./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 5eb0e4c4138981b5d0263d433279609e9b809291f20fa6c19565d53ef342ae2b --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 13:00:27,860 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 13:00:27,939 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2024-11-12 13:00:27,944 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 13:00:27,945 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 13:00:27,976 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 13:00:27,978 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 13:00:27,978 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 13:00:27,979 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 13:00:27,980 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 13:00:27,981 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 13:00:27,981 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 13:00:27,982 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 13:00:27,982 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 13:00:27,984 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 13:00:27,984 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 13:00:27,985 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 13:00:27,985 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 13:00:27,985 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 13:00:27,985 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 13:00:27,986 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 13:00:27,988 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 13:00:27,989 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-12 13:00:27,989 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-12 13:00:27,989 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 13:00:27,990 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 13:00:27,990 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-12 13:00:27,990 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 13:00:27,990 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 13:00:27,991 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 13:00:27,991 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 13:00:27,991 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 13:00:27,992 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 13:00:27,992 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 13:00:27,992 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 13:00:27,992 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 13:00:27,992 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 13:00:27,992 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 13:00:27,993 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 13:00:27,993 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 13:00:27,993 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 13:00:27,993 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 13:00:27,994 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 13:00:27,994 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 13:00:27,994 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 13:00:27,994 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5eb0e4c4138981b5d0263d433279609e9b809291f20fa6c19565d53ef342ae2b [2024-11-12 13:00:28,234 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 13:00:28,258 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 13:00:28,261 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 13:00:28,263 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 13:00:28,263 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 13:00:28,265 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i [2024-11-12 13:00:29,784 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 13:00:30,088 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 13:00:30,090 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i [2024-11-12 13:00:30,115 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50a7da2c7/7cc47d6a192f4d788ca49dbcec89776f/FLAG58aed4a72 [2024-11-12 13:00:30,131 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50a7da2c7/7cc47d6a192f4d788ca49dbcec89776f [2024-11-12 13:00:30,134 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 13:00:30,136 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 13:00:30,139 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 13:00:30,139 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 13:00:30,145 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 13:00:30,146 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:00:30" (1/1) ... [2024-11-12 13:00:30,147 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b2925ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:30, skipping insertion in model container [2024-11-12 13:00:30,150 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:00:30" (1/1) ... [2024-11-12 13:00:30,212 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 13:00:30,637 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-12 13:00:30,729 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-12 13:00:30,736 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-12 13:00:30,744 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-12 13:00:30,768 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-12 13:00:30,811 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-12 13:00:30,814 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-12 13:00:30,817 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-12 13:00:30,818 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-12 13:00:30,829 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 13:00:30,847 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 13:00:30,952 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 13:00:30,999 INFO L204 MainTranslator]: Completed translation [2024-11-12 13:00:31,000 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:30 WrapperNode [2024-11-12 13:00:31,000 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 13:00:31,001 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 13:00:31,001 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 13:00:31,002 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 13:00:31,009 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:30" (1/1) ... [2024-11-12 13:00:31,047 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:30" (1/1) ... [2024-11-12 13:00:31,139 INFO L138 Inliner]: procedures = 208, calls = 229, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1302 [2024-11-12 13:00:31,139 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 13:00:31,140 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 13:00:31,140 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 13:00:31,140 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 13:00:31,153 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:30" (1/1) ... [2024-11-12 13:00:31,153 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:30" (1/1) ... [2024-11-12 13:00:31,168 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:30" (1/1) ... [2024-11-12 13:00:31,235 INFO L175 MemorySlicer]: Split 208 memory accesses to 3 slices as follows [2, 34, 172]. 83 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 46 writes are split as follows [0, 4, 42]. [2024-11-12 13:00:31,236 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:30" (1/1) ... [2024-11-12 13:00:31,236 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:30" (1/1) ... [2024-11-12 13:00:31,276 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:30" (1/1) ... [2024-11-12 13:00:31,290 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:30" (1/1) ... [2024-11-12 13:00:31,295 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:30" (1/1) ... [2024-11-12 13:00:31,302 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:30" (1/1) ... [2024-11-12 13:00:31,325 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 13:00:31,326 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 13:00:31,327 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 13:00:31,327 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 13:00:31,329 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:30" (1/1) ... [2024-11-12 13:00:31,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 13:00:31,355 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 13:00:31,378 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-12 13:00:31,382 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-12 13:00:31,434 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-12 13:00:31,434 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-12 13:00:31,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-12 13:00:31,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-12 13:00:31,436 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-12 13:00:31,436 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-12 13:00:31,436 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-12 13:00:31,436 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-12 13:00:31,436 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-12 13:00:31,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-12 13:00:31,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-12 13:00:31,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-12 13:00:31,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-12 13:00:31,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-12 13:00:31,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-12 13:00:31,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-12 13:00:31,438 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-12 13:00:31,438 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-12 13:00:31,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-12 13:00:31,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-12 13:00:31,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-12 13:00:31,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-12 13:00:31,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 13:00:31,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-12 13:00:31,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-12 13:00:31,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-12 13:00:31,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 13:00:31,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-12 13:00:31,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-12 13:00:31,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 13:00:31,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 13:00:31,671 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 13:00:31,675 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 13:00:33,170 INFO L? ?]: Removed 304 outVars from TransFormulas that were not future-live. [2024-11-12 13:00:33,171 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 13:00:33,195 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 13:00:33,196 INFO L316 CfgBuilder]: Removed 54 assume(true) statements. [2024-11-12 13:00:33,196 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:00:33 BoogieIcfgContainer [2024-11-12 13:00:33,196 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 13:00:33,199 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 13:00:33,199 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 13:00:33,202 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 13:00:33,203 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 01:00:30" (1/3) ... [2024-11-12 13:00:33,203 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@430f270d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:00:33, skipping insertion in model container [2024-11-12 13:00:33,204 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:30" (2/3) ... [2024-11-12 13:00:33,204 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@430f270d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:00:33, skipping insertion in model container [2024-11-12 13:00:33,205 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:00:33" (3/3) ... [2024-11-12 13:00:33,206 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test2-1.i [2024-11-12 13:00:33,224 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 13:00:33,224 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-12 13:00:33,295 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 13:00:33,304 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;@7221d417, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 13:00:33,305 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-12 13:00:33,311 INFO L276 IsEmpty]: Start isEmpty. Operand has 385 states, 369 states have (on average 1.6233062330623307) internal successors, (599), 378 states have internal predecessors, (599), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 6 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-12 13:00:33,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-12 13:00:33,320 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 13:00:33,321 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-12 13:00:33,322 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-12 13:00:33,328 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 13:00:33,329 INFO L85 PathProgramCache]: Analyzing trace with hash -1585083213, now seen corresponding path program 1 times [2024-11-12 13:00:33,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 13:00:33,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781536930] [2024-11-12 13:00:33,338 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 13:00:33,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 13:00:33,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 13:00:33,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 13:00:33,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 13:00:33,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781536930] [2024-11-12 13:00:33,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [781536930] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 13:00:33,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 13:00:33,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 13:00:33,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731933866] [2024-11-12 13:00:33,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 13:00:33,510 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-12 13:00:33,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 13:00:33,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 13:00:33,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 13:00:33,545 INFO L87 Difference]: Start difference. First operand has 385 states, 369 states have (on average 1.6233062330623307) internal successors, (599), 378 states have internal predecessors, (599), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 6 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 13:00:33,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 13:00:33,601 INFO L93 Difference]: Finished difference Result 383 states and 556 transitions. [2024-11-12 13:00:33,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 13:00:33,605 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-12 13:00:33,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 13:00:33,620 INFO L225 Difference]: With dead ends: 383 [2024-11-12 13:00:33,621 INFO L226 Difference]: Without dead ends: 381 [2024-11-12 13:00:33,623 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 13:00:33,626 INFO L435 NwaCegarLoop]: 556 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 556 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 13:00:33,627 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 556 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 13:00:33,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2024-11-12 13:00:33,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 381. [2024-11-12 13:00:33,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 367 states have (on average 1.4604904632152589) internal successors, (536), 374 states have internal predecessors, (536), 10 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-12 13:00:33,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 554 transitions. [2024-11-12 13:00:33,683 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 554 transitions. Word has length 7 [2024-11-12 13:00:33,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 13:00:33,683 INFO L471 AbstractCegarLoop]: Abstraction has 381 states and 554 transitions. [2024-11-12 13:00:33,684 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 13:00:33,684 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 554 transitions. [2024-11-12 13:00:33,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-12 13:00:33,684 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 13:00:33,684 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 13:00:33,685 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 13:00:33,685 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-12 13:00:33,686 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 13:00:33,686 INFO L85 PathProgramCache]: Analyzing trace with hash -940236438, now seen corresponding path program 1 times [2024-11-12 13:00:33,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 13:00:33,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007829508] [2024-11-12 13:00:33,686 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 13:00:33,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 13:00:33,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 13:00:33,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 13:00:33,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 13:00:33,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007829508] [2024-11-12 13:00:33,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007829508] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 13:00:33,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 13:00:33,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 13:00:33,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639976537] [2024-11-12 13:00:33,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 13:00:33,877 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 13:00:33,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 13:00:33,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 13:00:33,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 13:00:33,880 INFO L87 Difference]: Start difference. First operand 381 states and 554 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 13:00:34,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 13:00:34,068 INFO L93 Difference]: Finished difference Result 745 states and 1092 transitions. [2024-11-12 13:00:34,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 13:00:34,069 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-11-12 13:00:34,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 13:00:34,075 INFO L225 Difference]: With dead ends: 745 [2024-11-12 13:00:34,075 INFO L226 Difference]: Without dead ends: 745 [2024-11-12 13:00:34,076 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 13:00:34,077 INFO L435 NwaCegarLoop]: 537 mSDtfsCounter, 518 mSDsluCounter, 1059 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 526 SdHoareTripleChecker+Valid, 1596 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 13:00:34,079 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [526 Valid, 1596 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 13:00:34,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2024-11-12 13:00:34,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 383. [2024-11-12 13:00:34,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 369 states have (on average 1.4579945799457994) internal successors, (538), 376 states have internal predecessors, (538), 10 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-12 13:00:34,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 556 transitions. [2024-11-12 13:00:34,117 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 556 transitions. Word has length 9 [2024-11-12 13:00:34,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 13:00:34,117 INFO L471 AbstractCegarLoop]: Abstraction has 383 states and 556 transitions. [2024-11-12 13:00:34,117 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 13:00:34,118 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 556 transitions. [2024-11-12 13:00:34,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-12 13:00:34,120 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 13:00:34,121 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 13:00:34,121 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 13:00:34,121 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-12 13:00:34,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 13:00:34,122 INFO L85 PathProgramCache]: Analyzing trace with hash -1595384599, now seen corresponding path program 1 times [2024-11-12 13:00:34,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 13:00:34,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855139163] [2024-11-12 13:00:34,122 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 13:00:34,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 13:00:34,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 13:00:34,516 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 13:00:34,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 13:00:34,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855139163] [2024-11-12 13:00:34,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [855139163] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 13:00:34,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 13:00:34,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 13:00:34,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498486589] [2024-11-12 13:00:34,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 13:00:34,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 13:00:34,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 13:00:34,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 13:00:34,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 13:00:34,519 INFO L87 Difference]: Start difference. First operand 383 states and 556 transitions. Second operand has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 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) [2024-11-12 13:00:34,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 13:00:34,597 INFO L93 Difference]: Finished difference Result 386 states and 552 transitions. [2024-11-12 13:00:34,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 13:00:34,598 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 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 85 [2024-11-12 13:00:34,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 13:00:34,600 INFO L225 Difference]: With dead ends: 386 [2024-11-12 13:00:34,600 INFO L226 Difference]: Without dead ends: 386 [2024-11-12 13:00:34,601 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 13:00:34,602 INFO L435 NwaCegarLoop]: 526 mSDtfsCounter, 106 mSDsluCounter, 959 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 1485 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 13:00:34,602 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 1485 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 13:00:34,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2024-11-12 13:00:34,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 383. [2024-11-12 13:00:34,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 369 states have (on average 1.4390243902439024) internal successors, (531), 376 states have internal predecessors, (531), 10 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-12 13:00:34,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 549 transitions. [2024-11-12 13:00:34,614 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 549 transitions. Word has length 85 [2024-11-12 13:00:34,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 13:00:34,615 INFO L471 AbstractCegarLoop]: Abstraction has 383 states and 549 transitions. [2024-11-12 13:00:34,615 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 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) [2024-11-12 13:00:34,615 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 549 transitions. [2024-11-12 13:00:34,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-12 13:00:34,618 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 13:00:34,618 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 13:00:34,618 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 13:00:34,619 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-12 13:00:34,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 13:00:34,619 INFO L85 PathProgramCache]: Analyzing trace with hash 2124048923, now seen corresponding path program 1 times [2024-11-12 13:00:34,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 13:00:34,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833663631] [2024-11-12 13:00:34,620 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 13:00:34,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 13:00:34,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 13:00:34,827 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 13:00:34,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 13:00:34,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833663631] [2024-11-12 13:00:34,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833663631] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 13:00:34,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 13:00:34,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 13:00:34,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421319681] [2024-11-12 13:00:34,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 13:00:34,830 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 13:00:34,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 13:00:34,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 13:00:34,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 13:00:34,832 INFO L87 Difference]: Start difference. First operand 383 states and 549 transitions. Second operand has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 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) [2024-11-12 13:00:34,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 13:00:34,910 INFO L93 Difference]: Finished difference Result 335 states and 469 transitions. [2024-11-12 13:00:34,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 13:00:34,912 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 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 85 [2024-11-12 13:00:34,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 13:00:34,913 INFO L225 Difference]: With dead ends: 335 [2024-11-12 13:00:34,913 INFO L226 Difference]: Without dead ends: 335 [2024-11-12 13:00:34,914 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 13:00:34,916 INFO L435 NwaCegarLoop]: 451 mSDtfsCounter, 9 mSDsluCounter, 883 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1334 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 13:00:34,917 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1334 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 13:00:34,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2024-11-12 13:00:34,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 335. [2024-11-12 13:00:34,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 321 states have (on average 1.4049844236760125) internal successors, (451), 328 states have internal predecessors, (451), 10 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-12 13:00:34,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 469 transitions. [2024-11-12 13:00:34,924 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 469 transitions. Word has length 85 [2024-11-12 13:00:34,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 13:00:34,925 INFO L471 AbstractCegarLoop]: Abstraction has 335 states and 469 transitions. [2024-11-12 13:00:34,925 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 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) [2024-11-12 13:00:34,925 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 469 transitions. [2024-11-12 13:00:34,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-12 13:00:34,927 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 13:00:34,927 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 13:00:34,927 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 13:00:34,927 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-12 13:00:34,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 13:00:34,928 INFO L85 PathProgramCache]: Analyzing trace with hash 1922224989, now seen corresponding path program 1 times [2024-11-12 13:00:34,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 13:00:34,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965267017] [2024-11-12 13:00:34,929 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 13:00:34,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 13:00:34,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 13:00:35,149 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 13:00:35,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 13:00:35,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965267017] [2024-11-12 13:00:35,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965267017] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 13:00:35,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 13:00:35,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 13:00:35,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284844622] [2024-11-12 13:00:35,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 13:00:35,154 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 13:00:35,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 13:00:35,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 13:00:35,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 13:00:35,156 INFO L87 Difference]: Start difference. First operand 335 states and 469 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 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) [2024-11-12 13:00:35,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 13:00:35,219 INFO L93 Difference]: Finished difference Result 566 states and 804 transitions. [2024-11-12 13:00:35,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 13:00:35,219 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 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 85 [2024-11-12 13:00:35,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 13:00:35,222 INFO L225 Difference]: With dead ends: 566 [2024-11-12 13:00:35,223 INFO L226 Difference]: Without dead ends: 566 [2024-11-12 13:00:35,223 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 13:00:35,224 INFO L435 NwaCegarLoop]: 666 mSDtfsCounter, 269 mSDsluCounter, 453 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 274 SdHoareTripleChecker+Valid, 1119 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 13:00:35,224 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [274 Valid, 1119 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 13:00:35,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 566 states. [2024-11-12 13:00:35,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 566 to 562. [2024-11-12 13:00:35,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 562 states, 543 states have (on average 1.423572744014733) internal successors, (773), 555 states have internal predecessors, (773), 15 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (13), 5 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-12 13:00:35,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 562 states and 801 transitions. [2024-11-12 13:00:35,246 INFO L78 Accepts]: Start accepts. Automaton has 562 states and 801 transitions. Word has length 85 [2024-11-12 13:00:35,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 13:00:35,246 INFO L471 AbstractCegarLoop]: Abstraction has 562 states and 801 transitions. [2024-11-12 13:00:35,246 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 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) [2024-11-12 13:00:35,247 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 801 transitions. [2024-11-12 13:00:35,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-12 13:00:35,248 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 13:00:35,248 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 13:00:35,248 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 13:00:35,248 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-12 13:00:35,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 13:00:35,250 INFO L85 PathProgramCache]: Analyzing trace with hash -2000053124, now seen corresponding path program 1 times [2024-11-12 13:00:35,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 13:00:35,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681144490] [2024-11-12 13:00:35,250 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 13:00:35,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 13:00:35,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 13:00:35,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 13:00:35,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 13:00:35,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 13:00:35,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 13:00:35,648 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-12 13:00:35,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 13:00:35,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681144490] [2024-11-12 13:00:35,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681144490] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 13:00:35,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 13:00:35,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 13:00:35,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738527338] [2024-11-12 13:00:35,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 13:00:35,650 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 13:00:35,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 13:00:35,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 13:00:35,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 13:00:35,652 INFO L87 Difference]: Start difference. First operand 562 states and 801 transitions. Second operand has 5 states, 5 states have (on average 18.4) internal successors, (92), 4 states have internal predecessors, (92), 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) [2024-11-12 13:00:36,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 13:00:36,055 INFO L93 Difference]: Finished difference Result 812 states and 1174 transitions. [2024-11-12 13:00:36,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 13:00:36,056 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 4 states have internal predecessors, (92), 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 100 [2024-11-12 13:00:36,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 13:00:36,063 INFO L225 Difference]: With dead ends: 812 [2024-11-12 13:00:36,063 INFO L226 Difference]: Without dead ends: 812 [2024-11-12 13:00:36,063 INFO L434 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 [2024-11-12 13:00:36,065 INFO L435 NwaCegarLoop]: 483 mSDtfsCounter, 437 mSDsluCounter, 1301 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 448 SdHoareTripleChecker+Valid, 1784 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 13:00:36,067 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [448 Valid, 1784 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 13:00:36,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 812 states. [2024-11-12 13:00:36,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 812 to 564. [2024-11-12 13:00:36,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 564 states, 545 states have (on average 1.4220183486238531) internal successors, (775), 557 states have internal predecessors, (775), 15 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (13), 5 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-12 13:00:36,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 803 transitions. [2024-11-12 13:00:36,085 INFO L78 Accepts]: Start accepts. Automaton has 564 states and 803 transitions. Word has length 100 [2024-11-12 13:00:36,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 13:00:36,086 INFO L471 AbstractCegarLoop]: Abstraction has 564 states and 803 transitions. [2024-11-12 13:00:36,086 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 4 states have internal predecessors, (92), 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) [2024-11-12 13:00:36,086 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 803 transitions. [2024-11-12 13:00:36,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-12 13:00:36,088 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 13:00:36,090 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 13:00:36,091 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-12 13:00:36,091 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-12 13:00:36,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 13:00:36,092 INFO L85 PathProgramCache]: Analyzing trace with hash 379565716, now seen corresponding path program 1 times [2024-11-12 13:00:36,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 13:00:36,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102973845] [2024-11-12 13:00:36,093 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 13:00:36,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 13:00:36,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 13:00:36,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 13:00:36,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 13:00:36,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 13:00:36,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 13:00:36,482 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-12 13:00:36,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 13:00:36,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102973845] [2024-11-12 13:00:36,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2102973845] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 13:00:36,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 13:00:36,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-12 13:00:36,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47063024] [2024-11-12 13:00:36,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 13:00:36,484 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 13:00:36,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 13:00:36,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 13:00:36,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-12 13:00:36,485 INFO L87 Difference]: Start difference. First operand 564 states and 803 transitions. Second operand has 6 states, 6 states have (on average 24.666666666666668) internal successors, (148), 5 states have internal predecessors, (148), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-12 13:00:36,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 13:00:36,754 INFO L93 Difference]: Finished difference Result 483 states and 655 transitions. [2024-11-12 13:00:36,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 13:00:36,754 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 24.666666666666668) internal successors, (148), 5 states have internal predecessors, (148), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 157 [2024-11-12 13:00:36,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 13:00:36,757 INFO L225 Difference]: With dead ends: 483 [2024-11-12 13:00:36,757 INFO L226 Difference]: Without dead ends: 483 [2024-11-12 13:00:36,757 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-12 13:00:36,758 INFO L435 NwaCegarLoop]: 354 mSDtfsCounter, 32 mSDsluCounter, 973 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 1327 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 13:00:36,758 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 1327 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 13:00:36,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2024-11-12 13:00:36,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 480. [2024-11-12 13:00:36,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 480 states, 461 states have (on average 1.3470715835140998) internal successors, (621), 473 states have internal predecessors, (621), 15 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (13), 5 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-12 13:00:36,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 480 states and 649 transitions. [2024-11-12 13:00:36,768 INFO L78 Accepts]: Start accepts. Automaton has 480 states and 649 transitions. Word has length 157 [2024-11-12 13:00:36,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 13:00:36,769 INFO L471 AbstractCegarLoop]: Abstraction has 480 states and 649 transitions. [2024-11-12 13:00:36,769 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 24.666666666666668) internal successors, (148), 5 states have internal predecessors, (148), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-12 13:00:36,769 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 649 transitions. [2024-11-12 13:00:36,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-12 13:00:36,771 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 13:00:36,771 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 13:00:36,771 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-12 13:00:36,772 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-12 13:00:36,772 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 13:00:36,772 INFO L85 PathProgramCache]: Analyzing trace with hash -164690494, now seen corresponding path program 1 times [2024-11-12 13:00:36,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 13:00:36,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48295729] [2024-11-12 13:00:36,773 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 13:00:36,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 13:00:36,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 13:00:37,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 13:00:37,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 13:00:37,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 13:00:37,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 13:00:37,017 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-12 13:00:37,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 13:00:37,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48295729] [2024-11-12 13:00:37,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48295729] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 13:00:37,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 13:00:37,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 13:00:37,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605042928] [2024-11-12 13:00:37,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 13:00:37,023 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 13:00:37,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 13:00:37,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 13:00:37,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 13:00:37,024 INFO L87 Difference]: Start difference. First operand 480 states and 649 transitions. Second operand has 5 states, 5 states have (on average 29.6) internal successors, (148), 4 states have internal predecessors, (148), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-12 13:00:37,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 13:00:37,286 INFO L93 Difference]: Finished difference Result 471 states and 635 transitions. [2024-11-12 13:00:37,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 13:00:37,287 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.6) internal successors, (148), 4 states have internal predecessors, (148), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 157 [2024-11-12 13:00:37,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 13:00:37,290 INFO L225 Difference]: With dead ends: 471 [2024-11-12 13:00:37,290 INFO L226 Difference]: Without dead ends: 471 [2024-11-12 13:00:37,290 INFO L434 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 [2024-11-12 13:00:37,291 INFO L435 NwaCegarLoop]: 356 mSDtfsCounter, 19 mSDsluCounter, 974 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 1330 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 13:00:37,291 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 1330 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 13:00:37,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2024-11-12 13:00:37,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 468. [2024-11-12 13:00:37,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 468 states, 449 states have (on average 1.3385300668151447) internal successors, (601), 461 states have internal predecessors, (601), 15 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (13), 5 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-12 13:00:37,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 629 transitions. [2024-11-12 13:00:37,305 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 629 transitions. Word has length 157 [2024-11-12 13:00:37,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 13:00:37,306 INFO L471 AbstractCegarLoop]: Abstraction has 468 states and 629 transitions. [2024-11-12 13:00:37,306 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.6) internal successors, (148), 4 states have internal predecessors, (148), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-12 13:00:37,306 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 629 transitions. [2024-11-12 13:00:37,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-12 13:00:37,308 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 13:00:37,309 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 13:00:37,309 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-12 13:00:37,309 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-12 13:00:37,309 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 13:00:37,310 INFO L85 PathProgramCache]: Analyzing trace with hash 579858890, now seen corresponding path program 1 times [2024-11-12 13:00:37,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 13:00:37,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660901900] [2024-11-12 13:00:37,310 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 13:00:37,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 13:00:37,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 13:00:37,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 13:00:37,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 13:00:37,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 13:00:37,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 13:00:37,635 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 13:00:37,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 13:00:37,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660901900] [2024-11-12 13:00:37,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660901900] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 13:00:37,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 13:00:37,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-12 13:00:37,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736376009] [2024-11-12 13:00:37,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 13:00:37,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 13:00:37,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 13:00:37,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 13:00:37,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-12 13:00:37,638 INFO L87 Difference]: Start difference. First operand 468 states and 629 transitions. Second operand has 6 states, 6 states have (on average 24.833333333333332) internal successors, (149), 5 states have internal predecessors, (149), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-12 13:00:38,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 13:00:38,054 INFO L93 Difference]: Finished difference Result 554 states and 743 transitions. [2024-11-12 13:00:38,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 13:00:38,055 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 24.833333333333332) internal successors, (149), 5 states have internal predecessors, (149), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 157 [2024-11-12 13:00:38,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 13:00:38,058 INFO L225 Difference]: With dead ends: 554 [2024-11-12 13:00:38,058 INFO L226 Difference]: Without dead ends: 554 [2024-11-12 13:00:38,058 INFO L434 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 [2024-11-12 13:00:38,059 INFO L435 NwaCegarLoop]: 441 mSDtfsCounter, 1174 mSDsluCounter, 848 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1181 SdHoareTripleChecker+Valid, 1289 SdHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 13:00:38,059 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1181 Valid, 1289 Invalid, 223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 13:00:38,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states. [2024-11-12 13:00:38,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 370. [2024-11-12 13:00:38,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 370 states, 356 states have (on average 1.3258426966292134) internal successors, (472), 363 states have internal predecessors, (472), 10 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-12 13:00:38,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 490 transitions. [2024-11-12 13:00:38,071 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 490 transitions. Word has length 157 [2024-11-12 13:00:38,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 13:00:38,072 INFO L471 AbstractCegarLoop]: Abstraction has 370 states and 490 transitions. [2024-11-12 13:00:38,072 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 24.833333333333332) internal successors, (149), 5 states have internal predecessors, (149), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-12 13:00:38,072 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 490 transitions. [2024-11-12 13:00:38,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-12 13:00:38,073 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 13:00:38,074 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 13:00:38,074 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-12 13:00:38,074 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-12 13:00:38,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 13:00:38,077 INFO L85 PathProgramCache]: Analyzing trace with hash -1039178274, now seen corresponding path program 1 times [2024-11-12 13:00:38,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 13:00:38,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606950584] [2024-11-12 13:00:38,077 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 13:00:38,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 13:00:38,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 13:00:38,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 13:00:38,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 13:00:38,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 13:00:38,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 13:00:38,893 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 13:00:38,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 13:00:38,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606950584] [2024-11-12 13:00:38,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606950584] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 13:00:38,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1658956019] [2024-11-12 13:00:38,899 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 13:00:38,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 13:00:38,899 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 13:00:38,901 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 13:00:38,902 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-12 13:00:39,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 13:00:39,278 INFO L256 TraceCheckSpWp]: Trace formula consists of 772 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-12 13:00:39,290 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 13:00:39,326 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 [2024-11-12 13:00:39,626 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-11-12 13:00:39,649 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 13:00:39,649 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 13:00:39,875 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 13:00:39,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1658956019] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 13:00:39,876 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 13:00:39,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 5] total 13 [2024-11-12 13:00:39,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474157991] [2024-11-12 13:00:39,877 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 13:00:39,878 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-12 13:00:39,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 13:00:39,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-12 13:00:39,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2024-11-12 13:00:39,880 INFO L87 Difference]: Start difference. First operand 370 states and 490 transitions. Second operand has 13 states, 13 states have (on average 25.307692307692307) internal successors, (329), 12 states have internal predecessors, (329), 4 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-12 13:00:40,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 13:00:40,568 INFO L93 Difference]: Finished difference Result 1094 states and 1466 transitions. [2024-11-12 13:00:40,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-12 13:00:40,569 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 25.307692307692307) internal successors, (329), 12 states have internal predecessors, (329), 4 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 167 [2024-11-12 13:00:40,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 13:00:40,575 INFO L225 Difference]: With dead ends: 1094 [2024-11-12 13:00:40,575 INFO L226 Difference]: Without dead ends: 1094 [2024-11-12 13:00:40,576 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 348 GetRequests, 330 SyntacticMatches, 3 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-12 13:00:40,576 INFO L435 NwaCegarLoop]: 527 mSDtfsCounter, 1348 mSDsluCounter, 3613 mSDsCounter, 0 mSdLazyCounter, 367 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1366 SdHoareTripleChecker+Valid, 4140 SdHoareTripleChecker+Invalid, 412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 367 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-12 13:00:40,577 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1366 Valid, 4140 Invalid, 412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 367 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-12 13:00:40,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1094 states. [2024-11-12 13:00:40,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1094 to 705. [2024-11-12 13:00:40,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 705 states, 687 states have (on average 1.3231441048034935) internal successors, (909), 694 states have internal predecessors, (909), 13 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-12 13:00:40,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 705 states and 933 transitions. [2024-11-12 13:00:40,599 INFO L78 Accepts]: Start accepts. Automaton has 705 states and 933 transitions. Word has length 167 [2024-11-12 13:00:40,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 13:00:40,600 INFO L471 AbstractCegarLoop]: Abstraction has 705 states and 933 transitions. [2024-11-12 13:00:40,600 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 25.307692307692307) internal successors, (329), 12 states have internal predecessors, (329), 4 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-12 13:00:40,600 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 933 transitions. [2024-11-12 13:00:40,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 396 [2024-11-12 13:00:40,605 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 13:00:40,605 INFO L218 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 13:00:40,627 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-12 13:00:40,806 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-12 13:00:40,807 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-12 13:00:40,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 13:00:40,808 INFO L85 PathProgramCache]: Analyzing trace with hash -1402764315, now seen corresponding path program 1 times [2024-11-12 13:00:40,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 13:00:40,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588599795] [2024-11-12 13:00:40,808 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 13:00:40,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 13:00:41,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 13:00:44,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 13:00:44,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 13:00:44,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 13:00:44,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 13:00:44,745 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 458 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 13:00:44,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 13:00:44,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588599795] [2024-11-12 13:00:44,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588599795] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 13:00:44,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [354372739] [2024-11-12 13:00:44,746 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 13:00:44,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 13:00:44,746 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 13:00:44,749 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 13:00:44,751 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-12 13:00:45,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 13:00:45,508 INFO L256 TraceCheckSpWp]: Trace formula consists of 1903 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-12 13:00:45,524 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 13:00:45,529 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 [2024-11-12 13:00:45,764 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-11-12 13:00:45,892 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-11-12 13:00:46,020 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-11-12 13:00:46,147 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-11-12 13:00:46,166 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 458 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 13:00:46,168 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 13:00:46,773 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 458 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 13:00:46,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [354372739] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 13:00:46,773 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 13:00:46,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 9, 8] total 25 [2024-11-12 13:00:46,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663239652] [2024-11-12 13:00:46,774 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 13:00:46,775 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-12 13:00:46,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 13:00:46,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-12 13:00:46,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=184, Invalid=416, Unknown=0, NotChecked=0, Total=600 [2024-11-12 13:00:46,779 INFO L87 Difference]: Start difference. First operand 705 states and 933 transitions. Second operand has 25 states, 25 states have (on average 40.52) internal successors, (1013), 24 states have internal predecessors, (1013), 4 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-12 13:00:48,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 13:00:48,425 INFO L93 Difference]: Finished difference Result 2285 states and 3074 transitions. [2024-11-12 13:00:48,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-12 13:00:48,426 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 40.52) internal successors, (1013), 24 states have internal predecessors, (1013), 4 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 395 [2024-11-12 13:00:48,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 13:00:48,435 INFO L225 Difference]: With dead ends: 2285 [2024-11-12 13:00:48,435 INFO L226 Difference]: Without dead ends: 2285 [2024-11-12 13:00:48,436 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 819 GetRequests, 783 SyntacticMatches, 3 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 392 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=324, Invalid=866, Unknown=0, NotChecked=0, Total=1190 [2024-11-12 13:00:48,437 INFO L435 NwaCegarLoop]: 1383 mSDtfsCounter, 4094 mSDsluCounter, 10660 mSDsCounter, 0 mSdLazyCounter, 1022 mSolverCounterSat, 121 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4139 SdHoareTripleChecker+Valid, 12043 SdHoareTripleChecker+Invalid, 1143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 121 IncrementalHoareTripleChecker+Valid, 1022 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-12 13:00:48,437 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4139 Valid, 12043 Invalid, 1143 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [121 Valid, 1022 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-12 13:00:48,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2285 states. [2024-11-12 13:00:48,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2285 to 1533. [2024-11-12 13:00:48,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1533 states, 1509 states have (on average 1.3220675944333995) internal successors, (1995), 1516 states have internal predecessors, (1995), 19 states have call successors, (19), 4 states have call predecessors, (19), 3 states have return successors, (17), 13 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-12 13:00:48,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1533 states to 1533 states and 2031 transitions. [2024-11-12 13:00:48,478 INFO L78 Accepts]: Start accepts. Automaton has 1533 states and 2031 transitions. Word has length 395 [2024-11-12 13:00:48,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 13:00:48,479 INFO L471 AbstractCegarLoop]: Abstraction has 1533 states and 2031 transitions. [2024-11-12 13:00:48,479 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 40.52) internal successors, (1013), 24 states have internal predecessors, (1013), 4 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-12 13:00:48,480 INFO L276 IsEmpty]: Start isEmpty. Operand 1533 states and 2031 transitions. [2024-11-12 13:00:48,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 852 [2024-11-12 13:00:48,497 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 13:00:48,499 INFO L218 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 13:00:48,523 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-12 13:00:48,699 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-12 13:00:48,700 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-12 13:00:48,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 13:00:48,701 INFO L85 PathProgramCache]: Analyzing trace with hash 1715691891, now seen corresponding path program 2 times [2024-11-12 13:00:48,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 13:00:48,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406190497] [2024-11-12 13:00:48,701 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 13:00:48,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms