store |c_#length| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6051) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse2) (not (= (select |c_#valid| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 0)) (forall ((v_arrayElimCell_381 Int) (v_ArrVal_6048 (Array Int Int)) (v_arrayElimCell_386 Int) (v_ArrVal_6042 (Array Int Int))) (or (forall ((v_ArrVal_6068 (Array Int Int)) (v_arrayElimCell_383 Int) (v_arrayElimCell_385 Int) (v_ArrVal_6071 (Array Int Int))) (let ((.cse22 (store (store (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_6048) |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6068) |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6071))) (or (= (select (select .cse22 v_arrayElimCell_381) v_arrayElimCell_386) 0) (= (select (select .cse22 |c_ULTIMATE.start_dll_create_~head~0#1.base|) |c_ULTIMATE.start_dll_create_~head~0#1.offset|) 0) (= (select (select .cse22 v_arrayElimCell_383) v_arrayElimCell_385) 0) (= 0 (select (select .cse22 |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 0))))) (not (= (store (select (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6042) |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse4 (select v_ArrVal_6048 .cse4)) v_ArrVal_6048)))))))) (or .cse14 (and (forall ((v_ArrVal_6051 Int) (|v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| Int)) (or (< (select (store |c_#length| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6051) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse2) (forall ((v_arrayElimCell_381 Int) (v_ArrVal_6068 (Array Int Int)) (v_ArrVal_6048 (Array Int Int)) (v_arrayElimCell_383 Int) (v_arrayElimCell_386 Int) (v_arrayElimCell_385 Int) (v_ArrVal_6071 (Array Int Int)) (v_ArrVal_6042 (Array Int Int))) (let ((.cse23 (store (store (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_6048) |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6068) |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6071))) (or (= (select (select .cse23 v_arrayElimCell_381) v_arrayElimCell_386) 0) (= (select (select .cse23 v_arrayElimCell_383) v_arrayElimCell_385) 0) (not (= (store (select (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6042) |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse4 (select v_ArrVal_6048 .cse4)) v_ArrVal_6048))))) (not (= (select |c_#valid| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 0)))) (forall ((v_ArrVal_6051 Int) (|v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| Int)) (or (< (select (store |c_#length| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6051) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse2) (forall ((v_arrayElimCell_381 Int) (v_ArrVal_6048 (Array Int Int)) (v_arrayElimCell_386 Int) (v_ArrVal_6042 (Array Int Int))) (or (forall ((v_ArrVal_6068 (Array Int Int)) (v_arrayElimCell_383 Int) (v_arrayElimCell_385 Int) (v_ArrVal_6071 (Array Int Int))) (let ((.cse24 (store (store (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_6048) |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6068) |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6071))) (or (= (select (select .cse24 v_arrayElimCell_381) v_arrayElimCell_386) 0) (= (select (select .cse24 v_arrayElimCell_383) v_arrayElimCell_385) 0) (= 0 (select (select .cse24 |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 0))))) (not (= (store (select (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6042) |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse4 (select v_ArrVal_6048 .cse4)) v_ArrVal_6048)))) (not (= (select |c_#valid| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 0)))))) (forall ((v_ArrVal_6051 Int) (|v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| Int)) (or (< (select (store |c_#length| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6051) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse2) (forall ((v_arrayElimCell_381 Int) (v_ArrVal_6068 (Array Int Int)) (v_ArrVal_6048 (Array Int Int)) (v_arrayElimCell_383 Int) (v_arrayElimCell_386 Int) (v_arrayElimCell_385 Int) (v_ArrVal_6071 (Array Int Int)) (v_ArrVal_6042 (Array Int Int))) (let ((.cse25 (store (store (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_6048) |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6068) |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6071))) (or (= (select (select .cse25 v_arrayElimCell_381) v_arrayElimCell_386) 0) (= (select (select .cse25 |c_ULTIMATE.start_dll_create_~head~0#1.base|) |c_ULTIMATE.start_dll_create_~head~0#1.offset|) 0) (= (select (select .cse25 v_arrayElimCell_383) v_arrayElimCell_385) 0) (not (= (store (select (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6042) |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse4 (select v_ArrVal_6048 .cse4)) v_ArrVal_6048))))) (not (= (select |c_#valid| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 0)))) (or (and (forall ((v_ArrVal_6051 Int)) (or (< v_ArrVal_6051 20) (forall ((|v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| Int)) (or (< (select (store |c_#length| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6051) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse2) (forall ((v_arrayElimCell_381 Int) (v_ArrVal_6068 (Array Int Int)) (v_ArrVal_6048 (Array Int Int)) (v_arrayElimCell_383 Int) (v_arrayElimCell_386 Int) (v_arrayElimCell_385 Int) (v_ArrVal_6071 (Array Int Int)) (v_ArrVal_6042 (Array Int Int))) (let ((.cse26 (store (store (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_6048) |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6068) |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6071))) (or (= (select (select .cse26 v_arrayElimCell_381) v_arrayElimCell_386) 0) (= (select (select .cse26 v_arrayElimCell_383) v_arrayElimCell_385) 0) (not (= (store (select (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6042) |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse4 (select v_ArrVal_6048 .cse4)) v_ArrVal_6048))))) (not (= (select |c_#valid| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 0)))))) (forall ((v_ArrVal_6051 Int)) (or (< v_ArrVal_6051 20) (forall ((|v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| Int)) (or (< (select (store |c_#length| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6051) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse2) (forall ((v_arrayElimCell_381 Int) (v_ArrVal_6048 (Array Int Int)) (v_arrayElimCell_386 Int) (v_ArrVal_6042 (Array Int Int))) (or (forall ((v_ArrVal_6068 (Array Int Int)) (v_arrayElimCell_383 Int) (v_arrayElimCell_385 Int) (v_ArrVal_6071 (Array Int Int))) (let ((.cse27 (store (store (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_6048) |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6068) |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6071))) (or (= (select (select .cse27 v_arrayElimCell_381) v_arrayElimCell_386) 0) (= (select (select .cse27 v_arrayElimCell_383) v_arrayElimCell_385) 0) (= 0 (select (select .cse27 |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 0))))) (not (= (store (select (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6042) |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse4 (select v_ArrVal_6048 .cse4)) v_ArrVal_6048)))) (not (= (select |c_#valid| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 0))))))) .cse14) (forall ((v_ArrVal_6051 Int) (|v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| Int)) (or (< (select (store |c_#length| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6051) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse2) (not (= (select |c_#valid| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 0)) (forall ((v_arrayElimCell_381 Int) (v_ArrVal_6048 (Array Int Int)) (v_arrayElimCell_386 Int) (v_ArrVal_6042 (Array Int Int))) (or (forall ((v_ArrVal_6068 (Array Int Int)) (v_arrayElimCell_383 Int) (v_arrayElimCell_385 Int) (v_ArrVal_6071 (Array Int Int))) (let ((.cse28 (store (store (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_6048) |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6068) |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6071))) (or (= (select (select .cse28 v_arrayElimCell_381) v_arrayElimCell_386) 0) (= (select (select .cse28 |c_ULTIMATE.start_dll_create_~head~0#1.base|) |c_ULTIMATE.start_dll_create_~head~0#1.offset|) 0) (= (select (select .cse28 v_arrayElimCell_383) v_arrayElimCell_385) 0) (= 0 (select (select .cse28 |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 0))))) (not (= (store (select (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6042) |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse4 (select v_ArrVal_6048 .cse4)) v_ArrVal_6048)))))) (forall ((v_arrayElimCell_386 Int) (v_ArrVal_6071 (Array Int Int))) (or (forall ((v_ArrVal_6048 (Array Int Int)) (v_ArrVal_6042 (Array Int Int))) (or (forall ((v_ArrVal_6068 (Array Int Int)) (v_arrayElimCell_383 Int) (v_arrayElimCell_385 Int) (|v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| Int)) (let ((.cse29 (store (store (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_6048) |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6068) |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6071))) (or (= (select (select .cse29 |c_ULTIMATE.start_dll_create_~head~0#1.base|) |c_ULTIMATE.start_dll_create_~head~0#1.offset|) 0) (= (select (select .cse29 v_arrayElimCell_383) v_arrayElimCell_385) 0) (not (= (select |c_#valid| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 0)) (forall ((v_ArrVal_6051 Int)) (or (< (select (store |c_#length| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6051) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse2) (< v_ArrVal_6051 20)))))) (not (= (store (select (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6042) |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse4 (select v_ArrVal_6048 .cse4)) v_ArrVal_6048)))) (= (select v_ArrVal_6071 v_arrayElimCell_386) 0))) (forall ((v_ArrVal_6051 Int)) (or (< v_ArrVal_6051 20) (forall ((|v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| Int)) (or (< (select (store |c_#length| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6051) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse2) (forall ((v_arrayElimCell_381 Int) (v_ArrVal_6068 (Array Int Int)) (v_ArrVal_6048 (Array Int Int)) (v_arrayElimCell_383 Int) (v_arrayElimCell_386 Int) (v_arrayElimCell_385 Int) (v_ArrVal_6071 (Array Int Int)) (v_ArrVal_6042 (Array Int Int))) (let ((.cse30 (store (store (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_6048) |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6068) |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6071))) (or (= (select (select .cse30 v_arrayElimCell_381) v_arrayElimCell_386) 0) (= (select (select .cse30 |c_ULTIMATE.start_dll_create_~head~0#1.base|) |c_ULTIMATE.start_dll_create_~head~0#1.offset|) 0) (= (select (select .cse30 v_arrayElimCell_383) v_arrayElimCell_385) 0) (not (= (store (select (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6042) |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse4 (select v_ArrVal_6048 .cse4)) v_ArrVal_6048))))) (not (= (select |c_#valid| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 0)))))) .cse31 .cse32 (or (and .cse15 .cse17 .cse18 .cse20) .cse14) .cse33 (forall ((v_arrayElimCell_386 Int) (v_ArrVal_6071 (Array Int Int))) (or (forall ((v_ArrVal_6048 (Array Int Int)) (v_ArrVal_6042 (Array Int Int))) (or (forall ((v_ArrVal_6068 (Array Int Int)) (v_arrayElimCell_383 Int) (v_arrayElimCell_385 Int) (|v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| Int)) (let ((.cse34 (store (store (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_6048) |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6068) |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6071))) (or (= (select (select .cse34 |c_ULTIMATE.start_dll_create_~head~0#1.base|) |c_ULTIMATE.start_dll_create_~head~0#1.offset|) 0) (= (select (select .cse34 v_arrayElimCell_383) v_arrayElimCell_385) 0) (not (= (select |c_#valid| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 0)) (forall ((v_ArrVal_6051 Int)) (< (select (store |c_#length| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6051) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse2))))) (not (= (store (select (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6042) |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse4 (select v_ArrVal_6048 .cse4)) v_ArrVal_6048)))) (= (select v_ArrVal_6071 v_arrayElimCell_386) 0))) (or .cse1 (and (forall ((v_arrayElimCell_386 Int) (v_ArrVal_6071 (Array Int Int))) (or (forall ((v_ArrVal_6048 (Array Int Int)) (v_ArrVal_6042 (Array Int Int))) (or (forall ((v_ArrVal_6068 (Array Int Int)) (|v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| Int)) (let ((.cse35 (store (store (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_6048) |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6068) |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6071))) (or (= (select (select .cse35 |c_ULTIMATE.start_dll_create_~head~0#1.base|) |c_ULTIMATE.start_dll_create_~head~0#1.offset|) 0) (not (= (select |c_#valid| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 0)) (forall ((v_ArrVal_6051 Int)) (< (select (store |c_#length| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6051) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse2)) (= 0 (select (select .cse35 |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 0))))) (not (= (store (select (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6042) |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse4 (select v_ArrVal_6048 .cse4)) v_ArrVal_6048)))) (= (select v_ArrVal_6071 v_arrayElimCell_386) 0))) (forall ((v_arrayElimCell_386 Int) (v_ArrVal_6071 (Array Int Int))) (or (forall ((v_ArrVal_6048 (Array Int Int)) (v_ArrVal_6042 (Array Int Int))) (or (forall ((v_ArrVal_6068 (Array Int Int)) (|v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| Int)) (or (= (select (select (store (store (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_6048) |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6068) |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6071) |c_ULTIMATE.start_dll_create_~head~0#1.base|) |c_ULTIMATE.start_dll_create_~head~0#1.offset|) 0) (not (= (select |c_#valid| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 0)) (forall ((v_ArrVal_6051 Int)) (< (select (store |c_#length| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6051) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse2)))) (not (= (store (select (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6042) |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse4 (select v_ArrVal_6048 .cse4)) v_ArrVal_6048)))) (= (select v_ArrVal_6071 v_arrayElimCell_386) 0))) (forall ((v_arrayElimCell_386 Int) (v_ArrVal_6071 (Array Int Int))) (or (forall ((v_ArrVal_6048 (Array Int Int)) (v_ArrVal_6042 (Array Int Int))) (or (forall ((v_ArrVal_6068 (Array Int Int)) (|v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| Int)) (or (= (select (select (store (store (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_6048) |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6068) |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6071) |c_ULTIMATE.start_dll_create_~head~0#1.base|) |c_ULTIMATE.start_dll_create_~head~0#1.offset|) 0) (not (= (select |c_#valid| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 0)) (forall ((v_ArrVal_6051 Int)) (or (< (select (store |c_#length| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6051) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse2) (< v_ArrVal_6051 20))))) (not (= (store (select (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6042) |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse4 (select v_ArrVal_6048 .cse4)) v_ArrVal_6048)))) (= (select v_ArrVal_6071 v_arrayElimCell_386) 0))) (forall ((v_arrayElimCell_386 Int) (v_ArrVal_6071 (Array Int Int))) (or (forall ((v_ArrVal_6048 (Array Int Int)) (v_ArrVal_6042 (Array Int Int))) (or (forall ((v_ArrVal_6068 (Array Int Int)) (|v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| Int)) (let ((.cse36 (store (store (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_6048) |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6068) |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6071))) (or (= (select (select .cse36 |c_ULTIMATE.start_dll_create_~head~0#1.base|) |c_ULTIMATE.start_dll_create_~head~0#1.offset|) 0) (not (= (select |c_#valid| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 0)) (forall ((v_ArrVal_6051 Int)) (or (< (select (store |c_#length| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6051) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse2) (< v_ArrVal_6051 20))) (= 0 (select (select .cse36 |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 0))))) (not (= (store (select (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6042) |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse4 (select v_ArrVal_6048 .cse4)) v_ArrVal_6048)))) (= (select v_ArrVal_6071 v_arrayElimCell_386) 0))) (forall ((v_ArrVal_6051 Int)) (or (< v_ArrVal_6051 20) (forall ((|v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| Int)) (or (< (select (store |c_#length| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6051) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse2) (forall ((v_ArrVal_6068 (Array Int Int)) (v_ArrVal_6048 (Array Int Int)) (v_arrayElimCell_386 Int) (v_ArrVal_6071 (Array Int Int)) (v_ArrVal_6042 (Array Int Int))) (or (= (select (select (store (store (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_6048) |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6068) |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6071) |c_ULTIMATE.start_dll_create_~head~0#1.base|) |c_ULTIMATE.start_dll_create_~head~0#1.offset|) 0) (= (select v_ArrVal_6071 v_arrayElimCell_386) 0) (not (= (store (select (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6042) |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse4 (select v_ArrVal_6048 .cse4)) v_ArrVal_6048)))) (not (= (select |c_#valid| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 0)))))) (forall ((v_ArrVal_6051 Int) (|v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| Int)) (or (< (select (store |c_#length| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6051) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse2) (not (= (select |c_#valid| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 0)) (forall ((v_ArrVal_6048 (Array Int Int)) (v_arrayElimCell_386 Int) (v_ArrVal_6042 (Array Int Int))) (or (not (= (store (select (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6042) |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse4 (select v_ArrVal_6048 .cse4)) v_ArrVal_6048)) (forall ((v_ArrVal_6068 (Array Int Int)) (v_ArrVal_6071 (Array Int Int))) (let ((.cse37 (store (store (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_6048) |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6068) |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6071))) (or (= (select (select .cse37 |c_ULTIMATE.start_dll_create_~head~0#1.base|) |c_ULTIMATE.start_dll_create_~head~0#1.offset|) 0) (= (select v_ArrVal_6071 v_arrayElimCell_386) 0) (= 0 (select (select .cse37 |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 0))))))))) (forall ((v_ArrVal_6051 Int) (|v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| Int)) (or (< (select (store |c_#length| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6051) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse2) (forall ((v_ArrVal_6068 (Array Int Int)) (v_ArrVal_6048 (Array Int Int)) (v_arrayElimCell_386 Int) (v_ArrVal_6071 (Array Int Int)) (v_ArrVal_6042 (Array Int Int))) (or (= (select (select (store (store (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_6048) |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6068) |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6071) |c_ULTIMATE.start_dll_create_~head~0#1.base|) |c_ULTIMATE.start_dll_create_~head~0#1.offset|) 0) (= (select v_ArrVal_6071 v_arrayElimCell_386) 0) (not (= (store (select (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6042) |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse4 (select v_ArrVal_6048 .cse4)) v_ArrVal_6048)))) (not (= (select |c_#valid| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 0)))) (forall ((v_ArrVal_6051 Int)) (or (< v_ArrVal_6051 20) (forall ((|v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| Int)) (or (< (select (store |c_#length| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6051) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse2) (not (= (select |c_#valid| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 0)) (forall ((v_ArrVal_6048 (Array Int Int)) (v_arrayElimCell_386 Int) (v_ArrVal_6042 (Array Int Int))) (or (not (= (store (select (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6042) |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse4 (select v_ArrVal_6048 .cse4)) v_ArrVal_6048)) (forall ((v_ArrVal_6068 (Array Int Int)) (v_ArrVal_6071 (Array Int Int))) (let ((.cse38 (store (store (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_6048) |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6068) |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6071))) (or (= (select (select .cse38 |c_ULTIMATE.start_dll_create_~head~0#1.base|) |c_ULTIMATE.start_dll_create_~head~0#1.offset|) 0) (= (select v_ArrVal_6071 v_arrayElimCell_386) 0) (= 0 (select (select .cse38 |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 0))))))))))))) .cse39))) (or .cse42 (not (= (+ 8 |c_ULTIMATE.start_dll_create_~new_head~0#1.offset|) 0))))) (or .cse0 (and (forall ((v_ArrVal_6071 (Array Int Int))) (or (= (select v_ArrVal_6071 0) 0) (forall ((v_ArrVal_6048 (Array Int Int)) (v_ArrVal_6042 (Array Int Int))) (or (forall ((v_ArrVal_6068 (Array Int Int)) (v_arrayElimCell_383 Int) (v_arrayElimCell_385 Int) (|v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| Int)) (let ((.cse43 (store (store (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_6048) |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6068) |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6071))) (or (= (select (select .cse43 |c_ULTIMATE.start_dll_create_~head~0#1.base|) |c_ULTIMATE.start_dll_create_~head~0#1.offset|) 0) (= (select (select .cse43 v_arrayElimCell_383) v_arrayElimCell_385) 0) (not (= (select |c_#valid| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 0)) (forall ((v_ArrVal_6051 Int)) (or (< (select (store |c_#length| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6051) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse2) (< v_ArrVal_6051 20))) (= 0 (select (select .cse43 |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 0))))) (not (= (store (select (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6042) |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse4 (select v_ArrVal_6048 .cse4)) v_ArrVal_6048)))))) (forall ((v_ArrVal_6071 (Array Int Int))) (or (= (select v_ArrVal_6071 0) 0) (forall ((v_ArrVal_6048 (Array Int Int)) (v_ArrVal_6042 (Array Int Int))) (or (forall ((v_ArrVal_6068 (Array Int Int)) (v_arrayElimCell_383 Int) (v_arrayElimCell_385 Int) (|v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| Int)) (let ((.cse44 (store (store (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_6048) |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6068) |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6071))) (or (= (select (select .cse44 |c_ULTIMATE.start_dll_create_~head~0#1.base|) |c_ULTIMATE.start_dll_create_~head~0#1.offset|) 0) (= (select (select .cse44 v_arrayElimCell_383) v_arrayElimCell_385) 0) (not (= (select |c_#valid| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 0)) (forall ((v_ArrVal_6051 Int)) (< (select (store |c_#length| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6051) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse2)) (= 0 (select (select .cse44 |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 0))))) (not (= (store (select (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6042) |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse4 (select v_ArrVal_6048 .cse4)) v_ArrVal_6048)))))))) .cse6 (= .cse45 1) (or .cse0 (and (forall ((v_ArrVal_6071 (Array Int Int))) (or (= (select v_ArrVal_6071 0) 0) (forall ((v_ArrVal_6048 (Array Int Int)) (v_ArrVal_6042 (Array Int Int))) (or (forall ((v_ArrVal_6068 (Array Int Int)) (v_arrayElimCell_383 Int) (v_arrayElimCell_385 Int) (|v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| Int)) (let ((.cse46 (store (store (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_6048) |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6068) |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6071))) (or (= (select (select .cse46 |c_ULTIMATE.start_dll_create_~head~0#1.base|) |c_ULTIMATE.start_dll_create_~head~0#1.offset|) 0) (= (select (select .cse46 v_arrayElimCell_383) v_arrayElimCell_385) 0) (not (= (select |c_#valid| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 0)) (forall ((v_ArrVal_6051 Int)) (or (< (select (store |c_#length| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6051) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse2) (< v_ArrVal_6051 20)))))) (not (= (store (select (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6042) |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse4 (select v_ArrVal_6048 .cse4)) v_ArrVal_6048)))))) (forall ((v_ArrVal_6071 (Array Int Int))) (or (= (select v_ArrVal_6071 0) 0) (forall ((v_ArrVal_6048 (Array Int Int)) (v_ArrVal_6042 (Array Int Int))) (or (forall ((v_ArrVal_6068 (Array Int Int)) (v_arrayElimCell_383 Int) (v_arrayElimCell_385 Int) (|v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| Int)) (let ((.cse47 (store (store (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_6048) |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6068) |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6071))) (or (= (select (select .cse47 |c_ULTIMATE.start_dll_create_~head~0#1.base|) |c_ULTIMATE.start_dll_create_~head~0#1.offset|) 0) (= (select (select .cse47 v_arrayElimCell_383) v_arrayElimCell_385) 0) (not (= (select |c_#valid| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 0)) (forall ((v_ArrVal_6051 Int)) (< (select (store |c_#length| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6051) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse2))))) (not (= (store (select (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6042) |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse4 (select v_ArrVal_6048 .cse4)) v_ArrVal_6048)))))))) .cse14 (or .cse0 .cse42) (or .cse0 .cse14 (and (forall ((v_ArrVal_6051 Int) (|v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| Int)) (or (< (select (store |c_#length| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6051) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse2) (not (= (select |c_#valid| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 0)) (forall ((v_ArrVal_6048 (Array Int Int)) (v_ArrVal_6042 (Array Int Int))) (or (forall ((v_ArrVal_6068 (Array Int Int)) (v_arrayElimCell_383 Int) (v_arrayElimCell_385 Int) (v_ArrVal_6071 (Array Int Int))) (let ((.cse48 (store (store (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_6048) |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6068) |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6071))) (or (= (select v_ArrVal_6071 0) 0) (= (select (select .cse48 v_arrayElimCell_383) v_arrayElimCell_385) 0) (= 0 (select (select .cse48 |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 0))))) (not (= (store (select (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6042) |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse4 (select v_ArrVal_6048 .cse4)) v_ArrVal_6048)))))) (forall ((v_ArrVal_6051 Int) (|v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| Int)) (or (< (select (store |c_#length| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6051) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse2) (not (= (select |c_#valid| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 0)) (forall ((v_ArrVal_6068 (Array Int Int)) (v_ArrVal_6048 (Array Int Int)) (v_arrayElimCell_383 Int) (v_arrayElimCell_385 Int) (v_ArrVal_6071 (Array Int Int)) (v_ArrVal_6042 (Array Int Int))) (or (= (select v_ArrVal_6071 0) 0) (= (select (select (store (store (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_6048) |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6068) |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6071) v_arrayElimCell_383) v_arrayElimCell_385) 0) (not (= (store (select (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6042) |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse4 (select v_ArrVal_6048 .cse4)) v_ArrVal_6048)))))) (forall ((v_ArrVal_6051 Int)) (or (forall ((|v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| Int)) (or (< (select (store |c_#length| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6051) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse2) (not (= (select |c_#valid| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 0)) (forall ((v_ArrVal_6048 (Array Int Int)) (v_ArrVal_6042 (Array Int Int))) (or (forall ((v_ArrVal_6068 (Array Int Int)) (v_arrayElimCell_383 Int) (v_arrayElimCell_385 Int) (v_ArrVal_6071 (Array Int Int))) (let ((.cse49 (store (store (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_6048) |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6068) |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6071))) (or (= (select v_ArrVal_6071 0) 0) (= (select (select .cse49 v_arrayElimCell_383) v_arrayElimCell_385) 0) (= 0 (select (select .cse49 |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 0))))) (not (= (store (select (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6042) |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse4 (select v_ArrVal_6048 .cse4)) v_ArrVal_6048)))))) (< v_ArrVal_6051 20))) (forall ((v_ArrVal_6051 Int)) (or (< v_ArrVal_6051 20) (forall ((|v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| Int)) (or (< (select (store |c_#length| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6051) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse2) (not (= (select |c_#valid| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 0)) (forall ((v_ArrVal_6068 (Array Int Int)) (v_ArrVal_6048 (Array Int Int)) (v_arrayElimCell_383 Int) (v_arrayElimCell_385 Int) (v_ArrVal_6071 (Array Int Int)) (v_ArrVal_6042 (Array Int Int))) (or (= (select v_ArrVal_6071 0) 0) (= (select (select (store (store (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_6048) |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6068) |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6071) v_arrayElimCell_383) v_arrayElimCell_385) 0) (not (= (store (select (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6042) |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse4 (select v_ArrVal_6048 .cse4)) v_ArrVal_6048)))))))))) (or .cse0 (and .cse13 .cse21 .cse31 .cse32 .cse33 .cse39)) (= (select (select |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~head~0#1.base|) 0) 0) (= (select |c_#valid| |c_ULTIMATE.start_dll_create_~head~0#1.base|) 1) (or .cse0 .cse6 (and (or .cse1 (and (forall ((v_ArrVal_6051 Int)) (or (< v_ArrVal_6051 20) (forall ((|v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| Int)) (or (< (select (store |c_#length| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6051) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse2) (not (= (select |c_#valid| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 0)) (forall ((v_arrayElimCell_381 Int) (v_ArrVal_6048 (Array Int Int)) (v_ArrVal_6042 (Array Int Int))) (or (forall ((v_ArrVal_6068 (Array Int Int)) (v_ArrVal_6071 (Array Int Int))) (let ((.cse50 (store (store (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_6048) |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6068) |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6071))) (or (= (select (select .cse50 v_arrayElimCell_381) 0) 0) (= (select (select .cse50 |c_ULTIMATE.start_dll_create_~head~0#1.base|) |c_ULTIMATE.start_dll_create_~head~0#1.offset|) 0) (= 0 (select (select .cse50 |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 0))))) (not (= (store (select (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6042) |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse4 (select v_ArrVal_6048 .cse4)) v_ArrVal_6048)))))))) (forall ((v_ArrVal_6051 Int)) (or (forall ((|v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| Int)) (or (< (select (store |c_#length| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6051) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse2) (not (= (select |c_#valid| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 0)) (forall ((v_arrayElimCell_381 Int) (v_ArrVal_6068 (Array Int Int)) (v_ArrVal_6048 (Array Int Int)) (v_ArrVal_6071 (Array Int Int)) (v_ArrVal_6042 (Array Int Int))) (let ((.cse51 (store (store (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_6048) |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6068) |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6071))) (or (= (select (select .cse51 v_arrayElimCell_381) 0) 0) (= (select (select .cse51 |c_ULTIMATE.start_dll_create_~head~0#1.base|) |c_ULTIMATE.start_dll_create_~head~0#1.offset|) 0) (not (= (store (select (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6042) |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse4 (select v_ArrVal_6048 .cse4)) v_ArrVal_6048))))))) (< v_ArrVal_6051 20))))) (or .cse14 (and (forall ((v_ArrVal_6051 Int) (|v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| Int)) (or (< (select (store |c_#length| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6051) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse2) (forall ((v_arrayElimCell_381 Int) (v_ArrVal_6048 (Array Int Int)) (v_ArrVal_6042 (Array Int Int))) (or (forall ((v_ArrVal_6068 (Array Int Int)) (v_arrayElimCell_383 Int) (v_arrayElimCell_385 Int) (v_ArrVal_6071 (Array Int Int))) (let ((.cse52 (store (store (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_6048) |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6068) |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6071))) (or (= (select (select .cse52 v_arrayElimCell_381) 0) 0) (= (select (select .cse52 v_arrayElimCell_383) v_arrayElimCell_385) 0) (= 0 (select (select .cse52 |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 0))))) (not (= (store (select (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6042) |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse4 (select v_ArrVal_6048 .cse4)) v_ArrVal_6048)))) (not (= (select |c_#valid| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 0)))) (forall ((v_ArrVal_6051 Int) (|v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| Int)) (or (< (select (store |c_#length| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6051) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse2) (not (= (select |c_#valid| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 0)) (forall ((v_arrayElimCell_381 Int) (v_ArrVal_6068 (Array Int Int)) (v_ArrVal_6048 (Array Int Int)) (v_arrayElimCell_383 Int) (v_arrayElimCell_385 Int) (v_ArrVal_6071 (Array Int Int)) (v_ArrVal_6042 (Array Int Int))) (let ((.cse53 (store (store (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_6048) |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6068) |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6071))) (or (= (select (select .cse53 v_arrayElimCell_381) 0) 0) (= (select (select .cse53 v_arrayElimCell_383) v_arrayElimCell_385) 0) (not (= (store (select (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6042) |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse4 (select v_ArrVal_6048 .cse4)) v_ArrVal_6048))))))))) .cse13 (or .cse1 (and (forall ((v_ArrVal_6051 Int) (|v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| Int)) (or (< (select (store |c_#length| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6051) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse2) (not (= (select |c_#valid| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 0)) (forall ((v_arrayElimCell_381 Int) (v_ArrVal_6068 (Array Int Int)) (v_ArrVal_6048 (Array Int Int)) (v_ArrVal_6071 (Array Int Int)) (v_ArrVal_6042 (Array Int Int))) (let ((.cse54 (store (store (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_6048) |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6068) |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6071))) (or (= (select (select .cse54 v_arrayElimCell_381) 0) 0) (= (select (select .cse54 |c_ULTIMATE.start_dll_create_~head~0#1.base|) |c_ULTIMATE.start_dll_create_~head~0#1.offset|) 0) (not (= (store (select (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6042) |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse4 (select v_ArrVal_6048 .cse4)) v_ArrVal_6048))))))) (forall ((v_ArrVal_6051 Int) (|v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| Int)) (or (< (select (store |c_#length| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6051) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse2) (not (= (select |c_#valid| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 0)) (forall ((v_arrayElimCell_381 Int) (v_ArrVal_6048 (Array Int Int)) (v_ArrVal_6042 (Array Int Int))) (or (forall ((v_ArrVal_6068 (Array Int Int)) (v_ArrVal_6071 (Array Int Int))) (let ((.cse55 (store (store (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_6048) |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6068) |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6071))) (or (= (select (select .cse55 v_arrayElimCell_381) 0) 0) (= (select (select .cse55 |c_ULTIMATE.start_dll_create_~head~0#1.base|) |c_ULTIMATE.start_dll_create_~head~0#1.offset|) 0) (= 0 (select (select .cse55 |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 0))))) (not (= (store (select (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6042) |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse4 (select v_ArrVal_6048 .cse4)) v_ArrVal_6048)))))))) .cse21 (or (and (forall ((v_ArrVal_6051 Int)) (or (< v_ArrVal_6051 20) (forall ((|v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| Int)) (or (< (select (store |c_#length| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6051) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse2) (forall ((v_arrayElimCell_381 Int) (v_ArrVal_6048 (Array Int Int)) (v_ArrVal_6042 (Array Int Int))) (or (forall ((v_ArrVal_6068 (Array Int Int)) (v_arrayElimCell_383 Int) (v_arrayElimCell_385 Int) (v_ArrVal_6071 (Array Int Int))) (let ((.cse56 (store (store (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_6048) |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6068) |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6071))) (or (= (select (select .cse56 v_arrayElimCell_381) 0) 0) (= (select (select .cse56 v_arrayElimCell_383) v_arrayElimCell_385) 0) (= 0 (select (select .cse56 |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 0))))) (not (= (store (select (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6042) |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse4 (select v_ArrVal_6048 .cse4)) v_ArrVal_6048)))) (not (= (select |c_#valid| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 0)))))) (forall ((v_ArrVal_6051 Int)) (or (< v_ArrVal_6051 20) (forall ((|v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| Int)) (or (< (select (store |c_#length| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6051) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse2) (not (= (select |c_#valid| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 0)) (forall ((v_arrayElimCell_381 Int) (v_ArrVal_6068 (Array Int Int)) (v_ArrVal_6048 (Array Int Int)) (v_arrayElimCell_383 Int) (v_arrayElimCell_385 Int) (v_ArrVal_6071 (Array Int Int)) (v_ArrVal_6042 (Array Int Int))) (let ((.cse57 (store (store (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_6048) |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6068) |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6071))) (or (= (select (select .cse57 v_arrayElimCell_381) 0) 0) (= (select (select .cse57 v_arrayElimCell_383) v_arrayElimCell_385) 0) (not (= (store (select (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6042) |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse4 (select v_ArrVal_6048 .cse4)) v_ArrVal_6048)))))))))) .cse14) (forall ((v_ArrVal_6051 Int) (|v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| Int)) (or (< (select (store |c_#length| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6051) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse2) (forall ((v_arrayElimCell_381 Int) (v_ArrVal_6048 (Array Int Int)) (v_ArrVal_6042 (Array Int Int))) (or (forall ((v_ArrVal_6068 (Array Int Int)) (v_arrayElimCell_383 Int) (v_arrayElimCell_385 Int) (v_ArrVal_6071 (Array Int Int))) (let ((.cse58 (store (store (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_6048) |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6068) |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6071))) (or (= (select (select .cse58 v_arrayElimCell_381) 0) 0) (= (select (select .cse58 |c_ULTIMATE.start_dll_create_~head~0#1.base|) |c_ULTIMATE.start_dll_create_~head~0#1.offset|) 0) (= (select (select .cse58 v_arrayElimCell_383) v_arrayElimCell_385) 0) (= 0 (select (select .cse58 |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 0))))) (not (= (store (select (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6042) |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse4 (select v_ArrVal_6048 .cse4)) v_ArrVal_6048)))) (not (= (select |c_#valid| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 0)))) .cse31 .cse32 .cse33 .cse39 (forall ((v_ArrVal_6051 Int)) (or (forall ((|v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| Int)) (or (< (select (store |c_#length| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6051) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse2) (forall ((v_arrayElimCell_381 Int) (v_ArrVal_6068 (Array Int Int)) (v_ArrVal_6048 (Array Int Int)) (v_arrayElimCell_383 Int) (v_arrayElimCell_385 Int) (v_ArrVal_6071 (Array Int Int)) (v_ArrVal_6042 (Array Int Int))) (let ((.cse59 (store (store (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_6048) |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6068) |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6071))) (or (= (select (select .cse59 v_arrayElimCell_381) 0) 0) (= (select (select .cse59 |c_ULTIMATE.start_dll_create_~head~0#1.base|) |c_ULTIMATE.start_dll_create_~head~0#1.offset|) 0) (= (select (select .cse59 v_arrayElimCell_383) v_arrayElimCell_385) 0) (not (= (store (select (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6042) |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse4 (select v_ArrVal_6048 .cse4)) v_ArrVal_6048))))) (not (= (select |c_#valid| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 0)))) (< v_ArrVal_6051 20))) (forall ((v_ArrVal_6051 Int) (|v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| Int)) (or (< (select (store |c_#length| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6051) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse2) (forall ((v_arrayElimCell_381 Int) (v_ArrVal_6068 (Array Int Int)) (v_ArrVal_6048 (Array Int Int)) (v_arrayElimCell_383 Int) (v_arrayElimCell_385 Int) (v_ArrVal_6071 (Array Int Int)) (v_ArrVal_6042 (Array Int Int))) (let ((.cse60 (store (store (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_6048) |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6068) |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6071))) (or (= (select (select .cse60 v_arrayElimCell_381) 0) 0) (= (select (select .cse60 |c_ULTIMATE.start_dll_create_~head~0#1.base|) |c_ULTIMATE.start_dll_create_~head~0#1.offset|) 0) (= (select (select .cse60 v_arrayElimCell_383) v_arrayElimCell_385) 0) (not (= (store (select (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6042) |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse4 (select v_ArrVal_6048 .cse4)) v_ArrVal_6048))))) (not (= (select |c_#valid| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 0)))) (forall ((v_ArrVal_6051 Int)) (or (forall ((|v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| Int)) (or (< (select (store |c_#length| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6051) |c_ULTIMATE.start_dll_create_~new_head~0#1.base|) .cse2) (forall ((v_arrayElimCell_381 Int) (v_ArrVal_6048 (Array Int Int)) (v_ArrVal_6042 (Array Int Int))) (or (forall ((v_ArrVal_6068 (Array Int Int)) (v_arrayElimCell_383 Int) (v_arrayElimCell_385 Int) (v_ArrVal_6071 (Array Int Int))) (let ((.cse61 (store (store (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~head~0#1.base| v_ArrVal_6048) |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103| v_ArrVal_6068) |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6071))) (or (= (select (select .cse61 v_arrayElimCell_381) 0) 0) (= (select (select .cse61 |c_ULTIMATE.start_dll_create_~head~0#1.base|) |c_ULTIMATE.start_dll_create_~head~0#1.offset|) 0) (= (select (select .cse61 v_arrayElimCell_383) v_arrayElimCell_385) 0) (= 0 (select (select .cse61 |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 0))))) (not (= (store (select (store |c_#memory_int#1| |c_ULTIMATE.start_dll_create_~new_head~0#1.base| v_ArrVal_6042) |c_ULTIMATE.start_dll_create_~head~0#1.base|) .cse4 (select v_ArrVal_6048 .cse4)) v_ArrVal_6048)))) (not (= (select |c_#valid| |v_ULTIMATE.start_dll_create_~new_head~0#1.base_103|) 0)))) (< v_ArrVal_6051 20))))))))) is different from true [2023-11-29 02:22:08,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-11-29 02:22:21,509 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2023-11-29 02:22:44,237 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-11-29 02:22:46,411 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-11-29 02:22:47,826 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-11-29 02:22:55,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-11-29 02:23:03,966 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2023-11-29 02:23:06,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2023-11-29 02:23:17,038 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-11-29 02:23:22,886 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-11-29 02:23:24,497 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-11-29 02:23:27,626 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-11-29 02:23:33,325 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-11-29 02:23:44,768 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-11-29 02:23:46,009 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-11-29 02:23:46,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:23:46,616 INFO L93 Difference]: Finished difference Result 148 states and 161 transitions. [2023-11-29 02:23:46,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-11-29 02:23:46,617 INFO L78 Accepts]: Start accepts. Automaton has has 69 states, 69 states have (on average 3.0) internal successors, (207), 69 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2023-11-29 02:23:46,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:23:46,618 INFO L225 Difference]: With dead ends: 148 [2023-11-29 02:23:46,619 INFO L226 Difference]: Without dead ends: 148 [2023-11-29 02:23:46,623 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 140 SyntacticMatches, 2 SemanticMatches, 101 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 2681 ImplicationChecksByTransitivity, 293.3s TimeCoverageRelationStatistics Valid=1467, Invalid=8374, Unknown=71, NotChecked=594, Total=10506 [2023-11-29 02:23:46,624 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 120 mSDsluCounter, 985 mSDsCounter, 0 mSdLazyCounter, 2021 mSolverCounterSat, 82 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 62.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 1022 SdHoareTripleChecker+Invalid, 2458 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 2021 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 354 IncrementalHoareTripleChecker+Unchecked, 67.8s IncrementalHoareTripleChecker+Time [2023-11-29 02:23:46,624 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 1022 Invalid, 2458 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 2021 Invalid, 1 Unknown, 354 Unchecked, 67.8s Time] [2023-11-29 02:23:46,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2023-11-29 02:23:46,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 137. [2023-11-29 02:23:46,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 123 states have (on average 1.2195121951219512) internal successors, (150), 136 states have internal predecessors, (150), 0 states have call successors, (0), 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 02:23:46,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 150 transitions. [2023-11-29 02:23:46,629 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 150 transitions. Word has length 82 [2023-11-29 02:23:46,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:23:46,629 INFO L495 AbstractCegarLoop]: Abstraction has 137 states and 150 transitions. [2023-11-29 02:23:46,630 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 69 states, 69 states have (on average 3.0) internal successors, (207), 69 states have internal predecessors, (207), 0 states have call successors, (0), 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 02:23:46,630 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 150 transitions. [2023-11-29 02:23:46,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-29 02:23:46,630 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:23:46,630 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2023-11-29 02:23:46,638 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb31e9-4308-48f5-88d3-c5db4d1d6320/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-11-29 02:23:46,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb31e9-4308-48f5-88d3-c5db4d1d6320/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2023-11-29 02:23:46,831 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 32 more)] === [2023-11-29 02:23:46,831 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:23:46,832 INFO L85 PathProgramCache]: Analyzing trace with hash -1618760266, now seen corresponding path program 3 times [2023-11-29 02:23:46,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:23:46,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226288689] [2023-11-29 02:23:46,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:23:46,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:23:46,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:23:53,225 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 54 proven. 79 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-29 02:23:53,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:23:53,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226288689] [2023-11-29 02:23:53,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1226288689] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 02:23:53,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1073573873] [2023-11-29 02:23:53,226 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-29 02:23:53,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:23:53,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb31e9-4308-48f5-88d3-c5db4d1d6320/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:23:53,227 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb31e9-4308-48f5-88d3-c5db4d1d6320/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:23:53,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aeb31e9-4308-48f5-88d3-c5db4d1d6320/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-11-29 02:23:54,079 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2023-11-29 02:23:54,079 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 02:23:54,084 INFO L262 TraceCheckSpWp]: Trace formula consists of 515 conjuncts, 104 conjunts are in the unsatisfiable core [2023-11-29 02:23:54,091 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:23:54,119 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 13 treesize of output 9 [2023-11-29 02:23:54,276 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 29 treesize of output 13 [2023-11-29 02:23:54,374 INFO L349 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2023-11-29 02:23:54,374 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 27 [2023-11-29 02:23:54,807 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 8 treesize of output 1 [2023-11-29 02:23:54,958 INFO L349 Elim1Store]: treesize reduction 72, result has 30.1 percent of original size [2023-11-29 02:23:54,958 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 30 treesize of output 40 [2023-11-29 02:23:55,381 INFO L349 Elim1Store]: treesize reduction 25, result has 16.7 percent of original size [2023-11-29 02:23:55,381 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 45 treesize of output 42 [2023-11-29 02:23:55,788 INFO L349 Elim1Store]: treesize reduction 25, result has 16.7 percent of original size [2023-11-29 02:23:55,788 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 45 treesize of output 42 [2023-11-29 02:23:55,920 INFO L349 Elim1Store]: treesize reduction 25, result has 16.7 percent of original size [2023-11-29 02:23:55,920 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 45 treesize of output 42 [2023-11-29 02:23:56,035 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 02:23:56,113 INFO L349 Elim1Store]: treesize reduction 45, result has 16.7 percent of original size [2023-11-29 02:23:56,114 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 48 treesize of output 41 [2023-11-29 02:23:56,519 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 23 treesize of output 11 [2023-11-29 02:23:56,609 INFO L349 Elim1Store]: treesize reduction 59, result has 13.2 percent of original size [2023-11-29 02:23:56,609 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 44 [2023-11-29 02:23:56,956 INFO L349 Elim1Store]: treesize reduction 106, result has 21.5 percent of original size [2023-11-29 02:23:56,956 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 123 treesize of output 90 [2023-11-29 02:23:56,980 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 128 treesize of output 105 [2023-11-29 02:23:58,066 INFO L349 Elim1Store]: treesize reduction 140, result has 31.4 percent of original size [2023-11-29 02:23:58,067 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 47 treesize of output 76 [2023-11-29 02:23:58,166 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 14 treesize of output 9 [2023-11-29 02:23:58,849 INFO L349 Elim1Store]: treesize reduction 56, result has 16.4 percent of original size [2023-11-29 02:23:58,849 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 155 treesize of output 122 [2023-11-29 02:23:58,891 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 130 treesize of output 115 [2023-11-29 02:23:59,575 INFO L349 Elim1Store]: treesize reduction 56, result has 16.4 percent of original size [2023-11-29 02:23:59,576 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 155 treesize of output 122 [2023-11-29 02:23:59,595 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 130 treesize of output 115 [2023-11-29 02:23:59,829 INFO L349 Elim1Store]: treesize reduction 56, result has 16.4 percent of original size [2023-11-29 02:23:59,829 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 155 treesize of output 122 [2023-11-29 02:23:59,851 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 130 treesize of output 115 [2023-11-29 02:24:00,166 INFO L349 Elim1Store]: treesize reduction 192, result has 15.8 percent of original size [2023-11-29 02:24:00,167 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 158 treesize of output 92 [2023-11-29 02:24:00,193 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 133 treesize of output 112 [2023-11-29 02:24:01,102 INFO L349 Elim1Store]: treesize reduction 252, result has 12.5 percent of original size [2023-11-29 02:24:01,103 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 13 case distinctions, treesize of input 169 treesize of output 95 [2023-11-29 02:24:01,143 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-29 02:24:01,143 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 144 treesize of output 115 [2023-11-29 02:24:01,700 INFO L349 Elim1Store]: treesize reduction 194, result has 11.0 percent of original size [2023-11-29 02:24:01,701 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 10 new quantified variables, introduced 13 case distinctions, treesize of input 283 treesize of output 129 [2023-11-29 02:24:01,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 02:24:01,737 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 212 treesize of output 170 [2023-11-29 02:24:09,844 INFO L349 Elim1Store]: treesize reduction 32, result has 75.2 percent of original size [2023-11-29 02:24:09,844 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 1 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 462 treesize of output 458