./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test2-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9d0c12-fa54-4c19-8380-650716cc33cc/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9d0c12-fa54-4c19-8380-650716cc33cc/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9d0c12-fa54-4c19-8380-650716cc33cc/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9d0c12-fa54-4c19-8380-650716cc33cc/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test2-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9d0c12-fa54-4c19-8380-650716cc33cc/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-MemCleanup-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9d0c12-fa54-4c19-8380-650716cc33cc/bin/uautomizer-verify-qhAvR1uOyd --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 e277983cfe4b30513b023d34f2b840358d8a25fd7a5c39241cadd105379bfb92 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 13:16:50,698 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 13:16:50,811 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9d0c12-fa54-4c19-8380-650716cc33cc/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2024-11-13 13:16:50,820 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 13:16:50,824 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 13:16:50,852 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 13:16:50,853 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 13:16:50,853 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 13:16:50,854 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 13:16:50,854 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 13:16:50,854 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 13:16:50,854 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 13:16:50,855 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 13:16:50,855 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 13:16:50,855 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 13:16:50,856 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 13:16:50,856 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 13:16:50,856 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 13:16:50,856 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 13:16:50,856 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 13:16:50,857 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 13:16:50,857 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 13:16:50,857 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-13 13:16:50,857 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-13 13:16:50,857 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 13:16:50,858 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 13:16:50,858 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 13:16:50,858 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 13:16:50,858 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 13:16:50,858 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 13:16:50,859 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 13:16:50,859 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 13:16:50,859 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 13:16:50,859 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 13:16:50,859 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 13:16:50,860 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 13:16:50,860 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:16:50,860 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 13:16:50,860 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 13:16:50,860 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 13:16:50,861 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 13:16:50,861 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 13:16:50,861 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 13:16:50,861 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 13:16:50,861 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 13:16:50,861 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_5c9d0c12-fa54-4c19-8380-650716cc33cc/bin/uautomizer-verify-qhAvR1uOyd Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G 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 -> e277983cfe4b30513b023d34f2b840358d8a25fd7a5c39241cadd105379bfb92 [2024-11-13 13:16:51,214 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 13:16:51,225 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 13:16:51,229 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 13:16:51,231 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 13:16:51,231 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 13:16:51,232 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9d0c12-fa54-4c19-8380-650716cc33cc/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test2-1.i Unable to find full path for "g++" [2024-11-13 13:16:53,121 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 13:16:53,535 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 13:16:53,535 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9d0c12-fa54-4c19-8380-650716cc33cc/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test2-1.i [2024-11-13 13:16:53,564 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9d0c12-fa54-4c19-8380-650716cc33cc/bin/uautomizer-verify-qhAvR1uOyd/data/81e879e14/0ecaddf9006a436ea7b17925558f1c70/FLAG8eeec48ea [2024-11-13 13:16:53,697 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9d0c12-fa54-4c19-8380-650716cc33cc/bin/uautomizer-verify-qhAvR1uOyd/data/81e879e14/0ecaddf9006a436ea7b17925558f1c70 [2024-11-13 13:16:53,700 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 13:16:53,702 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 13:16:53,703 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 13:16:53,704 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 13:16:53,709 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 13:16:53,710 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:16:53" (1/1) ... [2024-11-13 13:16:53,711 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6be7ea5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:16:53, skipping insertion in model container [2024-11-13 13:16:53,711 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:16:53" (1/1) ... [2024-11-13 13:16:53,772 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 13:16:54,334 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 13:16:54,392 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 13:16:54,396 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 13:16:54,400 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 13:16:54,413 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 13:16:54,475 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 13:16:54,475 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 13:16:54,478 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 13:16:54,479 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 13:16:54,491 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:16:54,503 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 13:16:54,621 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:16:54,676 INFO L204 MainTranslator]: Completed translation [2024-11-13 13:16:54,677 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:16:54 WrapperNode [2024-11-13 13:16:54,678 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 13:16:54,679 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 13:16:54,679 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 13:16:54,679 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 13:16:54,687 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:16:54" (1/1) ... [2024-11-13 13:16:54,728 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:16:54" (1/1) ... [2024-11-13 13:16:54,831 INFO L138 Inliner]: procedures = 207, calls = 222, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1249 [2024-11-13 13:16:54,832 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 13:16:54,833 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 13:16:54,833 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 13:16:54,833 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 13:16:54,842 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:16:54" (1/1) ... [2024-11-13 13:16:54,843 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:16:54" (1/1) ... [2024-11-13 13:16:54,852 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:16:54" (1/1) ... [2024-11-13 13:16:54,940 INFO L175 MemorySlicer]: Split 206 memory accesses to 3 slices as follows [2, 34, 170]. 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]. [2024-11-13 13:16:54,940 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:16:54" (1/1) ... [2024-11-13 13:16:54,940 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:16:54" (1/1) ... [2024-11-13 13:16:55,007 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:16:54" (1/1) ... [2024-11-13 13:16:55,031 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:16:54" (1/1) ... [2024-11-13 13:16:55,040 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:16:54" (1/1) ... [2024-11-13 13:16:55,052 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:16:54" (1/1) ... [2024-11-13 13:16:55,068 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 13:16:55,069 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 13:16:55,069 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 13:16:55,069 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 13:16:55,071 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:16:54" (1/1) ... [2024-11-13 13:16:55,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:16:55,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9d0c12-fa54-4c19-8380-650716cc33cc/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:16:55,146 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9d0c12-fa54-4c19-8380-650716cc33cc/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 13:16:55,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9d0c12-fa54-4c19-8380-650716cc33cc/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 13:16:55,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-13 13:16:55,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-13 13:16:55,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-13 13:16:55,180 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-13 13:16:55,182 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-13 13:16:55,182 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-13 13:16:55,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 13:16:55,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-13 13:16:55,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-13 13:16:55,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-13 13:16:55,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 13:16:55,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-13 13:16:55,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-13 13:16:55,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-13 13:16:55,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-13 13:16:55,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-13 13:16:55,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-13 13:16:55,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 13:16:55,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 13:16:55,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-13 13:16:55,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-13 13:16:55,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-13 13:16:55,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 13:16:55,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-13 13:16:55,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-13 13:16:55,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 13:16:55,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 13:16:55,448 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 13:16:55,450 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 13:16:57,422 INFO L? ?]: Removed 296 outVars from TransFormulas that were not future-live. [2024-11-13 13:16:57,422 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 13:16:57,444 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 13:16:57,445 INFO L316 CfgBuilder]: Removed 54 assume(true) statements. [2024-11-13 13:16:57,445 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:16:57 BoogieIcfgContainer [2024-11-13 13:16:57,445 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 13:16:57,448 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 13:16:57,448 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 13:16:57,453 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 13:16:57,454 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:16:53" (1/3) ... [2024-11-13 13:16:57,454 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59f4796e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:16:57, skipping insertion in model container [2024-11-13 13:16:57,455 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:16:54" (2/3) ... [2024-11-13 13:16:57,455 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59f4796e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:16:57, skipping insertion in model container [2024-11-13 13:16:57,455 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:16:57" (3/3) ... [2024-11-13 13:16:57,456 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_FNV_nondet_test2-1.i [2024-11-13 13:16:57,474 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 13:16:57,476 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_FNV_nondet_test2-1.i that has 4 procedures, 376 locations, 1 initial locations, 33 loop locations, and 2 error locations. [2024-11-13 13:16:57,529 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:16:57,543 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;@41840263, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:16:57,543 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-13 13:16:57,549 INFO L276 IsEmpty]: Start isEmpty. Operand has 368 states, 361 states have (on average 1.6232686980609419) internal successors, (586), 363 states have internal predecessors, (586), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-13 13:16:57,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 13:16:57,555 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:16:57,556 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-13 13:16:57,556 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-13 13:16:57,564 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:16:57,565 INFO L85 PathProgramCache]: Analyzing trace with hash 1665774, now seen corresponding path program 1 times [2024-11-13 13:16:57,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:16:57,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394085559] [2024-11-13 13:16:57,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:16:57,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:16:57,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:57,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:16:57,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:16:57,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394085559] [2024-11-13 13:16:57,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394085559] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:16:57,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:16:57,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:16:57,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424635509] [2024-11-13 13:16:57,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:16:57,878 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 13:16:57,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:16:57,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 13:16:57,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:16:57,909 INFO L87 Difference]: Start difference. First operand has 368 states, 361 states have (on average 1.6232686980609419) internal successors, (586), 363 states have internal predecessors, (586), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:16:58,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:16:58,191 INFO L93 Difference]: Finished difference Result 531 states and 772 transitions. [2024-11-13 13:16:58,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:16:58,197 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-11-13 13:16:58,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:16:58,214 INFO L225 Difference]: With dead ends: 531 [2024-11-13 13:16:58,214 INFO L226 Difference]: Without dead ends: 527 [2024-11-13 13:16:58,216 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:16:58,220 INFO L432 NwaCegarLoop]: 521 mSDtfsCounter, 239 mSDsluCounter, 1026 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 1547 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 13:16:58,221 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [239 Valid, 1547 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 13:16:58,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 527 states. [2024-11-13 13:16:58,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 527 to 524. [2024-11-13 13:16:58,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 524 states, 518 states have (on average 1.4633204633204633) internal successors, (758), 519 states have internal predecessors, (758), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-13 13:16:58,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 764 transitions. [2024-11-13 13:16:58,339 INFO L78 Accepts]: Start accepts. Automaton has 524 states and 764 transitions. Word has length 4 [2024-11-13 13:16:58,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:16:58,342 INFO L471 AbstractCegarLoop]: Abstraction has 524 states and 764 transitions. [2024-11-13 13:16:58,342 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:16:58,342 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 764 transitions. [2024-11-13 13:16:58,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-13 13:16:58,348 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:16:58,348 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:16:58,348 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 13:16:58,349 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-13 13:16:58,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:16:58,350 INFO L85 PathProgramCache]: Analyzing trace with hash -536950405, now seen corresponding path program 1 times [2024-11-13 13:16:58,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:16:58,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62323153] [2024-11-13 13:16:58,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:16:58,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:16:58,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:16:58,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:16:58,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:16:58,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62323153] [2024-11-13 13:16:58,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62323153] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:16:58,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:16:58,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 13:16:58,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452750088] [2024-11-13 13:16:58,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:16:58,784 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 13:16:58,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:16:58,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 13:16:58,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:16:58,786 INFO L87 Difference]: Start difference. First operand 524 states and 764 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:16:58,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:16:58,934 INFO L93 Difference]: Finished difference Result 530 states and 756 transitions. [2024-11-13 13:16:58,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:16:58,935 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2024-11-13 13:16:58,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:16:58,941 INFO L225 Difference]: With dead ends: 530 [2024-11-13 13:16:58,941 INFO L226 Difference]: Without dead ends: 530 [2024-11-13 13:16:58,941 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:16:58,942 INFO L432 NwaCegarLoop]: 500 mSDtfsCounter, 105 mSDsluCounter, 907 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 1407 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 [2024-11-13 13:16:58,942 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 1407 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 13:16:58,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2024-11-13 13:16:58,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 524. [2024-11-13 13:16:58,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 524 states, 518 states have (on average 1.4362934362934363) internal successors, (744), 519 states have internal predecessors, (744), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-13 13:16:58,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 750 transitions. [2024-11-13 13:16:58,966 INFO L78 Accepts]: Start accepts. Automaton has 524 states and 750 transitions. Word has length 67 [2024-11-13 13:16:58,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:16:58,966 INFO L471 AbstractCegarLoop]: Abstraction has 524 states and 750 transitions. [2024-11-13 13:16:58,966 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:16:58,967 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 750 transitions. [2024-11-13 13:16:58,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-13 13:16:58,969 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:16:58,969 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:16:58,969 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 13:16:58,970 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-13 13:16:58,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:16:58,970 INFO L85 PathProgramCache]: Analyzing trace with hash 1216942319, now seen corresponding path program 1 times [2024-11-13 13:16:58,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:16:58,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508453945] [2024-11-13 13:16:58,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:16:58,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:16:59,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:00,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:17:00,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:17:00,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508453945] [2024-11-13 13:17:00,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508453945] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:17:00,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:17:00,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 13:17:00,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658254077] [2024-11-13 13:17:00,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:17:00,047 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 13:17:00,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:17:00,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 13:17:00,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-13 13:17:00,049 INFO L87 Difference]: Start difference. First operand 524 states and 750 transitions. Second operand has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:17:00,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:17:00,313 INFO L93 Difference]: Finished difference Result 723 states and 1035 transitions. [2024-11-13 13:17:00,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 13:17:00,315 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2024-11-13 13:17:00,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:17:00,320 INFO L225 Difference]: With dead ends: 723 [2024-11-13 13:17:00,320 INFO L226 Difference]: Without dead ends: 720 [2024-11-13 13:17:00,320 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:17:00,321 INFO L432 NwaCegarLoop]: 549 mSDtfsCounter, 505 mSDsluCounter, 1597 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 508 SdHoareTripleChecker+Valid, 2146 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 13:17:00,322 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [508 Valid, 2146 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 13:17:00,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 720 states. [2024-11-13 13:17:00,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 720 to 367. [2024-11-13 13:17:00,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 367 states, 361 states have (on average 1.4321329639889198) internal successors, (517), 362 states have internal predecessors, (517), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-13 13:17:00,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 523 transitions. [2024-11-13 13:17:00,343 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 523 transitions. Word has length 67 [2024-11-13 13:17:00,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:17:00,344 INFO L471 AbstractCegarLoop]: Abstraction has 367 states and 523 transitions. [2024-11-13 13:17:00,344 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:17:00,344 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 523 transitions. [2024-11-13 13:17:00,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-13 13:17:00,347 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:17:00,347 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:17:00,347 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 13:17:00,347 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-13 13:17:00,348 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:17:00,348 INFO L85 PathProgramCache]: Analyzing trace with hash -756297307, now seen corresponding path program 1 times [2024-11-13 13:17:00,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:17:00,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901885453] [2024-11-13 13:17:00,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:17:00,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:17:00,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:00,747 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:17:00,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:17:00,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901885453] [2024-11-13 13:17:00,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901885453] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:17:00,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:17:00,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 13:17:00,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010488667] [2024-11-13 13:17:00,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:17:00,752 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 13:17:00,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:17:00,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 13:17:00,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:17:00,753 INFO L87 Difference]: Start difference. First operand 367 states and 523 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) [2024-11-13 13:17:00,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:17:00,892 INFO L93 Difference]: Finished difference Result 325 states and 446 transitions. [2024-11-13 13:17:00,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 13:17:00,892 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 [2024-11-13 13:17:00,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:17:00,894 INFO L225 Difference]: With dead ends: 325 [2024-11-13 13:17:00,895 INFO L226 Difference]: Without dead ends: 325 [2024-11-13 13:17:00,895 INFO L431 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 [2024-11-13 13:17:00,896 INFO L432 NwaCegarLoop]: 417 mSDtfsCounter, 33 mSDsluCounter, 818 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 1235 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 [2024-11-13 13:17:00,896 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 1235 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 13:17:00,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2024-11-13 13:17:00,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 325. [2024-11-13 13:17:00,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 319 states have (on average 1.3793103448275863) internal successors, (440), 320 states have internal predecessors, (440), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-13 13:17:00,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 446 transitions. [2024-11-13 13:17:00,913 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 446 transitions. Word has length 86 [2024-11-13 13:17:00,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:17:00,913 INFO L471 AbstractCegarLoop]: Abstraction has 325 states and 446 transitions. [2024-11-13 13:17:00,914 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) [2024-11-13 13:17:00,914 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 446 transitions. [2024-11-13 13:17:00,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-13 13:17:00,920 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:17:00,920 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:17:00,920 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 13:17:00,921 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-13 13:17:00,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:17:00,925 INFO L85 PathProgramCache]: Analyzing trace with hash -492038123, now seen corresponding path program 1 times [2024-11-13 13:17:00,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:17:00,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857146247] [2024-11-13 13:17:00,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:17:00,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:17:01,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:01,228 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:17:01,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:17:01,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857146247] [2024-11-13 13:17:01,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857146247] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:17:01,229 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:17:01,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:17:01,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606326835] [2024-11-13 13:17:01,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:17:01,234 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:17:01,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:17:01,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:17:01,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:17:01,235 INFO L87 Difference]: Start difference. First operand 325 states and 446 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) [2024-11-13 13:17:01,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:17:01,324 INFO L93 Difference]: Finished difference Result 325 states and 443 transitions. [2024-11-13 13:17:01,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:17:01,325 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 [2024-11-13 13:17:01,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:17:01,329 INFO L225 Difference]: With dead ends: 325 [2024-11-13 13:17:01,329 INFO L226 Difference]: Without dead ends: 325 [2024-11-13 13:17:01,330 INFO L431 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 [2024-11-13 13:17:01,332 INFO L432 NwaCegarLoop]: 432 mSDtfsCounter, 2 mSDsluCounter, 410 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 842 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:17:01,333 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 842 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 13:17:01,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2024-11-13 13:17:01,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 325. [2024-11-13 13:17:01,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 319 states have (on average 1.3699059561128526) internal successors, (437), 320 states have internal predecessors, (437), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-13 13:17:01,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 443 transitions. [2024-11-13 13:17:01,350 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 443 transitions. Word has length 86 [2024-11-13 13:17:01,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:17:01,350 INFO L471 AbstractCegarLoop]: Abstraction has 325 states and 443 transitions. [2024-11-13 13:17:01,350 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) [2024-11-13 13:17:01,351 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 443 transitions. [2024-11-13 13:17:01,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-13 13:17:01,354 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:17:01,355 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:17:01,355 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 13:17:01,357 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-13 13:17:01,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:17:01,357 INFO L85 PathProgramCache]: Analyzing trace with hash -1842460965, now seen corresponding path program 1 times [2024-11-13 13:17:01,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:17:01,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460957784] [2024-11-13 13:17:01,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:17:01,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:17:01,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:01,609 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:17:01,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:17:01,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460957784] [2024-11-13 13:17:01,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [460957784] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:17:01,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:17:01,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:17:01,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095104623] [2024-11-13 13:17:01,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:17:01,612 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:17:01,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:17:01,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:17:01,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:17:01,613 INFO L87 Difference]: Start difference. First operand 325 states and 443 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) [2024-11-13 13:17:01,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:17:01,685 INFO L93 Difference]: Finished difference Result 553 states and 758 transitions. [2024-11-13 13:17:01,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:17:01,685 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 [2024-11-13 13:17:01,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:17:01,690 INFO L225 Difference]: With dead ends: 553 [2024-11-13 13:17:01,690 INFO L226 Difference]: Without dead ends: 553 [2024-11-13 13:17:01,690 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:17:01,691 INFO L432 NwaCegarLoop]: 627 mSDtfsCounter, 257 mSDsluCounter, 423 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 1050 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 [2024-11-13 13:17:01,693 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 1050 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 13:17:01,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 553 states. [2024-11-13 13:17:01,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 553 to 547. [2024-11-13 13:17:01,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 547 states, 541 states have (on average 1.3826247689463955) internal successors, (748), 542 states have internal predecessors, (748), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-13 13:17:01,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 754 transitions. [2024-11-13 13:17:01,743 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 754 transitions. Word has length 86 [2024-11-13 13:17:01,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:17:01,744 INFO L471 AbstractCegarLoop]: Abstraction has 547 states and 754 transitions. [2024-11-13 13:17:01,744 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) [2024-11-13 13:17:01,744 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 754 transitions. [2024-11-13 13:17:01,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-13 13:17:01,746 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:17:01,746 INFO L215 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] [2024-11-13 13:17:01,746 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-13 13:17:01,746 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-13 13:17:01,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:17:01,747 INFO L85 PathProgramCache]: Analyzing trace with hash -586126799, now seen corresponding path program 1 times [2024-11-13 13:17:01,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:17:01,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124091907] [2024-11-13 13:17:01,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:17:01,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:17:02,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:02,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-13 13:17:02,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:02,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-13 13:17:02,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:02,501 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 13:17:02,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:17:02,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124091907] [2024-11-13 13:17:02,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124091907] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:17:02,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1787752447] [2024-11-13 13:17:02,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:17:02,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:17:02,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9d0c12-fa54-4c19-8380-650716cc33cc/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:17:02,505 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9d0c12-fa54-4c19-8380-650716cc33cc/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:17:02,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9d0c12-fa54-4c19-8380-650716cc33cc/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 13:17:02,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:03,007 INFO L255 TraceCheckSpWp]: Trace formula consists of 589 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-13 13:17:03,025 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:17:03,067 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-13 13:17:03,108 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 22 treesize of output 7 [2024-11-13 13:17:04,050 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 13:17:04,050 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 77 treesize of output 55 [2024-11-13 13:17:04,638 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 13:17:04,639 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:17:04,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1787752447] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:17:04,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 13:17:04,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [5] total 14 [2024-11-13 13:17:04,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078909620] [2024-11-13 13:17:04,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:17:04,640 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-13 13:17:04,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:17:04,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-13 13:17:04,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2024-11-13 13:17:04,643 INFO L87 Difference]: Start difference. First operand 547 states and 754 transitions. Second operand has 11 states, 11 states have (on average 8.545454545454545) internal successors, (94), 11 states have internal predecessors, (94), 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) [2024-11-13 13:17:06,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:17:06,288 INFO L93 Difference]: Finished difference Result 777 states and 1073 transitions. [2024-11-13 13:17:06,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 13:17:06,289 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.545454545454545) internal successors, (94), 11 states have internal predecessors, (94), 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 [2024-11-13 13:17:06,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:17:06,292 INFO L225 Difference]: With dead ends: 777 [2024-11-13 13:17:06,292 INFO L226 Difference]: Without dead ends: 777 [2024-11-13 13:17:06,293 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=89, Invalid=373, Unknown=0, NotChecked=0, Total=462 [2024-11-13 13:17:06,294 INFO L432 NwaCegarLoop]: 414 mSDtfsCounter, 546 mSDsluCounter, 1838 mSDsCounter, 0 mSdLazyCounter, 426 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 548 SdHoareTripleChecker+Valid, 2252 SdHoareTripleChecker+Invalid, 431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 426 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:17:06,294 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [548 Valid, 2252 Invalid, 431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 426 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-13 13:17:06,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 777 states. [2024-11-13 13:17:06,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 777 to 547. [2024-11-13 13:17:06,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 547 states, 541 states have (on average 1.3807763401109057) internal successors, (747), 542 states have internal predecessors, (747), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-13 13:17:06,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 753 transitions. [2024-11-13 13:17:06,325 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 753 transitions. Word has length 101 [2024-11-13 13:17:06,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:17:06,327 INFO L471 AbstractCegarLoop]: Abstraction has 547 states and 753 transitions. [2024-11-13 13:17:06,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.545454545454545) internal successors, (94), 11 states have internal predecessors, (94), 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) [2024-11-13 13:17:06,327 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 753 transitions. [2024-11-13 13:17:06,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-13 13:17:06,331 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:17:06,331 INFO L215 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] [2024-11-13 13:17:06,356 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9d0c12-fa54-4c19-8380-650716cc33cc/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 13:17:06,535 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9d0c12-fa54-4c19-8380-650716cc33cc/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:17:06,536 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-13 13:17:06,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:17:06,537 INFO L85 PathProgramCache]: Analyzing trace with hash 1949044566, now seen corresponding path program 1 times [2024-11-13 13:17:06,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:17:06,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053917325] [2024-11-13 13:17:06,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:17:06,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:17:06,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:07,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-13 13:17:07,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:07,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-13 13:17:07,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:07,243 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 13:17:07,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:17:07,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053917325] [2024-11-13 13:17:07,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053917325] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:17:07,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1109650963] [2024-11-13 13:17:07,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:17:07,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:17:07,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9d0c12-fa54-4c19-8380-650716cc33cc/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:17:07,248 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9d0c12-fa54-4c19-8380-650716cc33cc/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:17:07,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9d0c12-fa54-4c19-8380-650716cc33cc/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 13:17:07,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:07,782 INFO L255 TraceCheckSpWp]: Trace formula consists of 590 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-13 13:17:07,793 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:17:07,805 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-13 13:17:07,828 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-11-13 13:17:08,249 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-13 13:17:08,322 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 13:17:08,322 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:17:08,795 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 13:17:08,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1109650963] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-13 13:17:08,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-13 13:17:08,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 7] total 12 [2024-11-13 13:17:08,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475423303] [2024-11-13 13:17:08,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:17:08,797 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:17:08,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:17:08,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:17:08,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-13 13:17:08,798 INFO L87 Difference]: Start difference. First operand 547 states and 753 transitions. Second operand has 5 states, 5 states have (on average 19.0) internal successors, (95), 5 states have internal predecessors, (95), 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) [2024-11-13 13:17:08,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:17:08,950 INFO L93 Difference]: Finished difference Result 712 states and 987 transitions. [2024-11-13 13:17:08,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 13:17:08,951 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 5 states have internal predecessors, (95), 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 102 [2024-11-13 13:17:08,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:17:08,955 INFO L225 Difference]: With dead ends: 712 [2024-11-13 13:17:08,955 INFO L226 Difference]: Without dead ends: 712 [2024-11-13 13:17:08,956 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 198 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-11-13 13:17:08,956 INFO L432 NwaCegarLoop]: 428 mSDtfsCounter, 790 mSDsluCounter, 829 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 791 SdHoareTripleChecker+Valid, 1257 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:17:08,957 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [791 Valid, 1257 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 13:17:08,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 712 states. [2024-11-13 13:17:08,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 712 to 549. [2024-11-13 13:17:08,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 549 states, 543 states have (on average 1.3793738489871086) internal successors, (749), 544 states have internal predecessors, (749), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-13 13:17:08,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 549 states and 755 transitions. [2024-11-13 13:17:08,979 INFO L78 Accepts]: Start accepts. Automaton has 549 states and 755 transitions. Word has length 102 [2024-11-13 13:17:08,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:17:08,979 INFO L471 AbstractCegarLoop]: Abstraction has 549 states and 755 transitions. [2024-11-13 13:17:08,980 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 5 states have internal predecessors, (95), 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) [2024-11-13 13:17:08,980 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 755 transitions. [2024-11-13 13:17:08,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-13 13:17:08,982 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:17:08,982 INFO L215 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] [2024-11-13 13:17:09,006 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9d0c12-fa54-4c19-8380-650716cc33cc/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-13 13:17:09,185 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9d0c12-fa54-4c19-8380-650716cc33cc/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:17:09,186 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-13 13:17:09,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:17:09,188 INFO L85 PathProgramCache]: Analyzing trace with hash 110554330, now seen corresponding path program 1 times [2024-11-13 13:17:09,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:17:09,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208652179] [2024-11-13 13:17:09,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:17:09,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:17:09,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:09,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-13 13:17:09,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:09,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-13 13:17:09,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:09,643 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 13:17:09,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:17:09,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208652179] [2024-11-13 13:17:09,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208652179] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:17:09,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:17:09,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 13:17:09,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699472628] [2024-11-13 13:17:09,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:17:09,644 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 13:17:09,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:17:09,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 13:17:09,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:17:09,646 INFO L87 Difference]: Start difference. First operand 549 states and 755 transitions. Second operand has 6 states, 6 states have (on average 25.333333333333332) internal successors, (152), 5 states have internal predecessors, (152), 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) [2024-11-13 13:17:10,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:17:10,449 INFO L93 Difference]: Finished difference Result 637 states and 870 transitions. [2024-11-13 13:17:10,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 13:17:10,451 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 25.333333333333332) internal successors, (152), 5 states have internal predecessors, (152), 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 159 [2024-11-13 13:17:10,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:17:10,456 INFO L225 Difference]: With dead ends: 637 [2024-11-13 13:17:10,456 INFO L226 Difference]: Without dead ends: 637 [2024-11-13 13:17:10,457 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-11-13 13:17:10,457 INFO L432 NwaCegarLoop]: 538 mSDtfsCounter, 1445 mSDsluCounter, 1021 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1447 SdHoareTripleChecker+Valid, 1559 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-13 13:17:10,459 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1447 Valid, 1559 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-13 13:17:10,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2024-11-13 13:17:10,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 414. [2024-11-13 13:17:10,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 414 states, 408 states have (on average 1.3504901960784315) internal successors, (551), 409 states have internal predecessors, (551), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-13 13:17:10,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 557 transitions. [2024-11-13 13:17:10,477 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 557 transitions. Word has length 159 [2024-11-13 13:17:10,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:17:10,478 INFO L471 AbstractCegarLoop]: Abstraction has 414 states and 557 transitions. [2024-11-13 13:17:10,478 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 25.333333333333332) internal successors, (152), 5 states have internal predecessors, (152), 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) [2024-11-13 13:17:10,478 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 557 transitions. [2024-11-13 13:17:10,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-13 13:17:10,481 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:17:10,481 INFO L215 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, 1] [2024-11-13 13:17:10,481 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-13 13:17:10,481 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-13 13:17:10,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:17:10,482 INFO L85 PathProgramCache]: Analyzing trace with hash 743497292, now seen corresponding path program 1 times [2024-11-13 13:17:10,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:17:10,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491749110] [2024-11-13 13:17:10,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:17:10,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:17:10,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:11,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-13 13:17:11,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:11,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-13 13:17:11,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:11,166 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 13:17:11,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:17:11,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491749110] [2024-11-13 13:17:11,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491749110] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:17:11,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [826188015] [2024-11-13 13:17:11,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:17:11,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:17:11,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9d0c12-fa54-4c19-8380-650716cc33cc/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:17:11,173 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9d0c12-fa54-4c19-8380-650716cc33cc/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:17:11,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9d0c12-fa54-4c19-8380-650716cc33cc/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 13:17:11,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:11,705 INFO L255 TraceCheckSpWp]: Trace formula consists of 771 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-13 13:17:11,718 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:17:11,740 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-13 13:17:12,840 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 13:17:12,840 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:17:12,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [826188015] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:17:12,840 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 13:17:12,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [5] total 13 [2024-11-13 13:17:12,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815091975] [2024-11-13 13:17:12,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:17:12,841 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 13:17:12,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:17:12,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 13:17:12,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-11-13 13:17:12,843 INFO L87 Difference]: Start difference. First operand 414 states and 557 transitions. Second operand has 10 states, 10 states have (on average 16.1) internal successors, (161), 10 states have internal predecessors, (161), 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) [2024-11-13 13:17:14,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:17:14,606 INFO L93 Difference]: Finished difference Result 673 states and 914 transitions. [2024-11-13 13:17:14,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 13:17:14,607 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 16.1) internal successors, (161), 10 states have internal predecessors, (161), 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 169 [2024-11-13 13:17:14,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:17:14,610 INFO L225 Difference]: With dead ends: 673 [2024-11-13 13:17:14,610 INFO L226 Difference]: Without dead ends: 673 [2024-11-13 13:17:14,611 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=81, Invalid=299, Unknown=0, NotChecked=0, Total=380 [2024-11-13 13:17:14,611 INFO L432 NwaCegarLoop]: 435 mSDtfsCounter, 472 mSDsluCounter, 1586 mSDsCounter, 0 mSdLazyCounter, 708 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 475 SdHoareTripleChecker+Valid, 2021 SdHoareTripleChecker+Invalid, 709 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 708 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:17:14,612 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [475 Valid, 2021 Invalid, 709 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 708 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-13 13:17:14,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 673 states. [2024-11-13 13:17:14,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 673 to 443. [2024-11-13 13:17:14,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 443 states, 437 states have (on average 1.3386727688787186) internal successors, (585), 438 states have internal predecessors, (585), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-13 13:17:14,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 591 transitions. [2024-11-13 13:17:14,629 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 591 transitions. Word has length 169 [2024-11-13 13:17:14,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:17:14,629 INFO L471 AbstractCegarLoop]: Abstraction has 443 states and 591 transitions. [2024-11-13 13:17:14,629 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 16.1) internal successors, (161), 10 states have internal predecessors, (161), 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) [2024-11-13 13:17:14,630 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 591 transitions. [2024-11-13 13:17:14,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-13 13:17:14,635 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:17:14,635 INFO L215 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, 1, 1] [2024-11-13 13:17:14,662 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9d0c12-fa54-4c19-8380-650716cc33cc/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-13 13:17:14,835 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9d0c12-fa54-4c19-8380-650716cc33cc/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-13 13:17:14,836 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-13 13:17:14,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:17:14,836 INFO L85 PathProgramCache]: Analyzing trace with hash 516203480, now seen corresponding path program 1 times [2024-11-13 13:17:14,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:17:14,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293726470] [2024-11-13 13:17:14,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:17:14,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:17:15,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:15,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-13 13:17:15,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:15,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-13 13:17:15,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:15,603 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 13:17:15,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:17:15,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293726470] [2024-11-13 13:17:15,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1293726470] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:17:15,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [760937915] [2024-11-13 13:17:15,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:17:15,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:17:15,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9d0c12-fa54-4c19-8380-650716cc33cc/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:17:15,606 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9d0c12-fa54-4c19-8380-650716cc33cc/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:17:15,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9d0c12-fa54-4c19-8380-650716cc33cc/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-13 13:17:16,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:17:16,114 INFO L255 TraceCheckSpWp]: Trace formula consists of 772 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-13 13:17:16,119 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:17:43,242 WARN L286 SmtUtils]: Spent 5.10s on a formula simplification that was a NOOP. DAG size: 30 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 13:17:49,771 WARN L286 SmtUtils]: Spent 6.53s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 13:18:04,478 WARN L286 SmtUtils]: Spent 5.55s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 13:18:33,738 WARN L286 SmtUtils]: Spent 12.01s on a formula simplification that was a NOOP. DAG size: 26 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 13:18:41,749 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 13:18:53,177 WARN L286 SmtUtils]: Spent 11.43s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 13:19:05,188 WARN L286 SmtUtils]: Spent 12.01s on a formula simplification that was a NOOP. DAG size: 21 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 13:19:17,213 WARN L286 SmtUtils]: Spent 12.02s on a formula simplification that was a NOOP. DAG size: 26 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 13:19:33,247 WARN L286 SmtUtils]: Spent 12.01s on a formula simplification that was a NOOP. DAG size: 26 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 13:19:41,258 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 13:19:53,278 WARN L286 SmtUtils]: Spent 12.02s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 13:20:05,298 WARN L286 SmtUtils]: Spent 12.02s on a formula simplification that was a NOOP. DAG size: 21 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 13:20:21,778 WARN L286 SmtUtils]: Spent 12.01s on a formula simplification that was a NOOP. DAG size: 26 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 13:20:33,826 WARN L286 SmtUtils]: Spent 12.02s on a formula simplification that was a NOOP. DAG size: 26 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 13:20:41,835 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 13:20:53,848 WARN L286 SmtUtils]: Spent 12.01s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 13:21:05,862 WARN L286 SmtUtils]: Spent 12.01s on a formula simplification that was a NOOP. DAG size: 21 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 13:21:12,696 WARN L286 SmtUtils]: Spent 6.83s on a formula simplification that was a NOOP. DAG size: 25 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 13:21:32,482 WARN L286 SmtUtils]: Spent 12.02s on a formula simplification that was a NOOP. DAG size: 26 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 13:21:38,567 WARN L286 SmtUtils]: Spent 6.08s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 13:21:47,386 WARN L286 SmtUtils]: Spent 8.82s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 13:21:59,397 WARN L286 SmtUtils]: Spent 12.01s on a formula simplification that was a NOOP. DAG size: 21 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 13:22:11,412 WARN L286 SmtUtils]: Spent 12.01s on a formula simplification that was a NOOP. DAG size: 26 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 13:22:23,450 WARN L286 SmtUtils]: Spent 12.02s on a formula simplification that was a NOOP. DAG size: 30 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 13:22:34,203 WARN L286 SmtUtils]: Spent 6.74s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 13:22:42,212 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 13:22:54,228 WARN L286 SmtUtils]: Spent 12.02s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 13:23:06,808 WARN L286 SmtUtils]: Spent 8.02s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 13:23:14,820 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 13:23:26,838 WARN L286 SmtUtils]: Spent 12.02s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 13:23:34,851 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 13:23:43,313 WARN L286 SmtUtils]: Spent 8.46s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 13:23:51,322 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 13:24:03,340 WARN L286 SmtUtils]: Spent 12.02s on a formula simplification that was a NOOP. DAG size: 21 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 13:24:14,840 WARN L286 SmtUtils]: Spent 11.50s on a formula simplification that was a NOOP. DAG size: 26 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 13:24:18,847 WARN L851 $PredicateComparison]: unable to prove that (exists ((v_y_36 Int) (v_z_18 Int) (v_y_29 Int) (v_y_30 Int) (v_z_21 Int) (v_z_42 Int) (v_y_42 Int)) (let ((.cse7 (mod (+ (* 16777215 |c_ULTIMATE.start_main_~_ha_hashv~0#1|) 14384614 (* v_z_21 16776960) (* 16711680 v_z_18)) 16777216))) (let ((.cse8 (* v_y_42 72057589742960640)) (.cse9 (* v_z_42 281474976710655)) (.cse11 (* .cse7 16777215))) (let ((.cse1 (* v_y_30 256)) (.cse0 (div (+ .cse11 (* v_z_18 (- 65536)) (* v_z_21 (- 256)) (- 562941365879322) (* (- 1) |c_ULTIMATE.start_main_~_ha_hashv~0#1|)) 16777216)) (.cse5 (* 16777217 v_z_42)) (.cse6 (* v_y_42 4294967296)) (.cse4 (+ .cse8 .cse11 .cse9)) (.cse3 (* v_y_29 16777216)) (.cse10 (* v_y_36 16777216)) (.cse2 (mod (+ (* v_y_36 4278190080) (* 4294967295 |c_ULTIMATE.start_main_~_ha_hashv~0#1|) 4276993779) 4294967296))) (and (<= 0 v_z_21) (<= 0 v_z_42) (<= .cse0 (+ v_y_36 v_y_29 255 .cse1)) (<= (+ v_y_36 v_y_29 .cse1) .cse0) (<= (+ v_z_42 .cse2) 4294967295) (<= 0 v_z_18) (<= (+ .cse3 562949919866625) .cse4) (<= (+ .cse5 .cse6) 16777215) (<= 16777216 (+ .cse5 .cse7 .cse6)) (<= v_z_18 255) (<= v_z_21 255) (= 4294967296 (+ .cse8 (mod (+ 2690382803 |c_ULTIMATE.start_main_~_ha_hashv~0#1|) 4294967296) .cse9 .cse10)) (<= .cse4 (+ .cse3 562949919866880)) (= (+ (* v_z_42 281474976710399) .cse8 (* v_y_30 4294967296) .cse10) (* 256 .cse2))))))) is different from false [2024-11-13 13:24:18,985 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 13:24:18,985 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:24:18,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [760937915] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:24:18,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 13:24:18,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [5] total 16 [2024-11-13 13:24:18,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090338628] [2024-11-13 13:24:18,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:24:18,986 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-13 13:24:18,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:24:18,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-13 13:24:18,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=173, Unknown=6, NotChecked=26, Total=240 [2024-11-13 13:24:18,988 INFO L87 Difference]: Start difference. First operand 443 states and 591 transitions. Second operand has 13 states, 13 states have (on average 12.538461538461538) internal successors, (163), 13 states have internal predecessors, (163), 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) [2024-11-13 13:24:22,637 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.55s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:24:26,640 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:24:29,796 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:24:33,337 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.54s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:24:36,698 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.36s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:24:40,489 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.79s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:24:43,746 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.26s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:24:47,184 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.44s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:24:50,430 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.25s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:24:54,070 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.64s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:24:57,497 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.43s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:25:01,039 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.54s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:25:04,687 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.65s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:25:08,639 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.95s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:25:12,607 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.97s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:25:16,614 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:25:20,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:25:24,645 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:25:28,651 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:25:32,654 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:25:36,658 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:25:40,676 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:25:44,683 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:25:48,692 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:25:52,700 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:25:56,705 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:26:00,731 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:26:04,733 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:26:08,737 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:26:12,746 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:26:16,750 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:26:20,789 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:26:24,793 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:26:28,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:26:32,999 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:26:37,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:26:41,021 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:26:45,267 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:26:49,292 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:26:50,974 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:26:55,104 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:27:01,682 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:27:05,711 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:27:05,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:27:05,726 INFO L93 Difference]: Finished difference Result 455 states and 606 transitions. [2024-11-13 13:27:05,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 13:27:05,727 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 12.538461538461538) internal successors, (163), 13 states have internal predecessors, (163), 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 170 [2024-11-13 13:27:05,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:27:05,729 INFO L225 Difference]: With dead ends: 455 [2024-11-13 13:27:05,729 INFO L226 Difference]: Without dead ends: 455 [2024-11-13 13:27:05,729 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 23.5s TimeCoverageRelationStatistics Valid=35, Invalid=173, Unknown=6, NotChecked=26, Total=240 [2024-11-13 13:27:05,730 INFO L432 NwaCegarLoop]: 429 mSDtfsCounter, 23 mSDsluCounter, 3106 mSDsCounter, 0 mSdLazyCounter, 702 mSolverCounterSat, 1 mSolverCounterUnsat, 42 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 166.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 3535 SdHoareTripleChecker+Invalid, 840 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 702 IncrementalHoareTripleChecker+Invalid, 42 IncrementalHoareTripleChecker+Unknown, 95 IncrementalHoareTripleChecker+Unchecked, 166.7s IncrementalHoareTripleChecker+Time [2024-11-13 13:27:05,730 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 3535 Invalid, 840 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 702 Invalid, 42 Unknown, 95 Unchecked, 166.7s Time] [2024-11-13 13:27:05,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2024-11-13 13:27:05,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 451. [2024-11-13 13:27:05,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 451 states, 445 states have (on average 1.3348314606741574) internal successors, (594), 446 states have internal predecessors, (594), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-13 13:27:05,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 600 transitions. [2024-11-13 13:27:05,745 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 600 transitions. Word has length 170 [2024-11-13 13:27:05,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:27:05,745 INFO L471 AbstractCegarLoop]: Abstraction has 451 states and 600 transitions. [2024-11-13 13:27:05,746 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 12.538461538461538) internal successors, (163), 13 states have internal predecessors, (163), 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) [2024-11-13 13:27:05,746 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 600 transitions. [2024-11-13 13:27:05,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-13 13:27:05,749 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:27:05,749 INFO L215 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, 1, 1] [2024-11-13 13:27:05,777 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9d0c12-fa54-4c19-8380-650716cc33cc/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-13 13:27:05,953 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9d0c12-fa54-4c19-8380-650716cc33cc/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-13 13:27:05,954 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-13 13:27:05,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:27:05,955 INFO L85 PathProgramCache]: Analyzing trace with hash -1411211312, now seen corresponding path program 1 times [2024-11-13 13:27:05,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:27:05,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771721346] [2024-11-13 13:27:05,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:27:05,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:27:06,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:27:06,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-13 13:27:06,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:27:06,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-13 13:27:06,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:27:06,262 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 13:27:06,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:27:06,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771721346] [2024-11-13 13:27:06,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [771721346] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:27:06,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:27:06,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:27:06,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368927775] [2024-11-13 13:27:06,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:27:06,265 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:27:06,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:27:06,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:27:06,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:27:06,266 INFO L87 Difference]: Start difference. First operand 451 states and 600 transitions. Second operand has 5 states, 5 states have (on average 32.6) internal successors, (163), 4 states have internal predecessors, (163), 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) [2024-11-13 13:27:06,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:27:06,628 INFO L93 Difference]: Finished difference Result 434 states and 581 transitions. [2024-11-13 13:27:06,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 13:27:06,630 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 32.6) internal successors, (163), 4 states have internal predecessors, (163), 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 170 [2024-11-13 13:27:06,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:27:06,632 INFO L225 Difference]: With dead ends: 434 [2024-11-13 13:27:06,632 INFO L226 Difference]: Without dead ends: 434 [2024-11-13 13:27:06,633 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:27:06,633 INFO L432 NwaCegarLoop]: 415 mSDtfsCounter, 12 mSDsluCounter, 1177 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 1592 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 13:27:06,633 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 1592 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 13:27:06,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2024-11-13 13:27:06,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 431. [2024-11-13 13:27:06,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 431 states, 425 states have (on average 1.3388235294117647) internal successors, (569), 426 states have internal predecessors, (569), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-13 13:27:06,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 575 transitions. [2024-11-13 13:27:06,649 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 575 transitions. Word has length 170 [2024-11-13 13:27:06,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:27:06,650 INFO L471 AbstractCegarLoop]: Abstraction has 431 states and 575 transitions. [2024-11-13 13:27:06,650 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 32.6) internal successors, (163), 4 states have internal predecessors, (163), 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) [2024-11-13 13:27:06,650 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 575 transitions. [2024-11-13 13:27:06,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-13 13:27:06,653 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:27:06,653 INFO L215 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, 1, 1, 1] [2024-11-13 13:27:06,653 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-13 13:27:06,654 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-13 13:27:06,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:27:06,654 INFO L85 PathProgramCache]: Analyzing trace with hash 2117705966, now seen corresponding path program 1 times [2024-11-13 13:27:06,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:27:06,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064077294] [2024-11-13 13:27:06,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:27:06,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:27:06,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:27:07,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-13 13:27:07,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:27:07,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-13 13:27:07,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:27:07,269 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 13:27:07,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:27:07,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064077294] [2024-11-13 13:27:07,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064077294] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:27:07,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:27:07,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 13:27:07,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407975616] [2024-11-13 13:27:07,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:27:07,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 13:27:07,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:27:07,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 13:27:07,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-13 13:27:07,274 INFO L87 Difference]: Start difference. First operand 431 states and 575 transitions. Second operand has 7 states, 7 states have (on average 23.428571428571427) internal successors, (164), 6 states have internal predecessors, (164), 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) [2024-11-13 13:27:08,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:27:08,006 INFO L93 Difference]: Finished difference Result 440 states and 587 transitions. [2024-11-13 13:27:08,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 13:27:08,007 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 23.428571428571427) internal successors, (164), 6 states have internal predecessors, (164), 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 171 [2024-11-13 13:27:08,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:27:08,010 INFO L225 Difference]: With dead ends: 440 [2024-11-13 13:27:08,010 INFO L226 Difference]: Without dead ends: 440 [2024-11-13 13:27:08,010 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-13 13:27:08,012 INFO L432 NwaCegarLoop]: 421 mSDtfsCounter, 7 mSDsluCounter, 1430 mSDsCounter, 0 mSdLazyCounter, 302 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 1851 SdHoareTripleChecker+Invalid, 306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-13 13:27:08,012 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 1851 Invalid, 306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 302 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-13 13:27:08,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2024-11-13 13:27:08,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 437. [2024-11-13 13:27:08,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 437 states, 431 states have (on average 1.334106728538283) internal successors, (575), 432 states have internal predecessors, (575), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-13 13:27:08,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 581 transitions. [2024-11-13 13:27:08,030 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 581 transitions. Word has length 171 [2024-11-13 13:27:08,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:27:08,032 INFO L471 AbstractCegarLoop]: Abstraction has 437 states and 581 transitions. [2024-11-13 13:27:08,032 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.428571428571427) internal successors, (164), 6 states have internal predecessors, (164), 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) [2024-11-13 13:27:08,032 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 581 transitions. [2024-11-13 13:27:08,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-13 13:27:08,035 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:27:08,035 INFO L215 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, 1, 1, 1, 1] [2024-11-13 13:27:08,035 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-13 13:27:08,036 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-13 13:27:08,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:27:08,037 INFO L85 PathProgramCache]: Analyzing trace with hash -1439680879, now seen corresponding path program 1 times [2024-11-13 13:27:08,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:27:08,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026834467] [2024-11-13 13:27:08,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:27:08,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:27:08,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:27:08,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-13 13:27:08,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:27:08,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 13:27:08,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:27:08,670 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 13:27:08,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:27:08,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026834467] [2024-11-13 13:27:08,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2026834467] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:27:08,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:27:08,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:27:08,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689607688] [2024-11-13 13:27:08,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:27:08,671 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 13:27:08,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:27:08,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 13:27:08,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-13 13:27:08,673 INFO L87 Difference]: Start difference. First operand 437 states and 581 transitions. Second operand has 8 states, 8 states have (on average 20.625) internal successors, (165), 7 states have internal predecessors, (165), 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) [2024-11-13 13:27:09,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:27:09,481 INFO L93 Difference]: Finished difference Result 450 states and 599 transitions. [2024-11-13 13:27:09,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 13:27:09,482 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 20.625) internal successors, (165), 7 states have internal predecessors, (165), 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 172 [2024-11-13 13:27:09,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:27:09,484 INFO L225 Difference]: With dead ends: 450 [2024-11-13 13:27:09,484 INFO L226 Difference]: Without dead ends: 450 [2024-11-13 13:27:09,484 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-13 13:27:09,485 INFO L432 NwaCegarLoop]: 411 mSDtfsCounter, 11 mSDsluCounter, 2097 mSDsCounter, 0 mSdLazyCounter, 475 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 2508 SdHoareTripleChecker+Invalid, 479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-13 13:27:09,485 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 2508 Invalid, 479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 475 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-13 13:27:09,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2024-11-13 13:27:09,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 445. [2024-11-13 13:27:09,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 445 states, 439 states have (on average 1.3325740318906605) internal successors, (585), 440 states have internal predecessors, (585), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-13 13:27:09,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 591 transitions. [2024-11-13 13:27:09,499 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 591 transitions. Word has length 172 [2024-11-13 13:27:09,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:27:09,500 INFO L471 AbstractCegarLoop]: Abstraction has 445 states and 591 transitions. [2024-11-13 13:27:09,500 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 20.625) internal successors, (165), 7 states have internal predecessors, (165), 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) [2024-11-13 13:27:09,500 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 591 transitions. [2024-11-13 13:27:09,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-13 13:27:09,502 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:27:09,502 INFO L215 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, 1, 1, 1, 1] [2024-11-13 13:27:09,503 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-13 13:27:09,503 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-13 13:27:09,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:27:09,503 INFO L85 PathProgramCache]: Analyzing trace with hash -54001547, now seen corresponding path program 1 times [2024-11-13 13:27:09,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:27:09,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979235308] [2024-11-13 13:27:09,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:27:09,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:27:09,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:27:10,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-13 13:27:10,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:27:10,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 13:27:10,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:27:10,144 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 13:27:10,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:27:10,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979235308] [2024-11-13 13:27:10,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [979235308] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:27:10,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [552672312] [2024-11-13 13:27:10,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:27:10,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:27:10,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9d0c12-fa54-4c19-8380-650716cc33cc/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:27:10,147 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9d0c12-fa54-4c19-8380-650716cc33cc/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:27:10,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9d0c12-fa54-4c19-8380-650716cc33cc/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-13 13:27:10,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:27:10,717 INFO L255 TraceCheckSpWp]: Trace formula consists of 771 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 13:27:10,723 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:27:10,912 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 13:27:10,913 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:27:10,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [552672312] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:27:10,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 13:27:10,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2024-11-13 13:27:10,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646128797] [2024-11-13 13:27:10,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:27:10,914 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 13:27:10,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:27:10,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 13:27:10,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:27:10,916 INFO L87 Difference]: Start difference. First operand 445 states and 591 transitions. Second operand has 6 states, 6 states have (on average 27.333333333333332) internal successors, (164), 6 states have internal predecessors, (164), 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) [2024-11-13 13:27:11,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:27:11,566 INFO L93 Difference]: Finished difference Result 480 states and 636 transitions. [2024-11-13 13:27:11,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 13:27:11,567 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 27.333333333333332) internal successors, (164), 6 states have internal predecessors, (164), 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 172 [2024-11-13 13:27:11,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:27:11,569 INFO L225 Difference]: With dead ends: 480 [2024-11-13 13:27:11,569 INFO L226 Difference]: Without dead ends: 480 [2024-11-13 13:27:11,570 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:27:11,570 INFO L432 NwaCegarLoop]: 414 mSDtfsCounter, 30 mSDsluCounter, 1341 mSDsCounter, 0 mSdLazyCounter, 368 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 1755 SdHoareTripleChecker+Invalid, 368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-13 13:27:11,571 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 1755 Invalid, 368 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 368 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-13 13:27:11,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2024-11-13 13:27:11,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 472. [2024-11-13 13:27:11,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 472 states, 466 states have (on average 1.3261802575107295) internal successors, (618), 467 states have internal predecessors, (618), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-13 13:27:11,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 472 states and 624 transitions. [2024-11-13 13:27:11,585 INFO L78 Accepts]: Start accepts. Automaton has 472 states and 624 transitions. Word has length 172 [2024-11-13 13:27:11,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:27:11,585 INFO L471 AbstractCegarLoop]: Abstraction has 472 states and 624 transitions. [2024-11-13 13:27:11,585 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 27.333333333333332) internal successors, (164), 6 states have internal predecessors, (164), 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) [2024-11-13 13:27:11,586 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 624 transitions. [2024-11-13 13:27:11,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-13 13:27:11,588 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:27:11,588 INFO L215 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, 1, 1, 1, 1, 1] [2024-11-13 13:27:11,615 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9d0c12-fa54-4c19-8380-650716cc33cc/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-13 13:27:11,788 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9d0c12-fa54-4c19-8380-650716cc33cc/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-13 13:27:11,789 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-13 13:27:11,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:27:11,789 INFO L85 PathProgramCache]: Analyzing trace with hash 475176404, now seen corresponding path program 1 times [2024-11-13 13:27:11,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:27:11,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782995642] [2024-11-13 13:27:11,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:27:11,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:27:11,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:27:12,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-13 13:27:12,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:27:12,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 13:27:12,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:27:12,356 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 13:27:12,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:27:12,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782995642] [2024-11-13 13:27:12,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782995642] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:27:12,357 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:27:12,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 13:27:12,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782078709] [2024-11-13 13:27:12,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:27:12,359 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 13:27:12,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:27:12,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 13:27:12,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-13 13:27:12,360 INFO L87 Difference]: Start difference. First operand 472 states and 624 transitions. Second operand has 7 states, 7 states have (on average 23.571428571428573) internal successors, (165), 6 states have internal predecessors, (165), 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) [2024-11-13 13:27:13,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:27:13,689 INFO L93 Difference]: Finished difference Result 481 states and 637 transitions. [2024-11-13 13:27:13,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 13:27:13,690 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 23.571428571428573) internal successors, (165), 6 states have internal predecessors, (165), 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 173 [2024-11-13 13:27:13,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:27:13,692 INFO L225 Difference]: With dead ends: 481 [2024-11-13 13:27:13,692 INFO L226 Difference]: Without dead ends: 481 [2024-11-13 13:27:13,693 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-13 13:27:13,693 INFO L432 NwaCegarLoop]: 421 mSDtfsCounter, 11 mSDsluCounter, 1509 mSDsCounter, 0 mSdLazyCounter, 662 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 1930 SdHoareTripleChecker+Invalid, 664 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 662 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-13 13:27:13,695 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 1930 Invalid, 664 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 662 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-13 13:27:13,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2024-11-13 13:27:13,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 476. [2024-11-13 13:27:13,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 476 states, 470 states have (on average 1.325531914893617) internal successors, (623), 471 states have internal predecessors, (623), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-13 13:27:13,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 629 transitions. [2024-11-13 13:27:13,710 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 629 transitions. Word has length 173 [2024-11-13 13:27:13,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:27:13,710 INFO L471 AbstractCegarLoop]: Abstraction has 476 states and 629 transitions. [2024-11-13 13:27:13,711 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.571428571428573) internal successors, (165), 6 states have internal predecessors, (165), 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) [2024-11-13 13:27:13,711 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 629 transitions. [2024-11-13 13:27:13,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-13 13:27:13,714 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:27:13,714 INFO L215 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, 1, 1, 1, 1, 1, 1] [2024-11-13 13:27:13,715 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-13 13:27:13,715 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-13 13:27:13,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:27:13,715 INFO L85 PathProgramCache]: Analyzing trace with hash 1057792444, now seen corresponding path program 1 times [2024-11-13 13:27:13,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:27:13,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700818895] [2024-11-13 13:27:13,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:27:13,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:27:13,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:27:14,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-13 13:27:14,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:27:14,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 13:27:14,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:27:14,261 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 13:27:14,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:27:14,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700818895] [2024-11-13 13:27:14,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700818895] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:27:14,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:27:14,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:27:14,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516772737] [2024-11-13 13:27:14,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:27:14,262 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 13:27:14,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:27:14,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 13:27:14,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-13 13:27:14,263 INFO L87 Difference]: Start difference. First operand 476 states and 629 transitions. Second operand has 8 states, 8 states have (on average 20.75) internal successors, (166), 7 states have internal predecessors, (166), 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) [2024-11-13 13:27:15,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:27:15,411 INFO L93 Difference]: Finished difference Result 490 states and 650 transitions. [2024-11-13 13:27:15,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 13:27:15,412 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 20.75) internal successors, (166), 7 states have internal predecessors, (166), 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 174 [2024-11-13 13:27:15,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:27:15,414 INFO L225 Difference]: With dead ends: 490 [2024-11-13 13:27:15,414 INFO L226 Difference]: Without dead ends: 490 [2024-11-13 13:27:15,414 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-13 13:27:15,415 INFO L432 NwaCegarLoop]: 411 mSDtfsCounter, 15 mSDsluCounter, 1791 mSDsCounter, 0 mSdLazyCounter, 823 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 2202 SdHoareTripleChecker+Invalid, 825 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 823 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:27:15,415 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 2202 Invalid, 825 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 823 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-13 13:27:15,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 490 states. [2024-11-13 13:27:15,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 490 to 484. [2024-11-13 13:27:15,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 484 states, 478 states have (on average 1.3263598326359833) internal successors, (634), 479 states have internal predecessors, (634), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-13 13:27:15,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 640 transitions. [2024-11-13 13:27:15,432 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 640 transitions. Word has length 174 [2024-11-13 13:27:15,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:27:15,432 INFO L471 AbstractCegarLoop]: Abstraction has 484 states and 640 transitions. [2024-11-13 13:27:15,432 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 20.75) internal successors, (166), 7 states have internal predecessors, (166), 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) [2024-11-13 13:27:15,433 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 640 transitions. [2024-11-13 13:27:15,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-13 13:27:15,436 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:27:15,436 INFO L215 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, 1, 1, 1, 1, 1, 1] [2024-11-13 13:27:15,436 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-13 13:27:15,436 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-13 13:27:15,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:27:15,437 INFO L85 PathProgramCache]: Analyzing trace with hash -1812189864, now seen corresponding path program 1 times [2024-11-13 13:27:15,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:27:15,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172023875] [2024-11-13 13:27:15,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:27:15,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:27:15,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:27:15,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-13 13:27:15,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:27:15,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 13:27:15,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:27:16,001 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 13:27:16,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:27:16,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172023875] [2024-11-13 13:27:16,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172023875] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:27:16,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [458787340] [2024-11-13 13:27:16,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:27:16,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:27:16,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9d0c12-fa54-4c19-8380-650716cc33cc/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:27:16,004 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9d0c12-fa54-4c19-8380-650716cc33cc/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:27:16,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9d0c12-fa54-4c19-8380-650716cc33cc/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-13 13:27:16,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:27:16,720 INFO L255 TraceCheckSpWp]: Trace formula consists of 770 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 13:27:16,724 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:27:16,751 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:27:16,751 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:27:16,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [458787340] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:27:16,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 13:27:16,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 6 [2024-11-13 13:27:16,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659701331] [2024-11-13 13:27:16,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:27:16,753 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 13:27:16,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:27:16,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 13:27:16,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:27:16,754 INFO L87 Difference]: Start difference. First operand 484 states and 640 transitions. Second operand has 4 states, 4 states have (on average 42.5) internal successors, (170), 4 states have internal predecessors, (170), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 13:27:16,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:27:16,786 INFO L93 Difference]: Finished difference Result 487 states and 644 transitions. [2024-11-13 13:27:16,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:27:16,787 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 42.5) internal successors, (170), 4 states have internal predecessors, (170), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 174 [2024-11-13 13:27:16,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:27:16,789 INFO L225 Difference]: With dead ends: 487 [2024-11-13 13:27:16,789 INFO L226 Difference]: Without dead ends: 487 [2024-11-13 13:27:16,789 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:27:16,790 INFO L432 NwaCegarLoop]: 429 mSDtfsCounter, 0 mSDsluCounter, 854 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1283 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:27:16,790 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1283 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:27:16,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2024-11-13 13:27:16,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 487. [2024-11-13 13:27:16,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 487 states, 480 states have (on average 1.3270833333333334) internal successors, (637), 482 states have internal predecessors, (637), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-13 13:27:16,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 487 states and 644 transitions. [2024-11-13 13:27:16,802 INFO L78 Accepts]: Start accepts. Automaton has 487 states and 644 transitions. Word has length 174 [2024-11-13 13:27:16,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:27:16,802 INFO L471 AbstractCegarLoop]: Abstraction has 487 states and 644 transitions. [2024-11-13 13:27:16,803 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 42.5) internal successors, (170), 4 states have internal predecessors, (170), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 13:27:16,803 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 644 transitions. [2024-11-13 13:27:16,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-13 13:27:16,806 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:27:16,806 INFO L215 NwaCegarLoop]: trace histogram [2, 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, 1, 1, 1, 1, 1, 1] [2024-11-13 13:27:16,834 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9d0c12-fa54-4c19-8380-650716cc33cc/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-13 13:27:17,007 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9d0c12-fa54-4c19-8380-650716cc33cc/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-13 13:27:17,007 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-13 13:27:17,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:27:17,007 INFO L85 PathProgramCache]: Analyzing trace with hash 737875894, now seen corresponding path program 1 times [2024-11-13 13:27:17,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:27:17,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222506716] [2024-11-13 13:27:17,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:27:17,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:27:17,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:27:17,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-13 13:27:17,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:27:17,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-13 13:27:17,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:27:17,778 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 13:27:17,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:27:17,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222506716] [2024-11-13 13:27:17,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1222506716] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:27:17,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [84306902] [2024-11-13 13:27:17,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:27:17,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:27:17,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9d0c12-fa54-4c19-8380-650716cc33cc/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:27:17,781 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9d0c12-fa54-4c19-8380-650716cc33cc/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:27:17,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9d0c12-fa54-4c19-8380-650716cc33cc/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-13 13:27:18,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:27:18,613 INFO L255 TraceCheckSpWp]: Trace formula consists of 800 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 13:27:18,617 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:27:43,048 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-13 13:27:43,048 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:27:43,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [84306902] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:27:43,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 13:27:43,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2024-11-13 13:27:43,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871699823] [2024-11-13 13:27:43,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:27:43,049 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 13:27:43,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:27:43,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 13:27:43,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=89, Unknown=2, NotChecked=0, Total=110 [2024-11-13 13:27:43,051 INFO L87 Difference]: Start difference. First operand 487 states and 644 transitions. Second operand has 7 states, 7 states have (on average 23.857142857142858) internal successors, (167), 7 states have internal predecessors, (167), 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) [2024-11-13 13:27:47,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:27:52,687 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:27:55,051 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:27:58,325 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.27s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:28:02,353 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:28:06,356 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:28:09,871 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.51s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:28:10,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:28:10,346 INFO L93 Difference]: Finished difference Result 494 states and 653 transitions. [2024-11-13 13:28:10,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 13:28:10,347 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 23.857142857142858) internal successors, (167), 7 states have internal predecessors, (167), 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 176 [2024-11-13 13:28:10,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:28:10,349 INFO L225 Difference]: With dead ends: 494 [2024-11-13 13:28:10,349 INFO L226 Difference]: Without dead ends: 494 [2024-11-13 13:28:10,349 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 15.8s TimeCoverageRelationStatistics Valid=19, Invalid=89, Unknown=2, NotChecked=0, Total=110 [2024-11-13 13:28:10,350 INFO L432 NwaCegarLoop]: 418 mSDtfsCounter, 12 mSDsluCounter, 1439 mSDsCounter, 0 mSdLazyCounter, 767 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 1857 SdHoareTripleChecker+Invalid, 772 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 767 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.3s IncrementalHoareTripleChecker+Time [2024-11-13 13:28:10,350 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 1857 Invalid, 772 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 767 Invalid, 4 Unknown, 0 Unchecked, 27.3s Time] [2024-11-13 13:28:10,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 494 states. [2024-11-13 13:28:10,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 494 to 487. [2024-11-13 13:28:10,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 487 states, 480 states have (on average 1.3270833333333334) internal successors, (637), 482 states have internal predecessors, (637), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-13 13:28:10,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 487 states and 644 transitions. [2024-11-13 13:28:10,362 INFO L78 Accepts]: Start accepts. Automaton has 487 states and 644 transitions. Word has length 176 [2024-11-13 13:28:10,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:28:10,363 INFO L471 AbstractCegarLoop]: Abstraction has 487 states and 644 transitions. [2024-11-13 13:28:10,363 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.857142857142858) internal successors, (167), 7 states have internal predecessors, (167), 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) [2024-11-13 13:28:10,363 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 644 transitions. [2024-11-13 13:28:10,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-13 13:28:10,366 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:28:10,366 INFO L215 NwaCegarLoop]: trace histogram [2, 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, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:28:10,395 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9d0c12-fa54-4c19-8380-650716cc33cc/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-13 13:28:10,567 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9d0c12-fa54-4c19-8380-650716cc33cc/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:28:10,567 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-13 13:28:10,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:28:10,568 INFO L85 PathProgramCache]: Analyzing trace with hash 1344500642, now seen corresponding path program 1 times [2024-11-13 13:28:10,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:28:10,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638121424] [2024-11-13 13:28:10,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:28:10,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:28:10,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:11,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-13 13:28:11,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:11,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-13 13:28:11,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:11,256 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-13 13:28:11,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:28:11,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638121424] [2024-11-13 13:28:11,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638121424] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:28:11,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:28:11,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-13 13:28:11,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560373679] [2024-11-13 13:28:11,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:28:11,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 13:28:11,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:28:11,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 13:28:11,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-13 13:28:11,259 INFO L87 Difference]: Start difference. First operand 487 states and 644 transitions. Second operand has 10 states, 10 states have (on average 16.8) internal successors, (168), 9 states have internal predecessors, (168), 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) [2024-11-13 13:28:12,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:28:12,777 INFO L93 Difference]: Finished difference Result 500 states and 660 transitions. [2024-11-13 13:28:12,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 13:28:12,778 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 16.8) internal successors, (168), 9 states have internal predecessors, (168), 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 177 [2024-11-13 13:28:12,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:28:12,780 INFO L225 Difference]: With dead ends: 500 [2024-11-13 13:28:12,780 INFO L226 Difference]: Without dead ends: 500 [2024-11-13 13:28:12,780 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-13 13:28:12,781 INFO L432 NwaCegarLoop]: 411 mSDtfsCounter, 23 mSDsluCounter, 1947 mSDsCounter, 0 mSdLazyCounter, 750 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 2358 SdHoareTripleChecker+Invalid, 752 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 750 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-13 13:28:12,781 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 2358 Invalid, 752 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 750 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-13 13:28:12,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 500 states. [2024-11-13 13:28:12,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 494. [2024-11-13 13:28:12,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 494 states, 487 states have (on average 1.326488706365503) internal successors, (646), 489 states have internal predecessors, (646), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-13 13:28:12,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 494 states and 653 transitions. [2024-11-13 13:28:12,793 INFO L78 Accepts]: Start accepts. Automaton has 494 states and 653 transitions. Word has length 177 [2024-11-13 13:28:12,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:28:12,793 INFO L471 AbstractCegarLoop]: Abstraction has 494 states and 653 transitions. [2024-11-13 13:28:12,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 16.8) internal successors, (168), 9 states have internal predecessors, (168), 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) [2024-11-13 13:28:12,794 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 653 transitions. [2024-11-13 13:28:12,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-13 13:28:12,796 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:28:12,796 INFO L215 NwaCegarLoop]: trace histogram [2, 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, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:28:12,796 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-13 13:28:12,796 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-13 13:28:12,797 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:28:12,797 INFO L85 PathProgramCache]: Analyzing trace with hash -1725604986, now seen corresponding path program 1 times [2024-11-13 13:28:12,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:28:12,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380440881] [2024-11-13 13:28:12,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:28:12,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:28:13,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:13,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-13 13:28:13,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:13,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-13 13:28:13,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:13,758 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 13:28:13,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:28:13,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380440881] [2024-11-13 13:28:13,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380440881] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:28:13,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [530112991] [2024-11-13 13:28:13,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:28:13,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:28:13,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9d0c12-fa54-4c19-8380-650716cc33cc/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:28:13,762 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9d0c12-fa54-4c19-8380-650716cc33cc/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:28:13,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9d0c12-fa54-4c19-8380-650716cc33cc/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-13 13:28:14,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:14,505 INFO L255 TraceCheckSpWp]: Trace formula consists of 801 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-13 13:28:14,511 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:28:14,657 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-13 13:28:14,657 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:28:14,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [530112991] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:28:14,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 13:28:14,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2024-11-13 13:28:14,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612169939] [2024-11-13 13:28:14,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:28:14,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 13:28:14,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:28:14,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 13:28:14,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2024-11-13 13:28:14,660 INFO L87 Difference]: Start difference. First operand 494 states and 653 transitions. Second operand has 7 states, 7 states have (on average 24.0) internal successors, (168), 7 states have internal predecessors, (168), 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) [2024-11-13 13:28:15,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:28:15,634 INFO L93 Difference]: Finished difference Result 506 states and 671 transitions. [2024-11-13 13:28:15,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 13:28:15,634 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.0) internal successors, (168), 7 states have internal predecessors, (168), 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 177 [2024-11-13 13:28:15,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:28:15,637 INFO L225 Difference]: With dead ends: 506 [2024-11-13 13:28:15,637 INFO L226 Difference]: Without dead ends: 506 [2024-11-13 13:28:15,637 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2024-11-13 13:28:15,639 INFO L432 NwaCegarLoop]: 409 mSDtfsCounter, 17 mSDsluCounter, 1478 mSDsCounter, 0 mSdLazyCounter, 709 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 1887 SdHoareTripleChecker+Invalid, 709 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 709 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-13 13:28:15,640 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 1887 Invalid, 709 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 709 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-13 13:28:15,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 506 states. [2024-11-13 13:28:15,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 506 to 501. [2024-11-13 13:28:15,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 501 states, 494 states have (on average 1.3279352226720649) internal successors, (656), 496 states have internal predecessors, (656), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-13 13:28:15,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 501 states and 663 transitions. [2024-11-13 13:28:15,651 INFO L78 Accepts]: Start accepts. Automaton has 501 states and 663 transitions. Word has length 177 [2024-11-13 13:28:15,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:28:15,652 INFO L471 AbstractCegarLoop]: Abstraction has 501 states and 663 transitions. [2024-11-13 13:28:15,652 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.0) internal successors, (168), 7 states have internal predecessors, (168), 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) [2024-11-13 13:28:15,652 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 663 transitions. [2024-11-13 13:28:15,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-13 13:28:15,655 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:28:15,656 INFO L215 NwaCegarLoop]: trace histogram [2, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:28:15,684 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9d0c12-fa54-4c19-8380-650716cc33cc/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-13 13:28:15,860 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9d0c12-fa54-4c19-8380-650716cc33cc/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:28:15,861 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-13 13:28:15,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:28:15,862 INFO L85 PathProgramCache]: Analyzing trace with hash 1130979206, now seen corresponding path program 1 times [2024-11-13 13:28:15,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:28:15,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202643045] [2024-11-13 13:28:15,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:28:15,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:28:16,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:16,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-13 13:28:16,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:16,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-13 13:28:16,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:16,767 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-13 13:28:16,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:28:16,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202643045] [2024-11-13 13:28:16,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202643045] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:28:16,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:28:16,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-13 13:28:16,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560426989] [2024-11-13 13:28:16,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:28:16,769 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-13 13:28:16,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:28:16,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-13 13:28:16,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-13 13:28:16,770 INFO L87 Difference]: Start difference. First operand 501 states and 663 transitions. Second operand has 11 states, 11 states have (on average 15.363636363636363) internal successors, (169), 10 states have internal predecessors, (169), 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) [2024-11-13 13:28:18,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:28:18,219 INFO L93 Difference]: Finished difference Result 510 states and 675 transitions. [2024-11-13 13:28:18,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 13:28:18,220 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 15.363636363636363) internal successors, (169), 10 states have internal predecessors, (169), 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 178 [2024-11-13 13:28:18,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:28:18,222 INFO L225 Difference]: With dead ends: 510 [2024-11-13 13:28:18,222 INFO L226 Difference]: Without dead ends: 510 [2024-11-13 13:28:18,223 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-11-13 13:28:18,229 INFO L432 NwaCegarLoop]: 418 mSDtfsCounter, 26 mSDsluCounter, 2465 mSDsCounter, 0 mSdLazyCounter, 1168 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 2883 SdHoareTripleChecker+Invalid, 1170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:28:18,229 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 2883 Invalid, 1170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1168 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-13 13:28:18,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 510 states. [2024-11-13 13:28:18,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 510 to 504. [2024-11-13 13:28:18,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 504 states, 497 states have (on average 1.3259557344064385) internal successors, (659), 499 states have internal predecessors, (659), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-13 13:28:18,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 504 states and 666 transitions. [2024-11-13 13:28:18,243 INFO L78 Accepts]: Start accepts. Automaton has 504 states and 666 transitions. Word has length 178 [2024-11-13 13:28:18,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:28:18,243 INFO L471 AbstractCegarLoop]: Abstraction has 504 states and 666 transitions. [2024-11-13 13:28:18,243 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 15.363636363636363) internal successors, (169), 10 states have internal predecessors, (169), 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) [2024-11-13 13:28:18,243 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 666 transitions. [2024-11-13 13:28:18,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-13 13:28:18,245 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:28:18,246 INFO L215 NwaCegarLoop]: trace histogram [2, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:28:18,246 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-13 13:28:18,246 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-13 13:28:18,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:28:18,247 INFO L85 PathProgramCache]: Analyzing trace with hash 671709307, now seen corresponding path program 1 times [2024-11-13 13:28:18,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:28:18,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23343954] [2024-11-13 13:28:18,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:28:18,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:28:18,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:18,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-13 13:28:18,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:18,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-13 13:28:18,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:18,851 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 13:28:18,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:28:18,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23343954] [2024-11-13 13:28:18,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23343954] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:28:18,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [374004148] [2024-11-13 13:28:18,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:28:18,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:28:18,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9d0c12-fa54-4c19-8380-650716cc33cc/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:28:18,854 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9d0c12-fa54-4c19-8380-650716cc33cc/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:28:18,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9d0c12-fa54-4c19-8380-650716cc33cc/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-13 13:28:19,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:19,693 INFO L255 TraceCheckSpWp]: Trace formula consists of 802 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 13:28:19,696 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:28:20,076 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-13 13:28:20,076 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:28:20,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [374004148] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:28:20,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 13:28:20,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2024-11-13 13:28:20,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666697319] [2024-11-13 13:28:20,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:28:20,077 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 13:28:20,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:28:20,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 13:28:20,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2024-11-13 13:28:20,078 INFO L87 Difference]: Start difference. First operand 504 states and 666 transitions. Second operand has 7 states, 7 states have (on average 24.142857142857142) internal successors, (169), 7 states have internal predecessors, (169), 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) [2024-11-13 13:28:21,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:28:21,243 INFO L93 Difference]: Finished difference Result 509 states and 672 transitions. [2024-11-13 13:28:21,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 13:28:21,244 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.142857142857142) internal successors, (169), 7 states have internal predecessors, (169), 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 178 [2024-11-13 13:28:21,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:28:21,247 INFO L225 Difference]: With dead ends: 509 [2024-11-13 13:28:21,247 INFO L226 Difference]: Without dead ends: 509 [2024-11-13 13:28:21,247 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2024-11-13 13:28:21,253 INFO L432 NwaCegarLoop]: 418 mSDtfsCounter, 10 mSDsluCounter, 1439 mSDsCounter, 0 mSdLazyCounter, 771 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 1857 SdHoareTripleChecker+Invalid, 772 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 771 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:28:21,254 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 1857 Invalid, 772 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 771 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-13 13:28:21,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 509 states. [2024-11-13 13:28:21,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 509 to 504. [2024-11-13 13:28:21,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 504 states, 497 states have (on average 1.3259557344064385) internal successors, (659), 499 states have internal predecessors, (659), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-13 13:28:21,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 504 states and 666 transitions. [2024-11-13 13:28:21,267 INFO L78 Accepts]: Start accepts. Automaton has 504 states and 666 transitions. Word has length 178 [2024-11-13 13:28:21,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:28:21,267 INFO L471 AbstractCegarLoop]: Abstraction has 504 states and 666 transitions. [2024-11-13 13:28:21,268 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.142857142857142) internal successors, (169), 7 states have internal predecessors, (169), 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) [2024-11-13 13:28:21,268 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 666 transitions. [2024-11-13 13:28:21,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-13 13:28:21,270 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:28:21,270 INFO L215 NwaCegarLoop]: trace histogram [2, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:28:21,298 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9d0c12-fa54-4c19-8380-650716cc33cc/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-13 13:28:21,470 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9d0c12-fa54-4c19-8380-650716cc33cc/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:28:21,471 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-13 13:28:21,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:28:21,471 INFO L85 PathProgramCache]: Analyzing trace with hash 446985250, now seen corresponding path program 1 times [2024-11-13 13:28:21,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:28:21,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475878500] [2024-11-13 13:28:21,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:28:21,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:28:21,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:22,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-13 13:28:22,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:22,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-13 13:28:22,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:22,133 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 13:28:22,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:28:22,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475878500] [2024-11-13 13:28:22,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [475878500] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:28:22,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1805325915] [2024-11-13 13:28:22,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:28:22,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:28:22,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9d0c12-fa54-4c19-8380-650716cc33cc/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:28:22,137 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9d0c12-fa54-4c19-8380-650716cc33cc/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:28:22,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9d0c12-fa54-4c19-8380-650716cc33cc/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-13 13:28:22,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:22,967 INFO L255 TraceCheckSpWp]: Trace formula consists of 802 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-13 13:28:22,970 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:28:23,858 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-13 13:28:23,858 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:28:23,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1805325915] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:28:23,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 13:28:23,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [6] total 15 [2024-11-13 13:28:23,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731946587] [2024-11-13 13:28:23,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:28:23,859 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-13 13:28:23,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:28:23,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-13 13:28:23,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2024-11-13 13:28:23,863 INFO L87 Difference]: Start difference. First operand 504 states and 666 transitions. Second operand has 11 states, 11 states have (on average 15.363636363636363) internal successors, (169), 11 states have internal predecessors, (169), 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) [2024-11-13 13:28:26,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:28:26,006 INFO L93 Difference]: Finished difference Result 509 states and 671 transitions. [2024-11-13 13:28:26,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 13:28:26,007 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 15.363636363636363) internal successors, (169), 11 states have internal predecessors, (169), 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 178 [2024-11-13 13:28:26,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:28:26,008 INFO L225 Difference]: With dead ends: 509 [2024-11-13 13:28:26,008 INFO L226 Difference]: Without dead ends: 509 [2024-11-13 13:28:26,008 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2024-11-13 13:28:26,009 INFO L432 NwaCegarLoop]: 417 mSDtfsCounter, 11 mSDsluCounter, 2561 mSDsCounter, 0 mSdLazyCounter, 1396 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 2978 SdHoareTripleChecker+Invalid, 1397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:28:26,009 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 2978 Invalid, 1397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1396 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-13 13:28:26,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 509 states. [2024-11-13 13:28:26,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 509 to 507. [2024-11-13 13:28:26,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 507 states, 500 states have (on average 1.324) internal successors, (662), 502 states have internal predecessors, (662), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-13 13:28:26,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 507 states and 669 transitions. [2024-11-13 13:28:26,022 INFO L78 Accepts]: Start accepts. Automaton has 507 states and 669 transitions. Word has length 178 [2024-11-13 13:28:26,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:28:26,022 INFO L471 AbstractCegarLoop]: Abstraction has 507 states and 669 transitions. [2024-11-13 13:28:26,022 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 15.363636363636363) internal successors, (169), 11 states have internal predecessors, (169), 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) [2024-11-13 13:28:26,023 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 669 transitions. [2024-11-13 13:28:26,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-13 13:28:26,024 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:28:26,025 INFO L215 NwaCegarLoop]: trace histogram [2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:28:26,054 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9d0c12-fa54-4c19-8380-650716cc33cc/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-13 13:28:26,225 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9d0c12-fa54-4c19-8380-650716cc33cc/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:28:26,225 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-13 13:28:26,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:28:26,226 INFO L85 PathProgramCache]: Analyzing trace with hash 278941125, now seen corresponding path program 1 times [2024-11-13 13:28:26,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:28:26,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307862581] [2024-11-13 13:28:26,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:28:26,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:28:26,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:26,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-13 13:28:26,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:26,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-13 13:28:26,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:26,834 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 13:28:26,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:28:26,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307862581] [2024-11-13 13:28:26,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307862581] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:28:26,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [528215638] [2024-11-13 13:28:26,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:28:26,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:28:26,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9d0c12-fa54-4c19-8380-650716cc33cc/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:28:26,837 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9d0c12-fa54-4c19-8380-650716cc33cc/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:28:26,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9d0c12-fa54-4c19-8380-650716cc33cc/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-13 13:28:27,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:27,645 INFO L255 TraceCheckSpWp]: Trace formula consists of 803 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 13:28:27,667 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:28:28,120 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-13 13:28:28,120 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:28:28,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [528215638] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:28:28,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 13:28:28,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [6] total 15 [2024-11-13 13:28:28,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119178329] [2024-11-13 13:28:28,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:28:28,121 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-13 13:28:28,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:28:28,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-13 13:28:28,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2024-11-13 13:28:28,122 INFO L87 Difference]: Start difference. First operand 507 states and 669 transitions. Second operand has 11 states, 11 states have (on average 15.545454545454545) internal successors, (171), 11 states have internal predecessors, (171), 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) [2024-11-13 13:28:28,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:28:28,962 INFO L93 Difference]: Finished difference Result 547 states and 731 transitions. [2024-11-13 13:28:28,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 13:28:28,963 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 15.545454545454545) internal successors, (171), 11 states have internal predecessors, (171), 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 179 [2024-11-13 13:28:28,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:28:28,966 INFO L225 Difference]: With dead ends: 547 [2024-11-13 13:28:28,966 INFO L226 Difference]: Without dead ends: 547 [2024-11-13 13:28:28,966 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2024-11-13 13:28:28,966 INFO L432 NwaCegarLoop]: 399 mSDtfsCounter, 28 mSDsluCounter, 2476 mSDsCounter, 0 mSdLazyCounter, 636 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 2875 SdHoareTripleChecker+Invalid, 636 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 636 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-13 13:28:28,967 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 2875 Invalid, 636 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 636 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-13 13:28:28,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 547 states. [2024-11-13 13:28:28,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 547 to 529. [2024-11-13 13:28:28,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 529 states, 522 states have (on average 1.3295019157088122) internal successors, (694), 524 states have internal predecessors, (694), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-13 13:28:28,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 701 transitions. [2024-11-13 13:28:28,978 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 701 transitions. Word has length 179 [2024-11-13 13:28:28,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:28:28,979 INFO L471 AbstractCegarLoop]: Abstraction has 529 states and 701 transitions. [2024-11-13 13:28:28,979 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 15.545454545454545) internal successors, (171), 11 states have internal predecessors, (171), 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) [2024-11-13 13:28:28,979 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 701 transitions. [2024-11-13 13:28:28,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-13 13:28:28,981 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:28:28,981 INFO L215 NwaCegarLoop]: trace histogram [2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:28:29,009 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9d0c12-fa54-4c19-8380-650716cc33cc/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-13 13:28:29,181 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9d0c12-fa54-4c19-8380-650716cc33cc/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:28:29,182 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-13 13:28:29,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:28:29,183 INFO L85 PathProgramCache]: Analyzing trace with hash 188929080, now seen corresponding path program 1 times [2024-11-13 13:28:29,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:28:29,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000003363] [2024-11-13 13:28:29,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:28:29,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:28:29,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:29,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 13:28:29,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:29,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-13 13:28:29,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:29,877 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-13 13:28:29,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:28:29,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000003363] [2024-11-13 13:28:29,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000003363] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:28:29,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:28:29,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-13 13:28:29,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633586313] [2024-11-13 13:28:29,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:28:29,878 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 13:28:29,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:28:29,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 13:28:29,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-13 13:28:29,881 INFO L87 Difference]: Start difference. First operand 529 states and 701 transitions. Second operand has 10 states, 10 states have (on average 17.2) internal successors, (172), 9 states have internal predecessors, (172), 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) [2024-11-13 13:28:30,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:28:30,728 INFO L93 Difference]: Finished difference Result 549 states and 725 transitions. [2024-11-13 13:28:30,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 13:28:30,729 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 17.2) internal successors, (172), 9 states have internal predecessors, (172), 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 180 [2024-11-13 13:28:30,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:28:30,731 INFO L225 Difference]: With dead ends: 549 [2024-11-13 13:28:30,731 INFO L226 Difference]: Without dead ends: 549 [2024-11-13 13:28:30,732 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-13 13:28:30,732 INFO L432 NwaCegarLoop]: 417 mSDtfsCounter, 19 mSDsluCounter, 2876 mSDsCounter, 0 mSdLazyCounter, 600 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 3293 SdHoareTripleChecker+Invalid, 604 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 600 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-13 13:28:30,733 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 3293 Invalid, 604 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 600 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-13 13:28:30,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2024-11-13 13:28:30,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 543. [2024-11-13 13:28:30,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 543 states, 536 states have (on average 1.328358208955224) internal successors, (712), 538 states have internal predecessors, (712), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-13 13:28:30,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 719 transitions. [2024-11-13 13:28:30,748 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 719 transitions. Word has length 180 [2024-11-13 13:28:30,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:28:30,748 INFO L471 AbstractCegarLoop]: Abstraction has 543 states and 719 transitions. [2024-11-13 13:28:30,749 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 17.2) internal successors, (172), 9 states have internal predecessors, (172), 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) [2024-11-13 13:28:30,749 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 719 transitions. [2024-11-13 13:28:30,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-13 13:28:30,751 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:28:30,752 INFO L215 NwaCegarLoop]: trace histogram [2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:28:30,752 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-13 13:28:30,752 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-13 13:28:30,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:28:30,753 INFO L85 PathProgramCache]: Analyzing trace with hash 897249376, now seen corresponding path program 1 times [2024-11-13 13:28:30,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:28:30,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639868480] [2024-11-13 13:28:30,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:28:30,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:28:31,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:31,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 13:28:31,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:31,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-13 13:28:31,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:31,455 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 13:28:31,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:28:31,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639868480] [2024-11-13 13:28:31,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1639868480] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:28:31,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1546098244] [2024-11-13 13:28:31,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:28:31,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:28:31,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9d0c12-fa54-4c19-8380-650716cc33cc/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:28:31,458 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9d0c12-fa54-4c19-8380-650716cc33cc/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:28:31,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9d0c12-fa54-4c19-8380-650716cc33cc/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-13 13:28:32,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:32,336 INFO L255 TraceCheckSpWp]: Trace formula consists of 804 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 13:28:32,339 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:28:32,626 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-13 13:28:32,626 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:28:32,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1546098244] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:28:32,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 13:28:32,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2024-11-13 13:28:32,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345456759] [2024-11-13 13:28:32,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:28:32,627 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 13:28:32,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:28:32,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 13:28:32,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2024-11-13 13:28:32,628 INFO L87 Difference]: Start difference. First operand 543 states and 719 transitions. Second operand has 7 states, 7 states have (on average 24.571428571428573) internal successors, (172), 7 states have internal predecessors, (172), 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) [2024-11-13 13:28:33,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:28:33,148 INFO L93 Difference]: Finished difference Result 531 states and 699 transitions. [2024-11-13 13:28:33,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 13:28:33,148 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.571428571428573) internal successors, (172), 7 states have internal predecessors, (172), 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 180 [2024-11-13 13:28:33,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:28:33,150 INFO L225 Difference]: With dead ends: 531 [2024-11-13 13:28:33,150 INFO L226 Difference]: Without dead ends: 531 [2024-11-13 13:28:33,150 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2024-11-13 13:28:33,151 INFO L432 NwaCegarLoop]: 418 mSDtfsCounter, 8 mSDsluCounter, 1745 mSDsCounter, 0 mSdLazyCounter, 424 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 2163 SdHoareTripleChecker+Invalid, 425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 13:28:33,151 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 2163 Invalid, 425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 424 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 13:28:33,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states. [2024-11-13 13:28:33,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 521. [2024-11-13 13:28:33,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 521 states, 514 states have (on average 1.3229571984435797) internal successors, (680), 516 states have internal predecessors, (680), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-13 13:28:33,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 521 states and 687 transitions. [2024-11-13 13:28:33,161 INFO L78 Accepts]: Start accepts. Automaton has 521 states and 687 transitions. Word has length 180 [2024-11-13 13:28:33,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:28:33,162 INFO L471 AbstractCegarLoop]: Abstraction has 521 states and 687 transitions. [2024-11-13 13:28:33,162 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.571428571428573) internal successors, (172), 7 states have internal predecessors, (172), 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) [2024-11-13 13:28:33,162 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 687 transitions. [2024-11-13 13:28:33,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-13 13:28:33,164 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:28:33,164 INFO L215 NwaCegarLoop]: trace histogram [2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:28:33,196 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9d0c12-fa54-4c19-8380-650716cc33cc/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-13 13:28:33,364 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9d0c12-fa54-4c19-8380-650716cc33cc/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-13 13:28:33,365 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-13 13:28:33,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:28:33,365 INFO L85 PathProgramCache]: Analyzing trace with hash -1628145124, now seen corresponding path program 1 times [2024-11-13 13:28:33,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:28:33,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305682706] [2024-11-13 13:28:33,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:28:33,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:28:33,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:33,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 13:28:33,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:34,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-13 13:28:34,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:34,054 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 13:28:34,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:28:34,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305682706] [2024-11-13 13:28:34,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305682706] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:28:34,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [471879564] [2024-11-13 13:28:34,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:28:34,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:28:34,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9d0c12-fa54-4c19-8380-650716cc33cc/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:28:34,057 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9d0c12-fa54-4c19-8380-650716cc33cc/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:28:34,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9d0c12-fa54-4c19-8380-650716cc33cc/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-13 13:28:34,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:34,871 INFO L255 TraceCheckSpWp]: Trace formula consists of 804 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 13:28:34,875 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:28:35,040 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-13 13:28:35,041 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:28:35,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [471879564] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:28:35,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 13:28:35,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2024-11-13 13:28:35,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874237419] [2024-11-13 13:28:35,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:28:35,041 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 13:28:35,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:28:35,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 13:28:35,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2024-11-13 13:28:35,045 INFO L87 Difference]: Start difference. First operand 521 states and 687 transitions. Second operand has 7 states, 7 states have (on average 24.571428571428573) internal successors, (172), 7 states have internal predecessors, (172), 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) [2024-11-13 13:28:35,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:28:35,486 INFO L93 Difference]: Finished difference Result 531 states and 701 transitions. [2024-11-13 13:28:35,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 13:28:35,487 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.571428571428573) internal successors, (172), 7 states have internal predecessors, (172), 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 180 [2024-11-13 13:28:35,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:28:35,488 INFO L225 Difference]: With dead ends: 531 [2024-11-13 13:28:35,488 INFO L226 Difference]: Without dead ends: 531 [2024-11-13 13:28:35,488 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2024-11-13 13:28:35,489 INFO L432 NwaCegarLoop]: 409 mSDtfsCounter, 13 mSDsluCounter, 1761 mSDsCounter, 0 mSdLazyCounter, 377 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 2170 SdHoareTripleChecker+Invalid, 377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:28:35,489 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 2170 Invalid, 377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 377 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 13:28:35,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states. [2024-11-13 13:28:35,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 525. [2024-11-13 13:28:35,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 525 states, 518 states have (on average 1.3204633204633205) internal successors, (684), 520 states have internal predecessors, (684), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-13 13:28:35,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 691 transitions. [2024-11-13 13:28:35,499 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 691 transitions. Word has length 180 [2024-11-13 13:28:35,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:28:35,499 INFO L471 AbstractCegarLoop]: Abstraction has 525 states and 691 transitions. [2024-11-13 13:28:35,499 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.571428571428573) internal successors, (172), 7 states have internal predecessors, (172), 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) [2024-11-13 13:28:35,500 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 691 transitions. [2024-11-13 13:28:35,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-13 13:28:35,501 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:28:35,502 INFO L215 NwaCegarLoop]: trace histogram [2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:28:35,529 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9d0c12-fa54-4c19-8380-650716cc33cc/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-13 13:28:35,702 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9d0c12-fa54-4c19-8380-650716cc33cc/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:28:35,702 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-13 13:28:35,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:28:35,703 INFO L85 PathProgramCache]: Analyzing trace with hash -1687257483, now seen corresponding path program 1 times [2024-11-13 13:28:35,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:28:35,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504627729] [2024-11-13 13:28:35,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:28:35,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:28:35,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:36,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-13 13:28:36,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:36,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-13 13:28:36,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:36,379 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-13 13:28:36,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:28:36,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504627729] [2024-11-13 13:28:36,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504627729] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:28:36,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:28:36,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-13 13:28:36,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722797550] [2024-11-13 13:28:36,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:28:36,381 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-13 13:28:36,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:28:36,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-13 13:28:36,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-13 13:28:36,382 INFO L87 Difference]: Start difference. First operand 525 states and 691 transitions. Second operand has 11 states, 11 states have (on average 15.727272727272727) internal successors, (173), 10 states have internal predecessors, (173), 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) [2024-11-13 13:28:37,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:28:37,455 INFO L93 Difference]: Finished difference Result 543 states and 715 transitions. [2024-11-13 13:28:37,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 13:28:37,455 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 15.727272727272727) internal successors, (173), 10 states have internal predecessors, (173), 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 181 [2024-11-13 13:28:37,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:28:37,457 INFO L225 Difference]: With dead ends: 543 [2024-11-13 13:28:37,457 INFO L226 Difference]: Without dead ends: 543 [2024-11-13 13:28:37,457 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-11-13 13:28:37,458 INFO L432 NwaCegarLoop]: 418 mSDtfsCounter, 25 mSDsluCounter, 2522 mSDsCounter, 0 mSdLazyCounter, 632 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 2940 SdHoareTripleChecker+Invalid, 636 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 632 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:28:37,458 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 2940 Invalid, 636 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 632 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-13 13:28:37,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2024-11-13 13:28:37,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 531. [2024-11-13 13:28:37,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 531 states, 524 states have (on average 1.316793893129771) internal successors, (690), 526 states have internal predecessors, (690), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-13 13:28:37,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 531 states and 697 transitions. [2024-11-13 13:28:37,468 INFO L78 Accepts]: Start accepts. Automaton has 531 states and 697 transitions. Word has length 181 [2024-11-13 13:28:37,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:28:37,468 INFO L471 AbstractCegarLoop]: Abstraction has 531 states and 697 transitions. [2024-11-13 13:28:37,469 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 15.727272727272727) internal successors, (173), 10 states have internal predecessors, (173), 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) [2024-11-13 13:28:37,469 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 697 transitions. [2024-11-13 13:28:37,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-13 13:28:37,471 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:28:37,471 INFO L215 NwaCegarLoop]: trace histogram [2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:28:37,471 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-13 13:28:37,471 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-13 13:28:37,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:28:37,472 INFO L85 PathProgramCache]: Analyzing trace with hash 2112984337, now seen corresponding path program 1 times [2024-11-13 13:28:37,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:28:37,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827198297] [2024-11-13 13:28:37,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:28:37,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:28:37,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:38,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-13 13:28:38,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:38,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-13 13:28:38,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:38,289 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 13:28:38,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:28:38,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827198297] [2024-11-13 13:28:38,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827198297] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:28:38,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [240935873] [2024-11-13 13:28:38,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:28:38,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:28:38,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9d0c12-fa54-4c19-8380-650716cc33cc/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:28:38,292 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9d0c12-fa54-4c19-8380-650716cc33cc/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:28:38,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c9d0c12-fa54-4c19-8380-650716cc33cc/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-13 13:28:39,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:28:39,390 INFO L255 TraceCheckSpWp]: Trace formula consists of 805 conjuncts, 99 conjuncts are in the unsatisfiable core [2024-11-13 13:28:39,400 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:28:39,407 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 [2024-11-13 13:28:39,815 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 15 treesize of output 1 [2024-11-13 13:28:39,858 INFO L349 Elim1Store]: treesize reduction 26, result has 35.0 percent of original size [2024-11-13 13:28:39,858 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 29 [2024-11-13 13:28:39,887 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-13 13:28:40,011 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 18 treesize of output 10 [2024-11-13 13:28:40,021 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-11-13 13:28:40,273 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-13 13:28:40,274 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 45 [2024-11-13 13:28:40,287 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 [2024-11-13 13:29:25,822 INFO L224 Elim1Store]: Index analysis took 1341 ms