./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/forester-heap/sll-buckets-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5442be25-80f0-48b4-a4fa-f402707e0194/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5442be25-80f0-48b4-a4fa-f402707e0194/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5442be25-80f0-48b4-a4fa-f402707e0194/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5442be25-80f0-48b4-a4fa-f402707e0194/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/forester-heap/sll-buckets-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5442be25-80f0-48b4-a4fa-f402707e0194/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5442be25-80f0-48b4-a4fa-f402707e0194/bin/uautomizer-verify-qhAvR1uOyd --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 c6b726a83620fff2a21a6dbfdec50e244c1786dd86dd76b1719515a59b3627ac --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 12:44:55,904 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 12:44:55,974 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5442be25-80f0-48b4-a4fa-f402707e0194/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-13 12:44:55,980 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 12:44:55,980 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 12:44:56,025 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 12:44:56,026 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 12:44:56,026 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 12:44:56,027 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 12:44:56,027 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 12:44:56,027 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 12:44:56,027 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 12:44:56,027 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 12:44:56,027 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 12:44:56,027 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 12:44:56,028 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 12:44:56,028 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 12:44:56,028 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 12:44:56,028 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 12:44:56,028 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 12:44:56,028 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 12:44:56,028 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 12:44:56,028 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 12:44:56,028 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 12:44:56,028 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 12:44:56,029 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 12:44:56,029 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 12:44:56,029 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 12:44:56,029 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 12:44:56,029 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 12:44:56,029 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 12:44:56,029 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 12:44:56,029 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 12:44:56,034 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 12:44:56,034 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 12:44:56,034 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 12:44:56,034 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 12:44:56,034 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 12:44:56,034 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 12:44:56,036 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 12:44:56,036 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 12:44:56,036 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 12:44:56,036 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_5442be25-80f0-48b4-a4fa-f402707e0194/bin/uautomizer-verify-qhAvR1uOyd 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 -> c6b726a83620fff2a21a6dbfdec50e244c1786dd86dd76b1719515a59b3627ac [2024-11-13 12:44:56,363 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 12:44:56,374 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 12:44:56,377 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 12:44:56,378 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 12:44:56,379 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 12:44:56,380 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5442be25-80f0-48b4-a4fa-f402707e0194/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/forester-heap/sll-buckets-1.i Unable to find full path for "g++" [2024-11-13 12:44:58,214 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 12:44:58,601 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 12:44:58,602 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5442be25-80f0-48b4-a4fa-f402707e0194/sv-benchmarks/c/forester-heap/sll-buckets-1.i [2024-11-13 12:44:58,627 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5442be25-80f0-48b4-a4fa-f402707e0194/bin/uautomizer-verify-qhAvR1uOyd/data/6ddf1d63c/65d77a5536004083bfe4c6c86c4d9ae7/FLAG1545b0275 [2024-11-13 12:44:58,648 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5442be25-80f0-48b4-a4fa-f402707e0194/bin/uautomizer-verify-qhAvR1uOyd/data/6ddf1d63c/65d77a5536004083bfe4c6c86c4d9ae7 [2024-11-13 12:44:58,651 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 12:44:58,653 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 12:44:58,654 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 12:44:58,655 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 12:44:58,660 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 12:44:58,661 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 12:44:58" (1/1) ... [2024-11-13 12:44:58,664 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ffdc3d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:44:58, skipping insertion in model container [2024-11-13 12:44:58,664 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 12:44:58" (1/1) ... [2024-11-13 12:44:58,715 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 12:44:59,065 WARN L250 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_5442be25-80f0-48b4-a4fa-f402707e0194/sv-benchmarks/c/forester-heap/sll-buckets-1.i[22663,22676] [2024-11-13 12:44:59,070 WARN L250 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_5442be25-80f0-48b4-a4fa-f402707e0194/sv-benchmarks/c/forester-heap/sll-buckets-1.i[22734,22747] [2024-11-13 12:44:59,072 WARN L250 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_5442be25-80f0-48b4-a4fa-f402707e0194/sv-benchmarks/c/forester-heap/sll-buckets-1.i[22862,22875] [2024-11-13 12:44:59,076 WARN L250 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_5442be25-80f0-48b4-a4fa-f402707e0194/sv-benchmarks/c/forester-heap/sll-buckets-1.i[23275,23288] [2024-11-13 12:44:59,077 WARN L250 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_5442be25-80f0-48b4-a4fa-f402707e0194/sv-benchmarks/c/forester-heap/sll-buckets-1.i[23364,23377] [2024-11-13 12:44:59,080 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 12:44:59,092 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 12:44:59,137 WARN L250 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_5442be25-80f0-48b4-a4fa-f402707e0194/sv-benchmarks/c/forester-heap/sll-buckets-1.i[22663,22676] [2024-11-13 12:44:59,137 WARN L250 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_5442be25-80f0-48b4-a4fa-f402707e0194/sv-benchmarks/c/forester-heap/sll-buckets-1.i[22734,22747] [2024-11-13 12:44:59,139 WARN L250 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_5442be25-80f0-48b4-a4fa-f402707e0194/sv-benchmarks/c/forester-heap/sll-buckets-1.i[22862,22875] [2024-11-13 12:44:59,142 WARN L250 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_5442be25-80f0-48b4-a4fa-f402707e0194/sv-benchmarks/c/forester-heap/sll-buckets-1.i[23275,23288] [2024-11-13 12:44:59,143 WARN L250 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_5442be25-80f0-48b4-a4fa-f402707e0194/sv-benchmarks/c/forester-heap/sll-buckets-1.i[23364,23377] [2024-11-13 12:44:59,145 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 12:44:59,171 INFO L204 MainTranslator]: Completed translation [2024-11-13 12:44:59,172 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:44:59 WrapperNode [2024-11-13 12:44:59,173 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 12:44:59,174 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 12:44:59,174 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 12:44:59,174 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 12:44:59,188 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:44:59" (1/1) ... [2024-11-13 12:44:59,201 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:44:59" (1/1) ... [2024-11-13 12:44:59,233 INFO L138 Inliner]: procedures = 119, calls = 42, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 145 [2024-11-13 12:44:59,234 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 12:44:59,234 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 12:44:59,234 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 12:44:59,234 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 12:44:59,245 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:44:59" (1/1) ... [2024-11-13 12:44:59,245 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:44:59" (1/1) ... [2024-11-13 12:44:59,252 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:44:59" (1/1) ... [2024-11-13 12:44:59,272 INFO L175 MemorySlicer]: Split 32 memory accesses to 2 slices as follows [2, 30]. 94 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 16 writes are split as follows [0, 16]. [2024-11-13 12:44:59,272 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:44:59" (1/1) ... [2024-11-13 12:44:59,272 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:44:59" (1/1) ... [2024-11-13 12:44:59,280 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:44:59" (1/1) ... [2024-11-13 12:44:59,284 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:44:59" (1/1) ... [2024-11-13 12:44:59,286 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:44:59" (1/1) ... [2024-11-13 12:44:59,287 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:44:59" (1/1) ... [2024-11-13 12:44:59,289 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 12:44:59,290 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 12:44:59,290 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 12:44:59,290 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 12:44:59,291 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:44:59" (1/1) ... [2024-11-13 12:44:59,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 12:44:59,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5442be25-80f0-48b4-a4fa-f402707e0194/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:44:59,327 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5442be25-80f0-48b4-a4fa-f402707e0194/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 12:44:59,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5442be25-80f0-48b4-a4fa-f402707e0194/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 12:44:59,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-13 12:44:59,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-13 12:44:59,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-13 12:44:59,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-13 12:44:59,373 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 12:44:59,373 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 12:44:59,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-13 12:44:59,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-13 12:44:59,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-13 12:44:59,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-13 12:44:59,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 12:44:59,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 12:44:59,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-13 12:44:59,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 12:44:59,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 12:44:59,490 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 12:44:59,492 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 12:44:59,846 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2024-11-13 12:44:59,846 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 12:44:59,862 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 12:44:59,862 INFO L316 CfgBuilder]: Removed 15 assume(true) statements. [2024-11-13 12:44:59,862 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:44:59 BoogieIcfgContainer [2024-11-13 12:44:59,863 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 12:44:59,865 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 12:44:59,865 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 12:44:59,870 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 12:44:59,871 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 12:44:58" (1/3) ... [2024-11-13 12:44:59,872 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e497aa0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 12:44:59, skipping insertion in model container [2024-11-13 12:44:59,872 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:44:59" (2/3) ... [2024-11-13 12:44:59,872 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e497aa0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 12:44:59, skipping insertion in model container [2024-11-13 12:44:59,872 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:44:59" (3/3) ... [2024-11-13 12:44:59,874 INFO L112 eAbstractionObserver]: Analyzing ICFG sll-buckets-1.i [2024-11-13 12:44:59,891 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 12:44:59,894 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG sll-buckets-1.i that has 1 procedures, 44 locations, 1 initial locations, 10 loop locations, and 5 error locations. [2024-11-13 12:44:59,963 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 12:44:59,979 INFO L333 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, 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;@b5bc444, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 12:44:59,979 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-11-13 12:44:59,984 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 38 states have (on average 1.868421052631579) internal successors, (71), 43 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:44:59,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 12:44:59,990 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:44:59,991 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:44:59,992 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-13 12:44:59,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:44:59,998 INFO L85 PathProgramCache]: Analyzing trace with hash 149926642, now seen corresponding path program 1 times [2024-11-13 12:45:00,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:45:00,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751819116] [2024-11-13 12:45:00,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:45:00,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:45:00,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:00,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:45:00,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:45:00,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751819116] [2024-11-13 12:45:00,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751819116] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:45:00,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:45:00,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 12:45:00,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113846196] [2024-11-13 12:45:00,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:45:00,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 12:45:00,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:45:00,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 12:45:00,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 12:45:00,575 INFO L87 Difference]: Start difference. First operand has 44 states, 38 states have (on average 1.868421052631579) internal successors, (71), 43 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:45:00,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:45:00,703 INFO L93 Difference]: Finished difference Result 103 states and 173 transitions. [2024-11-13 12:45:00,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 12:45:00,706 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-13 12:45:00,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:45:00,717 INFO L225 Difference]: With dead ends: 103 [2024-11-13 12:45:00,717 INFO L226 Difference]: Without dead ends: 57 [2024-11-13 12:45:00,722 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 12:45:00,725 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 57 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 12:45:00,726 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 81 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 12:45:00,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2024-11-13 12:45:00,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 41. [2024-11-13 12:45:00,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 37 states have (on average 1.3243243243243243) internal successors, (49), 40 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:45:00,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 49 transitions. [2024-11-13 12:45:00,763 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 49 transitions. Word has length 8 [2024-11-13 12:45:00,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:45:00,765 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 49 transitions. [2024-11-13 12:45:00,765 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:45:00,765 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions. [2024-11-13 12:45:00,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 12:45:00,766 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:45:00,766 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:45:00,766 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 12:45:00,766 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-13 12:45:00,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:45:00,767 INFO L85 PathProgramCache]: Analyzing trace with hash 387083759, now seen corresponding path program 1 times [2024-11-13 12:45:00,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:45:00,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337849383] [2024-11-13 12:45:00,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:45:00,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:45:00,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:00,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:45:00,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:45:00,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337849383] [2024-11-13 12:45:00,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337849383] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:45:00,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:45:00,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 12:45:00,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582007967] [2024-11-13 12:45:00,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:45:00,953 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:45:00,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:45:00,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:45:00,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:45:00,954 INFO L87 Difference]: Start difference. First operand 41 states and 49 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:45:01,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:45:01,008 INFO L93 Difference]: Finished difference Result 42 states and 50 transitions. [2024-11-13 12:45:01,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:45:01,009 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-11-13 12:45:01,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:45:01,010 INFO L225 Difference]: With dead ends: 42 [2024-11-13 12:45:01,010 INFO L226 Difference]: Without dead ends: 40 [2024-11-13 12:45:01,010 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:45:01,011 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 4 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 12:45:01,013 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 70 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 12:45:01,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2024-11-13 12:45:01,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 39. [2024-11-13 12:45:01,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 36 states have (on average 1.3055555555555556) internal successors, (47), 38 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:45:01,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 47 transitions. [2024-11-13 12:45:01,023 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 47 transitions. Word has length 9 [2024-11-13 12:45:01,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:45:01,023 INFO L471 AbstractCegarLoop]: Abstraction has 39 states and 47 transitions. [2024-11-13 12:45:01,023 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:45:01,024 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 47 transitions. [2024-11-13 12:45:01,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 12:45:01,025 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:45:01,026 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:45:01,026 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 12:45:01,026 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-13 12:45:01,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:45:01,027 INFO L85 PathProgramCache]: Analyzing trace with hash -885269389, now seen corresponding path program 1 times [2024-11-13 12:45:01,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:45:01,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469799249] [2024-11-13 12:45:01,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:45:01,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:45:01,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:02,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:45:02,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:45:02,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469799249] [2024-11-13 12:45:02,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1469799249] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:45:02,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:45:02,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 12:45:02,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620903223] [2024-11-13 12:45:02,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:45:02,112 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 12:45:02,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:45:02,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 12:45:02,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 12:45:02,113 INFO L87 Difference]: Start difference. First operand 39 states and 47 transitions. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:45:02,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:45:02,315 INFO L93 Difference]: Finished difference Result 58 states and 71 transitions. [2024-11-13 12:45:02,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:45:02,316 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-11-13 12:45:02,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:45:02,317 INFO L225 Difference]: With dead ends: 58 [2024-11-13 12:45:02,318 INFO L226 Difference]: Without dead ends: 47 [2024-11-13 12:45:02,318 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-13 12:45:02,319 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 17 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 12:45:02,321 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 94 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 12:45:02,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2024-11-13 12:45:02,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 44. [2024-11-13 12:45:02,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 41 states have (on average 1.2926829268292683) internal successors, (53), 43 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:45:02,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 53 transitions. [2024-11-13 12:45:02,330 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 53 transitions. Word has length 10 [2024-11-13 12:45:02,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:45:02,332 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 53 transitions. [2024-11-13 12:45:02,332 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:45:02,332 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 53 transitions. [2024-11-13 12:45:02,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 12:45:02,333 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:45:02,333 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:45:02,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 12:45:02,334 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-13 12:45:02,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:45:02,334 INFO L85 PathProgramCache]: Analyzing trace with hash -1949257738, now seen corresponding path program 1 times [2024-11-13 12:45:02,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:45:02,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089209258] [2024-11-13 12:45:02,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:45:02,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:45:02,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:02,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:45:02,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:45:02,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089209258] [2024-11-13 12:45:02,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089209258] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:45:02,418 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:45:02,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 12:45:02,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080471027] [2024-11-13 12:45:02,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:45:02,419 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:45:02,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:45:02,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:45:02,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:45:02,419 INFO L87 Difference]: Start difference. First operand 44 states and 53 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:45:02,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:45:02,459 INFO L93 Difference]: Finished difference Result 44 states and 53 transitions. [2024-11-13 12:45:02,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:45:02,460 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-11-13 12:45:02,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:45:02,461 INFO L225 Difference]: With dead ends: 44 [2024-11-13 12:45:02,461 INFO L226 Difference]: Without dead ends: 42 [2024-11-13 12:45:02,461 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:45:02,462 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 17 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 12:45:02,462 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 47 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 12:45:02,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2024-11-13 12:45:02,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2024-11-13 12:45:02,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 40 states have (on average 1.275) internal successors, (51), 41 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:45:02,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 51 transitions. [2024-11-13 12:45:02,477 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 51 transitions. Word has length 10 [2024-11-13 12:45:02,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:45:02,478 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 51 transitions. [2024-11-13 12:45:02,478 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:45:02,478 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 51 transitions. [2024-11-13 12:45:02,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 12:45:02,478 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:45:02,478 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:45:02,479 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 12:45:02,479 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-13 12:45:02,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:45:02,479 INFO L85 PathProgramCache]: Analyzing trace with hash -1589529210, now seen corresponding path program 1 times [2024-11-13 12:45:02,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:45:02,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347693480] [2024-11-13 12:45:02,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:45:02,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:45:02,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:03,641 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:45:03,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:45:03,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347693480] [2024-11-13 12:45:03,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347693480] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:45:03,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1028311637] [2024-11-13 12:45:03,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:45:03,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:45:03,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5442be25-80f0-48b4-a4fa-f402707e0194/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:45:03,645 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5442be25-80f0-48b4-a4fa-f402707e0194/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:45:03,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5442be25-80f0-48b4-a4fa-f402707e0194/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 12:45:03,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:03,826 INFO L255 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-11-13 12:45:03,837 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:45:03,943 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 36 [2024-11-13 12:45:03,966 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 36 [2024-11-13 12:45:04,037 INFO L349 Elim1Store]: treesize reduction 62, result has 21.5 percent of original size [2024-11-13 12:45:04,037 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 85 treesize of output 84 [2024-11-13 12:45:04,060 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-13 12:45:04,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:45:04,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:45:04,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:45:04,079 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 40 treesize of output 42 [2024-11-13 12:45:04,086 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-13 12:45:04,114 INFO L349 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2024-11-13 12:45:04,114 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 35 treesize of output 27 [2024-11-13 12:45:04,132 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 15 [2024-11-13 12:45:04,144 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 15 [2024-11-13 12:45:04,647 INFO L349 Elim1Store]: treesize reduction 37, result has 15.9 percent of original size [2024-11-13 12:45:04,648 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 75 treesize of output 59 [2024-11-13 12:45:04,680 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 55 [2024-11-13 12:45:05,271 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:45:05,272 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:45:05,673 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:45:05,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1028311637] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:45:05,673 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:45:05,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 16 [2024-11-13 12:45:05,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334495502] [2024-11-13 12:45:05,674 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:45:05,674 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-13 12:45:05,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:45:05,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-13 12:45:05,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2024-11-13 12:45:05,675 INFO L87 Difference]: Start difference. First operand 42 states and 51 transitions. Second operand has 16 states, 16 states have (on average 2.25) internal successors, (36), 16 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:45:06,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:45:06,785 INFO L93 Difference]: Finished difference Result 67 states and 81 transitions. [2024-11-13 12:45:06,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 12:45:06,786 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.25) internal successors, (36), 16 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-11-13 12:45:06,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:45:06,787 INFO L225 Difference]: With dead ends: 67 [2024-11-13 12:45:06,787 INFO L226 Difference]: Without dead ends: 56 [2024-11-13 12:45:06,787 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=78, Invalid=302, Unknown=0, NotChecked=0, Total=380 [2024-11-13 12:45:06,788 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 36 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 300 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 233 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 300 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-13 12:45:06,789 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 233 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 300 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-13 12:45:06,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-11-13 12:45:06,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 47. [2024-11-13 12:45:06,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 45 states have (on average 1.2444444444444445) internal successors, (56), 46 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:45:06,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 56 transitions. [2024-11-13 12:45:06,804 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 56 transitions. Word has length 15 [2024-11-13 12:45:06,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:45:06,804 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 56 transitions. [2024-11-13 12:45:06,805 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.25) internal successors, (36), 16 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:45:06,805 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 56 transitions. [2024-11-13 12:45:06,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 12:45:06,806 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:45:06,806 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:45:06,828 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5442be25-80f0-48b4-a4fa-f402707e0194/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 12:45:07,006 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5442be25-80f0-48b4-a4fa-f402707e0194/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:45:07,007 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-13 12:45:07,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:45:07,009 INFO L85 PathProgramCache]: Analyzing trace with hash 624235266, now seen corresponding path program 1 times [2024-11-13 12:45:07,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:45:07,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480970942] [2024-11-13 12:45:07,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:45:07,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:45:07,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:07,368 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:45:07,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:45:07,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480970942] [2024-11-13 12:45:07,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480970942] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:45:07,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [762097213] [2024-11-13 12:45:07,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:45:07,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:45:07,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5442be25-80f0-48b4-a4fa-f402707e0194/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:45:07,370 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5442be25-80f0-48b4-a4fa-f402707e0194/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:45:07,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5442be25-80f0-48b4-a4fa-f402707e0194/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 12:45:07,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:07,538 INFO L255 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-13 12:45:07,542 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:45:07,588 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 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 27 treesize of output 35 [2024-11-13 12:45:07,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:45:07,630 INFO L349 Elim1Store]: treesize reduction 33, result has 13.2 percent of original size [2024-11-13 12:45:07,631 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 25 [2024-11-13 12:45:07,637 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 21 treesize of output 11 [2024-11-13 12:45:07,728 INFO L349 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2024-11-13 12:45:07,728 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 18 [2024-11-13 12:45:07,736 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-13 12:45:07,767 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 21 treesize of output 20 [2024-11-13 12:45:07,918 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:45:07,918 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 12:45:07,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [762097213] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:45:07,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 12:45:07,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2024-11-13 12:45:07,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371977353] [2024-11-13 12:45:07,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:45:07,919 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 12:45:07,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:45:07,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 12:45:07,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-11-13 12:45:07,920 INFO L87 Difference]: Start difference. First operand 47 states and 56 transitions. Second operand has 7 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 7 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:45:08,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:45:08,342 INFO L93 Difference]: Finished difference Result 120 states and 147 transitions. [2024-11-13 12:45:08,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 12:45:08,344 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 7 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2024-11-13 12:45:08,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:45:08,345 INFO L225 Difference]: With dead ends: 120 [2024-11-13 12:45:08,345 INFO L226 Difference]: Without dead ends: 85 [2024-11-13 12:45:08,345 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2024-11-13 12:45:08,346 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 84 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 12:45:08,346 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 134 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 12:45:08,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2024-11-13 12:45:08,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 61. [2024-11-13 12:45:08,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 59 states have (on average 1.2372881355932204) internal successors, (73), 60 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:45:08,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 73 transitions. [2024-11-13 12:45:08,360 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 73 transitions. Word has length 16 [2024-11-13 12:45:08,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:45:08,360 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 73 transitions. [2024-11-13 12:45:08,361 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 7 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:45:08,361 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 73 transitions. [2024-11-13 12:45:08,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 12:45:08,361 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:45:08,361 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:45:08,381 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5442be25-80f0-48b4-a4fa-f402707e0194/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-13 12:45:08,565 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5442be25-80f0-48b4-a4fa-f402707e0194/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:45:08,565 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-13 12:45:08,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:45:08,565 INFO L85 PathProgramCache]: Analyzing trace with hash -66402467, now seen corresponding path program 1 times [2024-11-13 12:45:08,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:45:08,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894659474] [2024-11-13 12:45:08,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:45:08,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:45:08,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:08,846 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:45:08,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:45:08,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894659474] [2024-11-13 12:45:08,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894659474] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:45:08,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [361482391] [2024-11-13 12:45:08,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:45:08,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:45:08,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5442be25-80f0-48b4-a4fa-f402707e0194/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:45:08,849 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5442be25-80f0-48b4-a4fa-f402707e0194/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:45:08,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5442be25-80f0-48b4-a4fa-f402707e0194/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 12:45:09,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:09,006 INFO L255 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-13 12:45:09,011 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:45:09,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:45:09,063 INFO L349 Elim1Store]: treesize reduction 31, result has 13.9 percent of original size [2024-11-13 12:45:09,063 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 30 [2024-11-13 12:45:09,074 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 28 [2024-11-13 12:45:09,097 INFO L349 Elim1Store]: treesize reduction 44, result has 10.2 percent of original size [2024-11-13 12:45:09,097 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 62 treesize of output 41 [2024-11-13 12:45:09,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:45:09,207 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 36 [2024-11-13 12:45:09,236 INFO L349 Elim1Store]: treesize reduction 12, result has 58.6 percent of original size [2024-11-13 12:45:09,237 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 25 treesize of output 29 [2024-11-13 12:45:09,301 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 40 treesize of output 29 [2024-11-13 12:45:09,414 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:45:09,414 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 1 case distinctions, treesize of input 31 treesize of output 15 [2024-11-13 12:45:09,420 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:45:09,421 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:45:09,562 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:45:09,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [361482391] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:45:09,566 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:45:09,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 7] total 13 [2024-11-13 12:45:09,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149062300] [2024-11-13 12:45:09,566 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:45:09,566 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-13 12:45:09,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:45:09,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-13 12:45:09,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=116, Unknown=3, NotChecked=0, Total=156 [2024-11-13 12:45:09,567 INFO L87 Difference]: Start difference. First operand 61 states and 73 transitions. Second operand has 13 states, 13 states have (on average 2.6923076923076925) internal successors, (35), 13 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:45:10,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:45:10,300 INFO L93 Difference]: Finished difference Result 173 states and 211 transitions. [2024-11-13 12:45:10,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-13 12:45:10,301 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.6923076923076925) internal successors, (35), 13 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2024-11-13 12:45:10,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:45:10,302 INFO L225 Difference]: With dead ends: 173 [2024-11-13 12:45:10,303 INFO L226 Difference]: Without dead ends: 171 [2024-11-13 12:45:10,303 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=127, Invalid=290, Unknown=3, NotChecked=0, Total=420 [2024-11-13 12:45:10,304 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 302 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 302 SdHoareTripleChecker+Valid, 276 SdHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 12:45:10,305 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [302 Valid, 276 Invalid, 267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 12:45:10,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2024-11-13 12:45:10,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 99. [2024-11-13 12:45:10,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 97 states have (on average 1.2577319587628866) internal successors, (122), 98 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:45:10,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 122 transitions. [2024-11-13 12:45:10,338 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 122 transitions. Word has length 17 [2024-11-13 12:45:10,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:45:10,338 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 122 transitions. [2024-11-13 12:45:10,338 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.6923076923076925) internal successors, (35), 13 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:45:10,338 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 122 transitions. [2024-11-13 12:45:10,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 12:45:10,339 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:45:10,339 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:45:10,358 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5442be25-80f0-48b4-a4fa-f402707e0194/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-13 12:45:10,543 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5442be25-80f0-48b4-a4fa-f402707e0194/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:45:10,543 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-13 12:45:10,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:45:10,543 INFO L85 PathProgramCache]: Analyzing trace with hash 613190210, now seen corresponding path program 2 times [2024-11-13 12:45:10,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:45:10,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445284677] [2024-11-13 12:45:10,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:45:10,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:45:10,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:11,120 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:45:11,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:45:11,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445284677] [2024-11-13 12:45:11,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1445284677] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:45:11,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [646698946] [2024-11-13 12:45:11,121 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 12:45:11,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:45:11,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5442be25-80f0-48b4-a4fa-f402707e0194/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:45:11,123 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5442be25-80f0-48b4-a4fa-f402707e0194/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:45:11,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5442be25-80f0-48b4-a4fa-f402707e0194/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-13 12:45:11,740 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 12:45:11,740 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 12:45:11,745 INFO L255 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-11-13 12:45:11,750 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:45:11,773 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 32 [2024-11-13 12:45:11,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:45:11,814 INFO L349 Elim1Store]: treesize reduction 39, result has 11.4 percent of original size [2024-11-13 12:45:11,814 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 38 [2024-11-13 12:45:11,851 INFO L349 Elim1Store]: treesize reduction 36, result has 32.1 percent of original size [2024-11-13 12:45:11,851 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 86 treesize of output 74 [2024-11-13 12:45:11,861 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 52 [2024-11-13 12:45:11,867 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 16 [2024-11-13 12:45:11,889 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 23 treesize of output 11 [2024-11-13 12:45:12,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:45:12,043 INFO L349 Elim1Store]: treesize reduction 25, result has 16.7 percent of original size [2024-11-13 12:45:12,043 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 89 treesize of output 60 [2024-11-13 12:45:12,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:45:12,072 INFO L349 Elim1Store]: treesize reduction 12, result has 67.6 percent of original size [2024-11-13 12:45:12,072 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 37 [2024-11-13 12:45:12,100 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 23 treesize of output 16 [2024-11-13 12:45:12,221 INFO L349 Elim1Store]: treesize reduction 25, result has 16.7 percent of original size [2024-11-13 12:45:12,221 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 87 treesize of output 58 [2024-11-13 12:45:12,229 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 23 treesize of output 16 [2024-11-13 12:45:12,479 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 15 treesize of output 7 [2024-11-13 12:45:12,589 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-11-13 12:45:12,589 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 29 [2024-11-13 12:45:12,598 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:45:12,598 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:45:12,690 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_823 (Array Int Int)) (v_ArrVal_822 (Array Int Int))) (not (= (select (let ((.cse0 (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~item~0#1.base| v_ArrVal_822))) (select .cse0 (select (select .cse0 |c_ULTIMATE.start_main_~bucket~0#1.base|) |c_ULTIMATE.start_main_~bucket~0#1.offset|))) (select (select (store |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_main_~item~0#1.base| v_ArrVal_823) |c_ULTIMATE.start_main_~bucket~0#1.base|) |c_ULTIMATE.start_main_~bucket~0#1.offset|)) 0))) is different from false [2024-11-13 12:45:12,708 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_823 (Array Int Int)) (v_ArrVal_822 (Array Int Int)) (|v_ULTIMATE.start_main_~item~0#1.base_36| Int)) (or (not (= (select (let ((.cse0 (store |c_#memory_$Pointer$#1.base| |v_ULTIMATE.start_main_~item~0#1.base_36| v_ArrVal_822))) (select .cse0 (select (select .cse0 |c_ULTIMATE.start_main_~bucket~0#1.base|) |c_ULTIMATE.start_main_~bucket~0#1.offset|))) (select (select (store |c_#memory_$Pointer$#1.offset| |v_ULTIMATE.start_main_~item~0#1.base_36| v_ArrVal_823) |c_ULTIMATE.start_main_~bucket~0#1.base|) |c_ULTIMATE.start_main_~bucket~0#1.offset|)) 0)) (not (= (select |c_#valid| |v_ULTIMATE.start_main_~item~0#1.base_36|) 0)))) is different from false [2024-11-13 12:45:12,741 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:45:12,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [646698946] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:45:12,741 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:45:12,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 18 [2024-11-13 12:45:12,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189398153] [2024-11-13 12:45:12,742 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:45:12,742 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-13 12:45:12,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:45:12,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-13 12:45:12,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=195, Unknown=2, NotChecked=58, Total=306 [2024-11-13 12:45:12,743 INFO L87 Difference]: Start difference. First operand 99 states and 122 transitions. Second operand has 18 states, 18 states have (on average 2.611111111111111) internal successors, (47), 18 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:45:14,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:45:14,049 INFO L93 Difference]: Finished difference Result 194 states and 240 transitions. [2024-11-13 12:45:14,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-13 12:45:14,051 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.611111111111111) internal successors, (47), 18 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2024-11-13 12:45:14,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:45:14,053 INFO L225 Difference]: With dead ends: 194 [2024-11-13 12:45:14,054 INFO L226 Difference]: Without dead ends: 192 [2024-11-13 12:45:14,055 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 136 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=201, Invalid=617, Unknown=2, NotChecked=110, Total=930 [2024-11-13 12:45:14,055 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 433 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 261 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 433 SdHoareTripleChecker+Valid, 229 SdHoareTripleChecker+Invalid, 595 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 290 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 12:45:14,056 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [433 Valid, 229 Invalid, 595 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 261 Invalid, 0 Unknown, 290 Unchecked, 0.5s Time] [2024-11-13 12:45:14,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2024-11-13 12:45:14,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 120. [2024-11-13 12:45:14,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 118 states have (on average 1.2796610169491525) internal successors, (151), 119 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:45:14,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 151 transitions. [2024-11-13 12:45:14,100 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 151 transitions. Word has length 19 [2024-11-13 12:45:14,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:45:14,101 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 151 transitions. [2024-11-13 12:45:14,101 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.611111111111111) internal successors, (47), 18 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:45:14,101 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 151 transitions. [2024-11-13 12:45:14,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 12:45:14,102 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:45:14,102 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:45:14,117 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5442be25-80f0-48b4-a4fa-f402707e0194/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-13 12:45:14,302 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5442be25-80f0-48b4-a4fa-f402707e0194/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:45:14,303 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-13 12:45:14,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:45:14,303 INFO L85 PathProgramCache]: Analyzing trace with hash 845647955, now seen corresponding path program 2 times [2024-11-13 12:45:14,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:45:14,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24176419] [2024-11-13 12:45:14,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:45:14,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:45:14,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:15,484 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:45:15,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:45:15,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24176419] [2024-11-13 12:45:15,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [24176419] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:45:15,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [238478981] [2024-11-13 12:45:15,485 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 12:45:15,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:45:15,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5442be25-80f0-48b4-a4fa-f402707e0194/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:45:15,487 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5442be25-80f0-48b4-a4fa-f402707e0194/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:45:15,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5442be25-80f0-48b4-a4fa-f402707e0194/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-13 12:45:16,058 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 12:45:16,059 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 12:45:16,061 INFO L255 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 66 conjuncts are in the unsatisfiable core [2024-11-13 12:45:16,067 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:45:16,104 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 36 [2024-11-13 12:45:16,113 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 40 [2024-11-13 12:45:16,160 INFO L349 Elim1Store]: treesize reduction 62, result has 21.5 percent of original size [2024-11-13 12:45:16,161 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 78 treesize of output 79 [2024-11-13 12:45:16,167 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 1 [2024-11-13 12:45:16,170 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 31 [2024-11-13 12:45:16,221 INFO L349 Elim1Store]: treesize reduction 94, result has 34.3 percent of original size [2024-11-13 12:45:16,221 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 2 case distinctions, treesize of input 41 treesize of output 73 [2024-11-13 12:45:16,228 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 23 [2024-11-13 12:45:16,240 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 31 [2024-11-13 12:45:16,266 INFO L349 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2024-11-13 12:45:16,266 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 59 treesize of output 43 [2024-11-13 12:45:16,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:45:16,487 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 75 [2024-11-13 12:45:16,510 INFO L349 Elim1Store]: treesize reduction 41, result has 14.6 percent of original size [2024-11-13 12:45:16,510 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 7 case distinctions, treesize of input 122 treesize of output 84 [2024-11-13 12:45:16,910 INFO L349 Elim1Store]: treesize reduction 72, result has 17.2 percent of original size [2024-11-13 12:45:16,910 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 11 case distinctions, treesize of input 140 treesize of output 90 [2024-11-13 12:45:16,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:45:16,931 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 52 [2024-11-13 12:45:17,312 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:45:17,312 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:45:22,614 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:45:22,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [238478981] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:45:22,616 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:45:22,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 23 [2024-11-13 12:45:22,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044851314] [2024-11-13 12:45:22,617 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:45:22,617 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-13 12:45:22,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:45:22,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-13 12:45:22,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=424, Unknown=1, NotChecked=0, Total=506 [2024-11-13 12:45:22,618 INFO L87 Difference]: Start difference. First operand 120 states and 151 transitions. Second operand has 23 states, 23 states have (on average 2.217391304347826) internal successors, (51), 23 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:45:24,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:45:24,714 INFO L93 Difference]: Finished difference Result 145 states and 179 transitions. [2024-11-13 12:45:24,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-13 12:45:24,715 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 2.217391304347826) internal successors, (51), 23 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2024-11-13 12:45:24,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:45:24,716 INFO L225 Difference]: With dead ends: 145 [2024-11-13 12:45:24,716 INFO L226 Difference]: Without dead ends: 134 [2024-11-13 12:45:24,717 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 239 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=182, Invalid=809, Unknown=1, NotChecked=0, Total=992 [2024-11-13 12:45:24,718 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 52 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 316 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 267 SdHoareTripleChecker+Invalid, 333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-13 12:45:24,718 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 267 Invalid, 333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 316 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-13 12:45:24,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2024-11-13 12:45:24,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 130. [2024-11-13 12:45:24,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 128 states have (on average 1.2578125) internal successors, (161), 129 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:45:24,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 161 transitions. [2024-11-13 12:45:24,754 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 161 transitions. Word has length 20 [2024-11-13 12:45:24,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:45:24,755 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 161 transitions. [2024-11-13 12:45:24,755 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 2.217391304347826) internal successors, (51), 23 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:45:24,755 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 161 transitions. [2024-11-13 12:45:24,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 12:45:24,755 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:45:24,756 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:45:24,771 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5442be25-80f0-48b4-a4fa-f402707e0194/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-13 12:45:24,956 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5442be25-80f0-48b4-a4fa-f402707e0194/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:45:24,956 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-13 12:45:24,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:45:24,957 INFO L85 PathProgramCache]: Analyzing trace with hash 866723815, now seen corresponding path program 3 times [2024-11-13 12:45:24,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:45:24,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933735268] [2024-11-13 12:45:24,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:45:24,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:45:25,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:25,693 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 12:45:25,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:45:25,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933735268] [2024-11-13 12:45:25,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933735268] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:45:25,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1439607752] [2024-11-13 12:45:25,694 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-13 12:45:25,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:45:25,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5442be25-80f0-48b4-a4fa-f402707e0194/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:45:25,697 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5442be25-80f0-48b4-a4fa-f402707e0194/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:45:25,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5442be25-80f0-48b4-a4fa-f402707e0194/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-13 12:45:26,667 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-13 12:45:26,668 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 12:45:26,670 INFO L255 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 63 conjuncts are in the unsatisfiable core [2024-11-13 12:45:26,675 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:45:26,712 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 28 [2024-11-13 12:45:26,721 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2024-11-13 12:45:26,732 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 28 [2024-11-13 12:45:26,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:45:26,758 INFO L349 Elim1Store]: treesize reduction 41, result has 10.9 percent of original size [2024-11-13 12:45:26,758 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 33 [2024-11-13 12:45:26,776 INFO L349 Elim1Store]: treesize reduction 44, result has 10.2 percent of original size [2024-11-13 12:45:26,776 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 86 treesize of output 61 [2024-11-13 12:45:26,789 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 29 treesize of output 11 [2024-11-13 12:45:26,797 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 20 treesize of output 15 [2024-11-13 12:45:26,880 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-11-13 12:45:26,880 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 [2024-11-13 12:45:26,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:45:26,895 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 15 [2024-11-13 12:45:26,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:45:26,902 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 44 treesize of output 33 [2024-11-13 12:45:26,931 INFO L349 Elim1Store]: treesize reduction 8, result has 61.9 percent of original size [2024-11-13 12:45:26,932 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 22 [2024-11-13 12:45:27,010 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-13 12:45:27,019 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 43 treesize of output 32 [2024-11-13 12:45:27,033 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 23 treesize of output 22 [2024-11-13 12:45:27,339 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2024-11-13 12:45:27,346 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 7 treesize of output 3 [2024-11-13 12:45:27,418 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 12:45:27,418 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:45:27,585 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:45:27,585 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 33 [2024-11-13 12:45:27,696 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 12:45:27,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1439607752] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:45:27,696 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:45:27,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 18 [2024-11-13 12:45:27,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625151923] [2024-11-13 12:45:27,696 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:45:27,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-13 12:45:27,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:45:27,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-13 12:45:27,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=253, Unknown=3, NotChecked=0, Total=306 [2024-11-13 12:45:27,697 INFO L87 Difference]: Start difference. First operand 130 states and 161 transitions. Second operand has 18 states, 18 states have (on average 2.5555555555555554) internal successors, (46), 18 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:45:29,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:45:29,531 INFO L93 Difference]: Finished difference Result 272 states and 341 transitions. [2024-11-13 12:45:29,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 12:45:29,532 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.5555555555555554) internal successors, (46), 18 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2024-11-13 12:45:29,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:45:29,533 INFO L225 Difference]: With dead ends: 272 [2024-11-13 12:45:29,534 INFO L226 Difference]: Without dead ends: 237 [2024-11-13 12:45:29,534 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=184, Invalid=569, Unknown=3, NotChecked=0, Total=756 [2024-11-13 12:45:29,535 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 162 mSDsluCounter, 310 mSDsCounter, 0 mSdLazyCounter, 495 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-13 12:45:29,536 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 343 Invalid, 511 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 495 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-13 12:45:29,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2024-11-13 12:45:29,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 173. [2024-11-13 12:45:29,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 171 states have (on average 1.2573099415204678) internal successors, (215), 172 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:45:29,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 215 transitions. [2024-11-13 12:45:29,602 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 215 transitions. Word has length 21 [2024-11-13 12:45:29,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:45:29,603 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 215 transitions. [2024-11-13 12:45:29,603 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.5555555555555554) internal successors, (46), 18 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:45:29,603 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 215 transitions. [2024-11-13 12:45:29,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 12:45:29,604 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:45:29,604 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:45:29,631 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5442be25-80f0-48b4-a4fa-f402707e0194/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-13 12:45:29,808 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5442be25-80f0-48b4-a4fa-f402707e0194/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-13 12:45:29,809 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-13 12:45:29,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:45:29,809 INFO L85 PathProgramCache]: Analyzing trace with hash -154344539, now seen corresponding path program 1 times [2024-11-13 12:45:29,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:45:29,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443589947] [2024-11-13 12:45:29,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:45:29,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:45:29,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:30,722 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:45:30,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:45:30,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443589947] [2024-11-13 12:45:30,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443589947] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:45:30,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1614918427] [2024-11-13 12:45:30,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:45:30,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:45:30,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5442be25-80f0-48b4-a4fa-f402707e0194/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:45:30,724 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5442be25-80f0-48b4-a4fa-f402707e0194/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:45:30,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5442be25-80f0-48b4-a4fa-f402707e0194/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-13 12:45:30,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:30,917 INFO L255 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 69 conjuncts are in the unsatisfiable core [2024-11-13 12:45:30,923 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:45:30,943 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 32 [2024-11-13 12:45:30,954 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 32 [2024-11-13 12:45:30,965 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 26 [2024-11-13 12:45:31,033 INFO L349 Elim1Store]: treesize reduction 54, result has 23.9 percent of original size [2024-11-13 12:45:31,033 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 154 treesize of output 134 [2024-11-13 12:45:31,047 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 25 [2024-11-13 12:45:31,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:45:31,084 INFO L349 Elim1Store]: treesize reduction 29, result has 37.0 percent of original size [2024-11-13 12:45:31,085 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 23 [2024-11-13 12:45:31,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:45:31,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:45:31,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:45:31,125 INFO L349 Elim1Store]: treesize reduction 31, result has 13.9 percent of original size [2024-11-13 12:45:31,125 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 46 [2024-11-13 12:45:31,147 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 1 [2024-11-13 12:45:31,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:45:31,282 INFO L349 Elim1Store]: treesize reduction 25, result has 16.7 percent of original size [2024-11-13 12:45:31,282 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 84 treesize of output 61 [2024-11-13 12:45:31,322 INFO L349 Elim1Store]: treesize reduction 29, result has 46.3 percent of original size [2024-11-13 12:45:31,322 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 41 [2024-11-13 12:45:31,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:45:31,378 INFO L349 Elim1Store]: treesize reduction 32, result has 45.8 percent of original size [2024-11-13 12:45:31,378 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 41 [2024-11-13 12:45:31,397 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2024-11-13 12:45:31,422 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 3 [2024-11-13 12:45:31,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:45:31,481 INFO L349 Elim1Store]: treesize reduction 12, result has 67.6 percent of original size [2024-11-13 12:45:31,482 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 37 [2024-11-13 12:45:31,590 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 38 [2024-11-13 12:45:31,606 INFO L349 Elim1Store]: treesize reduction 25, result has 16.7 percent of original size [2024-11-13 12:45:31,606 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 82 treesize of output 59 [2024-11-13 12:45:31,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:45:31,626 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 39 [2024-11-13 12:45:32,168 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-13 12:45:32,168 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 96 treesize of output 47 [2024-11-13 12:45:32,174 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2024-11-13 12:45:32,266 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:45:32,266 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:45:32,477 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1314 (Array Int Int)) (v_ArrVal_1313 (Array Int Int)) (|ULTIMATE.start_main_~item~0#1.offset| Int)) (= (let ((.cse3 (store |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_main_~item~0#1.base| v_ArrVal_1313)) (.cse0 (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~item~0#1.base| v_ArrVal_1314))) (let ((.cse1 (select (select .cse0 |c_ULTIMATE.start_main_~bucket~0#1.base|) |c_ULTIMATE.start_main_~bucket~0#1.offset|)) (.cse2 (select (select .cse3 |c_ULTIMATE.start_main_~bucket~0#1.base|) |c_ULTIMATE.start_main_~bucket~0#1.offset|))) (select (select (store |c_#memory_int#1| |c_ULTIMATE.start_main_~item~0#1.base| (store (select |c_#memory_int#1| |c_ULTIMATE.start_main_~item~0#1.base|) (+ 4 |ULTIMATE.start_main_~item~0#1.offset|) 2)) (select (select .cse0 .cse1) .cse2)) (+ (select (select .cse3 .cse1) .cse2) 8)))) 2)) is different from false [2024-11-13 12:45:32,503 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:45:32,503 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 63 [2024-11-13 12:45:32,645 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:45:32,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1614918427] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:45:32,646 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:45:32,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 23 [2024-11-13 12:45:32,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321634514] [2024-11-13 12:45:32,646 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:45:32,647 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-13 12:45:32,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:45:32,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-13 12:45:32,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=409, Unknown=1, NotChecked=40, Total=506 [2024-11-13 12:45:32,649 INFO L87 Difference]: Start difference. First operand 173 states and 215 transitions. Second operand has 23 states, 23 states have (on average 2.3043478260869565) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:45:34,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:45:34,507 INFO L93 Difference]: Finished difference Result 303 states and 377 transitions. [2024-11-13 12:45:34,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 12:45:34,507 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 2.3043478260869565) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2024-11-13 12:45:34,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:45:34,509 INFO L225 Difference]: With dead ends: 303 [2024-11-13 12:45:34,510 INFO L226 Difference]: Without dead ends: 268 [2024-11-13 12:45:34,511 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 28 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=149, Invalid=666, Unknown=1, NotChecked=54, Total=870 [2024-11-13 12:45:34,512 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 189 mSDsluCounter, 367 mSDsCounter, 0 mSdLazyCounter, 610 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 719 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 610 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 83 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-13 12:45:34,512 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 405 Invalid, 719 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 610 Invalid, 0 Unknown, 83 Unchecked, 1.1s Time] [2024-11-13 12:45:34,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2024-11-13 12:45:34,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 214. [2024-11-13 12:45:34,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 212 states have (on average 1.2641509433962264) internal successors, (268), 213 states have internal predecessors, (268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:45:34,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 268 transitions. [2024-11-13 12:45:34,567 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 268 transitions. Word has length 21 [2024-11-13 12:45:34,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:45:34,568 INFO L471 AbstractCegarLoop]: Abstraction has 214 states and 268 transitions. [2024-11-13 12:45:34,568 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 2.3043478260869565) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:45:34,568 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 268 transitions. [2024-11-13 12:45:34,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 12:45:34,569 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:45:34,569 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:45:34,582 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5442be25-80f0-48b4-a4fa-f402707e0194/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-13 12:45:34,769 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5442be25-80f0-48b4-a4fa-f402707e0194/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:45:34,769 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-13 12:45:34,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:45:34,770 INFO L85 PathProgramCache]: Analyzing trace with hash -1604256717, now seen corresponding path program 1 times [2024-11-13 12:45:34,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:45:34,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079630313] [2024-11-13 12:45:34,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:45:34,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:45:34,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:35,557 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:45:35,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:45:35,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079630313] [2024-11-13 12:45:35,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1079630313] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:45:35,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [433878580] [2024-11-13 12:45:35,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:45:35,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:45:35,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5442be25-80f0-48b4-a4fa-f402707e0194/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:45:35,560 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5442be25-80f0-48b4-a4fa-f402707e0194/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:45:35,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5442be25-80f0-48b4-a4fa-f402707e0194/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-13 12:45:35,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:35,775 INFO L255 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 54 conjuncts are in the unsatisfiable core [2024-11-13 12:45:35,778 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:45:35,800 INFO L349 Elim1Store]: treesize reduction 17, result has 22.7 percent of original size [2024-11-13 12:45:35,801 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 21 treesize of output 13 [2024-11-13 12:45:35,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:45:35,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:45:35,834 INFO L349 Elim1Store]: treesize reduction 34, result has 2.9 percent of original size [2024-11-13 12:45:35,834 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 1 [2024-11-13 12:45:35,855 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-13 12:45:35,856 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-11-13 12:45:35,871 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-13 12:45:36,227 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-13 12:45:36,230 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 [2024-11-13 12:45:36,236 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2024-11-13 12:45:36,377 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-11-13 12:45:36,383 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 27 treesize of output 15 [2024-11-13 12:45:36,389 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2024-11-13 12:45:36,508 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:45:36,508 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:45:36,589 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1479 (Array Int Int))) (let ((.cse0 (+ |c_ULTIMATE.start_main_~bcki~0#1.offset| 4))) (or (= (select v_ArrVal_1479 (+ |c_ULTIMATE.start_main_~bcki~0#1.offset| 8)) (select (select (store |c_#memory_int#1| |c_ULTIMATE.start_main_~bcki~0#1.base| v_ArrVal_1479) (select (select |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~bcki~0#1.base|) .cse0)) (+ (select (select |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_main_~bcki~0#1.base|) .cse0) 4))) (not (= v_ArrVal_1479 (store (select |c_#memory_int#1| |c_ULTIMATE.start_main_~bcki~0#1.base|) .cse0 (select v_ArrVal_1479 .cse0))))))) is different from false [2024-11-13 12:45:36,600 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1479 (Array Int Int))) (let ((.cse0 (+ |c_ULTIMATE.start_main_~bucket~0#1.offset| 4))) (or (not (= (store (select |c_#memory_int#1| |c_ULTIMATE.start_main_~bucket~0#1.base|) .cse0 (select v_ArrVal_1479 .cse0)) v_ArrVal_1479)) (= (select (select (store |c_#memory_int#1| |c_ULTIMATE.start_main_~bucket~0#1.base| v_ArrVal_1479) (select (select |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~bucket~0#1.base|) .cse0)) (+ (select (select |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_main_~bucket~0#1.base|) .cse0) 4)) (select v_ArrVal_1479 (+ |c_ULTIMATE.start_main_~bucket~0#1.offset| 8)))))) is different from false [2024-11-13 12:45:36,630 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 102 [2024-11-13 12:45:36,639 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 170 treesize of output 158 [2024-11-13 12:45:36,822 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse1 (+ |c_ULTIMATE.start_main_~bucket~0#1.offset| 4)) (.cse2 (+ |c_ULTIMATE.start_main_~item~0#1.offset| 4)) (.cse3 (+ |c_ULTIMATE.start_main_~bucket~0#1.offset| 8)) (.cse4 (select |c_#memory_int#1| |c_ULTIMATE.start_main_~bcki~0#1.base|)) (.cse5 (+ |c_ULTIMATE.start_main_~bcki~0#1.offset| 4))) (let ((.cse6 (= |c_ULTIMATE.start_main_~bcki~0#1.offset| |c_ULTIMATE.start_main_~bucket~0#1.offset|)) (.cse8 (forall ((v_ArrVal_1479 (Array Int Int)) (v_arrayElimCell_130 Int) (v_ArrVal_1478 Int) (v_arrayElimCell_129 Int)) (let ((.cse20 (store |c_#memory_int#1| |c_ULTIMATE.start_main_~bcki~0#1.base| (store .cse4 .cse5 v_ArrVal_1478)))) (let ((.cse18 (store .cse20 |c_ULTIMATE.start_main_~bucket~0#1.base| v_ArrVal_1479)) (.cse19 (select v_ArrVal_1479 .cse3))) (or (= (select (select .cse18 v_arrayElimCell_129) (+ v_arrayElimCell_130 4)) .cse19) (not (= (store (select .cse20 |c_ULTIMATE.start_main_~bucket~0#1.base|) .cse1 (select v_ArrVal_1479 .cse1)) v_ArrVal_1479)) (= (select (select .cse18 |c_ULTIMATE.start_main_~item~0#1.base|) .cse2) .cse19)))))) (.cse7 (= |c_ULTIMATE.start_main_~bcki~0#1.base| |c_ULTIMATE.start_main_~bucket~0#1.base|)) (.cse9 (and (forall ((v_ArrVal_1479 (Array Int Int)) (v_ArrVal_1478 Int)) (let ((.cse14 (store |c_#memory_int#1| |c_ULTIMATE.start_main_~bcki~0#1.base| (store .cse4 .cse5 v_ArrVal_1478)))) (or (not (= (store (select .cse14 |c_ULTIMATE.start_main_~bucket~0#1.base|) .cse1 (select v_ArrVal_1479 .cse1)) v_ArrVal_1479)) (forall ((v_arrayElimCell_130 Int) (v_arrayElimCell_129 Int)) (= (select (select (store .cse14 |c_ULTIMATE.start_main_~bucket~0#1.base| v_ArrVal_1479) v_arrayElimCell_129) (+ v_arrayElimCell_130 4)) (select v_ArrVal_1479 .cse3)))))) (forall ((v_ArrVal_1479 (Array Int Int)) (v_ArrVal_1478 Int)) (let ((.cse15 (store |c_#memory_int#1| |c_ULTIMATE.start_main_~bcki~0#1.base| (store .cse4 .cse5 v_ArrVal_1478)))) (or (not (= (store (select .cse15 |c_ULTIMATE.start_main_~bucket~0#1.base|) .cse1 (select v_ArrVal_1479 .cse1)) v_ArrVal_1479)) (forall ((v_arrayElimCell_130 Int) (v_arrayElimCell_129 Int)) (let ((.cse17 (select v_ArrVal_1479 .cse3)) (.cse16 (select (store .cse15 |c_ULTIMATE.start_main_~bucket~0#1.base| v_ArrVal_1479) v_arrayElimCell_129))) (or (= (select .cse16 (+ v_arrayElimCell_130 4)) .cse17) (= .cse17 (select .cse16 .cse2))))))))))) (and (or (forall ((v_ArrVal_1479 (Array Int Int)) (v_ArrVal_1478 Int)) (let ((.cse0 (store |c_#memory_int#1| |c_ULTIMATE.start_main_~bcki~0#1.base| (store .cse4 .cse5 v_ArrVal_1478)))) (or (not (= (store (select .cse0 |c_ULTIMATE.start_main_~bucket~0#1.base|) .cse1 (select v_ArrVal_1479 .cse1)) v_ArrVal_1479)) (= (select (select (store .cse0 |c_ULTIMATE.start_main_~bucket~0#1.base| v_ArrVal_1479) |c_ULTIMATE.start_main_~item~0#1.base|) .cse2) (select v_ArrVal_1479 .cse3))))) (not .cse6) (not .cse7)) (or .cse8 .cse6) (or .cse6 .cse9) (or .cse8 .cse7) (or .cse7 .cse9) (forall ((v_ArrVal_1479 (Array Int Int)) (v_ArrVal_1478 Int)) (let ((.cse10 (store |c_#memory_int#1| |c_ULTIMATE.start_main_~bcki~0#1.base| (store .cse4 .cse5 v_ArrVal_1478)))) (let ((.cse13 (store .cse10 |c_ULTIMATE.start_main_~bucket~0#1.base| v_ArrVal_1479)) (.cse12 (select v_ArrVal_1479 .cse3))) (or (not (= (store (select .cse10 |c_ULTIMATE.start_main_~bucket~0#1.base|) .cse1 (select v_ArrVal_1479 .cse1)) v_ArrVal_1479)) (forall ((v_arrayElimCell_130 Int) (v_arrayElimCell_129 Int)) (let ((.cse11 (select .cse13 v_arrayElimCell_129))) (or (= (select .cse11 (+ v_arrayElimCell_130 4)) .cse12) (= .cse12 (select .cse11 .cse2))))) (= (select (select .cse13 |c_ULTIMATE.start_main_~item~0#1.base|) .cse2) .cse12)))))))) is different from false [2024-11-13 12:45:39,152 INFO L349 Elim1Store]: treesize reduction 31, result has 40.4 percent of original size [2024-11-13 12:45:39,153 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 190 treesize of output 144 [2024-11-13 12:45:39,191 INFO L349 Elim1Store]: treesize reduction 12, result has 52.0 percent of original size [2024-11-13 12:45:39,191 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 208 treesize of output 204 [2024-11-13 12:45:39,410 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:45:39,410 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 85 treesize of output 97 [2024-11-13 12:45:39,991 INFO L349 Elim1Store]: treesize reduction 6, result has 95.4 percent of original size [2024-11-13 12:45:39,992 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 300 treesize of output 304 [2024-11-13 12:45:40,285 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2024-11-13 12:45:40,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [433878580] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:45:40,286 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:45:40,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13, 13] total 31 [2024-11-13 12:45:40,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783220445] [2024-11-13 12:45:40,286 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:45:40,286 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-11-13 12:45:40,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:45:40,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-11-13 12:45:40,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=645, Unknown=3, NotChecked=162, Total=930 [2024-11-13 12:45:40,287 INFO L87 Difference]: Start difference. First operand 214 states and 268 transitions. Second operand has 31 states, 31 states have (on average 2.064516129032258) internal successors, (64), 31 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:45:43,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:45:43,712 INFO L93 Difference]: Finished difference Result 348 states and 439 transitions. [2024-11-13 12:45:43,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-13 12:45:43,713 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 2.064516129032258) internal successors, (64), 31 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2024-11-13 12:45:43,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:45:43,714 INFO L225 Difference]: With dead ends: 348 [2024-11-13 12:45:43,715 INFO L226 Difference]: Without dead ends: 313 [2024-11-13 12:45:43,717 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 30 SyntacticMatches, 3 SemanticMatches, 46 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 500 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=362, Invalid=1627, Unknown=3, NotChecked=264, Total=2256 [2024-11-13 12:45:43,718 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 196 mSDsluCounter, 349 mSDsCounter, 0 mSdLazyCounter, 655 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 1002 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 655 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 338 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-13 12:45:43,718 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 378 Invalid, 1002 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 655 Invalid, 0 Unknown, 338 Unchecked, 1.9s Time] [2024-11-13 12:45:43,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2024-11-13 12:45:43,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 254. [2024-11-13 12:45:43,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 254 states, 252 states have (on average 1.257936507936508) internal successors, (317), 253 states have internal predecessors, (317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:45:43,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 317 transitions. [2024-11-13 12:45:43,798 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 317 transitions. Word has length 24 [2024-11-13 12:45:43,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:45:43,798 INFO L471 AbstractCegarLoop]: Abstraction has 254 states and 317 transitions. [2024-11-13 12:45:43,799 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 2.064516129032258) internal successors, (64), 31 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:45:43,799 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 317 transitions. [2024-11-13 12:45:43,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 12:45:43,801 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:45:43,801 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:45:43,821 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5442be25-80f0-48b4-a4fa-f402707e0194/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-13 12:45:44,001 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5442be25-80f0-48b4-a4fa-f402707e0194/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:45:44,001 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-13 12:45:44,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:45:44,002 INFO L85 PathProgramCache]: Analyzing trace with hash 963457907, now seen corresponding path program 1 times [2024-11-13 12:45:44,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:45:44,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510553476] [2024-11-13 12:45:44,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:45:44,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:45:44,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:44,986 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:45:44,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:45:44,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510553476] [2024-11-13 12:45:44,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1510553476] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:45:44,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1270796073] [2024-11-13 12:45:44,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:45:44,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:45:44,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5442be25-80f0-48b4-a4fa-f402707e0194/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:45:44,989 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5442be25-80f0-48b4-a4fa-f402707e0194/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:45:44,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5442be25-80f0-48b4-a4fa-f402707e0194/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-13 12:45:45,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:45,226 INFO L255 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-11-13 12:45:45,234 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:45:45,261 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 28 [2024-11-13 12:45:45,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:45:45,298 INFO L349 Elim1Store]: treesize reduction 41, result has 10.9 percent of original size [2024-11-13 12:45:45,298 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 33 [2024-11-13 12:45:45,322 INFO L349 Elim1Store]: treesize reduction 44, result has 10.2 percent of original size [2024-11-13 12:45:45,322 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 86 treesize of output 63 [2024-11-13 12:45:45,335 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 36 [2024-11-13 12:45:45,341 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 36 treesize of output 16 [2024-11-13 12:45:45,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:45:45,432 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 33 treesize of output 24 [2024-11-13 12:45:45,457 INFO L349 Elim1Store]: treesize reduction 8, result has 61.9 percent of original size [2024-11-13 12:45:45,457 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 22 [2024-11-13 12:45:45,470 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 16 [2024-11-13 12:45:45,555 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 16 [2024-11-13 12:45:45,559 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 32 treesize of output 23 [2024-11-13 12:45:45,967 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-13 12:45:45,967 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 43 [2024-11-13 12:45:45,973 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16 [2024-11-13 12:45:46,087 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:45:46,088 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:45:46,132 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 (+ |c_ULTIMATE.start_main_~bucket~0#1.offset| 4))) (and (forall ((v_ArrVal_1655 (Array Int Int))) (= (select (select (store |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_main_~bcki~0#1.base| v_ArrVal_1655) |c_ULTIMATE.start_main_~bucket~0#1.base|) .cse0) 0)) (forall ((v_ArrVal_1654 (Array Int Int))) (= (select (select (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~bcki~0#1.base| v_ArrVal_1654) |c_ULTIMATE.start_main_~bucket~0#1.base|) .cse0) 0)))) is different from false [2024-11-13 12:45:46,188 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 (select (select |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~bcki~0#1.base|) |c_ULTIMATE.start_main_~bcki~0#1.offset|)) (.cse1 (+ |c_ULTIMATE.start_main_~bucket~0#1.offset| 4))) (and (forall ((v_ArrVal_1655 (Array Int Int))) (= (select (select (store |c_#memory_$Pointer$#1.offset| .cse0 v_ArrVal_1655) |c_ULTIMATE.start_main_~bucket~0#1.base|) .cse1) 0)) (forall ((v_ArrVal_1654 (Array Int Int))) (= (select (select (store |c_#memory_$Pointer$#1.base| .cse0 v_ArrVal_1654) |c_ULTIMATE.start_main_~bucket~0#1.base|) .cse1) 0)))) is different from false [2024-11-13 12:45:46,551 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2024-11-13 12:45:46,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1270796073] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:45:46,551 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:45:46,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 10] total 21 [2024-11-13 12:45:46,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967670584] [2024-11-13 12:45:46,552 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:45:46,552 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-13 12:45:46,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:45:46,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-13 12:45:46,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=257, Unknown=26, NotChecked=70, Total=420 [2024-11-13 12:45:46,553 INFO L87 Difference]: Start difference. First operand 254 states and 317 transitions. Second operand has 21 states, 21 states have (on average 3.1904761904761907) internal successors, (67), 21 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:45:47,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:45:47,586 INFO L93 Difference]: Finished difference Result 350 states and 438 transitions. [2024-11-13 12:45:47,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 12:45:47,587 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 3.1904761904761907) internal successors, (67), 21 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2024-11-13 12:45:47,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:45:47,589 INFO L225 Difference]: With dead ends: 350 [2024-11-13 12:45:47,589 INFO L226 Difference]: Without dead ends: 339 [2024-11-13 12:45:47,590 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 44 SyntacticMatches, 2 SemanticMatches, 24 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=119, Invalid=412, Unknown=29, NotChecked=90, Total=650 [2024-11-13 12:45:47,590 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 247 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 327 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 504 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 150 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-13 12:45:47,591 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 258 Invalid, 504 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 327 Invalid, 0 Unknown, 150 Unchecked, 0.7s Time] [2024-11-13 12:45:47,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2024-11-13 12:45:47,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 296. [2024-11-13 12:45:47,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 294 states have (on average 1.272108843537415) internal successors, (374), 295 states have internal predecessors, (374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:45:47,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 374 transitions. [2024-11-13 12:45:47,692 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 374 transitions. Word has length 27 [2024-11-13 12:45:47,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:45:47,692 INFO L471 AbstractCegarLoop]: Abstraction has 296 states and 374 transitions. [2024-11-13 12:45:47,692 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 3.1904761904761907) internal successors, (67), 21 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:45:47,693 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 374 transitions. [2024-11-13 12:45:47,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 12:45:47,693 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:45:47,694 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:45:47,715 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5442be25-80f0-48b4-a4fa-f402707e0194/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-13 12:45:47,898 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5442be25-80f0-48b4-a4fa-f402707e0194/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-13 12:45:47,898 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-13 12:45:47,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:45:47,899 INFO L85 PathProgramCache]: Analyzing trace with hash 400015825, now seen corresponding path program 1 times [2024-11-13 12:45:47,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:45:47,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970637552] [2024-11-13 12:45:47,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:45:47,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:45:47,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:48,434 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:45:48,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:45:48,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970637552] [2024-11-13 12:45:48,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970637552] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:45:48,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:45:48,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 12:45:48,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011824313] [2024-11-13 12:45:48,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:45:48,435 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 12:45:48,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:45:48,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 12:45:48,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-13 12:45:48,436 INFO L87 Difference]: Start difference. First operand 296 states and 374 transitions. Second operand has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:45:48,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:45:48,789 INFO L93 Difference]: Finished difference Result 371 states and 466 transitions. [2024-11-13 12:45:48,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 12:45:48,790 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2024-11-13 12:45:48,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:45:48,791 INFO L225 Difference]: With dead ends: 371 [2024-11-13 12:45:48,792 INFO L226 Difference]: Without dead ends: 305 [2024-11-13 12:45:48,792 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-13 12:45:48,794 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 46 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 12:45:48,794 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 98 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 12:45:48,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2024-11-13 12:45:48,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 296. [2024-11-13 12:45:48,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 294 states have (on average 1.2619047619047619) internal successors, (371), 295 states have internal predecessors, (371), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:45:48,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 371 transitions. [2024-11-13 12:45:48,889 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 371 transitions. Word has length 27 [2024-11-13 12:45:48,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:45:48,890 INFO L471 AbstractCegarLoop]: Abstraction has 296 states and 371 transitions. [2024-11-13 12:45:48,890 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:45:48,890 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 371 transitions. [2024-11-13 12:45:48,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-13 12:45:48,891 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:45:48,891 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:45:48,891 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-13 12:45:48,892 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-13 12:45:48,892 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:45:48,894 INFO L85 PathProgramCache]: Analyzing trace with hash -323257898, now seen corresponding path program 1 times [2024-11-13 12:45:48,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:45:48,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525377976] [2024-11-13 12:45:48,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:45:48,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:45:48,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:50,157 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:45:50,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:45:50,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525377976] [2024-11-13 12:45:50,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1525377976] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:45:50,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1741282546] [2024-11-13 12:45:50,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:45:50,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:45:50,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5442be25-80f0-48b4-a4fa-f402707e0194/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:45:50,163 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5442be25-80f0-48b4-a4fa-f402707e0194/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:45:50,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5442be25-80f0-48b4-a4fa-f402707e0194/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-13 12:45:50,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:50,412 INFO L255 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 82 conjuncts are in the unsatisfiable core [2024-11-13 12:45:50,421 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:45:50,455 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 32 [2024-11-13 12:45:50,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:45:50,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:45:50,468 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 32 treesize of output 27 [2024-11-13 12:45:50,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:45:50,531 INFO L349 Elim1Store]: treesize reduction 31, result has 13.9 percent of original size [2024-11-13 12:45:50,531 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 30 [2024-11-13 12:45:50,549 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 28 [2024-11-13 12:45:50,580 INFO L349 Elim1Store]: treesize reduction 44, result has 10.2 percent of original size [2024-11-13 12:45:50,580 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 90 treesize of output 65 [2024-11-13 12:45:50,588 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 23 [2024-11-13 12:45:50,604 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 43 [2024-11-13 12:45:50,611 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 29 treesize of output 11 [2024-11-13 12:45:50,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:45:50,774 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 48 [2024-11-13 12:45:50,807 INFO L349 Elim1Store]: treesize reduction 12, result has 58.6 percent of original size [2024-11-13 12:45:50,808 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 25 treesize of output 29 [2024-11-13 12:45:50,822 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 35 [2024-11-13 12:45:50,846 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-13 12:45:50,964 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 54 treesize of output 41 [2024-11-13 12:45:50,970 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 35 [2024-11-13 12:45:50,998 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-11-13 12:45:51,792 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:45:51,792 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 30 [2024-11-13 12:45:52,063 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 46 treesize of output 35 [2024-11-13 12:45:52,099 INFO L349 Elim1Store]: treesize reduction 21, result has 44.7 percent of original size [2024-11-13 12:45:52,100 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 43 [2024-11-13 12:45:52,262 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:45:52,263 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:45:52,305 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 (+ |c_ULTIMATE.start_main_~bucket~0#1.offset| 4))) (and (forall ((v_ArrVal_1918 (Array Int Int))) (= (select (select (store |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_main_~bcki~0#1.base| v_ArrVal_1918) |c_ULTIMATE.start_main_~bucket~0#1.base|) .cse0) 0)) (forall ((v_ArrVal_1917 (Array Int Int))) (= (select (select (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~bcki~0#1.base| v_ArrVal_1917) |c_ULTIMATE.start_main_~bucket~0#1.base|) .cse0) 0)))) is different from false [2024-11-13 12:45:52,946 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse3 (+ |c_ULTIMATE.start_main_~bucket~0#1.offset| 4)) (.cse0 (select |c_#memory_int#1| |c_ULTIMATE.start_main_~item~0#1.base|))) (and (forall ((|ULTIMATE.start_main_~item~0#1.offset| Int) (v_ArrVal_1916 (Array Int Int)) (v_ArrVal_1915 (Array Int Int)) (v_subst_1 Int)) (let ((.cse2 (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~item~0#1.base| v_ArrVal_1916))) (or (not (= 2 (select (select (store |c_#memory_int#1| |c_ULTIMATE.start_main_~item~0#1.base| (store .cse0 (+ 4 |ULTIMATE.start_main_~item~0#1.offset|) 2)) v_subst_1) (+ (let ((.cse1 (store |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_main_~item~0#1.base| v_ArrVal_1915))) (select (select .cse1 (select (select .cse2 |c_ULTIMATE.start_main_~bucket~0#1.base|) |c_ULTIMATE.start_main_~bucket~0#1.offset|)) (select (select .cse1 |c_ULTIMATE.start_main_~bucket~0#1.base|) |c_ULTIMATE.start_main_~bucket~0#1.offset|))) 8)))) (forall ((v_ArrVal_1917 (Array Int Int))) (= (select (select (store .cse2 v_subst_1 v_ArrVal_1917) |c_ULTIMATE.start_main_~bucket~0#1.base|) .cse3) 0))))) (forall ((|ULTIMATE.start_main_~item~0#1.offset| Int) (v_ArrVal_1916 (Array Int Int)) (v_subst_2 Int) (v_ArrVal_1915 (Array Int Int))) (let ((.cse4 (store |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_main_~item~0#1.base| v_ArrVal_1915))) (or (forall ((v_ArrVal_1918 (Array Int Int))) (= (select (select (store .cse4 v_subst_2 v_ArrVal_1918) |c_ULTIMATE.start_main_~bucket~0#1.base|) .cse3) 0)) (not (= (select (select (store |c_#memory_int#1| |c_ULTIMATE.start_main_~item~0#1.base| (store .cse0 (+ 4 |ULTIMATE.start_main_~item~0#1.offset|) 2)) v_subst_2) (+ (select (select .cse4 (select (select (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~item~0#1.base| v_ArrVal_1916) |c_ULTIMATE.start_main_~bucket~0#1.base|) |c_ULTIMATE.start_main_~bucket~0#1.offset|)) (select (select .cse4 |c_ULTIMATE.start_main_~bucket~0#1.base|) |c_ULTIMATE.start_main_~bucket~0#1.offset|)) 8)) 2))))))) is different from false [2024-11-13 12:45:53,007 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:45:53,007 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 111 treesize of output 140 [2024-11-13 12:45:53,101 INFO L349 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2024-11-13 12:45:53,102 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 3 case distinctions, treesize of input 27 treesize of output 13 [2024-11-13 12:45:53,452 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:45:53,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1741282546] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:45:53,452 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:45:53,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 13, 13] total 29 [2024-11-13 12:45:53,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556823523] [2024-11-13 12:45:53,453 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:45:53,453 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-13 12:45:53,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:45:53,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-13 12:45:53,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=594, Unknown=2, NotChecked=102, Total=812 [2024-11-13 12:45:53,454 INFO L87 Difference]: Start difference. First operand 296 states and 371 transitions. Second operand has 29 states, 29 states have (on average 2.5172413793103448) internal successors, (73), 29 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:45:58,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:45:58,307 INFO L93 Difference]: Finished difference Result 558 states and 702 transitions. [2024-11-13 12:45:58,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-13 12:45:58,308 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 2.5172413793103448) internal successors, (73), 29 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2024-11-13 12:45:58,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:45:58,310 INFO L225 Difference]: With dead ends: 558 [2024-11-13 12:45:58,310 INFO L226 Difference]: Without dead ends: 411 [2024-11-13 12:45:58,315 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 40 SyntacticMatches, 3 SemanticMatches, 52 ConstructedPredicates, 2 IntricatePredicates, 4 DeprecatedPredicates, 581 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=638, Invalid=2020, Unknown=2, NotChecked=202, Total=2862 [2024-11-13 12:45:58,315 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 450 mSDsluCounter, 337 mSDsCounter, 0 mSdLazyCounter, 613 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 450 SdHoareTripleChecker+Valid, 365 SdHoareTripleChecker+Invalid, 975 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 613 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 318 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-13 12:45:58,315 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [450 Valid, 365 Invalid, 975 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 613 Invalid, 0 Unknown, 318 Unchecked, 1.7s Time] [2024-11-13 12:45:58,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2024-11-13 12:45:58,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 237. [2024-11-13 12:45:58,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 237 states, 235 states have (on average 1.225531914893617) internal successors, (288), 236 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:45:58,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 288 transitions. [2024-11-13 12:45:58,418 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 288 transitions. Word has length 29 [2024-11-13 12:45:58,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:45:58,418 INFO L471 AbstractCegarLoop]: Abstraction has 237 states and 288 transitions. [2024-11-13 12:45:58,419 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 2.5172413793103448) internal successors, (73), 29 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:45:58,419 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 288 transitions. [2024-11-13 12:45:58,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-13 12:45:58,419 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:45:58,420 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:45:58,442 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5442be25-80f0-48b4-a4fa-f402707e0194/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-13 12:45:58,620 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5442be25-80f0-48b4-a4fa-f402707e0194/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-13 12:45:58,620 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-13 12:45:58,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:45:58,621 INFO L85 PathProgramCache]: Analyzing trace with hash 1763339718, now seen corresponding path program 1 times [2024-11-13 12:45:58,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:45:58,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986613991] [2024-11-13 12:45:58,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:45:58,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:45:58,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:45:59,845 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:45:59,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:45:59,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986613991] [2024-11-13 12:45:59,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1986613991] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:45:59,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1650599435] [2024-11-13 12:45:59,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:45:59,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:45:59,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5442be25-80f0-48b4-a4fa-f402707e0194/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:45:59,850 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5442be25-80f0-48b4-a4fa-f402707e0194/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:45:59,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5442be25-80f0-48b4-a4fa-f402707e0194/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-13 12:46:00,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:00,117 INFO L255 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 12:46:00,118 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:46:00,287 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-13 12:46:00,353 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 [2024-11-13 12:46:00,377 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:46:00,377 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 12:46:00,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1650599435] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:46:00,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 12:46:00,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [12] total 18 [2024-11-13 12:46:00,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186705315] [2024-11-13 12:46:00,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:46:00,377 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 12:46:00,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:46:00,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 12:46:00,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=250, Unknown=0, NotChecked=0, Total=306 [2024-11-13 12:46:00,378 INFO L87 Difference]: Start difference. First operand 237 states and 288 transitions. Second operand has 8 states, 8 states have (on average 3.625) internal successors, (29), 8 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:46:00,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:46:00,672 INFO L93 Difference]: Finished difference Result 250 states and 304 transitions. [2024-11-13 12:46:00,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 12:46:00,672 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.625) internal successors, (29), 8 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2024-11-13 12:46:00,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:46:00,673 INFO L225 Difference]: With dead ends: 250 [2024-11-13 12:46:00,673 INFO L226 Difference]: Without dead ends: 239 [2024-11-13 12:46:00,674 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2024-11-13 12:46:00,674 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 20 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 12:46:00,674 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 118 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 12:46:00,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2024-11-13 12:46:00,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 237. [2024-11-13 12:46:00,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 237 states, 235 states have (on average 1.221276595744681) internal successors, (287), 236 states have internal predecessors, (287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:46:00,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 287 transitions. [2024-11-13 12:46:00,756 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 287 transitions. Word has length 29 [2024-11-13 12:46:00,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:46:00,756 INFO L471 AbstractCegarLoop]: Abstraction has 237 states and 287 transitions. [2024-11-13 12:46:00,756 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.625) internal successors, (29), 8 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:46:00,756 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 287 transitions. [2024-11-13 12:46:00,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-13 12:46:00,757 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:46:00,757 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:46:00,779 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5442be25-80f0-48b4-a4fa-f402707e0194/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-13 12:46:00,957 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5442be25-80f0-48b4-a4fa-f402707e0194/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-13 12:46:00,958 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-13 12:46:00,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:46:00,958 INFO L85 PathProgramCache]: Analyzing trace with hash -541905919, now seen corresponding path program 1 times [2024-11-13 12:46:00,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:46:00,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596853541] [2024-11-13 12:46:00,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:46:00,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:46:01,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:01,972 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:46:01,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:46:01,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596853541] [2024-11-13 12:46:01,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596853541] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:46:01,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [802600240] [2024-11-13 12:46:01,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:46:01,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:46:01,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5442be25-80f0-48b4-a4fa-f402707e0194/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:46:01,975 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5442be25-80f0-48b4-a4fa-f402707e0194/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:46:01,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5442be25-80f0-48b4-a4fa-f402707e0194/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-13 12:46:02,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:02,248 INFO L255 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-13 12:46:02,251 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:46:02,279 INFO L349 Elim1Store]: treesize reduction 33, result has 13.2 percent of original size [2024-11-13 12:46:02,279 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 18 [2024-11-13 12:46:02,302 INFO L349 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2024-11-13 12:46:02,303 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 18 [2024-11-13 12:46:02,457 INFO L349 Elim1Store]: treesize reduction 4, result has 91.8 percent of original size [2024-11-13 12:46:02,458 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 33 treesize of output 67 [2024-11-13 12:46:02,505 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-13 12:46:02,511 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-13 12:46:02,557 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-13 12:46:02,567 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-13 12:46:02,862 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 22 [2024-11-13 12:46:02,875 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 27 treesize of output 15 [2024-11-13 12:46:03,017 INFO L349 Elim1Store]: treesize reduction 25, result has 16.7 percent of original size [2024-11-13 12:46:03,018 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 3 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 36 [2024-11-13 12:46:03,023 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 18 [2024-11-13 12:46:03,028 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2024-11-13 12:46:03,087 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:46:03,087 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:46:03,149 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse2 (+ |c_ULTIMATE.start_main_~bcki~0#1.offset| 4))) (let ((.cse0 (select (select |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~bcki~0#1.base|) .cse2)) (.cse1 (select (select |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_main_~bcki~0#1.base|) .cse2))) (and (forall ((v_ArrVal_2257 (Array Int Int))) (= (select (select (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~bcki~0#1.base| v_ArrVal_2257) .cse0) .cse1) 0)) (forall ((v_ArrVal_2258 (Array Int Int))) (= (select (select (store |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_main_~bcki~0#1.base| v_ArrVal_2258) .cse0) .cse1) 0))))) is different from false [2024-11-13 12:46:03,251 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse5 (+ |c_ULTIMATE.start_main_~bcki~0#1.offset| 4))) (let ((.cse3 (store |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_main_~bcki~0#1.base| (store (select |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_main_~bcki~0#1.base|) .cse5 |c_ULTIMATE.start_main_~item~0#1.offset|))) (.cse0 (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~bcki~0#1.base| (store (select |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~bcki~0#1.base|) .cse5 |c_ULTIMATE.start_main_~item~0#1.base|))) (.cse4 (+ |c_ULTIMATE.start_main_~bucket~0#1.offset| 4))) (let ((.cse1 (select (select .cse0 |c_ULTIMATE.start_main_~bucket~0#1.base|) .cse4)) (.cse2 (select (select .cse3 |c_ULTIMATE.start_main_~bucket~0#1.base|) .cse4))) (and (forall ((v_ArrVal_2257 (Array Int Int))) (= (select (select (store .cse0 |c_ULTIMATE.start_main_~bucket~0#1.base| v_ArrVal_2257) .cse1) .cse2) 0)) (forall ((v_ArrVal_2258 (Array Int Int))) (= (select (select (store .cse3 |c_ULTIMATE.start_main_~bucket~0#1.base| v_ArrVal_2258) .cse1) .cse2) 0)))))) is different from false [2024-11-13 12:46:03,394 WARN L851 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_2257 (Array Int Int))) (= (select (select (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~bucket~0#1.base| v_ArrVal_2257) |c_ULTIMATE.start_main_~item~0#1.base|) |c_ULTIMATE.start_main_~item~0#1.offset|) 0)) (forall ((v_ArrVal_2258 (Array Int Int))) (= (select (select (store |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_main_~bucket~0#1.base| v_ArrVal_2258) |c_ULTIMATE.start_main_~item~0#1.base|) |c_ULTIMATE.start_main_~item~0#1.offset|) 0))) is different from false [2024-11-13 12:46:03,421 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 (+ |c_ULTIMATE.start_main_~item~0#1.offset| 4))) (and (forall ((v_ArrVal_2252 (Array Int Int))) (or (not (= v_ArrVal_2252 (store (select |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~item~0#1.base|) .cse0 (select v_ArrVal_2252 .cse0)))) (forall ((v_ArrVal_2257 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~item~0#1.base| v_ArrVal_2252) |c_ULTIMATE.start_main_~bucket~0#1.base| v_ArrVal_2257) |c_ULTIMATE.start_main_~item~0#1.base|) |c_ULTIMATE.start_main_~item~0#1.offset|) 0)))) (forall ((v_ArrVal_2251 Int) (v_ArrVal_2258 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_main_~item~0#1.base| (store (select |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_main_~item~0#1.base|) .cse0 v_ArrVal_2251)) |c_ULTIMATE.start_main_~bucket~0#1.base| v_ArrVal_2258) |c_ULTIMATE.start_main_~item~0#1.base|) |c_ULTIMATE.start_main_~item~0#1.offset|) 0)))) is different from false [2024-11-13 12:46:03,441 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:46:03,441 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 50 treesize of output 56 [2024-11-13 12:46:03,446 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 45 treesize of output 43 [2024-11-13 12:46:03,457 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:46:03,457 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 43 treesize of output 50 [2024-11-13 12:46:03,462 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 35 treesize of output 33 [2024-11-13 12:46:03,468 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 54 treesize of output 46 [2024-11-13 12:46:03,474 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 33 treesize of output 31 [2024-11-13 12:46:03,522 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:46:03,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [802600240] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:46:03,522 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:46:03,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 10] total 23 [2024-11-13 12:46:03,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579160181] [2024-11-13 12:46:03,522 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:46:03,522 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-13 12:46:03,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:46:03,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-13 12:46:03,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=282, Unknown=6, NotChecked=148, Total=506 [2024-11-13 12:46:03,523 INFO L87 Difference]: Start difference. First operand 237 states and 287 transitions. Second operand has 23 states, 23 states have (on average 3.0) internal successors, (69), 23 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:46:06,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:46:06,169 INFO L93 Difference]: Finished difference Result 385 states and 470 transitions. [2024-11-13 12:46:06,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-13 12:46:06,170 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 3.0) internal successors, (69), 23 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2024-11-13 12:46:06,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:46:06,172 INFO L225 Difference]: With dead ends: 385 [2024-11-13 12:46:06,172 INFO L226 Difference]: Without dead ends: 374 [2024-11-13 12:46:06,173 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 49 SyntacticMatches, 6 SemanticMatches, 42 ConstructedPredicates, 4 IntricatePredicates, 4 DeprecatedPredicates, 390 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=388, Invalid=1182, Unknown=6, NotChecked=316, Total=1892 [2024-11-13 12:46:06,173 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 421 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 420 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 421 SdHoareTripleChecker+Valid, 276 SdHoareTripleChecker+Invalid, 1092 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 420 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 619 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-13 12:46:06,173 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [421 Valid, 276 Invalid, 1092 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 420 Invalid, 0 Unknown, 619 Unchecked, 0.8s Time] [2024-11-13 12:46:06,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2024-11-13 12:46:06,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 255. [2024-11-13 12:46:06,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 253 states have (on average 1.225296442687747) internal successors, (310), 254 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:46:06,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 310 transitions. [2024-11-13 12:46:06,283 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 310 transitions. Word has length 29 [2024-11-13 12:46:06,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:46:06,283 INFO L471 AbstractCegarLoop]: Abstraction has 255 states and 310 transitions. [2024-11-13 12:46:06,284 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 3.0) internal successors, (69), 23 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:46:06,284 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 310 transitions. [2024-11-13 12:46:06,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 12:46:06,284 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:46:06,284 INFO L215 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:46:06,299 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5442be25-80f0-48b4-a4fa-f402707e0194/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-13 12:46:06,485 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5442be25-80f0-48b4-a4fa-f402707e0194/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-13 12:46:06,485 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-13 12:46:06,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:46:06,485 INFO L85 PathProgramCache]: Analyzing trace with hash 283896883, now seen corresponding path program 3 times [2024-11-13 12:46:06,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:46:06,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444426528] [2024-11-13 12:46:06,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:46:06,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:46:06,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:07,301 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 19 proven. 18 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 12:46:07,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:46:07,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444426528] [2024-11-13 12:46:07,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444426528] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:46:07,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [716013796] [2024-11-13 12:46:07,302 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-13 12:46:07,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:46:07,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5442be25-80f0-48b4-a4fa-f402707e0194/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:46:07,304 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5442be25-80f0-48b4-a4fa-f402707e0194/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:46:07,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5442be25-80f0-48b4-a4fa-f402707e0194/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-13 12:46:10,887 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-11-13 12:46:10,888 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 12:46:10,893 INFO L255 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 58 conjuncts are in the unsatisfiable core [2024-11-13 12:46:10,898 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:46:10,916 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 36 [2024-11-13 12:46:10,927 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 36 [2024-11-13 12:46:10,959 INFO L349 Elim1Store]: treesize reduction 62, result has 21.5 percent of original size [2024-11-13 12:46:10,959 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 85 treesize of output 84 [2024-11-13 12:46:10,973 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 31 [2024-11-13 12:46:10,986 INFO L349 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2024-11-13 12:46:10,986 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 59 treesize of output 43 [2024-11-13 12:46:11,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:46:11,002 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 41 treesize of output 45 [2024-11-13 12:46:11,007 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-13 12:46:11,021 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 23 [2024-11-13 12:46:11,038 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-13 12:46:11,286 INFO L349 Elim1Store]: treesize reduction 88, result has 14.6 percent of original size [2024-11-13 12:46:11,286 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 16 case distinctions, treesize of input 129 treesize of output 83 [2024-11-13 12:46:11,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:46:11,316 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 57 [2024-11-13 12:46:11,582 INFO L349 Elim1Store]: treesize reduction 80, result has 8.0 percent of original size [2024-11-13 12:46:11,582 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 129 treesize of output 76 [2024-11-13 12:46:11,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:46:11,590 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 61 [2024-11-13 12:46:11,816 INFO L349 Elim1Store]: treesize reduction 51, result has 1.9 percent of original size [2024-11-13 12:46:11,816 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 7 case distinctions, treesize of input 91 treesize of output 55 [2024-11-13 12:46:11,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:46:11,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:46:11,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:46:11,827 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 43 [2024-11-13 12:46:11,980 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 19 proven. 18 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 12:46:11,980 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:46:12,428 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 25 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 12:46:12,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [716013796] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:46:12,429 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:46:12,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10, 9] total 21 [2024-11-13 12:46:12,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700722816] [2024-11-13 12:46:12,429 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:46:12,429 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-13 12:46:12,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:46:12,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-13 12:46:12,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=342, Unknown=0, NotChecked=0, Total=420 [2024-11-13 12:46:12,430 INFO L87 Difference]: Start difference. First operand 255 states and 310 transitions. Second operand has 21 states, 21 states have (on average 3.0) internal successors, (63), 21 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:46:13,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:46:13,090 INFO L93 Difference]: Finished difference Result 268 states and 324 transitions. [2024-11-13 12:46:13,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 12:46:13,091 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 3.0) internal successors, (63), 21 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2024-11-13 12:46:13,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:46:13,091 INFO L225 Difference]: With dead ends: 268 [2024-11-13 12:46:13,092 INFO L226 Difference]: Without dead ends: 239 [2024-11-13 12:46:13,092 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=86, Invalid=376, Unknown=0, NotChecked=0, Total=462 [2024-11-13 12:46:13,092 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 10 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 12:46:13,092 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 241 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 12:46:13,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2024-11-13 12:46:13,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 239. [2024-11-13 12:46:13,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 237 states have (on average 1.2362869198312236) internal successors, (293), 238 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:46:13,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 293 transitions. [2024-11-13 12:46:13,190 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 293 transitions. Word has length 30 [2024-11-13 12:46:13,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:46:13,190 INFO L471 AbstractCegarLoop]: Abstraction has 239 states and 293 transitions. [2024-11-13 12:46:13,191 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 3.0) internal successors, (63), 21 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:46:13,191 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 293 transitions. [2024-11-13 12:46:13,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 12:46:13,192 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:46:13,192 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:46:13,213 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5442be25-80f0-48b4-a4fa-f402707e0194/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-13 12:46:13,396 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5442be25-80f0-48b4-a4fa-f402707e0194/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-13 12:46:13,396 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-13 12:46:13,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:46:13,396 INFO L85 PathProgramCache]: Analyzing trace with hash 1818837649, now seen corresponding path program 1 times [2024-11-13 12:46:13,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:46:13,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83732022] [2024-11-13 12:46:13,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:46:13,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:46:13,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:14,318 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:46:14,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:46:14,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83732022] [2024-11-13 12:46:14,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [83732022] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:46:14,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1841089832] [2024-11-13 12:46:14,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:46:14,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:46:14,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5442be25-80f0-48b4-a4fa-f402707e0194/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:46:14,320 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5442be25-80f0-48b4-a4fa-f402707e0194/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:46:14,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5442be25-80f0-48b4-a4fa-f402707e0194/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-13 12:46:14,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:14,592 INFO L255 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 76 conjuncts are in the unsatisfiable core [2024-11-13 12:46:14,597 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:46:14,619 WARN L214 Elim1Store]: Array PQE input equivalent to false [2024-11-13 12:46:14,623 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 27 treesize of output 16 [2024-11-13 12:46:14,640 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 32 [2024-11-13 12:46:14,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:46:14,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:46:14,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:46:14,656 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 21 [2024-11-13 12:46:14,695 INFO L349 Elim1Store]: treesize reduction 36, result has 32.1 percent of original size [2024-11-13 12:46:14,695 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 112 treesize of output 96 [2024-11-13 12:46:14,705 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 67 treesize of output 22 [2024-11-13 12:46:14,710 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2024-11-13 12:46:14,729 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-13 12:46:14,737 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 52 [2024-11-13 12:46:14,743 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 52 treesize of output 16 [2024-11-13 12:46:14,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:46:14,889 INFO L349 Elim1Store]: treesize reduction 25, result has 16.7 percent of original size [2024-11-13 12:46:14,889 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 64 treesize of output 47 [2024-11-13 12:46:14,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:46:14,914 INFO L349 Elim1Store]: treesize reduction 8, result has 61.9 percent of original size [2024-11-13 12:46:14,915 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 22 [2024-11-13 12:46:14,928 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-13 12:46:14,937 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 16 [2024-11-13 12:46:15,046 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 16 [2024-11-13 12:46:15,057 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2024-11-13 12:46:15,077 INFO L349 Elim1Store]: treesize reduction 25, result has 16.7 percent of original size [2024-11-13 12:46:15,077 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 63 treesize of output 46 [2024-11-13 12:46:15,630 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2024-11-13 12:46:16,373 INFO L349 Elim1Store]: treesize reduction 56, result has 35.6 percent of original size [2024-11-13 12:46:16,373 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 74 treesize of output 70 [2024-11-13 12:46:16,383 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2024-11-13 12:46:16,952 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:46:16,952 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:46:18,054 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:46:18,054 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 19 [2024-11-13 12:46:18,330 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:46:18,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1841089832] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 12:46:18,330 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 12:46:18,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13, 13] total 32 [2024-11-13 12:46:18,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425358479] [2024-11-13 12:46:18,330 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 12:46:18,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-11-13 12:46:18,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:46:18,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-11-13 12:46:18,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=865, Unknown=2, NotChecked=0, Total=992 [2024-11-13 12:46:18,332 INFO L87 Difference]: Start difference. First operand 239 states and 293 transitions. Second operand has 32 states, 32 states have (on average 2.375) internal successors, (76), 32 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:46:31,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:46:31,789 INFO L93 Difference]: Finished difference Result 415 states and 515 transitions. [2024-11-13 12:46:31,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-11-13 12:46:31,790 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 2.375) internal successors, (76), 32 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2024-11-13 12:46:31,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:46:31,791 INFO L225 Difference]: With dead ends: 415 [2024-11-13 12:46:31,791 INFO L226 Difference]: Without dead ends: 399 [2024-11-13 12:46:31,793 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1614 ImplicationChecksByTransitivity, 11.8s TimeCoverageRelationStatistics Valid=1069, Invalid=5249, Unknown=2, NotChecked=0, Total=6320 [2024-11-13 12:46:31,793 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 519 mSDsluCounter, 493 mSDsCounter, 0 mSdLazyCounter, 1001 mSolverCounterSat, 59 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 519 SdHoareTripleChecker+Valid, 522 SdHoareTripleChecker+Invalid, 1067 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 1001 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2024-11-13 12:46:31,794 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [519 Valid, 522 Invalid, 1067 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 1001 Invalid, 7 Unknown, 0 Unchecked, 3.4s Time] [2024-11-13 12:46:31,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2024-11-13 12:46:31,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 276. [2024-11-13 12:46:31,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276 states, 274 states have (on average 1.2554744525547445) internal successors, (344), 275 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:46:31,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 344 transitions. [2024-11-13 12:46:31,922 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 344 transitions. Word has length 30 [2024-11-13 12:46:31,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:46:31,922 INFO L471 AbstractCegarLoop]: Abstraction has 276 states and 344 transitions. [2024-11-13 12:46:31,922 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 2.375) internal successors, (76), 32 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:46:31,922 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 344 transitions. [2024-11-13 12:46:31,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 12:46:31,923 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:46:31,923 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:46:31,939 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5442be25-80f0-48b4-a4fa-f402707e0194/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-13 12:46:32,123 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5442be25-80f0-48b4-a4fa-f402707e0194/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:46:32,124 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-13 12:46:32,124 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:46:32,124 INFO L85 PathProgramCache]: Analyzing trace with hash -548487546, now seen corresponding path program 1 times [2024-11-13 12:46:32,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:46:32,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415693605] [2024-11-13 12:46:32,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:46:32,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:46:32,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:33,775 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:46:33,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:46:33,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415693605] [2024-11-13 12:46:33,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415693605] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 12:46:33,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1047068115] [2024-11-13 12:46:33,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:46:33,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:46:33,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5442be25-80f0-48b4-a4fa-f402707e0194/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:46:33,777 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5442be25-80f0-48b4-a4fa-f402707e0194/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:46:33,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5442be25-80f0-48b4-a4fa-f402707e0194/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-13 12:46:34,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:46:34,071 INFO L255 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 88 conjuncts are in the unsatisfiable core [2024-11-13 12:46:34,076 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:46:34,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:46:34,123 INFO L349 Elim1Store]: treesize reduction 31, result has 13.9 percent of original size [2024-11-13 12:46:34,124 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 30 [2024-11-13 12:46:34,131 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 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 24 treesize of output 28 [2024-11-13 12:46:34,138 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 28 [2024-11-13 12:46:34,154 INFO L349 Elim1Store]: treesize reduction 44, result has 10.2 percent of original size [2024-11-13 12:46:34,155 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 75 treesize of output 52 [2024-11-13 12:46:34,166 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 36 treesize of output 16 [2024-11-13 12:46:34,283 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-11-13 12:46:34,284 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 23 treesize of output 20 [2024-11-13 12:46:34,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:46:34,301 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 30 [2024-11-13 12:46:34,334 INFO L349 Elim1Store]: treesize reduction 12, result has 58.6 percent of original size [2024-11-13 12:46:34,334 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 25 treesize of output 29 [2024-11-13 12:46:34,417 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-13 12:46:34,427 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 32 treesize of output 23 [2024-11-13 12:46:34,439 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 16 [2024-11-13 12:46:35,249 INFO L349 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2024-11-13 12:46:35,249 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 143 treesize of output 96 [2024-11-13 12:46:35,257 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 33 [2024-11-13 12:46:35,267 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2024-11-13 12:46:35,530 INFO L349 Elim1Store]: treesize reduction 29, result has 19.4 percent of original size [2024-11-13 12:46:35,530 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 96 treesize of output 54 [2024-11-13 12:46:35,543 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 33 [2024-11-13 12:46:35,553 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 28 [2024-11-13 12:46:35,842 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-11-13 12:46:35,843 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 88 treesize of output 46 [2024-11-13 12:46:35,849 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-13 12:46:35,857 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2024-11-13 12:46:36,044 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:46:36,044 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 12:46:36,140 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2838 (Array Int Int))) (let ((.cse0 (+ |c_ULTIMATE.start_main_~bcki~0#1.offset| 4))) (or (= (select (select (store |c_#memory_int#1| |c_ULTIMATE.start_main_~bcki~0#1.base| v_ArrVal_2838) (select (select |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~bcki~0#1.base|) .cse0)) (+ (select (select |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_main_~bcki~0#1.base|) .cse0) 4)) (select v_ArrVal_2838 (+ |c_ULTIMATE.start_main_~bcki~0#1.offset| 8))) (not (= (store (select |c_#memory_int#1| |c_ULTIMATE.start_main_~bcki~0#1.base|) .cse0 (select v_ArrVal_2838 .cse0)) v_ArrVal_2838))))) is different from false [2024-11-13 12:46:36,154 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2838 (Array Int Int))) (let ((.cse0 (select (select |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_main_~bcki~0#1.base|) |c_ULTIMATE.start_main_~bcki~0#1.offset|))) (let ((.cse1 (select (select |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~bcki~0#1.base|) |c_ULTIMATE.start_main_~bcki~0#1.offset|)) (.cse2 (+ .cse0 4))) (or (= (select v_ArrVal_2838 (+ 8 .cse0)) (select (select (store |c_#memory_int#1| .cse1 v_ArrVal_2838) (select (select |c_#memory_$Pointer$#1.base| .cse1) .cse2)) (+ (select (select |c_#memory_$Pointer$#1.offset| .cse1) .cse2) 4))) (not (= v_ArrVal_2838 (store (select |c_#memory_int#1| .cse1) .cse2 (select v_ArrVal_2838 .cse2)))))))) is different from false [2024-11-13 12:46:36,200 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2835 (Array Int Int)) (v_ArrVal_2837 Int) (v_ArrVal_2834 Int) (v_ArrVal_2838 (Array Int Int))) (let ((.cse5 (select |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_main_~bcki~0#1.base|))) (let ((.cse6 (select .cse5 |c_ULTIMATE.start_main_~bcki~0#1.offset|)) (.cse3 (select |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~bcki~0#1.base|))) (let ((.cse0 (store |c_#memory_int#1| |c_ULTIMATE.start_main_~bcki~0#1.base| v_ArrVal_2835)) (.cse1 (select .cse3 |c_ULTIMATE.start_main_~bcki~0#1.offset|)) (.cse2 (+ .cse6 4))) (or (not (= (store (select .cse0 .cse1) .cse2 (select v_ArrVal_2838 .cse2)) v_ArrVal_2838)) (= (let ((.cse4 (+ |c_ULTIMATE.start_main_~bcki~0#1.offset| 4))) (select (select (store .cse0 .cse1 v_ArrVal_2838) (select (select (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~bcki~0#1.base| (store .cse3 .cse4 v_ArrVal_2834)) .cse1) .cse2)) (+ (select (select (store |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_main_~bcki~0#1.base| (store .cse5 .cse4 v_ArrVal_2837)) .cse1) .cse2) 4))) (select v_ArrVal_2838 (+ 8 .cse6)))))))) is different from false [2024-11-13 12:46:36,222 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2835 (Array Int Int)) (v_ArrVal_2837 Int) (v_ArrVal_2834 Int) (v_ArrVal_2838 (Array Int Int))) (let ((.cse6 (select |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_main_~bucket~0#1.base|))) (let ((.cse0 (select .cse6 |c_ULTIMATE.start_main_~bucket~0#1.offset|)) (.cse3 (select |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~bucket~0#1.base|))) (let ((.cse1 (store |c_#memory_int#1| |c_ULTIMATE.start_main_~bucket~0#1.base| v_ArrVal_2835)) (.cse2 (select .cse3 |c_ULTIMATE.start_main_~bucket~0#1.offset|)) (.cse5 (+ .cse0 4))) (or (= (select v_ArrVal_2838 (+ .cse0 8)) (let ((.cse4 (+ |c_ULTIMATE.start_main_~bucket~0#1.offset| 4))) (select (select (store .cse1 .cse2 v_ArrVal_2838) (select (select (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~bucket~0#1.base| (store .cse3 .cse4 v_ArrVal_2834)) .cse2) .cse5)) (+ (select (select (store |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_main_~bucket~0#1.base| (store .cse6 .cse4 v_ArrVal_2837)) .cse2) .cse5) 4)))) (not (= v_ArrVal_2838 (store (select .cse1 .cse2) .cse5 (select v_ArrVal_2838 .cse5))))))))) is different from false [2024-11-13 12:46:36,295 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2835 (Array Int Int)) (v_ArrVal_2837 Int) (v_ArrVal_2828 Int) (v_ArrVal_2834 Int) (v_ArrVal_2838 (Array Int Int))) (let ((.cse9 (+ |c_ULTIMATE.start_main_~bcki~0#1.offset| 4))) (let ((.cse7 (store |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_main_~bcki~0#1.base| (store (select |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_main_~bcki~0#1.base|) .cse9 |c_ULTIMATE.start_main_~item~0#1.offset|)))) (let ((.cse4 (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~bcki~0#1.base| (store (select |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~bcki~0#1.base|) .cse9 |c_ULTIMATE.start_main_~item~0#1.base|))) (.cse8 (select .cse7 |c_ULTIMATE.start_main_~bucket~0#1.base|))) (let ((.cse3 (select .cse8 |c_ULTIMATE.start_main_~bucket~0#1.offset|)) (.cse5 (select .cse4 |c_ULTIMATE.start_main_~bucket~0#1.base|))) (let ((.cse0 (store (store |c_#memory_int#1| |c_ULTIMATE.start_main_~bcki~0#1.base| (store (select |c_#memory_int#1| |c_ULTIMATE.start_main_~bcki~0#1.base|) .cse9 v_ArrVal_2828)) |c_ULTIMATE.start_main_~bucket~0#1.base| v_ArrVal_2835)) (.cse1 (select .cse5 |c_ULTIMATE.start_main_~bucket~0#1.offset|)) (.cse2 (+ .cse3 4))) (or (not (= v_ArrVal_2838 (store (select .cse0 .cse1) .cse2 (select v_ArrVal_2838 .cse2)))) (= (select v_ArrVal_2838 (+ .cse3 8)) (let ((.cse6 (+ |c_ULTIMATE.start_main_~bucket~0#1.offset| 4))) (select (select (store .cse0 .cse1 v_ArrVal_2838) (select (select (store .cse4 |c_ULTIMATE.start_main_~bucket~0#1.base| (store .cse5 .cse6 v_ArrVal_2834)) .cse1) .cse2)) (+ (select (select (store .cse7 |c_ULTIMATE.start_main_~bucket~0#1.base| (store .cse8 .cse6 v_ArrVal_2837)) .cse1) .cse2) 4))))))))))) is different from false [2024-11-13 12:46:37,826 INFO L349 Elim1Store]: treesize reduction 78, result has 58.3 percent of original size [2024-11-13 12:46:37,827 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 763 treesize of output 749 [2024-11-13 12:46:37,985 INFO L349 Elim1Store]: treesize reduction 236, result has 66.7 percent of original size [2024-11-13 12:46:37,985 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 2705 treesize of output 2949 [2024-11-13 12:46:38,081 INFO L349 Elim1Store]: treesize reduction 442, result has 52.7 percent of original size [2024-11-13 12:46:38,082 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 1343 treesize of output 1568 [2024-11-13 12:46:38,274 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 4 [2024-11-13 12:46:38,418 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2024-11-13 12:46:38,495 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:46:38,495 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 1596 treesize of output 1596 [2024-11-13 12:46:38,824 INFO L349 Elim1Store]: treesize reduction 212, result has 52.7 percent of original size [2024-11-13 12:46:38,825 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 731 treesize of output 860 [2024-11-13 12:46:39,126 INFO L349 Elim1Store]: treesize reduction 58, result has 53.6 percent of original size [2024-11-13 12:46:39,126 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 387 treesize of output 378 [2024-11-13 12:46:39,255 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 12:46:39,271 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:46:39,272 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 655 treesize of output 662 [2024-11-13 12:46:39,300 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 12:46:39,300 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 162 treesize of output 106 [2024-11-13 12:46:39,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:46:39,634 INFO L349 Elim1Store]: treesize reduction 93, result has 1.1 percent of original size [2024-11-13 12:46:39,634 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 664 treesize of output 569 [2024-11-13 12:46:40,158 INFO L349 Elim1Store]: treesize reduction 1703, result has 30.4 percent of original size [2024-11-13 12:46:40,158 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 2455 treesize of output 2994 [2024-11-13 12:47:20,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:47:20,310 INFO L349 Elim1Store]: treesize reduction 189, result has 51.2 percent of original size [2024-11-13 12:47:20,310 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 208 treesize of output 214 [2024-11-13 12:47:20,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:47:20,367 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 68 [2024-11-13 12:47:20,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:47:20,381 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2024-11-13 12:47:20,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:47:20,509 INFO L349 Elim1Store]: treesize reduction 189, result has 51.2 percent of original size [2024-11-13 12:47:20,509 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 477 treesize of output 307 [2024-11-13 12:47:20,518 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 12:47:20,573 INFO L349 Elim1Store]: treesize reduction 5, result has 98.8 percent of original size [2024-11-13 12:47:20,573 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 478 treesize of output 602 [2024-11-13 12:47:20,631 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 12:47:20,637 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:47:20,637 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 168 treesize of output 155 [2024-11-13 12:47:20,664 INFO L349 Elim1Store]: treesize reduction 5, result has 96.5 percent of original size [2024-11-13 12:47:20,664 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 142 treesize of output 140 [2024-11-13 12:47:20,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:47:20,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:47:20,715 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 259 treesize of output 71 [2024-11-13 12:47:20,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:47:20,730 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2024-11-13 12:47:20,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:47:20,816 INFO L349 Elim1Store]: treesize reduction 5, result has 98.9 percent of original size [2024-11-13 12:47:20,816 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 341 treesize of output 510 [2024-11-13 12:47:20,841 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2024-11-13 12:47:20,841 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 336 treesize of output 321 [2024-11-13 12:47:20,899 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 12:47:20,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:47:20,903 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 273 treesize of output 213 [2024-11-13 12:47:20,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:47:20,915 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 12:47:20,915 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 24 treesize of output 9 [2024-11-13 12:47:20,959 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 12:47:20,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:47:20,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:47:20,965 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 341 treesize of output 71 [2024-11-13 12:47:20,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:47:20,978 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2024-11-13 12:47:21,145 INFO L349 Elim1Store]: treesize reduction 185, result has 74.5 percent of original size [2024-11-13 12:47:21,145 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 845 treesize of output 1024 [2024-11-13 12:47:21,179 INFO L349 Elim1Store]: treesize reduction 179, result has 0.6 percent of original size [2024-11-13 12:47:21,180 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 835 treesize of output 299 [2024-11-13 12:47:21,439 INFO L349 Elim1Store]: treesize reduction 10, result has 98.6 percent of original size [2024-11-13 12:47:21,440 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 389 treesize of output 788 [2024-11-13 12:47:21,499 INFO L349 Elim1Store]: treesize reduction 207, result has 46.5 percent of original size [2024-11-13 12:47:21,499 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 528 treesize of output 513 [2024-11-13 12:47:21,591 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 12:47:21,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:47:21,594 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 72 [2024-11-13 12:47:21,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:47:21,615 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2024-11-13 12:47:21,651 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 12:47:21,652 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 12:47:21,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:47:21,662 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 12:47:21,683 INFO L349 Elim1Store]: treesize reduction 5, result has 96.5 percent of original size [2024-11-13 12:47:21,683 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 401 treesize of output 345 [2024-11-13 12:47:21,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:47:21,701 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2024-11-13 12:47:21,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:47:21,772 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 12:47:21,773 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 259 treesize of output 206 [2024-11-13 12:47:21,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:47:21,790 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2024-11-13 12:47:21,960 INFO L349 Elim1Store]: treesize reduction 250, result has 65.1 percent of original size [2024-11-13 12:47:21,961 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 545 treesize of output 771 [2024-11-13 12:47:22,018 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 12:47:22,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:47:22,022 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 12:47:22,046 INFO L349 Elim1Store]: treesize reduction 5, result has 97.8 percent of original size [2024-11-13 12:47:22,047 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 565 treesize of output 468 [2024-11-13 12:47:22,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:47:22,061 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2024-11-13 12:47:22,124 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 12:47:22,127 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 12:47:22,132 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 12:47:22,295 INFO L349 Elim1Store]: treesize reduction 5, result has 99.4 percent of original size [2024-11-13 12:47:22,295 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 777 treesize of output 1262 [2024-11-13 12:47:22,314 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 12:47:22,357 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:47:22,358 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 945 treesize of output 767 [2024-11-13 12:47:22,602 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 12:47:22,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:47:22,662 INFO L349 Elim1Store]: treesize reduction 5, result has 98.9 percent of original size [2024-11-13 12:47:22,663 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 389 treesize of output 513 [2024-11-13 12:47:22,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:47:22,746 INFO L349 Elim1Store]: treesize reduction 189, result has 51.2 percent of original size [2024-11-13 12:47:22,746 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 429 treesize of output 431 [2024-11-13 12:47:22,823 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 12:47:22,830 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:47:22,830 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 28 [2024-11-13 12:47:22,842 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 4 [2024-11-13 12:47:22,881 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 12:47:22,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:47:22,940 INFO L349 Elim1Store]: treesize reduction 5, result has 98.9 percent of original size [2024-11-13 12:47:22,940 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 341 treesize of output 510 [2024-11-13 12:47:22,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:47:23,014 INFO L349 Elim1Store]: treesize reduction 189, result has 51.2 percent of original size [2024-11-13 12:47:23,015 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 429 treesize of output 431 [2024-11-13 12:47:23,083 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 12:47:23,116 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:47:23,117 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 392 treesize of output 407 [2024-11-13 12:47:23,141 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 12:47:23,231 INFO L349 Elim1Store]: treesize reduction 5, result has 99.1 percent of original size [2024-11-13 12:47:23,232 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 388 treesize of output 612 [2024-11-13 12:47:23,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:47:23,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:47:23,498 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 12:47:23,498 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 199 treesize of output 11 [2024-11-13 12:47:23,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:47:23,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:47:23,552 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 259 treesize of output 71 [2024-11-13 12:47:23,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:47:23,568 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 12:47:23,568 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 24 treesize of output 9 [2024-11-13 12:47:23,631 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 12:47:23,632 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 377 treesize of output 197 [2024-11-13 12:47:23,690 INFO L349 Elim1Store]: treesize reduction 5, result has 98.9 percent of original size [2024-11-13 12:47:23,690 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 319 treesize of output 492 [2024-11-13 12:47:23,748 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 12:47:23,750 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 12:47:23,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:47:23,762 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 12:47:23,791 INFO L349 Elim1Store]: treesize reduction 5, result has 96.5 percent of original size [2024-11-13 12:47:23,791 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 259 treesize of output 207 [2024-11-13 12:47:23,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:47:23,805 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2024-11-13 12:47:23,992 INFO L349 Elim1Store]: treesize reduction 10, result has 98.6 percent of original size [2024-11-13 12:47:23,992 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 960 treesize of output 1269 [2024-11-13 12:47:24,076 INFO L349 Elim1Store]: treesize reduction 207, result has 46.5 percent of original size [2024-11-13 12:47:24,076 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 907 treesize of output 705 [2024-11-13 12:47:24,214 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 12:47:24,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:47:24,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:47:24,219 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 341 treesize of output 71 [2024-11-13 12:47:24,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:47:24,250 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:47:24,250 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 24 treesize of output 26 [2024-11-13 12:47:24,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:47:24,304 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 12:47:24,360 INFO L349 Elim1Store]: treesize reduction 5, result has 98.3 percent of original size [2024-11-13 12:47:24,360 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 1111 treesize of output 1206 [2024-11-13 12:47:24,452 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 12:47:24,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:47:24,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:47:24,458 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 341 treesize of output 71 [2024-11-13 12:47:24,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:47:24,474 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 12:47:24,475 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 24 treesize of output 9 [2024-11-13 12:47:24,674 INFO L349 Elim1Store]: treesize reduction 5, result has 99.3 percent of original size [2024-11-13 12:47:24,674 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 341 treesize of output 790 [2024-11-13 12:47:24,752 INFO L349 Elim1Store]: treesize reduction 189, result has 51.2 percent of original size [2024-11-13 12:47:24,752 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 583 treesize of output 581 [2024-11-13 12:47:25,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:47:25,063 INFO L349 Elim1Store]: treesize reduction 5, result has 98.9 percent of original size [2024-11-13 12:47:25,064 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 604 treesize of output 638 [2024-11-13 12:47:25,096 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2024-11-13 12:47:25,097 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 443 treesize of output 417 [2024-11-13 12:47:25,196 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:47:25,196 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 341 treesize of output 347 [2024-11-13 12:47:25,211 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 12:47:25,212 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 383 treesize of output 199 [2024-11-13 12:47:25,281 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 12:47:25,286 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 12:47:25,389 INFO L349 Elim1Store]: treesize reduction 192, result has 64.3 percent of original size [2024-11-13 12:47:25,389 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 273 treesize of output 416 [2024-11-13 12:47:25,403 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 12:47:25,404 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 314 treesize of output 295 [2024-11-13 12:47:25,591 INFO L349 Elim1Store]: treesize reduction 5, result has 99.3 percent of original size [2024-11-13 12:47:25,591 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 341 treesize of output 790 [2024-11-13 12:47:25,668 INFO L349 Elim1Store]: treesize reduction 189, result has 51.2 percent of original size [2024-11-13 12:47:25,669 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 583 treesize of output 581 [2024-11-13 12:47:25,862 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 12:47:25,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:47:25,921 INFO L349 Elim1Store]: treesize reduction 5, result has 98.9 percent of original size [2024-11-13 12:47:25,921 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 565 treesize of output 689 [2024-11-13 12:47:25,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:47:25,935 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 234 treesize of output 226 [2024-11-13 12:47:25,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:47:25,994 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 12:47:25,994 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 57 treesize of output 8 [2024-11-13 12:47:26,060 INFO L349 Elim1Store]: treesize reduction 5, result has 97.2 percent of original size [2024-11-13 12:47:26,060 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 193 treesize of output 188 [2024-11-13 12:47:26,069 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 14 treesize of output 3 [2024-11-13 12:47:26,112 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 12:47:26,113 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 12:47:26,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:47:26,121 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 12:47:26,140 INFO L349 Elim1Store]: treesize reduction 5, result has 96.5 percent of original size [2024-11-13 12:47:26,141 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 259 treesize of output 207 [2024-11-13 12:47:26,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:47:26,154 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2024-11-13 12:47:26,210 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 12:47:26,241 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:47:26,241 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 392 treesize of output 407 [2024-11-13 12:47:26,258 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 12:47:26,347 INFO L349 Elim1Store]: treesize reduction 5, result has 99.1 percent of original size [2024-11-13 12:47:26,347 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 388 treesize of output 612 [2024-11-13 12:47:26,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:47:26,497 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 12:47:26,497 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 259 treesize of output 206 [2024-11-13 12:47:26,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:47:26,530 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:47:26,531 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 24 treesize of output 26 [2024-11-13 12:47:26,571 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 12:47:26,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:47:26,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:47:26,577 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 341 treesize of output 71 [2024-11-13 12:47:26,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:47:26,602 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:47:26,602 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 24 treesize of output 26 [2024-11-13 12:47:26,759 INFO L349 Elim1Store]: treesize reduction 185, result has 74.5 percent of original size [2024-11-13 12:47:26,759 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 341 treesize of output 610 [2024-11-13 12:47:26,785 INFO L349 Elim1Store]: treesize reduction 179, result has 0.6 percent of original size [2024-11-13 12:47:26,785 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 384 treesize of output 200 [2024-11-13 12:47:26,986 INFO L349 Elim1Store]: treesize reduction 282, result has 3.1 percent of original size [2024-11-13 12:47:26,986 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 989 treesize of output 899 [2024-11-13 12:47:26,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:47:27,068 INFO L349 Elim1Store]: treesize reduction 189, result has 51.2 percent of original size [2024-11-13 12:47:27,068 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 204 treesize of output 210 [2024-11-13 12:47:27,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:47:27,132 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:47:27,132 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 189 treesize of output 189 [2024-11-13 12:47:27,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:47:27,187 INFO L349 Elim1Store]: treesize reduction 50, result has 2.0 percent of original size [2024-11-13 12:47:27,187 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 147 treesize of output 98 [2024-11-13 12:47:27,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:47:27,231 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 12:47:27,293 INFO L349 Elim1Store]: treesize reduction 5, result has 98.8 percent of original size [2024-11-13 12:47:27,293 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 237 treesize of output 410 [2024-11-13 12:47:27,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:47:27,359 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 12:47:27,444 INFO L349 Elim1Store]: treesize reduction 674, result has 34.9 percent of original size [2024-11-13 12:47:27,444 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 372 treesize of output 373 [2024-11-13 12:47:27,491 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 12:47:27,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:47:27,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:47:27,499 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 341 treesize of output 71 [2024-11-13 12:47:27,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:47:27,511 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 12:47:27,512 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 24 treesize of output 9 [2024-11-13 12:47:27,568 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 12:47:27,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:47:27,641 INFO L349 Elim1Store]: treesize reduction 5, result has 98.5 percent of original size [2024-11-13 12:47:27,641 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 429 treesize of output 553 [2024-11-13 12:47:27,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:47:27,655 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 12:47:27,655 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 215 treesize of output 196 [2024-11-13 12:47:27,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:47:27,771 INFO L349 Elim1Store]: treesize reduction 5, result has 98.9 percent of original size [2024-11-13 12:47:27,771 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 341 treesize of output 510 [2024-11-13 12:47:27,802 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2024-11-13 12:47:27,802 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 336 treesize of output 321 [2024-11-13 12:47:27,863 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 12:47:27,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:47:27,867 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 341 treesize of output 247 [2024-11-13 12:47:27,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:47:27,885 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2024-11-13 12:47:27,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:47:27,953 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 12:47:28,010 INFO L349 Elim1Store]: treesize reduction 5, result has 98.4 percent of original size [2024-11-13 12:47:28,010 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 266 treesize of output 390 [2024-11-13 12:47:28,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:47:28,112 INFO L349 Elim1Store]: treesize reduction 189, result has 51.2 percent of original size [2024-11-13 12:47:28,112 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 388 treesize of output 390 [2024-11-13 12:47:28,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:47:28,171 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 68 [2024-11-13 12:47:28,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:47:28,201 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:47:28,201 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 24 treesize of output 26 [2024-11-13 12:47:28,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:47:28,248 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 68 [2024-11-13 12:47:28,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:47:28,262 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 12:47:28,262 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 24 treesize of output 9 [2024-11-13 12:47:28,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:47:28,309 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 12:47:28,342 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:47:28,342 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 301 treesize of output 316 [2024-11-13 12:47:28,353 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 12:47:28,354 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 12:47:28,374 INFO L349 Elim1Store]: treesize reduction 5, result has 97.8 percent of original size [2024-11-13 12:47:28,374 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 294 treesize of output 242 [2024-11-13 12:47:28,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:47:28,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:47:28,442 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 266 treesize of output 74 [2024-11-13 12:47:28,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:47:28,471 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:47:28,471 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 24 treesize of output 26 [2024-11-13 12:47:28,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:47:28,518 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 12:47:28,553 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:47:28,553 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 301 treesize of output 316 [2024-11-13 12:47:28,566 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 12:47:28,567 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 12:47:28,592 INFO L349 Elim1Store]: treesize reduction 5, result has 97.8 percent of original size [2024-11-13 12:47:28,592 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 294 treesize of output 242 [2024-11-13 12:47:28,649 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 12:47:28,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:47:28,654 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 12:47:28,669 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:47:28,669 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 273 treesize of output 258 [2024-11-13 12:47:28,684 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 12:47:28,685 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 302 treesize of output 287 [2024-11-13 12:47:28,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:47:28,758 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 68 [2024-11-13 12:47:28,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:47:28,776 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2024-11-13 12:47:28,864 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:47:28,864 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 333 treesize of output 333 [2024-11-13 12:47:28,876 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 12:47:28,880 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 12:47:28,984 INFO L349 Elim1Store]: treesize reduction 5, result has 99.1 percent of original size [2024-11-13 12:47:28,985 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 449 treesize of output 768 [2024-11-13 12:47:29,072 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 12:47:29,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:47:29,135 INFO L349 Elim1Store]: treesize reduction 1070, result has 15.5 percent of original size [2024-11-13 12:47:29,135 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 356 treesize of output 256 [2024-11-13 12:47:29,223 INFO L349 Elim1Store]: treesize reduction 5, result has 98.9 percent of original size [2024-11-13 12:47:29,223 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 240 treesize of output 471 [2024-11-13 12:47:29,300 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 12:47:29,388 INFO L349 Elim1Store]: treesize reduction 5, result has 99.1 percent of original size [2024-11-13 12:47:29,388 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 341 treesize of output 610 [2024-11-13 12:47:29,415 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:47:29,415 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 219 treesize of output 217 [2024-11-13 12:47:29,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:47:29,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:47:29,674 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 12:47:29,715 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:47:29,715 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 76 treesize of output 89 [2024-11-13 12:47:29,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:47:29,811 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 12:47:29,871 INFO L349 Elim1Store]: treesize reduction 5, result has 98.4 percent of original size [2024-11-13 12:47:29,871 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 266 treesize of output 390 [2024-11-13 12:47:29,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:47:29,907 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:47:29,907 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 373 treesize of output 369 [2024-11-13 12:47:29,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:47:29,967 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 12:47:29,967 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 12:47:29,981 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:47:29,981 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 287 treesize of output 261 [2024-11-13 12:47:29,992 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 287 treesize of output 283 [2024-11-13 12:47:30,613 INFO L349 Elim1Store]: treesize reduction 5852, result has 7.6 percent of original size [2024-11-13 12:47:30,614 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 17 case distinctions, treesize of input 889 treesize of output 998 [2024-11-13 12:47:31,134 INFO L349 Elim1Store]: treesize reduction 2885, result has 6.7 percent of original size [2024-11-13 12:47:31,134 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 15 case distinctions, treesize of input 970 treesize of output 833 [2024-11-13 12:47:31,194 INFO L349 Elim1Store]: treesize reduction 199, result has 57.6 percent of original size [2024-11-13 12:47:31,194 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 244 treesize of output 281 [2024-11-13 12:47:31,248 INFO L349 Elim1Store]: treesize reduction 5, result has 97.3 percent of original size [2024-11-13 12:47:31,248 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 188 treesize of output 185 [2024-11-13 12:47:31,295 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:47:31,295 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 918 treesize of output 917 [2024-11-13 12:47:31,382 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-13 12:47:31,532 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-11-13 12:47:31,545 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 12:47:31,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:47:31,567 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:47:31,567 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 489 treesize of output 350 [2024-11-13 12:47:31,583 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 321 treesize of output 317 [2024-11-13 12:47:31,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:47:31,648 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 12:47:31,697 INFO L349 Elim1Store]: treesize reduction 5, result has 98.4 percent of original size [2024-11-13 12:47:31,698 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 266 treesize of output 390 [2024-11-13 12:47:31,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:47:31,728 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:47:31,728 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 373 treesize of output 369 [2024-11-13 12:47:31,769 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 12:47:31,770 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 12:47:31,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:47:31,776 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 12:47:31,794 INFO L349 Elim1Store]: treesize reduction 5, result has 96.5 percent of original size [2024-11-13 12:47:31,795 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 401 treesize of output 345 [2024-11-13 12:47:31,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 12:47:31,810 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2024-11-13 12:47:31,850 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-13 12:47:31,857 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 4 [2024-11-13 12:47:31,905 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 12:47:31,905 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 1728 treesize of output 1727 [2024-11-13 12:47:32,039 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-13 12:47:32,095 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-13 12:47:35,558 INFO L349 Elim1Store]: treesize reduction 546, result has 86.4 percent of original size [2024-11-13 12:47:35,559 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 1430 treesize of output 4243