./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb9933f4-db3b-486b-9eb7-b119f28a441a/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb9933f4-db3b-486b-9eb7-b119f28a441a/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb9933f4-db3b-486b-9eb7-b119f28a441a/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb9933f4-db3b-486b-9eb7-b119f28a441a/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb9933f4-db3b-486b-9eb7-b119f28a441a/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-MemCleanup-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb9933f4-db3b-486b-9eb7-b119f28a441a/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1ccd4b93de7420a1f7847638daedeeee3b82eb082e434a23182d7e5e0aee2085 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 05:12:41,865 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 05:12:41,926 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb9933f4-db3b-486b-9eb7-b119f28a441a/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2024-11-28 05:12:41,931 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 05:12:41,932 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 05:12:41,957 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 05:12:41,958 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 05:12:41,958 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 05:12:41,958 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 05:12:41,958 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 05:12:41,959 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 05:12:41,959 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 05:12:41,959 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 05:12:41,959 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 05:12:41,959 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 05:12:41,960 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 05:12:41,960 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 05:12:41,960 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 05:12:41,960 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 05:12:41,960 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 05:12:41,960 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 05:12:41,960 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 05:12:41,960 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-28 05:12:41,960 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-28 05:12:41,960 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 05:12:41,961 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 05:12:41,961 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 05:12:41,961 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 05:12:41,961 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 05:12:41,961 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 05:12:41,961 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 05:12:41,961 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 05:12:41,961 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 05:12:41,961 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:12:41,961 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:12:41,961 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:12:41,962 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:12:41,962 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 05:12:41,962 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:12:41,962 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:12:41,962 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:12:41,962 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:12:41,962 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 05:12:41,962 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 05:12:41,962 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 05:12:41,962 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 05:12:41,963 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 05:12:41,963 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 05:12:41,963 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 05:12:41,963 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 05:12:41,963 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_cb9933f4-db3b-486b-9eb7-b119f28a441a/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) 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 -> 1ccd4b93de7420a1f7847638daedeeee3b82eb082e434a23182d7e5e0aee2085 [2024-11-28 05:12:42,260 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 05:12:42,275 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 05:12:42,278 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 05:12:42,279 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 05:12:42,280 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 05:12:42,281 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb9933f4-db3b-486b-9eb7-b119f28a441a/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-1.i [2024-11-28 05:12:45,327 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb9933f4-db3b-486b-9eb7-b119f28a441a/bin/uautomizer-verify-aQ6SnzHsRB/data/d527912d5/16cbf50487074a91a36e83a06a4ca176/FLAGda31c9c41 [2024-11-28 05:12:45,870 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 05:12:45,871 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb9933f4-db3b-486b-9eb7-b119f28a441a/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-1.i [2024-11-28 05:12:45,898 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb9933f4-db3b-486b-9eb7-b119f28a441a/bin/uautomizer-verify-aQ6SnzHsRB/data/d527912d5/16cbf50487074a91a36e83a06a4ca176/FLAGda31c9c41 [2024-11-28 05:12:46,420 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb9933f4-db3b-486b-9eb7-b119f28a441a/bin/uautomizer-verify-aQ6SnzHsRB/data/d527912d5/16cbf50487074a91a36e83a06a4ca176 [2024-11-28 05:12:46,425 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 05:12:46,427 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 05:12:46,430 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 05:12:46,431 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 05:12:46,440 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 05:12:46,445 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:12:46" (1/1) ... [2024-11-28 05:12:46,446 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71127c04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:12:46, skipping insertion in model container [2024-11-28 05:12:46,446 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:12:46" (1/1) ... [2024-11-28 05:12:46,509 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 05:12:46,985 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 05:12:47,038 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 05:12:47,044 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 05:12:47,051 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 05:12:47,058 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 05:12:47,095 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 05:12:47,095 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 05:12:47,099 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 05:12:47,099 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-28 05:12:47,107 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:12:47,121 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 05:12:47,272 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:12:47,318 INFO L204 MainTranslator]: Completed translation [2024-11-28 05:12:47,319 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:12:47 WrapperNode [2024-11-28 05:12:47,319 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 05:12:47,320 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 05:12:47,321 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 05:12:47,321 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 05:12:47,333 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:12:47" (1/1) ... [2024-11-28 05:12:47,358 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:12:47" (1/1) ... [2024-11-28 05:12:47,441 INFO L138 Inliner]: procedures = 208, calls = 229, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1272 [2024-11-28 05:12:47,441 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 05:12:47,442 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 05:12:47,442 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 05:12:47,442 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 05:12:47,451 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:12:47" (1/1) ... [2024-11-28 05:12:47,455 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:12:47" (1/1) ... [2024-11-28 05:12:47,471 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:12:47" (1/1) ... [2024-11-28 05:12:47,543 INFO L175 MemorySlicer]: Split 208 memory accesses to 3 slices as follows [2, 34, 172]. 83 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 46 writes are split as follows [0, 4, 42]. [2024-11-28 05:12:47,543 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:12:47" (1/1) ... [2024-11-28 05:12:47,543 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:12:47" (1/1) ... [2024-11-28 05:12:47,583 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:12:47" (1/1) ... [2024-11-28 05:12:47,585 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:12:47" (1/1) ... [2024-11-28 05:12:47,609 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:12:47" (1/1) ... [2024-11-28 05:12:47,617 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:12:47" (1/1) ... [2024-11-28 05:12:47,626 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:12:47" (1/1) ... [2024-11-28 05:12:47,648 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 05:12:47,649 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 05:12:47,650 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 05:12:47,650 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 05:12:47,651 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:12:47" (1/1) ... [2024-11-28 05:12:47,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:12:47,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb9933f4-db3b-486b-9eb7-b119f28a441a/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:12:47,718 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb9933f4-db3b-486b-9eb7-b119f28a441a/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 05:12:47,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb9933f4-db3b-486b-9eb7-b119f28a441a/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 05:12:47,750 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-28 05:12:47,750 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-28 05:12:47,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-28 05:12:47,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-28 05:12:47,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-28 05:12:47,750 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-28 05:12:47,750 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-28 05:12:47,751 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-28 05:12:47,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 05:12:47,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-28 05:12:47,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-28 05:12:47,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-28 05:12:47,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 05:12:47,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 05:12:47,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 05:12:47,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-28 05:12:47,751 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-28 05:12:47,751 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-28 05:12:47,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 05:12:47,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 05:12:47,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-28 05:12:47,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-28 05:12:47,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 05:12:47,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-28 05:12:47,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-28 05:12:47,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-28 05:12:47,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 05:12:47,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 05:12:47,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 05:12:47,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 05:12:47,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 05:12:48,048 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 05:12:48,050 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 05:12:49,981 INFO L? ?]: Removed 304 outVars from TransFormulas that were not future-live. [2024-11-28 05:12:49,981 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 05:12:50,009 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 05:12:50,009 INFO L312 CfgBuilder]: Removed 31 assume(true) statements. [2024-11-28 05:12:50,010 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:12:50 BoogieIcfgContainer [2024-11-28 05:12:50,010 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 05:12:50,012 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 05:12:50,012 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 05:12:50,017 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 05:12:50,018 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:12:46" (1/3) ... [2024-11-28 05:12:50,018 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a0e6a6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:12:50, skipping insertion in model container [2024-11-28 05:12:50,018 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:12:47" (2/3) ... [2024-11-28 05:12:50,019 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a0e6a6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:12:50, skipping insertion in model container [2024-11-28 05:12:50,019 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:12:50" (3/3) ... [2024-11-28 05:12:50,020 INFO L128 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test2-1.i [2024-11-28 05:12:50,037 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 05:12:50,039 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_JEN_test2-1.i that has 6 procedures, 399 locations, 1 initial locations, 33 loop locations, and 2 error locations. [2024-11-28 05:12:50,093 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 05:12:50,106 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=None, 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;@57a68112, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 05:12:50,106 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-28 05:12:50,112 INFO L276 IsEmpty]: Start isEmpty. Operand has 391 states, 375 states have (on average 1.6133333333333333) internal successors, (605), 384 states have internal predecessors, (605), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 6 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-28 05:12:50,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-28 05:12:50,118 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:12:50,118 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:12:50,119 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 05:12:50,124 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:12:50,124 INFO L85 PathProgramCache]: Analyzing trace with hash -1564073608, now seen corresponding path program 1 times [2024-11-28 05:12:50,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:12:50,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144139575] [2024-11-28 05:12:50,132 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:12:50,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:12:50,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:12:50,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:12:50,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:12:50,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144139575] [2024-11-28 05:12:50,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1144139575] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:12:50,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:12:50,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 05:12:50,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329043348] [2024-11-28 05:12:50,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:12:50,346 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 05:12:50,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:12:50,376 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 05:12:50,376 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 05:12:50,379 INFO L87 Difference]: Start difference. First operand has 391 states, 375 states have (on average 1.6133333333333333) internal successors, (605), 384 states have internal predecessors, (605), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 6 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:12:50,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:12:50,459 INFO L93 Difference]: Finished difference Result 389 states and 562 transitions. [2024-11-28 05:12:50,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 05:12:50,463 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 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 7 [2024-11-28 05:12:50,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:12:50,480 INFO L225 Difference]: With dead ends: 389 [2024-11-28 05:12:50,481 INFO L226 Difference]: Without dead ends: 387 [2024-11-28 05:12:50,483 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 05:12:50,487 INFO L435 NwaCegarLoop]: 562 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 562 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:12:50,488 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 562 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:12:50,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2024-11-28 05:12:50,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 387. [2024-11-28 05:12:50,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 387 states, 373 states have (on average 1.4530831099195711) internal successors, (542), 380 states have internal predecessors, (542), 10 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-28 05:12:50,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 560 transitions. [2024-11-28 05:12:50,596 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 560 transitions. Word has length 7 [2024-11-28 05:12:50,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:12:50,596 INFO L471 AbstractCegarLoop]: Abstraction has 387 states and 560 transitions. [2024-11-28 05:12:50,596 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:12:50,597 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 560 transitions. [2024-11-28 05:12:50,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-28 05:12:50,597 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:12:50,597 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:12:50,597 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 05:12:50,598 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 05:12:50,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:12:50,598 INFO L85 PathProgramCache]: Analyzing trace with hash -861981024, now seen corresponding path program 1 times [2024-11-28 05:12:50,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:12:50,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572496053] [2024-11-28 05:12:50,598 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:12:50,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:12:50,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:12:50,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:12:50,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:12:50,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572496053] [2024-11-28 05:12:50,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572496053] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:12:50,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:12:50,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 05:12:50,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034800405] [2024-11-28 05:12:50,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:12:50,926 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 05:12:50,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:12:50,927 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:12:50,927 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:12:50,927 INFO L87 Difference]: Start difference. First operand 387 states and 560 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 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) [2024-11-28 05:12:51,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:12:51,174 INFO L93 Difference]: Finished difference Result 757 states and 1104 transitions. [2024-11-28 05:12:51,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 05:12:51,175 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 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 [2024-11-28 05:12:51,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:12:51,182 INFO L225 Difference]: With dead ends: 757 [2024-11-28 05:12:51,182 INFO L226 Difference]: Without dead ends: 757 [2024-11-28 05:12:51,182 INFO L434 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 [2024-11-28 05:12:51,183 INFO L435 NwaCegarLoop]: 587 mSDtfsCounter, 524 mSDsluCounter, 1115 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 532 SdHoareTripleChecker+Valid, 1702 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 05:12:51,184 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [532 Valid, 1702 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 05:12:51,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 757 states. [2024-11-28 05:12:51,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 757 to 389. [2024-11-28 05:12:51,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 389 states, 375 states have (on average 1.4506666666666668) internal successors, (544), 382 states have internal predecessors, (544), 10 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-28 05:12:51,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 562 transitions. [2024-11-28 05:12:51,232 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 562 transitions. Word has length 9 [2024-11-28 05:12:51,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:12:51,233 INFO L471 AbstractCegarLoop]: Abstraction has 389 states and 562 transitions. [2024-11-28 05:12:51,233 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 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) [2024-11-28 05:12:51,233 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 562 transitions. [2024-11-28 05:12:51,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-28 05:12:51,235 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:12:51,236 INFO L218 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:12:51,237 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 05:12:51,237 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 05:12:51,239 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:12:51,239 INFO L85 PathProgramCache]: Analyzing trace with hash -480084302, now seen corresponding path program 1 times [2024-11-28 05:12:51,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:12:51,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194652940] [2024-11-28 05:12:51,240 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:12:51,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:12:51,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:12:51,825 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:12:51,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:12:51,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194652940] [2024-11-28 05:12:51,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194652940] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:12:51,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:12:51,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 05:12:51,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012989414] [2024-11-28 05:12:51,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:12:51,826 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 05:12:51,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:12:51,827 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:12:51,827 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:12:51,827 INFO L87 Difference]: Start difference. First operand 389 states and 562 transitions. Second operand has 4 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:12:51,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:12:51,962 INFO L93 Difference]: Finished difference Result 392 states and 558 transitions. [2024-11-28 05:12:51,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 05:12:51,965 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 0 states have call successors, (0), 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 86 [2024-11-28 05:12:51,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:12:51,967 INFO L225 Difference]: With dead ends: 392 [2024-11-28 05:12:51,968 INFO L226 Difference]: Without dead ends: 392 [2024-11-28 05:12:51,968 INFO L434 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 [2024-11-28 05:12:51,969 INFO L435 NwaCegarLoop]: 532 mSDtfsCounter, 106 mSDsluCounter, 970 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 1502 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 05:12:51,972 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 1502 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 05:12:51,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2024-11-28 05:12:51,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 389. [2024-11-28 05:12:51,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 389 states, 375 states have (on average 1.432) internal successors, (537), 382 states have internal predecessors, (537), 10 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-28 05:12:51,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 555 transitions. [2024-11-28 05:12:51,989 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 555 transitions. Word has length 86 [2024-11-28 05:12:51,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:12:51,989 INFO L471 AbstractCegarLoop]: Abstraction has 389 states and 555 transitions. [2024-11-28 05:12:51,989 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:12:51,990 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 555 transitions. [2024-11-28 05:12:51,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-28 05:12:51,992 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:12:51,996 INFO L218 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:12:51,996 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 05:12:51,996 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 05:12:51,997 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:12:51,997 INFO L85 PathProgramCache]: Analyzing trace with hash 1330891430, now seen corresponding path program 1 times [2024-11-28 05:12:51,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:12:51,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727496009] [2024-11-28 05:12:51,997 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:12:51,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:12:52,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:12:52,317 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:12:52,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:12:52,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727496009] [2024-11-28 05:12:52,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727496009] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:12:52,320 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:12:52,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:12:52,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47967280] [2024-11-28 05:12:52,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:12:52,321 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:12:52,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:12:52,324 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:12:52,324 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:12:52,324 INFO L87 Difference]: Start difference. First operand 389 states and 555 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:12:52,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:12:52,446 INFO L93 Difference]: Finished difference Result 671 states and 973 transitions. [2024-11-28 05:12:52,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:12:52,449 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 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 86 [2024-11-28 05:12:52,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:12:52,454 INFO L225 Difference]: With dead ends: 671 [2024-11-28 05:12:52,455 INFO L226 Difference]: Without dead ends: 671 [2024-11-28 05:12:52,456 INFO L434 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 [2024-11-28 05:12:52,456 INFO L435 NwaCegarLoop]: 752 mSDtfsCounter, 351 mSDsluCounter, 539 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 356 SdHoareTripleChecker+Valid, 1291 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 05:12:52,459 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [356 Valid, 1291 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 05:12:52,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 671 states. [2024-11-28 05:12:52,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 671 to 667. [2024-11-28 05:12:52,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 667 states, 648 states have (on average 1.4537037037037037) internal successors, (942), 660 states have internal predecessors, (942), 15 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (13), 5 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-28 05:12:52,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 667 states and 970 transitions. [2024-11-28 05:12:52,509 INFO L78 Accepts]: Start accepts. Automaton has 667 states and 970 transitions. Word has length 86 [2024-11-28 05:12:52,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:12:52,510 INFO L471 AbstractCegarLoop]: Abstraction has 667 states and 970 transitions. [2024-11-28 05:12:52,510 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:12:52,510 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 970 transitions. [2024-11-28 05:12:52,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-28 05:12:52,516 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:12:52,517 INFO L218 NwaCegarLoop]: trace histogram [2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:12:52,517 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 05:12:52,517 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 05:12:52,517 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:12:52,518 INFO L85 PathProgramCache]: Analyzing trace with hash -1802019898, now seen corresponding path program 1 times [2024-11-28 05:12:52,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:12:52,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334350165] [2024-11-28 05:12:52,518 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:12:52,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:12:52,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:12:53,277 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-28 05:12:53,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:12:53,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334350165] [2024-11-28 05:12:53,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334350165] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:12:53,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:12:53,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 05:12:53,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301035068] [2024-11-28 05:12:53,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:12:53,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 05:12:53,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:12:53,283 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:12:53,283 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:12:53,284 INFO L87 Difference]: Start difference. First operand 667 states and 970 transitions. Second operand has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 05:12:53,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:12:53,459 INFO L93 Difference]: Finished difference Result 918 states and 1338 transitions. [2024-11-28 05:12:53,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 05:12:53,460 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 101 [2024-11-28 05:12:53,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:12:53,466 INFO L225 Difference]: With dead ends: 918 [2024-11-28 05:12:53,467 INFO L226 Difference]: Without dead ends: 918 [2024-11-28 05:12:53,467 INFO L434 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 [2024-11-28 05:12:53,470 INFO L435 NwaCegarLoop]: 580 mSDtfsCounter, 513 mSDsluCounter, 1101 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 521 SdHoareTripleChecker+Valid, 1681 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 05:12:53,471 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [521 Valid, 1681 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 05:12:53,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 918 states. [2024-11-28 05:12:53,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 918 to 669. [2024-11-28 05:12:53,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 669 states, 650 states have (on average 1.4523076923076923) internal successors, (944), 662 states have internal predecessors, (944), 15 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (13), 5 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-28 05:12:53,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 669 states and 972 transitions. [2024-11-28 05:12:53,509 INFO L78 Accepts]: Start accepts. Automaton has 669 states and 972 transitions. Word has length 101 [2024-11-28 05:12:53,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:12:53,512 INFO L471 AbstractCegarLoop]: Abstraction has 669 states and 972 transitions. [2024-11-28 05:12:53,512 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 05:12:53,512 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 972 transitions. [2024-11-28 05:12:53,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-28 05:12:53,523 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:12:53,524 INFO L218 NwaCegarLoop]: trace histogram [2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:12:53,524 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 05:12:53,524 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 05:12:53,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:12:53,525 INFO L85 PathProgramCache]: Analyzing trace with hash 557197740, now seen corresponding path program 1 times [2024-11-28 05:12:53,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:12:53,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578409896] [2024-11-28 05:12:53,525 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:12:53,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:12:53,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:12:54,049 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-28 05:12:54,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:12:54,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578409896] [2024-11-28 05:12:54,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578409896] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:12:54,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:12:54,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 05:12:54,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287629784] [2024-11-28 05:12:54,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:12:54,053 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 05:12:54,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:12:54,053 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:12:54,053 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:12:54,054 INFO L87 Difference]: Start difference. First operand 669 states and 972 transitions. Second operand has 4 states, 4 states have (on average 37.25) internal successors, (149), 4 states have internal predecessors, (149), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 05:12:54,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:12:54,176 INFO L93 Difference]: Finished difference Result 583 states and 816 transitions. [2024-11-28 05:12:54,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 05:12:54,177 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 37.25) internal successors, (149), 4 states have internal predecessors, (149), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 158 [2024-11-28 05:12:54,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:12:54,180 INFO L225 Difference]: With dead ends: 583 [2024-11-28 05:12:54,180 INFO L226 Difference]: Without dead ends: 583 [2024-11-28 05:12:54,183 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:12:54,183 INFO L435 NwaCegarLoop]: 448 mSDtfsCounter, 33 mSDsluCounter, 880 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 1328 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 05:12:54,184 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 1328 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 05:12:54,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 583 states. [2024-11-28 05:12:54,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 583 to 583. [2024-11-28 05:12:54,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 583 states, 564 states have (on average 1.3971631205673758) internal successors, (788), 576 states have internal predecessors, (788), 15 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (13), 5 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-28 05:12:54,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 583 states and 816 transitions. [2024-11-28 05:12:54,207 INFO L78 Accepts]: Start accepts. Automaton has 583 states and 816 transitions. Word has length 158 [2024-11-28 05:12:54,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:12:54,208 INFO L471 AbstractCegarLoop]: Abstraction has 583 states and 816 transitions. [2024-11-28 05:12:54,208 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 37.25) internal successors, (149), 4 states have internal predecessors, (149), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 05:12:54,209 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 816 transitions. [2024-11-28 05:12:54,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-28 05:12:54,214 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:12:54,214 INFO L218 NwaCegarLoop]: trace histogram [2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:12:54,214 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 05:12:54,215 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 05:12:54,215 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:12:54,215 INFO L85 PathProgramCache]: Analyzing trace with hash 1918319834, now seen corresponding path program 1 times [2024-11-28 05:12:54,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:12:54,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501298072] [2024-11-28 05:12:54,215 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:12:54,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:12:54,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:12:54,541 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-28 05:12:54,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:12:54,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501298072] [2024-11-28 05:12:54,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1501298072] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:12:54,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:12:54,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:12:54,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614464916] [2024-11-28 05:12:54,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:12:54,543 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:12:54,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:12:54,545 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:12:54,545 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:12:54,546 INFO L87 Difference]: Start difference. First operand 583 states and 816 transitions. Second operand has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 05:12:54,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:12:54,604 INFO L93 Difference]: Finished difference Result 583 states and 810 transitions. [2024-11-28 05:12:54,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:12:54,604 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 158 [2024-11-28 05:12:54,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:12:54,609 INFO L225 Difference]: With dead ends: 583 [2024-11-28 05:12:54,610 INFO L226 Difference]: Without dead ends: 583 [2024-11-28 05:12:54,610 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:12:54,611 INFO L435 NwaCegarLoop]: 463 mSDtfsCounter, 2 mSDsluCounter, 441 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 904 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:12:54,612 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 904 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:12:54,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 583 states. [2024-11-28 05:12:54,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 583 to 583. [2024-11-28 05:12:54,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 583 states, 564 states have (on average 1.3865248226950355) internal successors, (782), 576 states have internal predecessors, (782), 15 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (13), 5 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-28 05:12:54,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 583 states and 810 transitions. [2024-11-28 05:12:54,630 INFO L78 Accepts]: Start accepts. Automaton has 583 states and 810 transitions. Word has length 158 [2024-11-28 05:12:54,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:12:54,631 INFO L471 AbstractCegarLoop]: Abstraction has 583 states and 810 transitions. [2024-11-28 05:12:54,631 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 05:12:54,632 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 810 transitions. [2024-11-28 05:12:54,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-28 05:12:54,635 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:12:54,635 INFO L218 NwaCegarLoop]: trace histogram [2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:12:54,635 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 05:12:54,635 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 05:12:54,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:12:54,637 INFO L85 PathProgramCache]: Analyzing trace with hash 1291061920, now seen corresponding path program 1 times [2024-11-28 05:12:54,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:12:54,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723905644] [2024-11-28 05:12:54,637 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:12:54,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:12:54,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:12:55,065 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 05:12:55,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:12:55,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723905644] [2024-11-28 05:12:55,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723905644] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:12:55,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:12:55,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 05:12:55,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332327052] [2024-11-28 05:12:55,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:12:55,068 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 05:12:55,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:12:55,069 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 05:12:55,069 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:12:55,070 INFO L87 Difference]: Start difference. First operand 583 states and 810 transitions. Second operand has 5 states, 5 states have (on average 30.0) internal successors, (150), 5 states have internal predecessors, (150), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 05:12:55,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:12:55,690 INFO L93 Difference]: Finished difference Result 670 states and 921 transitions. [2024-11-28 05:12:55,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 05:12:55,691 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 30.0) internal successors, (150), 5 states have internal predecessors, (150), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 158 [2024-11-28 05:12:55,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:12:55,698 INFO L225 Difference]: With dead ends: 670 [2024-11-28 05:12:55,698 INFO L226 Difference]: Without dead ends: 670 [2024-11-28 05:12:55,698 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:12:55,699 INFO L435 NwaCegarLoop]: 620 mSDtfsCounter, 972 mSDsluCounter, 842 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 978 SdHoareTripleChecker+Valid, 1462 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 05:12:55,699 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [978 Valid, 1462 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 05:12:55,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 670 states. [2024-11-28 05:12:55,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 670 to 479. [2024-11-28 05:12:55,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 479 states, 465 states have (on average 1.389247311827957) internal successors, (646), 472 states have internal predecessors, (646), 10 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-28 05:12:55,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 664 transitions. [2024-11-28 05:12:55,718 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 664 transitions. Word has length 158 [2024-11-28 05:12:55,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:12:55,719 INFO L471 AbstractCegarLoop]: Abstraction has 479 states and 664 transitions. [2024-11-28 05:12:55,719 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 30.0) internal successors, (150), 5 states have internal predecessors, (150), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 05:12:55,719 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 664 transitions. [2024-11-28 05:12:55,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-28 05:12:55,722 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:12:55,722 INFO L218 NwaCegarLoop]: trace histogram [2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:12:55,723 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 05:12:55,723 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 05:12:55,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:12:55,723 INFO L85 PathProgramCache]: Analyzing trace with hash 1645618392, now seen corresponding path program 1 times [2024-11-28 05:12:55,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:12:55,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670656042] [2024-11-28 05:12:55,724 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:12:55,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:12:55,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:12:56,762 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 05:12:56,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:12:56,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670656042] [2024-11-28 05:12:56,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670656042] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:12:56,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [902060863] [2024-11-28 05:12:56,764 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:12:56,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:12:56,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb9933f4-db3b-486b-9eb7-b119f28a441a/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:12:56,769 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb9933f4-db3b-486b-9eb7-b119f28a441a/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:12:56,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb9933f4-db3b-486b-9eb7-b119f28a441a/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 05:12:57,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:12:57,249 INFO L256 TraceCheckSpWp]: Trace formula consists of 772 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 05:12:57,259 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:12:57,294 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 [2024-11-28 05:12:57,628 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 19 treesize of output 11 [2024-11-28 05:12:57,658 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 05:12:57,658 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:12:58,005 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 05:12:58,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [902060863] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:12:58,005 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 05:12:58,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 5] total 12 [2024-11-28 05:12:58,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798630966] [2024-11-28 05:12:58,006 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 05:12:58,007 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 05:12:58,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:12:58,008 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 05:12:58,008 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2024-11-28 05:12:58,009 INFO L87 Difference]: Start difference. First operand 479 states and 664 transitions. Second operand has 12 states, 12 states have (on average 27.583333333333332) internal successors, (331), 12 states have internal predecessors, (331), 4 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-28 05:12:58,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:12:58,549 INFO L93 Difference]: Finished difference Result 1369 states and 1897 transitions. [2024-11-28 05:12:58,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-28 05:12:58,550 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 27.583333333333332) internal successors, (331), 12 states have internal predecessors, (331), 4 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 168 [2024-11-28 05:12:58,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:12:58,558 INFO L225 Difference]: With dead ends: 1369 [2024-11-28 05:12:58,558 INFO L226 Difference]: Without dead ends: 1369 [2024-11-28 05:12:58,558 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 344 GetRequests, 328 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2024-11-28 05:12:58,560 INFO L435 NwaCegarLoop]: 708 mSDtfsCounter, 2549 mSDsluCounter, 3860 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2563 SdHoareTripleChecker+Valid, 4568 SdHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 05:12:58,561 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2563 Valid, 4568 Invalid, 231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 05:12:58,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1369 states. [2024-11-28 05:12:58,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1369 to 920. [2024-11-28 05:12:58,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 920 states, 902 states have (on average 1.3891352549889135) internal successors, (1253), 909 states have internal predecessors, (1253), 13 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-28 05:12:58,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 920 states to 920 states and 1277 transitions. [2024-11-28 05:12:58,601 INFO L78 Accepts]: Start accepts. Automaton has 920 states and 1277 transitions. Word has length 168 [2024-11-28 05:12:58,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:12:58,601 INFO L471 AbstractCegarLoop]: Abstraction has 920 states and 1277 transitions. [2024-11-28 05:12:58,602 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 27.583333333333332) internal successors, (331), 12 states have internal predecessors, (331), 4 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-28 05:12:58,602 INFO L276 IsEmpty]: Start isEmpty. Operand 920 states and 1277 transitions. [2024-11-28 05:12:58,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2024-11-28 05:12:58,611 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:12:58,611 INFO L218 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:12:58,623 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb9933f4-db3b-486b-9eb7-b119f28a441a/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 05:12:58,815 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb9933f4-db3b-486b-9eb7-b119f28a441a/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:12:58,816 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 05:12:58,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:12:58,817 INFO L85 PathProgramCache]: Analyzing trace with hash -855094946, now seen corresponding path program 1 times [2024-11-28 05:12:58,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:12:58,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145027164] [2024-11-28 05:12:58,817 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:12:58,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:12:59,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:13:03,681 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 0 proven. 464 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 05:13:03,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:13:03,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145027164] [2024-11-28 05:13:03,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2145027164] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:13:03,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2033023609] [2024-11-28 05:13:03,682 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:13:03,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:13:03,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb9933f4-db3b-486b-9eb7-b119f28a441a/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:13:03,684 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb9933f4-db3b-486b-9eb7-b119f28a441a/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:13:03,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb9933f4-db3b-486b-9eb7-b119f28a441a/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 05:13:04,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:13:04,649 INFO L256 TraceCheckSpWp]: Trace formula consists of 1903 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-28 05:13:04,671 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:13:04,679 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 [2024-11-28 05:13:04,991 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 19 treesize of output 11 [2024-11-28 05:13:05,184 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 19 treesize of output 11 [2024-11-28 05:13:05,382 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 19 treesize of output 11 [2024-11-28 05:13:05,570 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 19 treesize of output 11 [2024-11-28 05:13:05,599 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 0 proven. 464 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 05:13:05,600 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:13:06,476 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 0 proven. 464 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 05:13:06,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2033023609] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:13:06,476 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 05:13:06,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9, 8] total 23 [2024-11-28 05:13:06,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513780659] [2024-11-28 05:13:06,477 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 05:13:06,480 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-28 05:13:06,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:13:06,483 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-28 05:13:06,483 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=167, Invalid=339, Unknown=0, NotChecked=0, Total=506 [2024-11-28 05:13:06,484 INFO L87 Difference]: Start difference. First operand 920 states and 1277 transitions. Second operand has 23 states, 23 states have (on average 44.52173913043478) internal successors, (1024), 23 states have internal predecessors, (1024), 4 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-28 05:13:07,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:13:07,755 INFO L93 Difference]: Finished difference Result 2893 states and 4027 transitions. [2024-11-28 05:13:07,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-28 05:13:07,757 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 44.52173913043478) internal successors, (1024), 23 states have internal predecessors, (1024), 4 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 399 [2024-11-28 05:13:07,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:13:07,773 INFO L225 Difference]: With dead ends: 2893 [2024-11-28 05:13:07,773 INFO L226 Difference]: Without dead ends: 2893 [2024-11-28 05:13:07,774 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 819 GetRequests, 786 SyntacticMatches, 3 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 319 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=296, Invalid=696, Unknown=0, NotChecked=0, Total=992 [2024-11-28 05:13:07,775 INFO L435 NwaCegarLoop]: 1826 mSDtfsCounter, 4638 mSDsluCounter, 13153 mSDsCounter, 0 mSdLazyCounter, 676 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4673 SdHoareTripleChecker+Valid, 14979 SdHoareTripleChecker+Invalid, 714 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 676 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-28 05:13:07,775 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4673 Valid, 14979 Invalid, 714 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [38 Valid, 676 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-28 05:13:07,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2893 states. [2024-11-28 05:13:07,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2893 to 2060. [2024-11-28 05:13:07,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2060 states, 2036 states have (on average 1.3963654223968567) internal successors, (2843), 2043 states have internal predecessors, (2843), 19 states have call successors, (19), 4 states have call predecessors, (19), 3 states have return successors, (17), 13 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-28 05:13:07,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2060 states to 2060 states and 2879 transitions. [2024-11-28 05:13:07,848 INFO L78 Accepts]: Start accepts. Automaton has 2060 states and 2879 transitions. Word has length 399 [2024-11-28 05:13:07,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:13:07,850 INFO L471 AbstractCegarLoop]: Abstraction has 2060 states and 2879 transitions. [2024-11-28 05:13:07,851 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 44.52173913043478) internal successors, (1024), 23 states have internal predecessors, (1024), 4 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-28 05:13:07,851 INFO L276 IsEmpty]: Start isEmpty. Operand 2060 states and 2879 transitions. [2024-11-28 05:13:07,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 862 [2024-11-28 05:13:07,878 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:13:07,878 INFO L218 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:13:07,893 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb9933f4-db3b-486b-9eb7-b119f28a441a/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-28 05:13:08,079 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb9933f4-db3b-486b-9eb7-b119f28a441a/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:13:08,079 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 05:13:08,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:13:08,080 INFO L85 PathProgramCache]: Analyzing trace with hash -1401963490, now seen corresponding path program 2 times [2024-11-28 05:13:08,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:13:08,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150228822] [2024-11-28 05:13:08,080 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 05:13:08,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:13:08,515 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 05:13:08,516 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:13:08,788 INFO L134 CoverageAnalysis]: Checked inductivity of 3471 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3471 trivial. 0 not checked. [2024-11-28 05:13:08,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:13:08,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150228822] [2024-11-28 05:13:08,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [150228822] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:13:08,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:13:08,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 05:13:08,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460881257] [2024-11-28 05:13:08,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:13:08,790 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 05:13:08,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:13:08,790 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 05:13:08,791 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:13:08,791 INFO L87 Difference]: Start difference. First operand 2060 states and 2879 transitions. Second operand has 6 states, 6 states have (on average 27.0) internal successors, (162), 6 states have internal predecessors, (162), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 05:13:09,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:13:09,390 INFO L93 Difference]: Finished difference Result 2065 states and 2886 transitions. [2024-11-28 05:13:09,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 05:13:09,390 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 27.0) internal successors, (162), 6 states have internal predecessors, (162), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 861 [2024-11-28 05:13:09,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:13:09,399 INFO L225 Difference]: With dead ends: 2065 [2024-11-28 05:13:09,399 INFO L226 Difference]: Without dead ends: 2065 [2024-11-28 05:13:09,399 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-28 05:13:09,400 INFO L435 NwaCegarLoop]: 453 mSDtfsCounter, 14 mSDsluCounter, 1515 mSDsCounter, 0 mSdLazyCounter, 334 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 1968 SdHoareTripleChecker+Invalid, 334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 05:13:09,400 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 1968 Invalid, 334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 334 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 05:13:09,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2065 states. [2024-11-28 05:13:09,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2065 to 2062. [2024-11-28 05:13:09,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2062 states, 2038 states have (on average 1.3959764474975467) internal successors, (2845), 2045 states have internal predecessors, (2845), 19 states have call successors, (19), 4 states have call predecessors, (19), 3 states have return successors, (17), 13 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-28 05:13:09,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2062 states to 2062 states and 2881 transitions. [2024-11-28 05:13:09,452 INFO L78 Accepts]: Start accepts. Automaton has 2062 states and 2881 transitions. Word has length 861 [2024-11-28 05:13:09,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:13:09,454 INFO L471 AbstractCegarLoop]: Abstraction has 2062 states and 2881 transitions. [2024-11-28 05:13:09,454 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 27.0) internal successors, (162), 6 states have internal predecessors, (162), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 05:13:09,454 INFO L276 IsEmpty]: Start isEmpty. Operand 2062 states and 2881 transitions. [2024-11-28 05:13:09,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 863 [2024-11-28 05:13:09,486 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:13:09,487 INFO L218 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:13:09,487 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-28 05:13:09,487 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 05:13:09,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:13:09,488 INFO L85 PathProgramCache]: Analyzing trace with hash 17596988, now seen corresponding path program 1 times [2024-11-28 05:13:09,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:13:09,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836024863] [2024-11-28 05:13:09,489 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:13:09,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:13:10,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:13:13,299 INFO L134 CoverageAnalysis]: Checked inductivity of 3471 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3471 trivial. 0 not checked. [2024-11-28 05:13:13,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:13:13,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836024863] [2024-11-28 05:13:13,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836024863] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:13:13,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:13:13,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 05:13:13,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916627212] [2024-11-28 05:13:13,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:13:13,301 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 05:13:13,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:13:13,301 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 05:13:13,301 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-28 05:13:13,302 INFO L87 Difference]: Start difference. First operand 2062 states and 2881 transitions. Second operand has 7 states, 7 states have (on average 23.285714285714285) internal successors, (163), 7 states have internal predecessors, (163), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 05:13:13,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:13:13,765 INFO L93 Difference]: Finished difference Result 2067 states and 2887 transitions. [2024-11-28 05:13:13,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 05:13:13,766 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 23.285714285714285) internal successors, (163), 7 states have internal predecessors, (163), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 862 [2024-11-28 05:13:13,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:13:13,779 INFO L225 Difference]: With dead ends: 2067 [2024-11-28 05:13:13,779 INFO L226 Difference]: Without dead ends: 2067 [2024-11-28 05:13:13,780 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-28 05:13:13,780 INFO L435 NwaCegarLoop]: 447 mSDtfsCounter, 15 mSDsluCounter, 1915 mSDsCounter, 0 mSdLazyCounter, 404 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 2362 SdHoareTripleChecker+Invalid, 405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 404 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 05:13:13,781 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 2362 Invalid, 405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 404 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 05:13:13,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2067 states. [2024-11-28 05:13:13,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2067 to 2066. [2024-11-28 05:13:13,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2066 states, 2042 states have (on average 1.3956904995102841) internal successors, (2850), 2049 states have internal predecessors, (2850), 19 states have call successors, (19), 4 states have call predecessors, (19), 3 states have return successors, (17), 13 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-28 05:13:13,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2066 states to 2066 states and 2886 transitions. [2024-11-28 05:13:13,835 INFO L78 Accepts]: Start accepts. Automaton has 2066 states and 2886 transitions. Word has length 862 [2024-11-28 05:13:13,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:13:13,837 INFO L471 AbstractCegarLoop]: Abstraction has 2066 states and 2886 transitions. [2024-11-28 05:13:13,837 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.285714285714285) internal successors, (163), 7 states have internal predecessors, (163), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 05:13:13,837 INFO L276 IsEmpty]: Start isEmpty. Operand 2066 states and 2886 transitions. [2024-11-28 05:13:13,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 863 [2024-11-28 05:13:13,849 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:13:13,849 INFO L218 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:13:13,849 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-28 05:13:13,849 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 05:13:13,850 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:13:13,850 INFO L85 PathProgramCache]: Analyzing trace with hash -252004912, now seen corresponding path program 1 times [2024-11-28 05:13:13,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:13:13,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823165968] [2024-11-28 05:13:13,851 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:13:13,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:21:43,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:21:44,634 INFO L134 CoverageAnalysis]: Checked inductivity of 3471 backedges. 515 proven. 3 refuted. 0 times theorem prover too weak. 2953 trivial. 0 not checked. [2024-11-28 05:21:44,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:21:44,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823165968] [2024-11-28 05:21:44,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823165968] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:21:44,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1619347255] [2024-11-28 05:21:44,641 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:21:44,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:21:44,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb9933f4-db3b-486b-9eb7-b119f28a441a/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:21:44,651 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb9933f4-db3b-486b-9eb7-b119f28a441a/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:21:44,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb9933f4-db3b-486b-9eb7-b119f28a441a/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 05:22:13,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:22:13,209 INFO L256 TraceCheckSpWp]: Trace formula consists of 4166 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-28 05:22:13,227 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:22:13,521 INFO L134 CoverageAnalysis]: Checked inductivity of 3471 backedges. 326 proven. 0 refuted. 0 times theorem prover too weak. 3145 trivial. 0 not checked. [2024-11-28 05:22:13,521 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:22:13,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1619347255] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:22:13,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:22:13,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [4] total 8 [2024-11-28 05:22:13,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861723779] [2024-11-28 05:22:13,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:22:13,522 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 05:22:13,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:22:13,525 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 05:22:13,525 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-28 05:22:13,525 INFO L87 Difference]: Start difference. First operand 2066 states and 2886 transitions. Second operand has 6 states, 6 states have (on average 33.166666666666664) internal successors, (199), 6 states have internal predecessors, (199), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 05:22:14,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:22:14,178 INFO L93 Difference]: Finished difference Result 2426 states and 3316 transitions. [2024-11-28 05:22:14,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 05:22:14,179 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 33.166666666666664) internal successors, (199), 6 states have internal predecessors, (199), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 862 [2024-11-28 05:22:14,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:22:14,187 INFO L225 Difference]: With dead ends: 2426 [2024-11-28 05:22:14,187 INFO L226 Difference]: Without dead ends: 2426 [2024-11-28 05:22:14,187 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 865 GetRequests, 859 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-28 05:22:14,189 INFO L435 NwaCegarLoop]: 455 mSDtfsCounter, 13 mSDsluCounter, 1265 mSDsCounter, 0 mSdLazyCounter, 619 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 1720 SdHoareTripleChecker+Invalid, 622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 619 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 05:22:14,189 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 1720 Invalid, 622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 619 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 05:22:14,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2426 states. [2024-11-28 05:22:14,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2426 to 2376. [2024-11-28 05:22:14,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2376 states, 2352 states have (on average 1.369047619047619) internal successors, (3220), 2359 states have internal predecessors, (3220), 19 states have call successors, (19), 4 states have call predecessors, (19), 3 states have return successors, (17), 13 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-28 05:22:14,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2376 states to 2376 states and 3256 transitions. [2024-11-28 05:22:14,249 INFO L78 Accepts]: Start accepts. Automaton has 2376 states and 3256 transitions. Word has length 862 [2024-11-28 05:22:14,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:22:14,249 INFO L471 AbstractCegarLoop]: Abstraction has 2376 states and 3256 transitions. [2024-11-28 05:22:14,249 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 33.166666666666664) internal successors, (199), 6 states have internal predecessors, (199), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 05:22:14,249 INFO L276 IsEmpty]: Start isEmpty. Operand 2376 states and 3256 transitions. [2024-11-28 05:22:14,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 883 [2024-11-28 05:22:14,259 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:22:14,260 INFO L218 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:22:14,346 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb9933f4-db3b-486b-9eb7-b119f28a441a/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-28 05:22:14,460 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb9933f4-db3b-486b-9eb7-b119f28a441a/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:22:14,461 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 05:22:14,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:22:14,462 INFO L85 PathProgramCache]: Analyzing trace with hash 665740122, now seen corresponding path program 1 times [2024-11-28 05:22:14,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:22:14,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292571651] [2024-11-28 05:22:14,462 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:22:14,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:22:15,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:22:16,884 INFO L134 CoverageAnalysis]: Checked inductivity of 3561 backedges. 344 proven. 0 refuted. 0 times theorem prover too weak. 3217 trivial. 0 not checked. [2024-11-28 05:22:16,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:22:16,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292571651] [2024-11-28 05:22:16,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292571651] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:22:16,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:22:16,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 05:22:16,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676889460] [2024-11-28 05:22:16,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:22:16,886 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 05:22:16,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:22:16,887 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 05:22:16,887 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:22:16,888 INFO L87 Difference]: Start difference. First operand 2376 states and 3256 transitions. Second operand has 6 states, 6 states have (on average 33.833333333333336) internal successors, (203), 6 states have internal predecessors, (203), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 05:22:17,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:22:17,550 INFO L93 Difference]: Finished difference Result 2446 states and 3336 transitions. [2024-11-28 05:22:17,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 05:22:17,551 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 33.833333333333336) internal successors, (203), 6 states have internal predecessors, (203), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 882 [2024-11-28 05:22:17,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:22:17,558 INFO L225 Difference]: With dead ends: 2446 [2024-11-28 05:22:17,558 INFO L226 Difference]: Without dead ends: 2446 [2024-11-28 05:22:17,559 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:22:17,560 INFO L435 NwaCegarLoop]: 458 mSDtfsCounter, 9 mSDsluCounter, 1289 mSDsCounter, 0 mSdLazyCounter, 600 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1747 SdHoareTripleChecker+Invalid, 601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 600 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 05:22:17,560 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1747 Invalid, 601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 600 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 05:22:17,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2446 states. [2024-11-28 05:22:17,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2446 to 2416. [2024-11-28 05:22:17,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2416 states, 2392 states have (on average 1.367056856187291) internal successors, (3270), 2399 states have internal predecessors, (3270), 19 states have call successors, (19), 4 states have call predecessors, (19), 3 states have return successors, (17), 13 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-28 05:22:17,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2416 states to 2416 states and 3306 transitions. [2024-11-28 05:22:17,615 INFO L78 Accepts]: Start accepts. Automaton has 2416 states and 3306 transitions. Word has length 882 [2024-11-28 05:22:17,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:22:17,615 INFO L471 AbstractCegarLoop]: Abstraction has 2416 states and 3306 transitions. [2024-11-28 05:22:17,616 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 33.833333333333336) internal successors, (203), 6 states have internal predecessors, (203), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 05:22:17,616 INFO L276 IsEmpty]: Start isEmpty. Operand 2416 states and 3306 transitions. [2024-11-28 05:22:17,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 893 [2024-11-28 05:22:17,626 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:22:17,627 INFO L218 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:22:17,627 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-28 05:22:17,627 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-28 05:22:17,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:22:17,629 INFO L85 PathProgramCache]: Analyzing trace with hash -752930852, now seen corresponding path program 1 times [2024-11-28 05:22:17,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:22:17,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684502912] [2024-11-28 05:22:17,630 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:22:17,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:25:37,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:25:38,643 INFO L134 CoverageAnalysis]: Checked inductivity of 3606 backedges. 542 proven. 3 refuted. 0 times theorem prover too weak. 3061 trivial. 0 not checked. [2024-11-28 05:25:38,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:25:38,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684502912] [2024-11-28 05:25:38,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [684502912] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:25:38,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [640583116] [2024-11-28 05:25:38,644 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:25:38,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:25:38,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb9933f4-db3b-486b-9eb7-b119f28a441a/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:25:38,646 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb9933f4-db3b-486b-9eb7-b119f28a441a/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:25:38,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb9933f4-db3b-486b-9eb7-b119f28a441a/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 05:26:14,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:26:14,334 INFO L256 TraceCheckSpWp]: Trace formula consists of 4166 conjuncts, 75 conjuncts are in the unsatisfiable core [2024-11-28 05:26:14,366 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:26:14,378 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 [2024-11-28 05:26:14,402 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-28 05:26:14,913 INFO L349 Elim1Store]: treesize reduction 4, result has 66.7 percent of original size [2024-11-28 05:26:14,914 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2024-11-28 05:26:14,926 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 [2024-11-28 05:26:14,930 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 [2024-11-28 05:26:15,529 INFO L349 Elim1Store]: treesize reduction 617, result has 0.2 percent of original size [2024-11-28 05:26:15,532 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 9 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 4286282 treesize of output 3702589 [2024-11-28 05:26:15,759 INFO L349 Elim1Store]: treesize reduction 49, result has 9.3 percent of original size [2024-11-28 05:26:15,761 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 611095 treesize of output 533270 [2024-11-28 05:26:15,908 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 11 [2024-11-28 05:26:15,919 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2024-11-28 05:26:16,620 INFO L349 Elim1Store]: treesize reduction 4149, result has 0.0 percent of original size [2024-11-28 05:26:16,627 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 27 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 32 new quantified variables, introduced 90 case distinctions, treesize of input 1436535 treesize of output 1225916 [2024-11-28 05:26:17,105 INFO L349 Elim1Store]: treesize reduction 535, result has 0.2 percent of original size [2024-11-28 05:26:17,109 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 8 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 12 new quantified variables, introduced 19 case distinctions, treesize of input 850163 treesize of output 767430 [2024-11-28 05:26:17,534 INFO L349 Elim1Store]: treesize reduction 617, result has 0.2 percent of original size [2024-11-28 05:26:17,537 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 9 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 4946970 treesize of output 4279085 [2024-11-28 05:26:18,097 INFO L349 Elim1Store]: treesize reduction 49, result has 9.3 percent of original size [2024-11-28 05:26:18,101 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 301399 treesize of output 269178 [2024-11-28 05:26:18,229 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 11 [2024-11-28 05:26:18,234 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2024-11-28 05:26:18,483 INFO L349 Elim1Store]: treesize reduction 453, result has 0.2 percent of original size [2024-11-28 05:26:18,487 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 11 new quantified variables, introduced 17 case distinctions, treesize of input 1049141 treesize of output 899687 [2024-11-28 05:26:20,063 INFO L349 Elim1Store]: treesize reduction 2599, result has 0.0 percent of original size [2024-11-28 05:26:20,071 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 19 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 24 new quantified variables, introduced 60 case distinctions, treesize of input 25042341 treesize of output 23106040 [2024-11-28 05:26:20,989 INFO L349 Elim1Store]: treesize reduction 2339, result has 0.0 percent of original size [2024-11-28 05:26:20,998 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 17 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 22 new quantified variables, introduced 55 case distinctions, treesize of input 16321179 treesize of output 14778771 [2024-11-28 05:26:24,713 INFO L349 Elim1Store]: treesize reduction 8515, result has 0.0 percent of original size [2024-11-28 05:26:24,724 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 34 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 40 new quantified variables, introduced 133 case distinctions, treesize of input 33107102 treesize of output 28834081 [2024-11-28 05:26:25,040 INFO L349 Elim1Store]: treesize reduction 453, result has 0.2 percent of original size [2024-11-28 05:26:25,044 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 11 new quantified variables, introduced 17 case distinctions, treesize of input 14176317 treesize of output 12826448 [2024-11-28 05:26:26,360 INFO L349 Elim1Store]: treesize reduction 2599, result has 0.0 percent of original size [2024-11-28 05:26:26,367 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 19 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 24 new quantified variables, introduced 60 case distinctions, treesize of input 25644157 treesize of output 23652230 [2024-11-28 05:26:26,588 INFO L349 Elim1Store]: treesize reduction 617, result has 0.2 percent of original size [2024-11-28 05:26:26,591 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 9 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 1785524 treesize of output 1460445 [2024-11-28 05:26:26,788 INFO L349 Elim1Store]: treesize reduction 49, result has 9.3 percent of original size [2024-11-28 05:26:26,791 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 1838137 treesize of output 1665974 [2024-11-28 05:26:26,817 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 11 [2024-11-28 05:26:26,825 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 1 [2024-11-28 05:26:27,107 INFO L349 Elim1Store]: treesize reduction 617, result has 0.2 percent of original size [2024-11-28 05:26:27,111 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 9 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 5520980 treesize of output 4834763 [2024-11-28 05:26:27,419 INFO L349 Elim1Store]: treesize reduction 49, result has 9.3 percent of original size [2024-11-28 05:26:27,422 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 1967670 treesize of output 1781884 [2024-11-28 05:26:27,449 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 11 [2024-11-28 05:26:28,409 INFO L349 Elim1Store]: treesize reduction 3191, result has 0.0 percent of original size [2024-11-28 05:26:28,416 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 21 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 26 new quantified variables, introduced 67 case distinctions, treesize of input 1405984 treesize of output 1235385 [2024-11-28 05:26:28,608 INFO L349 Elim1Store]: treesize reduction 535, result has 0.2 percent of original size [2024-11-28 05:26:28,611 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 8 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 12 new quantified variables, introduced 19 case distinctions, treesize of input 420663 treesize of output 369556 [2024-11-28 05:26:28,896 INFO L349 Elim1Store]: treesize reduction 617, result has 0.2 percent of original size [2024-11-28 05:26:28,899 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 9 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 4756730 treesize of output 4108149 [2024-11-28 05:26:29,887 INFO L349 Elim1Store]: treesize reduction 53, result has 1.9 percent of original size [2024-11-28 05:26:29,888 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 662423 treesize of output 1 [2024-11-28 05:26:30,118 INFO L349 Elim1Store]: treesize reduction 617, result has 0.2 percent of original size [2024-11-28 05:26:30,122 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 9 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 5417418 treesize of output 4684645 [2024-11-28 05:26:30,206 INFO L349 Elim1Store]: treesize reduction 53, result has 1.9 percent of original size [2024-11-28 05:26:30,207 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 328173 treesize of output 1 [2024-11-28 05:26:30,424 INFO L349 Elim1Store]: treesize reduction 535, result has 0.2 percent of original size [2024-11-28 05:26:30,426 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 8 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 12 new quantified variables, introduced 19 case distinctions, treesize of input 451883 treesize of output 396600 [2024-11-28 05:26:31,303 INFO L349 Elim1Store]: treesize reduction 3191, result has 0.0 percent of original size [2024-11-28 05:26:31,311 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 21 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 26 new quantified variables, introduced 67 case distinctions, treesize of input 1550944 treesize of output 1372341 [2024-11-28 05:26:31,502 INFO L349 Elim1Store]: treesize reduction 453, result has 0.2 percent of original size [2024-11-28 05:26:31,505 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 11 new quantified variables, introduced 17 case distinctions, treesize of input 992899 treesize of output 852686 [2024-11-28 05:26:32,900 INFO L349 Elim1Store]: treesize reduction 2599, result has 0.0 percent of original size [2024-11-28 05:26:32,909 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 19 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 24 new quantified variables, introduced 60 case distinctions, treesize of input 24464123 treesize of output 22598476 [2024-11-28 05:26:33,075 INFO L349 Elim1Store]: treesize reduction 453, result has 0.2 percent of original size [2024-11-28 05:26:33,079 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 11 new quantified variables, introduced 17 case distinctions, treesize of input 5325081 treesize of output 4612182 [2024-11-28 05:26:34,550 INFO L349 Elim1Store]: treesize reduction 3169, result has 0.0 percent of original size [2024-11-28 05:26:34,559 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 22 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 27 new quantified variables, introduced 72 case distinctions, treesize of input 12017385 treesize of output 10594852 [2024-11-28 05:26:37,964 INFO L349 Elim1Store]: treesize reduction 8515, result has 0.0 percent of original size [2024-11-28 05:26:37,975 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 34 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 40 new quantified variables, introduced 133 case distinctions, treesize of input 31301791 treesize of output 27137656 [2024-11-28 05:26:38,832 INFO L349 Elim1Store]: treesize reduction 2089, result has 0.0 percent of original size [2024-11-28 05:26:38,838 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 15 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 20 new quantified variables, introduced 48 case distinctions, treesize of input 2682563 treesize of output 2264600 [2024-11-28 05:26:39,050 INFO L349 Elim1Store]: treesize reduction 53, result has 1.9 percent of original size [2024-11-28 05:26:39,052 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 512863 treesize of output 1 [2024-11-28 05:26:39,270 INFO L349 Elim1Store]: treesize reduction 617, result has 0.2 percent of original size [2024-11-28 05:26:39,273 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 9 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 4539156 treesize of output 3926979 [2024-11-28 05:26:39,854 INFO L349 Elim1Store]: treesize reduction 3191, result has 0.0 percent of original size [2024-11-28 05:26:39,859 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 21 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 26 new quantified variables, introduced 67 case distinctions, treesize of input 1389403 treesize of output 1213162 [2024-11-28 05:26:40,111 INFO L349 Elim1Store]: treesize reduction 535, result has 0.2 percent of original size [2024-11-28 05:26:40,115 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 8 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 12 new quantified variables, introduced 19 case distinctions, treesize of input 721387 treesize of output 656209 [2024-11-28 05:26:40,289 INFO L349 Elim1Store]: treesize reduction 53, result has 1.9 percent of original size [2024-11-28 05:26:40,291 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 570493 treesize of output 1 [2024-11-28 05:26:40,456 INFO L349 Elim1Store]: treesize reduction 617, result has 0.2 percent of original size [2024-11-28 05:26:40,459 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 9 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 3878468 treesize of output 3350483 [2024-11-28 05:26:40,646 INFO L349 Elim1Store]: treesize reduction 53, result has 1.9 percent of original size [2024-11-28 05:26:40,648 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 563727 treesize of output 1 [2024-11-28 05:26:40,866 INFO L349 Elim1Store]: treesize reduction 617, result has 0.2 percent of original size [2024-11-28 05:26:40,870 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 9 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 5009604 treesize of output 4332539 [2024-11-28 05:26:41,676 INFO L349 Elim1Store]: treesize reduction 617, result has 0.2 percent of original size [2024-11-28 05:26:41,680 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 9 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 4348916 treesize of output 3756043 [2024-11-28 05:26:41,858 INFO L349 Elim1Store]: treesize reduction 53, result has 1.9 percent of original size [2024-11-28 05:26:41,860 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 677633 treesize of output 1 [2024-11-28 05:26:42,085 INFO L349 Elim1Store]: treesize reduction 535, result has 0.2 percent of original size [2024-11-28 05:26:42,089 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 8 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 12 new quantified variables, introduced 19 case distinctions, treesize of input 584771 treesize of output 531992 [2024-11-28 05:26:42,764 INFO L349 Elim1Store]: treesize reduction 3191, result has 0.0 percent of original size [2024-11-28 05:26:42,771 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 21 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 26 new quantified variables, introduced 67 case distinctions, treesize of input 1399079 treesize of output 1236626 [2024-11-28 05:26:42,982 INFO L349 Elim1Store]: treesize reduction 53, result has 1.9 percent of original size [2024-11-28 05:26:42,984 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 568685 treesize of output 1 [2024-11-28 05:26:43,132 INFO L349 Elim1Store]: treesize reduction 617, result has 0.2 percent of original size [2024-11-28 05:26:43,134 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 9 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 3876660 treesize of output 3348939 [2024-11-28 05:26:43,635 INFO L349 Elim1Store]: treesize reduction 617, result has 0.2 percent of original size [2024-11-28 05:26:43,638 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 9 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 4537348 treesize of output 3925435 [2024-11-28 05:26:43,827 INFO L349 Elim1Store]: treesize reduction 53, result has 1.9 percent of original size [2024-11-28 05:26:43,829 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 511419 treesize of output 1 [2024-11-28 05:26:44,496 INFO L349 Elim1Store]: treesize reduction 3191, result has 0.0 percent of original size [2024-11-28 05:26:44,504 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 21 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 26 new quantified variables, introduced 67 case distinctions, treesize of input 1254119 treesize of output 1099670 [2024-11-28 05:26:44,741 INFO L349 Elim1Store]: treesize reduction 535, result has 0.2 percent of original size [2024-11-28 05:26:44,744 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 8 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 12 new quantified variables, introduced 19 case distinctions, treesize of input 269285 treesize of output 238082 [2024-11-28 05:26:44,834 INFO L349 Elim1Store]: treesize reduction 53, result has 1.9 percent of original size [2024-11-28 05:26:44,836 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 1745587 treesize of output 1 [2024-11-28 05:26:44,955 INFO L349 Elim1Store]: treesize reduction 617, result has 0.2 percent of original size [2024-11-28 05:26:44,959 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 9 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 4338590 treesize of output 3774091 [2024-11-28 05:26:45,089 INFO L349 Elim1Store]: treesize reduction 53, result has 1.9 percent of original size [2024-11-28 05:26:45,091 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 1878596 treesize of output 1 [2024-11-28 05:26:45,219 INFO L349 Elim1Store]: treesize reduction 617, result has 0.2 percent of original size [2024-11-28 05:26:45,222 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 9 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 5114212 treesize of output 4476001 [2024-11-28 05:26:45,650 INFO L349 Elim1Store]: treesize reduction 3191, result has 0.0 percent of original size [2024-11-28 05:26:45,655 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 21 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 26 new quantified variables, introduced 67 case distinctions, treesize of input 1352900 treesize of output 1180191 [2024-11-28 05:26:45,893 INFO L349 Elim1Store]: treesize reduction 535, result has 0.2 percent of original size [2024-11-28 05:26:45,896 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 8 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 12 new quantified variables, introduced 19 case distinctions, treesize of input 719193 treesize of output 654293 [2024-11-28 05:26:45,987 INFO L349 Elim1Store]: treesize reduction 53, result has 1.9 percent of original size [2024-11-28 05:26:45,989 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 1877114 treesize of output 1 [2024-11-28 05:26:46,118 INFO L349 Elim1Store]: treesize reduction 617, result has 0.2 percent of original size [2024-11-28 05:26:46,121 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 9 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 5112726 treesize of output 4474667 [2024-11-28 05:26:46,190 INFO L349 Elim1Store]: treesize reduction 53, result has 1.9 percent of original size [2024-11-28 05:26:46,192 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 1748547 treesize of output 1 [2024-11-28 05:26:46,308 INFO L349 Elim1Store]: treesize reduction 617, result has 0.2 percent of original size [2024-11-28 05:26:46,311 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 9 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 1577504 treesize of output 1279207 [2024-11-28 05:26:46,652 INFO L349 Elim1Store]: treesize reduction 535, result has 0.2 percent of original size [2024-11-28 05:26:46,655 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 8 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 12 new quantified variables, introduced 19 case distinctions, treesize of input 705049 treesize of output 644377 [2024-11-28 05:26:47,176 INFO L349 Elim1Store]: treesize reduction 2877, result has 0.0 percent of original size [2024-11-28 05:26:47,182 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 20 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 25 new quantified variables, introduced 63 case distinctions, treesize of input 4282112 treesize of output 3716798 [2024-11-28 05:26:48,651 INFO L349 Elim1Store]: treesize reduction 2599, result has 0.0 percent of original size [2024-11-28 05:26:48,660 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 19 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 24 new quantified variables, introduced 60 case distinctions, treesize of input 51026361 treesize of output 47250760 [2024-11-28 05:26:48,793 INFO L349 Elim1Store]: treesize reduction 373, result has 0.3 percent of original size [2024-11-28 05:26:48,797 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 6 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 14 case distinctions, treesize of input 13973299 treesize of output 12767064 [2024-11-28 05:26:49,580 INFO L349 Elim1Store]: treesize reduction 1519, result has 0.1 percent of original size [2024-11-28 05:26:49,586 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 17 new quantified variables, introduced 36 case distinctions, treesize of input 37348612 treesize of output 34527052 [2024-11-28 05:26:52,728 INFO L349 Elim1Store]: treesize reduction 8515, result has 0.0 percent of original size [2024-11-28 05:26:52,736 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 34 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 40 new quantified variables, introduced 133 case distinctions, treesize of input 35262227 treesize of output 31038824 [2024-11-28 05:26:52,894 INFO L349 Elim1Store]: treesize reduction 373, result has 0.3 percent of original size [2024-11-28 05:26:52,898 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 6 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 14 case distinctions, treesize of input 12570497 treesize of output 11486186 [2024-11-28 05:26:54,230 INFO L349 Elim1Store]: treesize reduction 2599, result has 0.0 percent of original size [2024-11-28 05:26:54,238 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 19 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 24 new quantified variables, introduced 60 case distinctions, treesize of input 50044013 treesize of output 46358412 [2024-11-28 05:26:54,502 INFO L349 Elim1Store]: treesize reduction 535, result has 0.2 percent of original size [2024-11-28 05:26:54,506 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 8 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 12 new quantified variables, introduced 19 case distinctions, treesize of input 747447 treesize of output 683563 [2024-11-28 05:26:55,269 INFO L349 Elim1Store]: treesize reduction 3191, result has 0.0 percent of original size [2024-11-28 05:26:55,275 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 21 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 26 new quantified variables, introduced 67 case distinctions, treesize of input 1402486 treesize of output 1239697 [2024-11-28 05:26:55,390 INFO L349 Elim1Store]: treesize reduction 53, result has 1.9 percent of original size [2024-11-28 05:26:55,391 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 1837827 treesize of output 1 [2024-11-28 05:26:55,597 INFO L349 Elim1Store]: treesize reduction 617, result has 0.2 percent of original size [2024-11-28 05:26:55,600 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 9 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 4347326 treesize of output 3754679 [2024-11-28 05:26:55,696 INFO L349 Elim1Store]: treesize reduction 53, result has 1.9 percent of original size [2024-11-28 05:26:55,698 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 1967360 treesize of output 1 [2024-11-28 05:26:55,945 INFO L349 Elim1Store]: treesize reduction 617, result has 0.2 percent of original size [2024-11-28 05:26:55,948 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 9 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 5008014 treesize of output 4331175 [2024-11-28 05:26:56,326 INFO L349 Elim1Store]: treesize reduction 535, result has 0.2 percent of original size [2024-11-28 05:26:56,329 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 8 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 12 new quantified variables, introduced 19 case distinctions, treesize of input 582222 treesize of output 529781 [2024-11-28 05:26:57,189 INFO L349 Elim1Store]: treesize reduction 3191, result has 0.0 percent of original size [2024-11-28 05:26:57,197 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 21 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 26 new quantified variables, introduced 67 case distinctions, treesize of input 1397912 treesize of output 1235633 [2024-11-28 05:26:57,403 INFO L349 Elim1Store]: treesize reduction 617, result has 0.2 percent of original size [2024-11-28 05:26:57,406 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 9 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 4347403 treesize of output 3754744 [2024-11-28 05:26:58,315 INFO L349 Elim1Store]: treesize reduction 53, result has 1.9 percent of original size [2024-11-28 05:26:58,317 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 609978 treesize of output 1 [2024-11-28 05:26:58,452 INFO L349 Elim1Store]: treesize reduction 53, result has 1.9 percent of original size [2024-11-28 05:26:58,454 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 301072 treesize of output 1 [2024-11-28 05:26:58,718 INFO L349 Elim1Store]: treesize reduction 617, result has 0.2 percent of original size [2024-11-28 05:26:58,721 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 9 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 5008091 treesize of output 4331240 [2024-11-28 05:26:59,218 INFO L349 Elim1Store]: treesize reduction 617, result has 0.2 percent of original size [2024-11-28 05:26:59,221 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 9 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 4537643 treesize of output 3925680 [2024-11-28 05:26:59,431 INFO L349 Elim1Store]: treesize reduction 53, result has 1.9 percent of original size [2024-11-28 05:26:59,433 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 274298 treesize of output 1 [2024-11-28 05:26:59,485 INFO L349 Elim1Store]: treesize reduction 53, result has 1.9 percent of original size [2024-11-28 05:26:59,487 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 558650 treesize of output 1 [2024-11-28 05:26:59,638 INFO L349 Elim1Store]: treesize reduction 617, result has 0.2 percent of original size [2024-11-28 05:26:59,641 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 9 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 3876955 treesize of output 3349184 [2024-11-28 05:27:00,056 INFO L349 Elim1Store]: treesize reduction 3191, result has 0.0 percent of original size [2024-11-28 05:27:00,061 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 21 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 26 new quantified variables, introduced 67 case distinctions, treesize of input 1352990 treesize of output 1180267 [2024-11-28 05:27:00,341 INFO L349 Elim1Store]: treesize reduction 535, result has 0.2 percent of original size [2024-11-28 05:27:00,343 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 8 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 12 new quantified variables, introduced 19 case distinctions, treesize of input 719283 treesize of output 654369 [2024-11-28 05:27:00,429 INFO L349 Elim1Store]: treesize reduction 53, result has 1.9 percent of original size [2024-11-28 05:27:00,430 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 1782056 treesize of output 1 [2024-11-28 05:27:00,544 INFO L349 Elim1Store]: treesize reduction 617, result has 0.2 percent of original size [2024-11-28 05:27:00,547 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 9 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 1577594 treesize of output 1279283 [2024-11-28 05:27:00,780 INFO L349 Elim1Store]: treesize reduction 617, result has 0.2 percent of original size [2024-11-28 05:27:00,784 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 9 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 5112816 treesize of output 4474743 [2024-11-28 05:27:01,043 INFO L349 Elim1Store]: treesize reduction 53, result has 1.9 percent of original size [2024-11-28 05:27:01,045 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 1877204 treesize of output 1 [2024-11-28 05:27:01,682 INFO L349 Elim1Store]: treesize reduction 3191, result has 0.0 percent of original size [2024-11-28 05:27:01,687 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 21 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 26 new quantified variables, introduced 67 case distinctions, treesize of input 1252952 treesize of output 1098677 [2024-11-28 05:27:01,846 INFO L349 Elim1Store]: treesize reduction 535, result has 0.2 percent of original size [2024-11-28 05:27:01,849 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 8 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 12 new quantified variables, introduced 19 case distinctions, treesize of input 268092 treesize of output 237059 [2024-11-28 05:27:02,643 INFO L349 Elim1Store]: treesize reduction 2089, result has 0.0 percent of original size [2024-11-28 05:27:02,649 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 15 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 20 new quantified variables, introduced 48 case distinctions, treesize of input 18822764 treesize of output 17386347 [2024-11-28 05:27:05,740 INFO L349 Elim1Store]: treesize reduction 8515, result has 0.0 percent of original size [2024-11-28 05:27:05,748 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 34 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 40 new quantified variables, introduced 133 case distinctions, treesize of input 35262378 treesize of output 31038947 [2024-11-28 05:27:07,450 INFO L349 Elim1Store]: treesize reduction 2599, result has 0.0 percent of original size [2024-11-28 05:27:07,457 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 19 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 24 new quantified variables, introduced 60 case distinctions, treesize of input 25980824 treesize of output 23986523 [2024-11-28 05:27:07,774 INFO L349 Elim1Store]: treesize reduction 373, result has 0.3 percent of original size [2024-11-28 05:27:07,779 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 6 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 14 case distinctions, treesize of input 16625320 treesize of output 15207653 [2024-11-28 05:27:07,985 INFO L349 Elim1Store]: treesize reduction 373, result has 0.3 percent of original size [2024-11-28 05:27:07,989 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 6 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 14 case distinctions, treesize of input 16291530 treesize of output 14901945 [2024-11-28 05:27:09,332 INFO L349 Elim1Store]: treesize reduction 2599, result has 0.0 percent of original size [2024-11-28 05:27:09,340 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 19 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 24 new quantified variables, introduced 60 case distinctions, treesize of input 25431888 treesize of output 23485813 [2024-11-28 05:27:09,812 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-28 05:27:09,817 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 [2024-11-28 05:27:09,883 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 19 treesize of output 11 [2024-11-28 05:27:09,933 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 18 treesize of output 7 [2024-11-28 05:27:10,972 INFO L134 CoverageAnalysis]: Checked inductivity of 3606 backedges. 944 proven. 34 refuted. 0 times theorem prover too weak. 2628 trivial. 0 not checked. [2024-11-28 05:27:10,972 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:27:13,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [640583116] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:27:13,885 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 05:27:13,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 18] total 20 [2024-11-28 05:27:13,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785021872] [2024-11-28 05:27:13,886 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 05:27:13,887 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-28 05:27:13,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:27:13,889 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-28 05:27:13,889 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=748, Unknown=0, NotChecked=0, Total=870 [2024-11-28 05:27:13,890 INFO L87 Difference]: Start difference. First operand 2416 states and 3306 transitions. Second operand has 20 states, 20 states have (on average 17.55) internal successors, (351), 20 states have internal predecessors, (351), 3 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4)