./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/list-simple/dll2c_prepend_unequal.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c987c788-e774-4041-a17f-053f827cefb7/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c987c788-e774-4041-a17f-053f827cefb7/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_c987c788-e774-4041-a17f-053f827cefb7/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c987c788-e774-4041-a17f-053f827cefb7/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/list-simple/dll2c_prepend_unequal.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c987c788-e774-4041-a17f-053f827cefb7/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c987c788-e774-4041-a17f-053f827cefb7/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 583b66b9d59d34de12ff7e58a8eb24a95055476e3f5044dc2a7c6b2bb83f4c67 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 02:06:58,831 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 02:06:58,896 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c987c788-e774-4041-a17f-053f827cefb7/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 02:06:58,901 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 02:06:58,902 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 02:06:58,926 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 02:06:58,927 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 02:06:58,927 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 02:06:58,928 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 02:06:58,929 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 02:06:58,929 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 02:06:58,930 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 02:06:58,931 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 02:06:58,931 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 02:06:58,932 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 02:06:58,932 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 02:06:58,933 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 02:06:58,933 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 02:06:58,934 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 02:06:58,934 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 02:06:58,935 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 02:06:58,936 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 02:06:58,936 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 02:06:58,937 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 02:06:58,937 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 02:06:58,938 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 02:06:58,938 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 02:06:58,939 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 02:06:58,939 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 02:06:58,939 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 02:06:58,940 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 02:06:58,940 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:06:58,941 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 02:06:58,941 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 02:06:58,941 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 02:06:58,941 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 02:06:58,941 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 02:06:58,942 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 02:06:58,942 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 02:06:58,942 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 02:06:58,942 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 02:06:58,943 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 02:06:58,943 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_c987c788-e774-4041-a17f-053f827cefb7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c987c788-e774-4041-a17f-053f827cefb7/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 583b66b9d59d34de12ff7e58a8eb24a95055476e3f5044dc2a7c6b2bb83f4c67 [2023-11-29 02:06:59,141 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 02:06:59,161 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 02:06:59,164 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 02:06:59,165 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 02:06:59,166 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 02:06:59,167 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c987c788-e774-4041-a17f-053f827cefb7/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/list-simple/dll2c_prepend_unequal.i [2023-11-29 02:07:01,941 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 02:07:02,148 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 02:07:02,149 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c987c788-e774-4041-a17f-053f827cefb7/sv-benchmarks/c/list-simple/dll2c_prepend_unequal.i [2023-11-29 02:07:02,164 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c987c788-e774-4041-a17f-053f827cefb7/bin/uautomizer-verify-BQ2R08f2Ya/data/8c3819a63/8559df62cd004be28cd41f2975e37fb6/FLAGa99222c07 [2023-11-29 02:07:02,176 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c987c788-e774-4041-a17f-053f827cefb7/bin/uautomizer-verify-BQ2R08f2Ya/data/8c3819a63/8559df62cd004be28cd41f2975e37fb6 [2023-11-29 02:07:02,179 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 02:07:02,180 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 02:07:02,181 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 02:07:02,182 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 02:07:02,186 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 02:07:02,187 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:07:02" (1/1) ... [2023-11-29 02:07:02,187 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41cada60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:07:02, skipping insertion in model container [2023-11-29 02:07:02,188 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:07:02" (1/1) ... [2023-11-29 02:07:02,236 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 02:07:02,487 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c987c788-e774-4041-a17f-053f827cefb7/sv-benchmarks/c/list-simple/dll2c_prepend_unequal.i[24729,24742] [2023-11-29 02:07:02,491 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:07:02,500 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 02:07:02,566 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c987c788-e774-4041-a17f-053f827cefb7/sv-benchmarks/c/list-simple/dll2c_prepend_unequal.i[24729,24742] [2023-11-29 02:07:02,567 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:07:02,604 INFO L206 MainTranslator]: Completed translation [2023-11-29 02:07:02,605 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:07:02 WrapperNode [2023-11-29 02:07:02,605 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 02:07:02,606 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 02:07:02,606 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 02:07:02,606 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 02:07:02,612 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:07:02" (1/1) ... [2023-11-29 02:07:02,625 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:07:02" (1/1) ... [2023-11-29 02:07:02,645 INFO L138 Inliner]: procedures = 127, calls = 49, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 146 [2023-11-29 02:07:02,645 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 02:07:02,646 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 02:07:02,646 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 02:07:02,646 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 02:07:02,655 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:07:02" (1/1) ... [2023-11-29 02:07:02,655 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:07:02" (1/1) ... [2023-11-29 02:07:02,659 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:07:02" (1/1) ... [2023-11-29 02:07:02,678 INFO L175 MemorySlicer]: Split 31 memory accesses to 3 slices as follows [2, 20, 9]. 65 percent of accesses are in the largest equivalence class. The 3 initializations are split as follows [2, 0, 1]. The 15 writes are split as follows [0, 13, 2]. [2023-11-29 02:07:02,678 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:07:02" (1/1) ... [2023-11-29 02:07:02,678 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:07:02" (1/1) ... [2023-11-29 02:07:02,686 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:07:02" (1/1) ... [2023-11-29 02:07:02,689 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:07:02" (1/1) ... [2023-11-29 02:07:02,691 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:07:02" (1/1) ... [2023-11-29 02:07:02,692 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:07:02" (1/1) ... [2023-11-29 02:07:02,695 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 02:07:02,696 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 02:07:02,696 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 02:07:02,696 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 02:07:02,697 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:07:02" (1/1) ... [2023-11-29 02:07:02,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:07:02,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c987c788-e774-4041-a17f-053f827cefb7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:07:02,726 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c987c788-e774-4041-a17f-053f827cefb7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 02:07:02,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c987c788-e774-4041-a17f-053f827cefb7/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 02:07:02,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-29 02:07:02,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-29 02:07:02,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-29 02:07:02,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-29 02:07:02,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-29 02:07:02,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-29 02:07:02,764 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2023-11-29 02:07:02,764 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2023-11-29 02:07:02,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-29 02:07:02,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 02:07:02,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 02:07:02,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-29 02:07:02,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-29 02:07:02,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-11-29 02:07:02,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-29 02:07:02,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-29 02:07:02,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-11-29 02:07:02,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 02:07:02,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2023-11-29 02:07:02,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2023-11-29 02:07:02,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2023-11-29 02:07:02,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 02:07:02,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-29 02:07:02,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-29 02:07:02,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 02:07:02,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 02:07:02,888 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 02:07:02,890 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 02:07:03,101 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 02:07:03,136 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 02:07:03,136 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-29 02:07:03,136 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:07:03 BoogieIcfgContainer [2023-11-29 02:07:03,137 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 02:07:03,139 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 02:07:03,139 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 02:07:03,143 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 02:07:03,143 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 02:07:02" (1/3) ... [2023-11-29 02:07:03,144 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b964707 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:07:03, skipping insertion in model container [2023-11-29 02:07:03,144 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:07:02" (2/3) ... [2023-11-29 02:07:03,145 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b964707 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:07:03, skipping insertion in model container [2023-11-29 02:07:03,145 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:07:03" (3/3) ... [2023-11-29 02:07:03,146 INFO L112 eAbstractionObserver]: Analyzing ICFG dll2c_prepend_unequal.i [2023-11-29 02:07:03,166 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 02:07:03,167 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 02:07:03,215 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 02:07:03,221 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=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@b53f49f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 02:07:03,221 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 02:07:03,224 INFO L276 IsEmpty]: Start isEmpty. Operand has 30 states, 24 states have (on average 1.5833333333333333) internal successors, (38), 25 states have internal predecessors, (38), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 02:07:03,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-29 02:07:03,232 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:07:03,233 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:07:03,233 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:07:03,239 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:07:03,239 INFO L85 PathProgramCache]: Analyzing trace with hash 623205830, now seen corresponding path program 1 times [2023-11-29 02:07:03,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:07:03,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238230924] [2023-11-29 02:07:03,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:07:03,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:07:03,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:07:03,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:07:03,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:07:03,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 02:07:03,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:07:03,550 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-29 02:07:03,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:07:03,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238230924] [2023-11-29 02:07:03,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238230924] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:07:03,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:07:03,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 02:07:03,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887036165] [2023-11-29 02:07:03,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:07:03,559 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:07:03,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:07:03,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:07:03,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:07:03,587 INFO L87 Difference]: Start difference. First operand has 30 states, 24 states have (on average 1.5833333333333333) internal successors, (38), 25 states have internal predecessors, (38), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 02:07:03,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:07:03,695 INFO L93 Difference]: Finished difference Result 52 states and 75 transitions. [2023-11-29 02:07:03,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:07:03,698 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 17 [2023-11-29 02:07:03,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:07:03,704 INFO L225 Difference]: With dead ends: 52 [2023-11-29 02:07:03,704 INFO L226 Difference]: Without dead ends: 23 [2023-11-29 02:07:03,707 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 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 02:07:03,711 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 0 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 02:07:03,712 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 54 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 02:07:03,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2023-11-29 02:07:03,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2023-11-29 02:07:03,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 18 states have internal predecessors, (24), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 02:07:03,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 30 transitions. [2023-11-29 02:07:03,748 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 30 transitions. Word has length 17 [2023-11-29 02:07:03,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:07:03,749 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 30 transitions. [2023-11-29 02:07:03,749 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 02:07:03,750 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2023-11-29 02:07:03,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-29 02:07:03,751 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:07:03,751 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:07:03,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 02:07:03,752 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:07:03,752 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:07:03,753 INFO L85 PathProgramCache]: Analyzing trace with hash -1786230279, now seen corresponding path program 1 times [2023-11-29 02:07:03,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:07:03,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691748120] [2023-11-29 02:07:03,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:07:03,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:07:03,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:07:03,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:07:03,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:07:03,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 02:07:03,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:07:03,965 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-29 02:07:03,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:07:03,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691748120] [2023-11-29 02:07:03,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691748120] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:07:03,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:07:03,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 02:07:03,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259025320] [2023-11-29 02:07:03,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:07:03,968 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 02:07:03,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:07:03,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 02:07:03,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 02:07:03,969 INFO L87 Difference]: Start difference. First operand 23 states and 30 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 02:07:04,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:07:04,061 INFO L93 Difference]: Finished difference Result 43 states and 56 transitions. [2023-11-29 02:07:04,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 02:07:04,061 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 17 [2023-11-29 02:07:04,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:07:04,062 INFO L225 Difference]: With dead ends: 43 [2023-11-29 02:07:04,062 INFO L226 Difference]: Without dead ends: 28 [2023-11-29 02:07:04,063 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 02:07:04,064 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 4 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 02:07:04,065 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 56 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 02:07:04,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2023-11-29 02:07:04,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 24. [2023-11-29 02:07:04,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 19 states have internal predecessors, (25), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 02:07:04,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 31 transitions. [2023-11-29 02:07:04,072 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 31 transitions. Word has length 17 [2023-11-29 02:07:04,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:07:04,073 INFO L495 AbstractCegarLoop]: Abstraction has 24 states and 31 transitions. [2023-11-29 02:07:04,073 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 02:07:04,073 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2023-11-29 02:07:04,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-29 02:07:04,074 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:07:04,074 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:07:04,074 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 02:07:04,075 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:07:04,075 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:07:04,075 INFO L85 PathProgramCache]: Analyzing trace with hash -1233931554, now seen corresponding path program 1 times [2023-11-29 02:07:04,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:07:04,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042771913] [2023-11-29 02:07:04,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:07:04,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:07:04,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:07:04,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:07:04,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:07:04,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 02:07:04,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:07:04,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-29 02:07:04,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:07:04,574 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-29 02:07:04,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:07:04,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042771913] [2023-11-29 02:07:04,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2042771913] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 02:07:04,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1027422989] [2023-11-29 02:07:04,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:07:04,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:07:04,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c987c788-e774-4041-a17f-053f827cefb7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:07:04,579 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c987c788-e774-4041-a17f-053f827cefb7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:07:04,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c987c788-e774-4041-a17f-053f827cefb7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 02:07:04,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:07:04,787 INFO L262 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-29 02:07:04,794 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:07:05,060 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 16 treesize of output 8 [2023-11-29 02:07:05,080 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-29 02:07:05,080 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:07:05,129 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 8 treesize of output 4 [2023-11-29 02:07:05,166 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-29 02:07:05,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1027422989] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 02:07:05,166 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 02:07:05,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11, 9] total 18 [2023-11-29 02:07:05,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562068341] [2023-11-29 02:07:05,167 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 02:07:05,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-11-29 02:07:05,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:07:05,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-11-29 02:07:05,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=263, Unknown=0, NotChecked=0, Total=306 [2023-11-29 02:07:05,170 INFO L87 Difference]: Start difference. First operand 24 states and 31 transitions. Second operand has 18 states, 17 states have (on average 1.9411764705882353) internal successors, (33), 15 states have internal predecessors, (33), 5 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (7), 7 states have call predecessors, (7), 5 states have call successors, (7) [2023-11-29 02:07:09,178 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 02:07:13,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 02:07:17,210 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 02:07:21,254 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 02:07:25,264 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 02:07:29,572 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 02:07:33,712 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 02:07:37,746 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 02:07:37,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:07:37,764 INFO L93 Difference]: Finished difference Result 51 states and 65 transitions. [2023-11-29 02:07:37,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-29 02:07:37,764 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 1.9411764705882353) internal successors, (33), 15 states have internal predecessors, (33), 5 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (7), 7 states have call predecessors, (7), 5 states have call successors, (7) Word has length 25 [2023-11-29 02:07:37,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:07:37,765 INFO L225 Difference]: With dead ends: 51 [2023-11-29 02:07:37,766 INFO L226 Difference]: Without dead ends: 31 [2023-11-29 02:07:37,766 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 45 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=93, Invalid=557, Unknown=0, NotChecked=0, Total=650 [2023-11-29 02:07:37,768 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 25 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 3 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.4s IncrementalHoareTripleChecker+Time [2023-11-29 02:07:37,768 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 216 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 189 Invalid, 8 Unknown, 0 Unchecked, 32.4s Time] [2023-11-29 02:07:37,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2023-11-29 02:07:37,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 30. [2023-11-29 02:07:37,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 23 states have (on average 1.2173913043478262) internal successors, (28), 23 states have internal predecessors, (28), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-29 02:07:37,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 36 transitions. [2023-11-29 02:07:37,776 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 36 transitions. Word has length 25 [2023-11-29 02:07:37,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:07:37,777 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 36 transitions. [2023-11-29 02:07:37,777 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 1.9411764705882353) internal successors, (33), 15 states have internal predecessors, (33), 5 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (7), 7 states have call predecessors, (7), 5 states have call successors, (7) [2023-11-29 02:07:37,777 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2023-11-29 02:07:37,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-29 02:07:37,779 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:07:37,779 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:07:37,789 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c987c788-e774-4041-a17f-053f827cefb7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 02:07:37,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c987c788-e774-4041-a17f-053f827cefb7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:07:37,980 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:07:37,980 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:07:37,980 INFO L85 PathProgramCache]: Analyzing trace with hash -1233871972, now seen corresponding path program 1 times [2023-11-29 02:07:37,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:07:37,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743343249] [2023-11-29 02:07:37,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:07:37,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:07:38,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:07:39,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:07:39,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:07:40,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 02:07:40,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:07:40,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-29 02:07:40,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:07:40,354 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-29 02:07:40,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:07:40,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743343249] [2023-11-29 02:07:40,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743343249] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 02:07:40,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [353933683] [2023-11-29 02:07:40,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:07:40,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:07:40,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c987c788-e774-4041-a17f-053f827cefb7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:07:40,358 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c987c788-e774-4041-a17f-053f827cefb7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:07:40,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c987c788-e774-4041-a17f-053f827cefb7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 02:07:40,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:07:40,575 INFO L262 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 110 conjunts are in the unsatisfiable core [2023-11-29 02:07:40,582 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:07:40,625 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 02:07:40,822 INFO L349 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2023-11-29 02:07:40,822 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 12 treesize of output 14 [2023-11-29 02:07:41,050 INFO L349 Elim1Store]: treesize reduction 82, result has 41.8 percent of original size [2023-11-29 02:07:41,050 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 104 treesize of output 176 [2023-11-29 02:07:41,060 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 20 treesize of output 19 [2023-11-29 02:07:41,110 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:07:41,111 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 57 treesize of output 13 [2023-11-29 02:07:41,117 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 13 treesize of output 11 [2023-11-29 02:07:41,301 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:07:41,302 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 152 treesize of output 101 [2023-11-29 02:07:41,315 INFO L349 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2023-11-29 02:07:41,316 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 17 treesize of output 7 [2023-11-29 02:07:41,326 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2023-11-29 02:07:41,460 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 11 treesize of output 7 [2023-11-29 02:07:41,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 02:07:41,576 INFO L349 Elim1Store]: treesize reduction 29, result has 14.7 percent of original size [2023-11-29 02:07:41,576 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 160 treesize of output 103 [2023-11-29 02:07:41,596 INFO L349 Elim1Store]: treesize reduction 28, result has 42.9 percent of original size [2023-11-29 02:07:41,597 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 28 treesize of output 30 [2023-11-29 02:07:41,831 INFO L349 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2023-11-29 02:07:41,832 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 26 treesize of output 21 [2023-11-29 02:07:41,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 02:07:41,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 02:07:41,851 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 60 treesize of output 26 [2023-11-29 02:07:41,858 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 37 treesize of output 15 [2023-11-29 02:07:41,865 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 59 treesize of output 28 [2023-11-29 02:07:41,869 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 20 treesize of output 12 [2023-11-29 02:07:41,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 02:07:41,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 02:07:41,882 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 73 treesize of output 26 [2023-11-29 02:07:41,894 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 37 treesize of output 15 [2023-11-29 02:07:41,958 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 23 treesize of output 15 [2023-11-29 02:07:41,962 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 15 treesize of output 7 [2023-11-29 02:07:41,964 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:07:41,965 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:07:42,036 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_689 (Array Int Int)) (v_ArrVal_688 (Array Int Int)) (v_ArrVal_690 (Array Int Int)) (v_ArrVal_691 Int)) (or (not (= v_ArrVal_690 (store (select |c_#memory_int#1| |c_ULTIMATE.start_dll_circular_prepend_~new_head~1#1.base|) |c_ULTIMATE.start_dll_circular_prepend_~new_head~1#1.offset| (select v_ArrVal_690 |c_ULTIMATE.start_dll_circular_prepend_~new_head~1#1.offset|)))) (= |c_ULTIMATE.start_main_~uneq~0#1| (let ((.cse2 (select |c_#memory_$Pointer$#2.offset| |c_ULTIMATE.start_dll_circular_prepend_~head#1.base|))) (select (let ((.cse3 (select |c_#memory_$Pointer$#2.base| |c_ULTIMATE.start_dll_circular_prepend_~head#1.base|))) (select (let ((.cse0 (select .cse3 |c_ULTIMATE.start_dll_circular_prepend_~head#1.offset|))) (let ((.cse1 (select (select |c_#memory_$Pointer$#1.base| .cse0) (+ (select .cse2 |c_ULTIMATE.start_dll_circular_prepend_~head#1.offset|) 4)))) (store (store (store |c_#memory_int#1| .cse0 v_ArrVal_689) .cse1 v_ArrVal_688) |c_ULTIMATE.start_dll_circular_prepend_~new_head~1#1.base| (store (select (store (store (store |c_#memory_int#1| |c_ULTIMATE.start_dll_circular_prepend_~new_head~1#1.base| v_ArrVal_690) .cse0 v_ArrVal_689) .cse1 v_ArrVal_688) |c_ULTIMATE.start_dll_circular_prepend_~new_head~1#1.base|) (+ |c_ULTIMATE.start_dll_circular_prepend_~new_head~1#1.offset| 4) v_ArrVal_691)))) (select (select (store |c_#memory_$Pointer$#2.base| |c_ULTIMATE.start_dll_circular_prepend_~head#1.base| (store .cse3 |c_ULTIMATE.start_dll_circular_prepend_~head#1.offset| |c_ULTIMATE.start_dll_circular_prepend_~new_head~1#1.base|)) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|))) (+ 8 (select (select (store |c_#memory_$Pointer$#2.offset| |c_ULTIMATE.start_dll_circular_prepend_~head#1.base| (store .cse2 |c_ULTIMATE.start_dll_circular_prepend_~head#1.offset| |c_ULTIMATE.start_dll_circular_prepend_~new_head~1#1.offset|)) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|))))))) is different from false [2023-11-29 02:07:42,057 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_689 (Array Int Int)) (v_ArrVal_688 (Array Int Int)) (v_ArrVal_690 (Array Int Int)) (v_ArrVal_691 Int)) (or (not (= v_ArrVal_690 (store (select |c_#memory_int#1| |c_ULTIMATE.start_dll_circular_prepend_#t~ret9#1.base|) |c_ULTIMATE.start_dll_circular_prepend_#t~ret9#1.offset| (select v_ArrVal_690 |c_ULTIMATE.start_dll_circular_prepend_#t~ret9#1.offset|)))) (= |c_ULTIMATE.start_main_~uneq~0#1| (let ((.cse2 (select |c_#memory_$Pointer$#2.offset| |c_ULTIMATE.start_dll_circular_prepend_~head#1.base|))) (select (let ((.cse3 (select |c_#memory_$Pointer$#2.base| |c_ULTIMATE.start_dll_circular_prepend_~head#1.base|))) (select (let ((.cse0 (select .cse3 |c_ULTIMATE.start_dll_circular_prepend_~head#1.offset|))) (let ((.cse1 (select (select |c_#memory_$Pointer$#1.base| .cse0) (+ (select .cse2 |c_ULTIMATE.start_dll_circular_prepend_~head#1.offset|) 4)))) (store (store (store |c_#memory_int#1| .cse0 v_ArrVal_689) .cse1 v_ArrVal_688) |c_ULTIMATE.start_dll_circular_prepend_#t~ret9#1.base| (store (select (store (store (store |c_#memory_int#1| |c_ULTIMATE.start_dll_circular_prepend_#t~ret9#1.base| v_ArrVal_690) .cse0 v_ArrVal_689) .cse1 v_ArrVal_688) |c_ULTIMATE.start_dll_circular_prepend_#t~ret9#1.base|) (+ |c_ULTIMATE.start_dll_circular_prepend_#t~ret9#1.offset| 4) v_ArrVal_691)))) (select (select (store |c_#memory_$Pointer$#2.base| |c_ULTIMATE.start_dll_circular_prepend_~head#1.base| (store .cse3 |c_ULTIMATE.start_dll_circular_prepend_~head#1.offset| |c_ULTIMATE.start_dll_circular_prepend_#t~ret9#1.base|)) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|))) (+ (select (select (store |c_#memory_$Pointer$#2.offset| |c_ULTIMATE.start_dll_circular_prepend_~head#1.base| (store .cse2 |c_ULTIMATE.start_dll_circular_prepend_~head#1.offset| |c_ULTIMATE.start_dll_circular_prepend_#t~ret9#1.offset|)) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|) 8)))))) is different from false [2023-11-29 02:07:42,173 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:07:42,174 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 2536 treesize of output 2526 [2023-11-29 02:07:42,199 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 1538 treesize of output 1378 [2023-11-29 02:07:42,270 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 1554 treesize of output 1474 [2023-11-29 02:07:42,331 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 3 [2023-11-29 02:07:42,970 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 5592 treesize of output 5336 [2023-11-29 02:07:43,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [353933683] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 02:07:43,314 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 02:07:43,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 21] total 35 [2023-11-29 02:07:43,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948631651] [2023-11-29 02:07:43,314 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 02:07:43,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2023-11-29 02:07:43,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:07:43,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2023-11-29 02:07:43,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=1221, Unknown=4, NotChecked=142, Total=1482 [2023-11-29 02:07:43,317 INFO L87 Difference]: Start difference. First operand 30 states and 36 transitions. Second operand has 35 states, 27 states have (on average 1.2962962962962963) internal successors, (35), 26 states have internal predecessors, (35), 6 states have call successors, (6), 4 states have call predecessors, (6), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-29 02:07:44,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:07:44,793 INFO L93 Difference]: Finished difference Result 33 states and 38 transitions. [2023-11-29 02:07:44,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-29 02:07:44,793 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 27 states have (on average 1.2962962962962963) internal successors, (35), 26 states have internal predecessors, (35), 6 states have call successors, (6), 4 states have call predecessors, (6), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 25 [2023-11-29 02:07:44,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:07:44,794 INFO L225 Difference]: With dead ends: 33 [2023-11-29 02:07:44,794 INFO L226 Difference]: Without dead ends: 31 [2023-11-29 02:07:44,795 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 464 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=193, Invalid=1971, Unknown=6, NotChecked=182, Total=2352 [2023-11-29 02:07:44,796 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 26 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 449 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 449 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-29 02:07:44,796 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 189 Invalid, 453 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 449 Invalid, 2 Unknown, 0 Unchecked, 1.1s Time] [2023-11-29 02:07:44,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2023-11-29 02:07:44,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 30. [2023-11-29 02:07:44,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 23 states have (on average 1.173913043478261) internal successors, (27), 23 states have internal predecessors, (27), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-29 02:07:44,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 35 transitions. [2023-11-29 02:07:44,802 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 35 transitions. Word has length 25 [2023-11-29 02:07:44,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:07:44,802 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 35 transitions. [2023-11-29 02:07:44,802 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 27 states have (on average 1.2962962962962963) internal successors, (35), 26 states have internal predecessors, (35), 6 states have call successors, (6), 4 states have call predecessors, (6), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-29 02:07:44,802 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 35 transitions. [2023-11-29 02:07:44,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-29 02:07:44,803 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:07:44,803 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:07:44,808 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c987c788-e774-4041-a17f-053f827cefb7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 02:07:45,004 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c987c788-e774-4041-a17f-053f827cefb7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:07:45,004 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:07:45,005 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:07:45,005 INFO L85 PathProgramCache]: Analyzing trace with hash -339970569, now seen corresponding path program 1 times [2023-11-29 02:07:45,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:07:45,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448681196] [2023-11-29 02:07:45,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:07:45,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:07:45,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:07:47,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 02:07:47,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:07:47,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 02:07:47,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:07:47,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-29 02:07:47,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:07:47,923 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-29 02:07:47,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:07:47,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448681196] [2023-11-29 02:07:47,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448681196] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 02:07:47,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1932405653] [2023-11-29 02:07:47,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:07:47,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:07:47,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c987c788-e774-4041-a17f-053f827cefb7/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:07:47,925 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c987c788-e774-4041-a17f-053f827cefb7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:07:47,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c987c788-e774-4041-a17f-053f827cefb7/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 02:07:48,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:07:48,168 INFO L262 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 126 conjunts are in the unsatisfiable core [2023-11-29 02:07:48,175 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:07:48,218 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 02:07:48,462 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 11 treesize of output 7 [2023-11-29 02:07:48,530 WARN L854 $PredicateComparison]: unable to prove that (and (= |c_ULTIMATE.start_dll_circular_create_~last~0#1.base| |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|) (= |c_ULTIMATE.start_main_~#s~0#1.offset| 0) (exists ((|v_#valid_BEFORE_CALL_6| (Array Int Int))) (and (= (select |v_#valid_BEFORE_CALL_6| |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1) (= |c_#valid| (let ((.cse0 (@diff |v_#valid_BEFORE_CALL_6| |c_#valid|))) (store |v_#valid_BEFORE_CALL_6| .cse0 (select |c_#valid| .cse0)))) (= (select |v_#valid_BEFORE_CALL_6| |c_ULTIMATE.start_dll_circular_create_#t~ret5#1.base|) 0))) (= |c_ULTIMATE.start_main_~data~0#1| 1) (= |c_ULTIMATE.start_dll_circular_create_#t~ret5#1.offset| 0) (= (select (select |c_#memory_int#1| |c_ULTIMATE.start_dll_circular_create_#t~ret5#1.base|) 8) 1) (= (select |c_#valid| |c_ULTIMATE.start_dll_circular_create_#t~ret5#1.base|) 1)) is different from false [2023-11-29 02:07:48,532 WARN L876 $PredicateComparison]: unable to prove that (and (= |c_ULTIMATE.start_dll_circular_create_~last~0#1.base| |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|) (= |c_ULTIMATE.start_main_~#s~0#1.offset| 0) (exists ((|v_#valid_BEFORE_CALL_6| (Array Int Int))) (and (= (select |v_#valid_BEFORE_CALL_6| |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1) (= |c_#valid| (let ((.cse0 (@diff |v_#valid_BEFORE_CALL_6| |c_#valid|))) (store |v_#valid_BEFORE_CALL_6| .cse0 (select |c_#valid| .cse0)))) (= (select |v_#valid_BEFORE_CALL_6| |c_ULTIMATE.start_dll_circular_create_#t~ret5#1.base|) 0))) (= |c_ULTIMATE.start_main_~data~0#1| 1) (= |c_ULTIMATE.start_dll_circular_create_#t~ret5#1.offset| 0) (= (select (select |c_#memory_int#1| |c_ULTIMATE.start_dll_circular_create_#t~ret5#1.base|) 8) 1) (= (select |c_#valid| |c_ULTIMATE.start_dll_circular_create_#t~ret5#1.base|) 1)) is different from true [2023-11-29 02:07:48,556 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 11 [2023-11-29 02:07:48,570 WARN L854 $PredicateComparison]: unable to prove that (and (= |c_ULTIMATE.start_dll_circular_create_~last~0#1.base| |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|) (= |c_ULTIMATE.start_main_~#s~0#1.offset| 0) (= |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0) (= |c_ULTIMATE.start_main_~data~0#1| 1) (exists ((|v_#valid_BEFORE_CALL_6| (Array Int Int))) (and (= (select |v_#valid_BEFORE_CALL_6| |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1) (= |c_#valid| (let ((.cse0 (@diff |v_#valid_BEFORE_CALL_6| |c_#valid|))) (store |v_#valid_BEFORE_CALL_6| .cse0 (select |c_#valid| .cse0)))) (= (select |v_#valid_BEFORE_CALL_6| |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 0))) (= (select |c_#valid| |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (= (select (select |c_#memory_int#1| |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 8) 1)) is different from false [2023-11-29 02:07:48,572 WARN L876 $PredicateComparison]: unable to prove that (and (= |c_ULTIMATE.start_dll_circular_create_~last~0#1.base| |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|) (= |c_ULTIMATE.start_main_~#s~0#1.offset| 0) (= |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0) (= |c_ULTIMATE.start_main_~data~0#1| 1) (exists ((|v_#valid_BEFORE_CALL_6| (Array Int Int))) (and (= (select |v_#valid_BEFORE_CALL_6| |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1) (= |c_#valid| (let ((.cse0 (@diff |v_#valid_BEFORE_CALL_6| |c_#valid|))) (store |v_#valid_BEFORE_CALL_6| .cse0 (select |c_#valid| .cse0)))) (= (select |v_#valid_BEFORE_CALL_6| |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 0))) (= (select |c_#valid| |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (= (select (select |c_#memory_int#1| |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 8) 1)) is different from true [2023-11-29 02:07:48,593 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-29 02:07:48,594 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 1 case distinctions, treesize of input 16 treesize of output 15 [2023-11-29 02:07:48,618 WARN L854 $PredicateComparison]: unable to prove that (and (or (= |c_ULTIMATE.start_dll_circular_create_~last~0#1.base| |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (= (select (select |c_#memory_int#1| |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 8) 1)) (= |c_ULTIMATE.start_main_~#s~0#1.offset| 0) (= |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0) (= |c_ULTIMATE.start_main_~data~0#1| 1) (= (select |c_#valid| |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (exists ((|v_#valid_BEFORE_CALL_6| (Array Int Int))) (and (= (select |v_#valid_BEFORE_CALL_6| |c_ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |c_#valid| (let ((.cse0 (@diff |v_#valid_BEFORE_CALL_6| |c_#valid|))) (store |v_#valid_BEFORE_CALL_6| .cse0 (select |c_#valid| .cse0)))) (= (select |v_#valid_BEFORE_CALL_6| |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 0)))) is different from false [2023-11-29 02:07:48,620 WARN L876 $PredicateComparison]: unable to prove that (and (or (= |c_ULTIMATE.start_dll_circular_create_~last~0#1.base| |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (= (select (select |c_#memory_int#1| |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 8) 1)) (= |c_ULTIMATE.start_main_~#s~0#1.offset| 0) (= |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0) (= |c_ULTIMATE.start_main_~data~0#1| 1) (= (select |c_#valid| |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (exists ((|v_#valid_BEFORE_CALL_6| (Array Int Int))) (and (= (select |v_#valid_BEFORE_CALL_6| |c_ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |c_#valid| (let ((.cse0 (@diff |v_#valid_BEFORE_CALL_6| |c_#valid|))) (store |v_#valid_BEFORE_CALL_6| .cse0 (select |c_#valid| .cse0)))) (= (select |v_#valid_BEFORE_CALL_6| |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 0)))) is different from true [2023-11-29 02:07:48,653 WARN L854 $PredicateComparison]: unable to prove that (and (= |c_ULTIMATE.start_main_~#s~0#1.offset| 0) (= 0 |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|) (= |c_ULTIMATE.start_main_~data~0#1| 1) (or (= |c_ULTIMATE.start_dll_circular_create_~last~0#1.base| |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|) (= (select (select |c_#memory_int#1| |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|) 8) 1)) (exists ((|v_#valid_BEFORE_CALL_6| (Array Int Int))) (and (= (select |v_#valid_BEFORE_CALL_6| |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|) 0) (= (select |v_#valid_BEFORE_CALL_6| |c_ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |c_#valid| (let ((.cse0 (@diff |v_#valid_BEFORE_CALL_6| |c_#valid|))) (store |v_#valid_BEFORE_CALL_6| .cse0 (select |c_#valid| .cse0)))))) (= (select |c_#valid| |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1)) is different from false [2023-11-29 02:07:48,655 WARN L876 $PredicateComparison]: unable to prove that (and (= |c_ULTIMATE.start_main_~#s~0#1.offset| 0) (= 0 |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|) (= |c_ULTIMATE.start_main_~data~0#1| 1) (or (= |c_ULTIMATE.start_dll_circular_create_~last~0#1.base| |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|) (= (select (select |c_#memory_int#1| |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|) 8) 1)) (exists ((|v_#valid_BEFORE_CALL_6| (Array Int Int))) (and (= (select |v_#valid_BEFORE_CALL_6| |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|) 0) (= (select |v_#valid_BEFORE_CALL_6| |c_ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |c_#valid| (let ((.cse0 (@diff |v_#valid_BEFORE_CALL_6| |c_#valid|))) (store |v_#valid_BEFORE_CALL_6| .cse0 (select |c_#valid| .cse0)))))) (= (select |c_#valid| |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1)) is different from true [2023-11-29 02:07:48,746 INFO L349 Elim1Store]: treesize reduction 82, result has 41.8 percent of original size [2023-11-29 02:07:48,747 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 132 treesize of output 197 [2023-11-29 02:07:48,759 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 42 treesize of output 50 [2023-11-29 02:07:48,824 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 57 treesize of output 33 [2023-11-29 02:07:48,829 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 13 treesize of output 11 [2023-11-29 02:07:48,893 INFO L349 Elim1Store]: treesize reduction 82, result has 41.8 percent of original size [2023-11-29 02:07:48,893 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 104 treesize of output 176 [2023-11-29 02:07:48,902 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 20 treesize of output 19 [2023-11-29 02:07:48,929 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:07:48,930 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 20 treesize of output 1 [2023-11-29 02:07:48,975 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:07:48,976 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 57 treesize of output 13 [2023-11-29 02:07:48,988 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 13 treesize of output 11 [2023-11-29 02:07:49,003 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (select (select |c_#memory_$Pointer$#2.base| |c_ULTIMATE.start_main_~#s~0#1.base|) 0))) (let ((.cse3 (select (select |c_#memory_$Pointer$#1.base| .cse0) 4))) (let ((.cse4 (= .cse3 .cse0))) (and (= (select (select |c_#memory_$Pointer$#2.offset| |c_ULTIMATE.start_main_~#s~0#1.base|) 0) 0) (= (select |c_#valid| .cse0) 1) (or (let ((.cse1 (select |c_#memory_int#1| .cse0))) (and (= (select .cse1 8) 1) (exists ((v_DerPreprocessor_7 (Array Int Int)) (v_DerPreprocessor_6 (Array Int Int))) (let ((.cse2 (select (store (store |c_#memory_int#1| .cse3 v_DerPreprocessor_6) .cse0 v_DerPreprocessor_7) .cse3))) (and (= v_DerPreprocessor_7 (store .cse2 4 (select .cse1 4))) (= (select |c_#memory_int#1| .cse3) .cse2)))))) .cse4) (= |c_ULTIMATE.start_main_~#s~0#1.offset| 0) (= |c_ULTIMATE.start_main_~data~0#1| 1) (= |c_ULTIMATE.start_dll_circular_prepend_~head#1.base| |c_ULTIMATE.start_main_~#s~0#1.base|) (or (exists ((v_DerPreprocessor_8 (Array Int Int))) (let ((.cse5 (select |c_#memory_$Pointer$#1.base| .cse3))) (= (select (store (store |c_#memory_$Pointer$#1.base| .cse3 v_DerPreprocessor_8) .cse0 (store .cse5 4 .cse3)) .cse3) .cse5))) .cse4) (exists ((|v_#valid_BEFORE_CALL_6| (Array Int Int))) (and (= (select |v_#valid_BEFORE_CALL_6| .cse3) 1) (= |c_#valid| (let ((.cse6 (@diff |v_#valid_BEFORE_CALL_6| |c_#valid|))) (store |v_#valid_BEFORE_CALL_6| .cse6 (select |c_#valid| .cse6)))) (= (select |v_#valid_BEFORE_CALL_6| .cse0) 0))) (= |c_ULTIMATE.start_dll_circular_prepend_~head#1.offset| 0))))) is different from false [2023-11-29 02:07:49,007 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse0 (select (select |c_#memory_$Pointer$#2.base| |c_ULTIMATE.start_main_~#s~0#1.base|) 0))) (let ((.cse3 (select (select |c_#memory_$Pointer$#1.base| .cse0) 4))) (let ((.cse4 (= .cse3 .cse0))) (and (= (select (select |c_#memory_$Pointer$#2.offset| |c_ULTIMATE.start_main_~#s~0#1.base|) 0) 0) (= (select |c_#valid| .cse0) 1) (or (let ((.cse1 (select |c_#memory_int#1| .cse0))) (and (= (select .cse1 8) 1) (exists ((v_DerPreprocessor_7 (Array Int Int)) (v_DerPreprocessor_6 (Array Int Int))) (let ((.cse2 (select (store (store |c_#memory_int#1| .cse3 v_DerPreprocessor_6) .cse0 v_DerPreprocessor_7) .cse3))) (and (= v_DerPreprocessor_7 (store .cse2 4 (select .cse1 4))) (= (select |c_#memory_int#1| .cse3) .cse2)))))) .cse4) (= |c_ULTIMATE.start_main_~#s~0#1.offset| 0) (= |c_ULTIMATE.start_main_~data~0#1| 1) (= |c_ULTIMATE.start_dll_circular_prepend_~head#1.base| |c_ULTIMATE.start_main_~#s~0#1.base|) (or (exists ((v_DerPreprocessor_8 (Array Int Int))) (let ((.cse5 (select |c_#memory_$Pointer$#1.base| .cse3))) (= (select (store (store |c_#memory_$Pointer$#1.base| .cse3 v_DerPreprocessor_8) .cse0 (store .cse5 4 .cse3)) .cse3) .cse5))) .cse4) (exists ((|v_#valid_BEFORE_CALL_6| (Array Int Int))) (and (= (select |v_#valid_BEFORE_CALL_6| .cse3) 1) (= |c_#valid| (let ((.cse6 (@diff |v_#valid_BEFORE_CALL_6| |c_#valid|))) (store |v_#valid_BEFORE_CALL_6| .cse6 (select |c_#valid| .cse6)))) (= (select |v_#valid_BEFORE_CALL_6| .cse0) 0))) (= |c_ULTIMATE.start_dll_circular_prepend_~head#1.offset| 0))))) is different from true [2023-11-29 02:07:49,050 INFO L349 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2023-11-29 02:07:49,051 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 210 treesize of output 129 [2023-11-29 02:07:49,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 02:07:49,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 02:07:49,063 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 27 [2023-11-29 02:07:49,071 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 27 treesize of output 23 [2023-11-29 02:07:49,078 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 44 treesize of output 38 [2023-11-29 02:07:49,115 WARN L854 $PredicateComparison]: unable to prove that (and (= |c_#memory_int#1| |c_old(#memory_int#1)|) (= |c_#valid| |c_old(#valid)|) (exists ((|v_#valid_BEFORE_CALL_7| (Array Int Int)) (|v_ULTIMATE.start_dll_circular_prepend_~head#1.base_BEFORE_CALL_4| Int) (|v_#valid_BEFORE_CALL_6| (Array Int Int)) (v_arrayElimCell_48 Int)) (let ((.cse0 (select (select |c_#memory_$Pointer$#2.base| |v_ULTIMATE.start_dll_circular_prepend_~head#1.base_BEFORE_CALL_4|) 0))) (and (= (select (select |c_#memory_$Pointer$#2.offset| |v_ULTIMATE.start_dll_circular_prepend_~head#1.base_BEFORE_CALL_4|) 0) 0) (= 1 (select |v_#valid_BEFORE_CALL_7| .cse0)) (= (select |v_#valid_BEFORE_CALL_6| v_arrayElimCell_48) 1) (= (select |v_#valid_BEFORE_CALL_6| .cse0) 0) (= |v_#valid_BEFORE_CALL_7| (let ((.cse1 (@diff |v_#valid_BEFORE_CALL_6| |v_#valid_BEFORE_CALL_7|))) (store |v_#valid_BEFORE_CALL_6| .cse1 (select |v_#valid_BEFORE_CALL_7| .cse1))))))) (= |c_#memory_$Pointer$#1.base| |c_old(#memory_$Pointer$#1.base)|)) is different from false [2023-11-29 02:07:49,117 WARN L876 $PredicateComparison]: unable to prove that (and (= |c_#memory_int#1| |c_old(#memory_int#1)|) (= |c_#valid| |c_old(#valid)|) (exists ((|v_#valid_BEFORE_CALL_7| (Array Int Int)) (|v_ULTIMATE.start_dll_circular_prepend_~head#1.base_BEFORE_CALL_4| Int) (|v_#valid_BEFORE_CALL_6| (Array Int Int)) (v_arrayElimCell_48 Int)) (let ((.cse0 (select (select |c_#memory_$Pointer$#2.base| |v_ULTIMATE.start_dll_circular_prepend_~head#1.base_BEFORE_CALL_4|) 0))) (and (= (select (select |c_#memory_$Pointer$#2.offset| |v_ULTIMATE.start_dll_circular_prepend_~head#1.base_BEFORE_CALL_4|) 0) 0) (= 1 (select |v_#valid_BEFORE_CALL_7| .cse0)) (= (select |v_#valid_BEFORE_CALL_6| v_arrayElimCell_48) 1) (= (select |v_#valid_BEFORE_CALL_6| .cse0) 0) (= |v_#valid_BEFORE_CALL_7| (let ((.cse1 (@diff |v_#valid_BEFORE_CALL_6| |v_#valid_BEFORE_CALL_7|))) (store |v_#valid_BEFORE_CALL_6| .cse1 (select |v_#valid_BEFORE_CALL_7| .cse1))))))) (= |c_#memory_$Pointer$#1.base| |c_old(#memory_$Pointer$#1.base)|)) is different from true [2023-11-29 02:07:49,149 WARN L854 $PredicateComparison]: unable to prove that (and (= |c_#memory_int#1| |c_old(#memory_int#1)|) (= (select |c_old(#valid)| |c_node_create_~temp~0#1.base|) 0) (= |c_#memory_$Pointer$#1.base| |c_old(#memory_$Pointer$#1.base)|) (exists ((|v_#valid_BEFORE_CALL_7| (Array Int Int)) (|v_#valid_BEFORE_CALL_6| (Array Int Int)) (|v_ULTIMATE.start_dll_circular_prepend_~head#1.base_BEFORE_CALL_4| Int) (v_arrayElimCell_48 Int)) (let ((.cse0 (select (select |c_#memory_$Pointer$#2.base| |v_ULTIMATE.start_dll_circular_prepend_~head#1.base_BEFORE_CALL_4|) 0))) (and (= (select (select |c_#memory_$Pointer$#2.offset| |v_ULTIMATE.start_dll_circular_prepend_~head#1.base_BEFORE_CALL_4|) 0) 0) (= 1 (select |v_#valid_BEFORE_CALL_7| .cse0)) (= (select |v_#valid_BEFORE_CALL_6| v_arrayElimCell_48) 1) (= (select |v_#valid_BEFORE_CALL_6| .cse0) 0) (= |v_#valid_BEFORE_CALL_7| (let ((.cse1 (@diff |v_#valid_BEFORE_CALL_6| |v_#valid_BEFORE_CALL_7|))) (store |v_#valid_BEFORE_CALL_6| .cse1 (select |v_#valid_BEFORE_CALL_7| .cse1)))))))) is different from false [2023-11-29 02:07:49,151 WARN L876 $PredicateComparison]: unable to prove that (and (= |c_#memory_int#1| |c_old(#memory_int#1)|) (= (select |c_old(#valid)| |c_node_create_~temp~0#1.base|) 0) (= |c_#memory_$Pointer$#1.base| |c_old(#memory_$Pointer$#1.base)|) (exists ((|v_#valid_BEFORE_CALL_7| (Array Int Int)) (|v_#valid_BEFORE_CALL_6| (Array Int Int)) (|v_ULTIMATE.start_dll_circular_prepend_~head#1.base_BEFORE_CALL_4| Int) (v_arrayElimCell_48 Int)) (let ((.cse0 (select (select |c_#memory_$Pointer$#2.base| |v_ULTIMATE.start_dll_circular_prepend_~head#1.base_BEFORE_CALL_4|) 0))) (and (= (select (select |c_#memory_$Pointer$#2.offset| |v_ULTIMATE.start_dll_circular_prepend_~head#1.base_BEFORE_CALL_4|) 0) 0) (= 1 (select |v_#valid_BEFORE_CALL_7| .cse0)) (= (select |v_#valid_BEFORE_CALL_6| v_arrayElimCell_48) 1) (= (select |v_#valid_BEFORE_CALL_6| .cse0) 0) (= |v_#valid_BEFORE_CALL_7| (let ((.cse1 (@diff |v_#valid_BEFORE_CALL_6| |v_#valid_BEFORE_CALL_7|))) (store |v_#valid_BEFORE_CALL_6| .cse1 (select |v_#valid_BEFORE_CALL_7| .cse1)))))))) is different from true [2023-11-29 02:07:49,188 WARN L854 $PredicateComparison]: unable to prove that (and (= (select |c_old(#valid)| |c_node_create_#res#1.base|) 0) (= |c_#memory_int#1| (store |c_old(#memory_int#1)| |c_node_create_#res#1.base| (select |c_#memory_int#1| |c_node_create_#res#1.base|))) (= |c_#memory_$Pointer$#1.base| (store |c_old(#memory_$Pointer$#1.base)| |c_node_create_#res#1.base| (select |c_#memory_$Pointer$#1.base| |c_node_create_#res#1.base|))) (exists ((|v_#valid_BEFORE_CALL_7| (Array Int Int)) (|v_#valid_BEFORE_CALL_6| (Array Int Int)) (|v_ULTIMATE.start_dll_circular_prepend_~head#1.base_BEFORE_CALL_4| Int) (v_arrayElimCell_48 Int)) (let ((.cse0 (select (select |c_#memory_$Pointer$#2.base| |v_ULTIMATE.start_dll_circular_prepend_~head#1.base_BEFORE_CALL_4|) 0))) (and (= (select (select |c_#memory_$Pointer$#2.offset| |v_ULTIMATE.start_dll_circular_prepend_~head#1.base_BEFORE_CALL_4|) 0) 0) (= 1 (select |v_#valid_BEFORE_CALL_7| .cse0)) (= (select |v_#valid_BEFORE_CALL_6| v_arrayElimCell_48) 1) (= (select |v_#valid_BEFORE_CALL_6| .cse0) 0) (= |v_#valid_BEFORE_CALL_7| (let ((.cse1 (@diff |v_#valid_BEFORE_CALL_6| |v_#valid_BEFORE_CALL_7|))) (store |v_#valid_BEFORE_CALL_6| .cse1 (select |v_#valid_BEFORE_CALL_7| .cse1)))))))) is different from false [2023-11-29 02:07:49,191 WARN L876 $PredicateComparison]: unable to prove that (and (= (select |c_old(#valid)| |c_node_create_#res#1.base|) 0) (= |c_#memory_int#1| (store |c_old(#memory_int#1)| |c_node_create_#res#1.base| (select |c_#memory_int#1| |c_node_create_#res#1.base|))) (= |c_#memory_$Pointer$#1.base| (store |c_old(#memory_$Pointer$#1.base)| |c_node_create_#res#1.base| (select |c_#memory_$Pointer$#1.base| |c_node_create_#res#1.base|))) (exists ((|v_#valid_BEFORE_CALL_7| (Array Int Int)) (|v_#valid_BEFORE_CALL_6| (Array Int Int)) (|v_ULTIMATE.start_dll_circular_prepend_~head#1.base_BEFORE_CALL_4| Int) (v_arrayElimCell_48 Int)) (let ((.cse0 (select (select |c_#memory_$Pointer$#2.base| |v_ULTIMATE.start_dll_circular_prepend_~head#1.base_BEFORE_CALL_4|) 0))) (and (= (select (select |c_#memory_$Pointer$#2.offset| |v_ULTIMATE.start_dll_circular_prepend_~head#1.base_BEFORE_CALL_4|) 0) 0) (= 1 (select |v_#valid_BEFORE_CALL_7| .cse0)) (= (select |v_#valid_BEFORE_CALL_6| v_arrayElimCell_48) 1) (= (select |v_#valid_BEFORE_CALL_6| .cse0) 0) (= |v_#valid_BEFORE_CALL_7| (let ((.cse1 (@diff |v_#valid_BEFORE_CALL_6| |v_#valid_BEFORE_CALL_7|))) (store |v_#valid_BEFORE_CALL_6| .cse1 (select |v_#valid_BEFORE_CALL_7| .cse1)))))))) is different from true [2023-11-29 02:07:49,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 02:07:49,247 INFO L349 Elim1Store]: treesize reduction 29, result has 14.7 percent of original size [2023-11-29 02:07:49,248 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 218 treesize of output 143 [2023-11-29 02:07:49,299 INFO L349 Elim1Store]: treesize reduction 48, result has 56.8 percent of original size [2023-11-29 02:07:49,300 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 3 case distinctions, treesize of input 158 treesize of output 174 [2023-11-29 02:07:49,372 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (select (select |c_#memory_$Pointer$#2.base| |c_ULTIMATE.start_main_~#s~0#1.base|) 0))) (let ((.cse1 (select (select |c_#memory_$Pointer$#1.base| .cse0) 4))) (and (= (select (select |c_#memory_$Pointer$#2.offset| |c_ULTIMATE.start_main_~#s~0#1.base|) 0) 0) (or (= (select (select |c_#memory_int#1| .cse0) 8) 1) (= .cse0 |c_ULTIMATE.start_dll_circular_prepend_#t~ret9#1.base|) (= .cse1 .cse0)) (= |c_ULTIMATE.start_main_~#s~0#1.offset| 0) (exists ((|v_#valid_BEFORE_CALL_9| (Array Int Int)) (|v_old(#valid)_AFTER_CALL_9| (Array Int Int))) (and (= (let ((.cse2 (@diff |v_#valid_BEFORE_CALL_9| |v_old(#valid)_AFTER_CALL_9|))) (store |v_#valid_BEFORE_CALL_9| .cse2 (select |v_old(#valid)_AFTER_CALL_9| .cse2))) |v_old(#valid)_AFTER_CALL_9|) (= (select |v_old(#valid)_AFTER_CALL_9| .cse0) 1) (= 1 (select |v_#valid_BEFORE_CALL_9| .cse1)) (= (select |v_old(#valid)_AFTER_CALL_9| |c_ULTIMATE.start_dll_circular_prepend_#t~ret9#1.base|) 0) (= 0 (select |v_#valid_BEFORE_CALL_9| .cse0)))) (= |c_ULTIMATE.start_main_~data~0#1| 1) (= |c_ULTIMATE.start_dll_circular_prepend_~head#1.base| |c_ULTIMATE.start_main_~#s~0#1.base|) (exists ((|v_#valid_BEFORE_CALL_7| (Array Int Int)) (|v_#valid_BEFORE_CALL_6| (Array Int Int)) (|v_ULTIMATE.start_dll_circular_prepend_~head#1.base_BEFORE_CALL_4| Int) (v_arrayElimCell_48 Int)) (let ((.cse3 (select (select |c_#memory_$Pointer$#2.base| |v_ULTIMATE.start_dll_circular_prepend_~head#1.base_BEFORE_CALL_4|) 0))) (and (= (select (select |c_#memory_$Pointer$#2.offset| |v_ULTIMATE.start_dll_circular_prepend_~head#1.base_BEFORE_CALL_4|) 0) 0) (= 1 (select |v_#valid_BEFORE_CALL_7| .cse3)) (= (select |v_#valid_BEFORE_CALL_6| v_arrayElimCell_48) 1) (= (select |v_#valid_BEFORE_CALL_6| .cse3) 0) (= |v_#valid_BEFORE_CALL_7| (let ((.cse4 (@diff |v_#valid_BEFORE_CALL_6| |v_#valid_BEFORE_CALL_7|))) (store |v_#valid_BEFORE_CALL_6| .cse4 (select |v_#valid_BEFORE_CALL_7| .cse4))))))) (= |c_ULTIMATE.start_dll_circular_prepend_~head#1.offset| 0)))) is different from false [2023-11-29 02:07:49,375 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse0 (select (select |c_#memory_$Pointer$#2.base| |c_ULTIMATE.start_main_~#s~0#1.base|) 0))) (let ((.cse1 (select (select |c_#memory_$Pointer$#1.base| .cse0) 4))) (and (= (select (select |c_#memory_$Pointer$#2.offset| |c_ULTIMATE.start_main_~#s~0#1.base|) 0) 0) (or (= (select (select |c_#memory_int#1| .cse0) 8) 1) (= .cse0 |c_ULTIMATE.start_dll_circular_prepend_#t~ret9#1.base|) (= .cse1 .cse0)) (= |c_ULTIMATE.start_main_~#s~0#1.offset| 0) (exists ((|v_#valid_BEFORE_CALL_9| (Array Int Int)) (|v_old(#valid)_AFTER_CALL_9| (Array Int Int))) (and (= (let ((.cse2 (@diff |v_#valid_BEFORE_CALL_9| |v_old(#valid)_AFTER_CALL_9|))) (store |v_#valid_BEFORE_CALL_9| .cse2 (select |v_old(#valid)_AFTER_CALL_9| .cse2))) |v_old(#valid)_AFTER_CALL_9|) (= (select |v_old(#valid)_AFTER_CALL_9| .cse0) 1) (= 1 (select |v_#valid_BEFORE_CALL_9| .cse1)) (= (select |v_old(#valid)_AFTER_CALL_9| |c_ULTIMATE.start_dll_circular_prepend_#t~ret9#1.base|) 0) (= 0 (select |v_#valid_BEFORE_CALL_9| .cse0)))) (= |c_ULTIMATE.start_main_~data~0#1| 1) (= |c_ULTIMATE.start_dll_circular_prepend_~head#1.base| |c_ULTIMATE.start_main_~#s~0#1.base|) (exists ((|v_#valid_BEFORE_CALL_7| (Array Int Int)) (|v_#valid_BEFORE_CALL_6| (Array Int Int)) (|v_ULTIMATE.start_dll_circular_prepend_~head#1.base_BEFORE_CALL_4| Int) (v_arrayElimCell_48 Int)) (let ((.cse3 (select (select |c_#memory_$Pointer$#2.base| |v_ULTIMATE.start_dll_circular_prepend_~head#1.base_BEFORE_CALL_4|) 0))) (and (= (select (select |c_#memory_$Pointer$#2.offset| |v_ULTIMATE.start_dll_circular_prepend_~head#1.base_BEFORE_CALL_4|) 0) 0) (= 1 (select |v_#valid_BEFORE_CALL_7| .cse3)) (= (select |v_#valid_BEFORE_CALL_6| v_arrayElimCell_48) 1) (= (select |v_#valid_BEFORE_CALL_6| .cse3) 0) (= |v_#valid_BEFORE_CALL_7| (let ((.cse4 (@diff |v_#valid_BEFORE_CALL_6| |v_#valid_BEFORE_CALL_7|))) (store |v_#valid_BEFORE_CALL_6| .cse4 (select |v_#valid_BEFORE_CALL_7| .cse4))))))) (= |c_ULTIMATE.start_dll_circular_prepend_~head#1.offset| 0)))) is different from true [2023-11-29 02:07:49,468 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse1 (select (select |c_#memory_$Pointer$#2.base| |c_ULTIMATE.start_main_~#s~0#1.base|) 0))) (let ((.cse2 (select (select |c_#memory_$Pointer$#1.base| .cse1) 4))) (and (= (select (select |c_#memory_$Pointer$#2.offset| |c_ULTIMATE.start_main_~#s~0#1.base|) 0) 0) (= |c_ULTIMATE.start_main_~#s~0#1.offset| 0) (exists ((|v_#valid_BEFORE_CALL_9| (Array Int Int)) (|v_old(#valid)_AFTER_CALL_9| (Array Int Int))) (and (= (select |v_old(#valid)_AFTER_CALL_9| |c_ULTIMATE.start_dll_circular_prepend_~new_head~1#1.base|) 0) (= (let ((.cse0 (@diff |v_#valid_BEFORE_CALL_9| |v_old(#valid)_AFTER_CALL_9|))) (store |v_#valid_BEFORE_CALL_9| .cse0 (select |v_old(#valid)_AFTER_CALL_9| .cse0))) |v_old(#valid)_AFTER_CALL_9|) (= (select |v_old(#valid)_AFTER_CALL_9| .cse1) 1) (= 1 (select |v_#valid_BEFORE_CALL_9| .cse2)) (= 0 (select |v_#valid_BEFORE_CALL_9| .cse1)))) (= |c_ULTIMATE.start_main_~data~0#1| 1) (or (= (select (select |c_#memory_int#1| .cse1) 8) 1) (= .cse1 |c_ULTIMATE.start_dll_circular_prepend_~new_head~1#1.base|) (= .cse2 .cse1)) (= |c_ULTIMATE.start_dll_circular_prepend_~head#1.base| |c_ULTIMATE.start_main_~#s~0#1.base|) (exists ((|v_#valid_BEFORE_CALL_7| (Array Int Int)) (|v_#valid_BEFORE_CALL_6| (Array Int Int)) (|v_ULTIMATE.start_dll_circular_prepend_~head#1.base_BEFORE_CALL_4| Int) (v_arrayElimCell_48 Int)) (let ((.cse3 (select (select |c_#memory_$Pointer$#2.base| |v_ULTIMATE.start_dll_circular_prepend_~head#1.base_BEFORE_CALL_4|) 0))) (and (= (select (select |c_#memory_$Pointer$#2.offset| |v_ULTIMATE.start_dll_circular_prepend_~head#1.base_BEFORE_CALL_4|) 0) 0) (= 1 (select |v_#valid_BEFORE_CALL_7| .cse3)) (= (select |v_#valid_BEFORE_CALL_6| v_arrayElimCell_48) 1) (= (select |v_#valid_BEFORE_CALL_6| .cse3) 0) (= |v_#valid_BEFORE_CALL_7| (let ((.cse4 (@diff |v_#valid_BEFORE_CALL_6| |v_#valid_BEFORE_CALL_7|))) (store |v_#valid_BEFORE_CALL_6| .cse4 (select |v_#valid_BEFORE_CALL_7| .cse4))))))) (= |c_ULTIMATE.start_dll_circular_prepend_~head#1.offset| 0)))) is different from false [2023-11-29 02:07:49,473 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse1 (select (select |c_#memory_$Pointer$#2.base| |c_ULTIMATE.start_main_~#s~0#1.base|) 0))) (let ((.cse2 (select (select |c_#memory_$Pointer$#1.base| .cse1) 4))) (and (= (select (select |c_#memory_$Pointer$#2.offset| |c_ULTIMATE.start_main_~#s~0#1.base|) 0) 0) (= |c_ULTIMATE.start_main_~#s~0#1.offset| 0) (exists ((|v_#valid_BEFORE_CALL_9| (Array Int Int)) (|v_old(#valid)_AFTER_CALL_9| (Array Int Int))) (and (= (select |v_old(#valid)_AFTER_CALL_9| |c_ULTIMATE.start_dll_circular_prepend_~new_head~1#1.base|) 0) (= (let ((.cse0 (@diff |v_#valid_BEFORE_CALL_9| |v_old(#valid)_AFTER_CALL_9|))) (store |v_#valid_BEFORE_CALL_9| .cse0 (select |v_old(#valid)_AFTER_CALL_9| .cse0))) |v_old(#valid)_AFTER_CALL_9|) (= (select |v_old(#valid)_AFTER_CALL_9| .cse1) 1) (= 1 (select |v_#valid_BEFORE_CALL_9| .cse2)) (= 0 (select |v_#valid_BEFORE_CALL_9| .cse1)))) (= |c_ULTIMATE.start_main_~data~0#1| 1) (or (= (select (select |c_#memory_int#1| .cse1) 8) 1) (= .cse1 |c_ULTIMATE.start_dll_circular_prepend_~new_head~1#1.base|) (= .cse2 .cse1)) (= |c_ULTIMATE.start_dll_circular_prepend_~head#1.base| |c_ULTIMATE.start_main_~#s~0#1.base|) (exists ((|v_#valid_BEFORE_CALL_7| (Array Int Int)) (|v_#valid_BEFORE_CALL_6| (Array Int Int)) (|v_ULTIMATE.start_dll_circular_prepend_~head#1.base_BEFORE_CALL_4| Int) (v_arrayElimCell_48 Int)) (let ((.cse3 (select (select |c_#memory_$Pointer$#2.base| |v_ULTIMATE.start_dll_circular_prepend_~head#1.base_BEFORE_CALL_4|) 0))) (and (= (select (select |c_#memory_$Pointer$#2.offset| |v_ULTIMATE.start_dll_circular_prepend_~head#1.base_BEFORE_CALL_4|) 0) 0) (= 1 (select |v_#valid_BEFORE_CALL_7| .cse3)) (= (select |v_#valid_BEFORE_CALL_6| v_arrayElimCell_48) 1) (= (select |v_#valid_BEFORE_CALL_6| .cse3) 0) (= |v_#valid_BEFORE_CALL_7| (let ((.cse4 (@diff |v_#valid_BEFORE_CALL_6| |v_#valid_BEFORE_CALL_7|))) (store |v_#valid_BEFORE_CALL_6| .cse4 (select |v_#valid_BEFORE_CALL_7| .cse4))))))) (= |c_ULTIMATE.start_dll_circular_prepend_~head#1.offset| 0)))) is different from true [2023-11-29 02:07:49,580 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:07:49,585 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-29 02:07:49,603 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-29 02:07:49,629 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-29 02:07:49,645 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:07:49,645 WARN L200 Elim1Store]: Array PQE input equivalent to false [2023-11-29 02:07:49,675 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-29 02:07:49,689 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:07:49,693 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-29 02:07:49,718 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-29 02:07:49,733 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:07:49,734 WARN L200 Elim1Store]: Array PQE input equivalent to false [2023-11-29 02:07:49,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 02:07:49,793 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 0 case distinctions, treesize of input 65 treesize of output 63 [2023-11-29 02:07:49,814 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 381 treesize of output 323 [2023-11-29 02:07:50,045 INFO L349 Elim1Store]: treesize reduction 16, result has 55.6 percent of original size [2023-11-29 02:07:50,045 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 472 treesize of output 332 [2023-11-29 02:07:50,073 INFO L349 Elim1Store]: treesize reduction 88, result has 1.1 percent of original size [2023-11-29 02:07:50,073 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 278 treesize of output 251 [2023-11-29 02:07:50,115 INFO L349 Elim1Store]: treesize reduction 134, result has 0.7 percent of original size [2023-11-29 02:07:50,116 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 7 case distinctions, treesize of input 1342 treesize of output 692 [2023-11-29 02:07:50,148 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 497 treesize of output 465 [2023-11-29 02:07:50,156 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 0 case distinctions, treesize of input 518 treesize of output 471 [2023-11-29 02:07:50,178 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 1 [2023-11-29 02:07:50,183 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 69 treesize of output 23 [2023-11-29 02:07:50,227 INFO L349 Elim1Store]: treesize reduction 25, result has 30.6 percent of original size [2023-11-29 02:07:50,227 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 30 treesize of output 18 [2023-11-29 02:07:50,370 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 383 treesize of output 331 [2023-11-29 02:07:50,404 INFO L349 Elim1Store]: treesize reduction 35, result has 2.8 percent of original size [2023-11-29 02:07:50,405 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 483 treesize of output 344 [2023-11-29 02:07:50,421 INFO L349 Elim1Store]: treesize reduction 25, result has 30.6 percent of original size [2023-11-29 02:07:50,422 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 30 treesize of output 18 [2023-11-29 02:07:50,429 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 02:07:50,433 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-29 02:07:50,485 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (select (select |c_#memory_$Pointer$#2.offset| |c_ULTIMATE.start_main_~#s~0#1.base|) 0)) (.cse1 (select (select |c_#memory_$Pointer$#2.base| |c_ULTIMATE.start_main_~#s~0#1.base|) 0))) (let ((.cse12 (select |c_#memory_$Pointer$#1.base| .cse1)) (.cse7 (+ .cse0 4))) (let ((.cse4 (select .cse12 .cse7)) (.cse2 (select .cse12 .cse0))) (and (exists ((v_arrayElimArr_10 (Array Int Int)) (v_ArrVal_980 Int) (v_DerPreprocessor_11 (Array Int Int)) (v_DerPreprocessor_12 (Array Int Int))) (and (= (select v_arrayElimArr_10 .cse0) 0) (= (let ((.cse6 (select (store (store (store |c_#memory_$Pointer$#1.offset| .cse2 v_DerPreprocessor_11) .cse4 v_DerPreprocessor_12) .cse1 v_arrayElimArr_10) .cse2))) (let ((.cse5 (select .cse6 4))) (store (select (let ((.cse3 (store .cse6 4 v_ArrVal_980))) (store (store (store |c_#memory_$Pointer$#1.offset| .cse1 v_arrayElimArr_10) .cse2 .cse3) .cse4 (store (select (store (store (store |c_#memory_$Pointer$#1.offset| .cse4 v_DerPreprocessor_12) .cse1 v_arrayElimArr_10) .cse2 .cse3) .cse4) .cse5 .cse0))) .cse1) .cse7 .cse5))) (select |c_#memory_$Pointer$#1.offset| .cse1)))) (= |c_ULTIMATE.start_main_~#s~0#1.offset| 0) (not (= .cse2 .cse1)) (exists ((|v_#valid_BEFORE_CALL_9| (Array Int Int)) (|v_old(#valid)_AFTER_CALL_9| (Array Int Int))) (and (= (select |v_old(#valid)_AFTER_CALL_9| .cse2) 1) (= (select |v_#valid_BEFORE_CALL_9| .cse4) 1) (= (let ((.cse8 (@diff |v_#valid_BEFORE_CALL_9| |v_old(#valid)_AFTER_CALL_9|))) (store |v_#valid_BEFORE_CALL_9| .cse8 (select |v_old(#valid)_AFTER_CALL_9| .cse8))) |v_old(#valid)_AFTER_CALL_9|) (= (select |v_#valid_BEFORE_CALL_9| .cse2) 0) (= (select |v_old(#valid)_AFTER_CALL_9| .cse1) 0))) (not (= .cse4 .cse1)) (= |c_ULTIMATE.start_main_~data~0#1| 1) (or (exists ((|v_#valid_BEFORE_CALL_7| (Array Int Int)) (|v_#valid_BEFORE_CALL_6| (Array Int Int)) (v_arrayElimCell_48 Int)) (and (= (select |v_#valid_BEFORE_CALL_6| .cse2) 0) (= (select |v_#valid_BEFORE_CALL_7| .cse2) 1) (= (select |v_#valid_BEFORE_CALL_6| v_arrayElimCell_48) 1) (= |v_#valid_BEFORE_CALL_7| (let ((.cse9 (@diff |v_#valid_BEFORE_CALL_6| |v_#valid_BEFORE_CALL_7|))) (store |v_#valid_BEFORE_CALL_6| .cse9 (select |v_#valid_BEFORE_CALL_7| .cse9)))))) (exists ((|v_ULTIMATE.start_dll_circular_prepend_~head#1.base_BEFORE_CALL_4| Int)) (and (= (select (select |c_#memory_$Pointer$#2.offset| |v_ULTIMATE.start_dll_circular_prepend_~head#1.base_BEFORE_CALL_4|) 0) 0) (exists ((|v_#valid_BEFORE_CALL_7| (Array Int Int)) (|v_#valid_BEFORE_CALL_6| (Array Int Int)) (v_arrayElimCell_48 Int)) (let ((.cse10 (select (select |c_#memory_$Pointer$#2.base| |v_ULTIMATE.start_dll_circular_prepend_~head#1.base_BEFORE_CALL_4|) 0))) (and (= 1 (select |v_#valid_BEFORE_CALL_7| .cse10)) (= (select |v_#valid_BEFORE_CALL_6| v_arrayElimCell_48) 1) (= (select |v_#valid_BEFORE_CALL_6| .cse10) 0) (= |v_#valid_BEFORE_CALL_7| (let ((.cse11 (@diff |v_#valid_BEFORE_CALL_6| |v_#valid_BEFORE_CALL_7|))) (store |v_#valid_BEFORE_CALL_6| .cse11 (select |v_#valid_BEFORE_CALL_7| .cse11))))))) (not (= |v_ULTIMATE.start_dll_circular_prepend_~head#1.base_BEFORE_CALL_4| |c_ULTIMATE.start_main_~#s~0#1.base|))))) (not (= .cse2 .cse4)) (= (select (select |c_#memory_int#1| .cse2) 8) 1))))) is different from false [2023-11-29 02:07:50,490 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse0 (select (select |c_#memory_$Pointer$#2.offset| |c_ULTIMATE.start_main_~#s~0#1.base|) 0)) (.cse1 (select (select |c_#memory_$Pointer$#2.base| |c_ULTIMATE.start_main_~#s~0#1.base|) 0))) (let ((.cse12 (select |c_#memory_$Pointer$#1.base| .cse1)) (.cse7 (+ .cse0 4))) (let ((.cse4 (select .cse12 .cse7)) (.cse2 (select .cse12 .cse0))) (and (exists ((v_arrayElimArr_10 (Array Int Int)) (v_ArrVal_980 Int) (v_DerPreprocessor_11 (Array Int Int)) (v_DerPreprocessor_12 (Array Int Int))) (and (= (select v_arrayElimArr_10 .cse0) 0) (= (let ((.cse6 (select (store (store (store |c_#memory_$Pointer$#1.offset| .cse2 v_DerPreprocessor_11) .cse4 v_DerPreprocessor_12) .cse1 v_arrayElimArr_10) .cse2))) (let ((.cse5 (select .cse6 4))) (store (select (let ((.cse3 (store .cse6 4 v_ArrVal_980))) (store (store (store |c_#memory_$Pointer$#1.offset| .cse1 v_arrayElimArr_10) .cse2 .cse3) .cse4 (store (select (store (store (store |c_#memory_$Pointer$#1.offset| .cse4 v_DerPreprocessor_12) .cse1 v_arrayElimArr_10) .cse2 .cse3) .cse4) .cse5 .cse0))) .cse1) .cse7 .cse5))) (select |c_#memory_$Pointer$#1.offset| .cse1)))) (= |c_ULTIMATE.start_main_~#s~0#1.offset| 0) (not (= .cse2 .cse1)) (exists ((|v_#valid_BEFORE_CALL_9| (Array Int Int)) (|v_old(#valid)_AFTER_CALL_9| (Array Int Int))) (and (= (select |v_old(#valid)_AFTER_CALL_9| .cse2) 1) (= (select |v_#valid_BEFORE_CALL_9| .cse4) 1) (= (let ((.cse8 (@diff |v_#valid_BEFORE_CALL_9| |v_old(#valid)_AFTER_CALL_9|))) (store |v_#valid_BEFORE_CALL_9| .cse8 (select |v_old(#valid)_AFTER_CALL_9| .cse8))) |v_old(#valid)_AFTER_CALL_9|) (= (select |v_#valid_BEFORE_CALL_9| .cse2) 0) (= (select |v_old(#valid)_AFTER_CALL_9| .cse1) 0))) (not (= .cse4 .cse1)) (= |c_ULTIMATE.start_main_~data~0#1| 1) (or (exists ((|v_#valid_BEFORE_CALL_7| (Array Int Int)) (|v_#valid_BEFORE_CALL_6| (Array Int Int)) (v_arrayElimCell_48 Int)) (and (= (select |v_#valid_BEFORE_CALL_6| .cse2) 0) (= (select |v_#valid_BEFORE_CALL_7| .cse2) 1) (= (select |v_#valid_BEFORE_CALL_6| v_arrayElimCell_48) 1) (= |v_#valid_BEFORE_CALL_7| (let ((.cse9 (@diff |v_#valid_BEFORE_CALL_6| |v_#valid_BEFORE_CALL_7|))) (store |v_#valid_BEFORE_CALL_6| .cse9 (select |v_#valid_BEFORE_CALL_7| .cse9)))))) (exists ((|v_ULTIMATE.start_dll_circular_prepend_~head#1.base_BEFORE_CALL_4| Int)) (and (= (select (select |c_#memory_$Pointer$#2.offset| |v_ULTIMATE.start_dll_circular_prepend_~head#1.base_BEFORE_CALL_4|) 0) 0) (exists ((|v_#valid_BEFORE_CALL_7| (Array Int Int)) (|v_#valid_BEFORE_CALL_6| (Array Int Int)) (v_arrayElimCell_48 Int)) (let ((.cse10 (select (select |c_#memory_$Pointer$#2.base| |v_ULTIMATE.start_dll_circular_prepend_~head#1.base_BEFORE_CALL_4|) 0))) (and (= 1 (select |v_#valid_BEFORE_CALL_7| .cse10)) (= (select |v_#valid_BEFORE_CALL_6| v_arrayElimCell_48) 1) (= (select |v_#valid_BEFORE_CALL_6| .cse10) 0) (= |v_#valid_BEFORE_CALL_7| (let ((.cse11 (@diff |v_#valid_BEFORE_CALL_6| |v_#valid_BEFORE_CALL_7|))) (store |v_#valid_BEFORE_CALL_6| .cse11 (select |v_#valid_BEFORE_CALL_7| .cse11))))))) (not (= |v_ULTIMATE.start_dll_circular_prepend_~head#1.base_BEFORE_CALL_4| |c_ULTIMATE.start_main_~#s~0#1.base|))))) (not (= .cse2 .cse4)) (= (select (select |c_#memory_int#1| .cse2) 8) 1))))) is different from true [2023-11-29 02:07:50,545 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:07:50,546 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 608 treesize of output 452 [2023-11-29 02:07:50,573 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:07:50,574 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 452 treesize of output 332 [2023-11-29 02:07:50,783 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse5 (+ |c_ULTIMATE.start_main_~ptr~0#1.offset| 4)) (.cse7 (select |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~ptr~0#1.base|))) (let ((.cse0 (select .cse7 |c_ULTIMATE.start_main_~ptr~0#1.offset|)) (.cse1 (select .cse7 .cse5))) (and (= (select (select |c_#memory_int#1| .cse0) 8) 1) (not (= .cse0 .cse1)) (exists ((v_arrayElimArr_10 (Array Int Int)) (v_ArrVal_980 Int) (v_DerPreprocessor_11 (Array Int Int)) (v_DerPreprocessor_12 (Array Int Int))) (and (= (select v_arrayElimArr_10 |c_ULTIMATE.start_main_~ptr~0#1.offset|) 0) (= (select |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_main_~ptr~0#1.base|) (let ((.cse4 (select (store (store (store |c_#memory_$Pointer$#1.offset| .cse0 v_DerPreprocessor_11) .cse1 v_DerPreprocessor_12) |c_ULTIMATE.start_main_~ptr~0#1.base| v_arrayElimArr_10) .cse0))) (let ((.cse3 (select .cse4 4))) (store (select (let ((.cse2 (store .cse4 4 v_ArrVal_980))) (store (store (store |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_main_~ptr~0#1.base| v_arrayElimArr_10) .cse0 .cse2) .cse1 (store (select (store (store (store |c_#memory_$Pointer$#1.offset| .cse1 v_DerPreprocessor_12) |c_ULTIMATE.start_main_~ptr~0#1.base| v_arrayElimArr_10) .cse0 .cse2) .cse1) .cse3 |c_ULTIMATE.start_main_~ptr~0#1.offset|))) |c_ULTIMATE.start_main_~ptr~0#1.base|) .cse5 .cse3)))))) (not (= |c_ULTIMATE.start_main_~ptr~0#1.base| .cse0)) (not (= |c_ULTIMATE.start_main_~ptr~0#1.base| .cse1)) (= |c_ULTIMATE.start_main_~data~0#1| 1) (exists ((|v_#valid_BEFORE_CALL_9| (Array Int Int)) (|v_old(#valid)_AFTER_CALL_9| (Array Int Int))) (and (= 0 (select |v_old(#valid)_AFTER_CALL_9| |c_ULTIMATE.start_main_~ptr~0#1.base|)) (= (select |v_old(#valid)_AFTER_CALL_9| .cse0) 1) (= (let ((.cse6 (@diff |v_#valid_BEFORE_CALL_9| |v_old(#valid)_AFTER_CALL_9|))) (store |v_#valid_BEFORE_CALL_9| .cse6 (select |v_old(#valid)_AFTER_CALL_9| .cse6))) |v_old(#valid)_AFTER_CALL_9|) (= (select |v_#valid_BEFORE_CALL_9| .cse0) 0) (= (select |v_#valid_BEFORE_CALL_9| .cse1) 1)))))) is different from false [2023-11-29 02:07:50,786 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse5 (+ |c_ULTIMATE.start_main_~ptr~0#1.offset| 4)) (.cse7 (select |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~ptr~0#1.base|))) (let ((.cse0 (select .cse7 |c_ULTIMATE.start_main_~ptr~0#1.offset|)) (.cse1 (select .cse7 .cse5))) (and (= (select (select |c_#memory_int#1| .cse0) 8) 1) (not (= .cse0 .cse1)) (exists ((v_arrayElimArr_10 (Array Int Int)) (v_ArrVal_980 Int) (v_DerPreprocessor_11 (Array Int Int)) (v_DerPreprocessor_12 (Array Int Int))) (and (= (select v_arrayElimArr_10 |c_ULTIMATE.start_main_~ptr~0#1.offset|) 0) (= (select |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_main_~ptr~0#1.base|) (let ((.cse4 (select (store (store (store |c_#memory_$Pointer$#1.offset| .cse0 v_DerPreprocessor_11) .cse1 v_DerPreprocessor_12) |c_ULTIMATE.start_main_~ptr~0#1.base| v_arrayElimArr_10) .cse0))) (let ((.cse3 (select .cse4 4))) (store (select (let ((.cse2 (store .cse4 4 v_ArrVal_980))) (store (store (store |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_main_~ptr~0#1.base| v_arrayElimArr_10) .cse0 .cse2) .cse1 (store (select (store (store (store |c_#memory_$Pointer$#1.offset| .cse1 v_DerPreprocessor_12) |c_ULTIMATE.start_main_~ptr~0#1.base| v_arrayElimArr_10) .cse0 .cse2) .cse1) .cse3 |c_ULTIMATE.start_main_~ptr~0#1.offset|))) |c_ULTIMATE.start_main_~ptr~0#1.base|) .cse5 .cse3)))))) (not (= |c_ULTIMATE.start_main_~ptr~0#1.base| .cse0)) (not (= |c_ULTIMATE.start_main_~ptr~0#1.base| .cse1)) (= |c_ULTIMATE.start_main_~data~0#1| 1) (exists ((|v_#valid_BEFORE_CALL_9| (Array Int Int)) (|v_old(#valid)_AFTER_CALL_9| (Array Int Int))) (and (= 0 (select |v_old(#valid)_AFTER_CALL_9| |c_ULTIMATE.start_main_~ptr~0#1.base|)) (= (select |v_old(#valid)_AFTER_CALL_9| .cse0) 1) (= (let ((.cse6 (@diff |v_#valid_BEFORE_CALL_9| |v_old(#valid)_AFTER_CALL_9|))) (store |v_#valid_BEFORE_CALL_9| .cse6 (select |v_old(#valid)_AFTER_CALL_9| .cse6))) |v_old(#valid)_AFTER_CALL_9|) (= (select |v_#valid_BEFORE_CALL_9| .cse0) 0) (= (select |v_#valid_BEFORE_CALL_9| .cse1) 1)))))) is different from true [2023-11-29 02:07:50,811 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 251 treesize of output 127 [2023-11-29 02:07:50,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 02:07:50,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 02:07:50,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 02:07:50,822 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2023-11-29 02:07:50,853 WARN L854 $PredicateComparison]: unable to prove that (and (exists ((|v_#valid_BEFORE_CALL_9| (Array Int Int)) (|v_old(#valid)_AFTER_CALL_9| (Array Int Int)) (v_arrayElimCell_78 Int) (|v_ULTIMATE.start_main_~ptr~0#1.base_21| Int)) (and (= (select |v_old(#valid)_AFTER_CALL_9| |v_ULTIMATE.start_main_~ptr~0#1.base_21|) 0) (= (let ((.cse0 (@diff |v_#valid_BEFORE_CALL_9| |v_old(#valid)_AFTER_CALL_9|))) (store |v_#valid_BEFORE_CALL_9| .cse0 (select |v_old(#valid)_AFTER_CALL_9| .cse0))) |v_old(#valid)_AFTER_CALL_9|) (= (select |v_old(#valid)_AFTER_CALL_9| |c_ULTIMATE.start_main_~ptr~0#1.base|) 1) (= (select |v_#valid_BEFORE_CALL_9| v_arrayElimCell_78) 1) (= (select |v_#valid_BEFORE_CALL_9| |c_ULTIMATE.start_main_~ptr~0#1.base|) 0))) (= |c_ULTIMATE.start_main_~ptr~0#1.offset| 0) (= |c_ULTIMATE.start_main_~data~0#1| 1) (= (select (select |c_#memory_int#1| |c_ULTIMATE.start_main_~ptr~0#1.base|) 8) 1)) is different from false [2023-11-29 02:07:50,856 WARN L876 $PredicateComparison]: unable to prove that (and (exists ((|v_#valid_BEFORE_CALL_9| (Array Int Int)) (|v_old(#valid)_AFTER_CALL_9| (Array Int Int)) (v_arrayElimCell_78 Int) (|v_ULTIMATE.start_main_~ptr~0#1.base_21| Int)) (and (= (select |v_old(#valid)_AFTER_CALL_9| |v_ULTIMATE.start_main_~ptr~0#1.base_21|) 0) (= (let ((.cse0 (@diff |v_#valid_BEFORE_CALL_9| |v_old(#valid)_AFTER_CALL_9|))) (store |v_#valid_BEFORE_CALL_9| .cse0 (select |v_old(#valid)_AFTER_CALL_9| .cse0))) |v_old(#valid)_AFTER_CALL_9|) (= (select |v_old(#valid)_AFTER_CALL_9| |c_ULTIMATE.start_main_~ptr~0#1.base|) 1) (= (select |v_#valid_BEFORE_CALL_9| v_arrayElimCell_78) 1) (= (select |v_#valid_BEFORE_CALL_9| |c_ULTIMATE.start_main_~ptr~0#1.base|) 0))) (= |c_ULTIMATE.start_main_~ptr~0#1.offset| 0) (= |c_ULTIMATE.start_main_~data~0#1| 1) (= (select (select |c_#memory_int#1| |c_ULTIMATE.start_main_~ptr~0#1.base|) 8) 1)) is different from true [2023-11-29 02:07:50,899 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 6 not checked. [2023-11-29 02:07:50,899 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:07:51,649 INFO L349 Elim1Store]: treesize reduction 480, result has 40.8 percent of original size [2023-11-29 02:07:51,649 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 2824 treesize of output 2394 [2023-11-29 02:07:51,852 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:07:51,853 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 6 case distinctions, treesize of input 3304 treesize of output 2580 [2023-11-29 02:07:51,878 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 1076 treesize of output 1060 [2023-11-29 02:07:51,898 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 2122 treesize of output 2090 [2023-11-29 02:07:52,108 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 4 [2023-11-29 02:07:58,215 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:07:58,216 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 9147 treesize of output 9007 [2023-11-29 02:08:04,778 WARN L293 SmtUtils]: Spent 6.29s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 02:08:24,689 WARN L293 SmtUtils]: Spent 6.64s on a formula simplification that was a NOOP. DAG size: 19 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2023-11-29 02:08:24,689 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:08:24,691 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 9744 treesize of output 9636 [2023-11-29 02:08:35,327 WARN L293 SmtUtils]: Spent 7.19s on a formula simplification that was a NOOP. DAG size: 14 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 02:10:09,493 WARN L293 SmtUtils]: Spent 1.46m on a formula simplification that was a NOOP. DAG size: 19 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2023-11-29 02:10:09,493 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 02:10:09,503 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 5 new quantified variables, introduced 3 case distinctions, treesize of input 155593 treesize of output 148739