./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 023d838f 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_FNV_test1-1.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 72c3cbe0b435a963730c7c79c0d825f3c978c53ad7cc61822ef9417e2e6ee67f --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 14:50:43,999 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 14:50:44,095 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2024-11-10 14:50:44,099 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 14:50:44,100 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 14:50:44,124 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 14:50:44,125 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 14:50:44,127 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 14:50:44,127 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 14:50:44,128 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 14:50:44,129 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 14:50:44,129 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 14:50:44,130 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 14:50:44,130 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 14:50:44,132 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 14:50:44,132 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 14:50:44,132 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 14:50:44,133 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 14:50:44,133 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 14:50:44,136 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 14:50:44,137 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 14:50:44,137 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 14:50:44,137 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-10 14:50:44,138 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-10 14:50:44,138 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 14:50:44,138 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 14:50:44,139 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-10 14:50:44,139 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 14:50:44,139 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 14:50:44,139 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 14:50:44,140 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 14:50:44,140 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 14:50:44,140 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 14:50:44,140 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 14:50:44,140 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 14:50:44,141 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 14:50:44,141 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:50:44,141 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 14:50:44,142 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 14:50:44,142 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 14:50:44,142 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 14:50:44,143 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 14:50:44,143 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 14:50:44,143 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 14:50:44,144 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 14:50:44,144 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 72c3cbe0b435a963730c7c79c0d825f3c978c53ad7cc61822ef9417e2e6ee67f [2024-11-10 14:50:44,378 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 14:50:44,403 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 14:50:44,406 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 14:50:44,407 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 14:50:44,408 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 14:50:44,410 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-1.i [2024-11-10 14:50:45,880 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 14:50:46,152 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 14:50:46,156 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test1-1.i [2024-11-10 14:50:46,175 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7874e81af/4ae9bd31e6574d34937be70e89708def/FLAGecf38a46e [2024-11-10 14:50:46,190 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7874e81af/4ae9bd31e6574d34937be70e89708def [2024-11-10 14:50:46,195 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 14:50:46,196 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 14:50:46,198 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 14:50:46,199 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 14:50:46,205 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 14:50:46,206 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:50:46" (1/1) ... [2024-11-10 14:50:46,207 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46e87fa0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:50:46, skipping insertion in model container [2024-11-10 14:50:46,207 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:50:46" (1/1) ... [2024-11-10 14:50:46,266 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 14:50:46,691 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 14:50:46,734 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 14:50:46,738 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 14:50:46,745 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 14:50:46,756 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 14:50:46,776 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 14:50:46,785 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:50:46,803 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 14:50:46,879 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:50:46,913 INFO L204 MainTranslator]: Completed translation [2024-11-10 14:50:46,914 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:50:46 WrapperNode [2024-11-10 14:50:46,914 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 14:50:46,915 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 14:50:46,915 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 14:50:46,915 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 14:50:46,922 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:50:46" (1/1) ... [2024-11-10 14:50:46,948 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:50:46" (1/1) ... [2024-11-10 14:50:46,999 INFO L138 Inliner]: procedures = 176, calls = 180, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 825 [2024-11-10 14:50:47,000 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 14:50:47,001 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 14:50:47,001 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 14:50:47,001 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 14:50:47,015 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:50:46" (1/1) ... [2024-11-10 14:50:47,015 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:50:46" (1/1) ... [2024-11-10 14:50:47,026 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:50:46" (1/1) ... [2024-11-10 14:50:47,123 INFO L175 MemorySlicer]: Split 158 memory accesses to 2 slices as follows [2, 156]. 99 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 42 writes are split as follows [0, 42]. [2024-11-10 14:50:47,123 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:50:46" (1/1) ... [2024-11-10 14:50:47,124 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:50:46" (1/1) ... [2024-11-10 14:50:47,156 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:50:46" (1/1) ... [2024-11-10 14:50:47,158 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:50:46" (1/1) ... [2024-11-10 14:50:47,164 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:50:46" (1/1) ... [2024-11-10 14:50:47,171 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:50:46" (1/1) ... [2024-11-10 14:50:47,184 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 14:50:47,185 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 14:50:47,186 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 14:50:47,187 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 14:50:47,188 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:50:46" (1/1) ... [2024-11-10 14:50:47,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:50:47,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:50:47,236 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) [2024-11-10 14:50:47,241 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 [2024-11-10 14:50:47,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-10 14:50:47,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-10 14:50:47,294 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-10 14:50:47,294 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-10 14:50:47,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-10 14:50:47,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-10 14:50:47,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-10 14:50:47,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-10 14:50:47,295 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-10 14:50:47,295 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-10 14:50:47,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-10 14:50:47,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 14:50:47,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-10 14:50:47,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-10 14:50:47,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-10 14:50:47,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-10 14:50:47,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-10 14:50:47,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 14:50:47,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-10 14:50:47,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 14:50:47,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 14:50:47,495 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 14:50:47,498 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 14:50:48,555 INFO L? ?]: Removed 210 outVars from TransFormulas that were not future-live. [2024-11-10 14:50:48,556 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 14:50:48,602 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 14:50:48,603 INFO L336 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-10 14:50:48,603 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:50:48 BoogieIcfgContainer [2024-11-10 14:50:48,603 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 14:50:48,605 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 14:50:48,605 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 14:50:48,609 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 14:50:48,609 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 02:50:46" (1/3) ... [2024-11-10 14:50:48,610 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ab6ddfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:50:48, skipping insertion in model container [2024-11-10 14:50:48,610 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:50:46" (2/3) ... [2024-11-10 14:50:48,610 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ab6ddfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:50:48, skipping insertion in model container [2024-11-10 14:50:48,612 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:50:48" (3/3) ... [2024-11-10 14:50:48,613 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test1-1.i [2024-11-10 14:50:48,631 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 14:50:48,631 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-10 14:50:48,690 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 14:50:48,697 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;@e53283d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 14:50:48,698 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-10 14:50:48,704 INFO L276 IsEmpty]: Start isEmpty. Operand has 243 states, 225 states have (on average 1.6044444444444443) internal successors, (361), 237 states have internal predecessors, (361), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-10 14:50:48,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-10 14:50:48,711 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 14:50:48,711 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:50:48,712 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-10 14:50:48,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:50:48,716 INFO L85 PathProgramCache]: Analyzing trace with hash 1480340899, now seen corresponding path program 1 times [2024-11-10 14:50:48,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:50:48,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3616930] [2024-11-10 14:50:48,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:50:48,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:50:48,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:50:48,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:50:48,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:50:48,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3616930] [2024-11-10 14:50:48,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3616930] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:50:48,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:50:48,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:50:48,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342596872] [2024-11-10 14:50:48,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:50:48,877 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 14:50:48,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:50:48,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 14:50:48,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 14:50:48,906 INFO L87 Difference]: Start difference. First operand has 243 states, 225 states have (on average 1.6044444444444443) internal successors, (361), 237 states have internal predecessors, (361), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:50:48,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 14:50:48,978 INFO L93 Difference]: Finished difference Result 242 states and 349 transitions. [2024-11-10 14:50:48,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 14:50:48,982 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-10 14:50:48,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 14:50:48,991 INFO L225 Difference]: With dead ends: 242 [2024-11-10 14:50:48,991 INFO L226 Difference]: Without dead ends: 239 [2024-11-10 14:50:48,993 INFO L431 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 [2024-11-10 14:50:48,997 INFO L432 NwaCegarLoop]: 327 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 14:50:48,998 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 327 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 14:50:49,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2024-11-10 14:50:49,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 239. [2024-11-10 14:50:49,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 222 states have (on average 1.4414414414414414) internal successors, (320), 233 states have internal predecessors, (320), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-10 14:50:49,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 346 transitions. [2024-11-10 14:50:49,044 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 346 transitions. Word has length 8 [2024-11-10 14:50:49,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 14:50:49,045 INFO L471 AbstractCegarLoop]: Abstraction has 239 states and 346 transitions. [2024-11-10 14:50:49,045 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:50:49,045 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 346 transitions. [2024-11-10 14:50:49,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-10 14:50:49,046 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 14:50:49,046 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:50:49,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 14:50:49,047 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-10 14:50:49,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:50:49,048 INFO L85 PathProgramCache]: Analyzing trace with hash -2095232612, now seen corresponding path program 1 times [2024-11-10 14:50:49,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:50:49,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650256334] [2024-11-10 14:50:49,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:50:49,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:50:49,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:50:49,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:50:49,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:50:49,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650256334] [2024-11-10 14:50:49,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650256334] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:50:49,118 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:50:49,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 14:50:49,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038366610] [2024-11-10 14:50:49,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:50:49,119 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:50:49,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:50:49,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:50:49,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:50:49,121 INFO L87 Difference]: Start difference. First operand 239 states and 346 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:50:49,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 14:50:49,248 INFO L93 Difference]: Finished difference Result 436 states and 630 transitions. [2024-11-10 14:50:49,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:50:49,250 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-11-10 14:50:49,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 14:50:49,253 INFO L225 Difference]: With dead ends: 436 [2024-11-10 14:50:49,256 INFO L226 Difference]: Without dead ends: 436 [2024-11-10 14:50:49,256 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:50:49,258 INFO L432 NwaCegarLoop]: 362 mSDtfsCounter, 276 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 279 SdHoareTripleChecker+Valid, 681 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 14:50:49,259 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [279 Valid, 681 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 14:50:49,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2024-11-10 14:50:49,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 241. [2024-11-10 14:50:49,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 224 states have (on average 1.4375) internal successors, (322), 235 states have internal predecessors, (322), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-10 14:50:49,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 348 transitions. [2024-11-10 14:50:49,295 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 348 transitions. Word has length 10 [2024-11-10 14:50:49,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 14:50:49,295 INFO L471 AbstractCegarLoop]: Abstraction has 241 states and 348 transitions. [2024-11-10 14:50:49,295 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:50:49,295 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 348 transitions. [2024-11-10 14:50:49,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-10 14:50:49,299 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 14:50:49,299 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:50:49,299 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 14:50:49,299 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-10 14:50:49,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:50:49,300 INFO L85 PathProgramCache]: Analyzing trace with hash 1243836391, now seen corresponding path program 1 times [2024-11-10 14:50:49,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:50:49,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109986088] [2024-11-10 14:50:49,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:50:49,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:50:49,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:50:49,755 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:50:49,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:50:49,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109986088] [2024-11-10 14:50:49,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1109986088] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:50:49,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:50:49,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 14:50:49,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770832199] [2024-11-10 14:50:49,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:50:49,759 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 14:50:49,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:50:49,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 14:50:49,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 14:50:49,761 INFO L87 Difference]: Start difference. First operand 241 states and 348 transitions. Second operand has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 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) [2024-11-10 14:50:49,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 14:50:49,897 INFO L93 Difference]: Finished difference Result 244 states and 344 transitions. [2024-11-10 14:50:49,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 14:50:49,898 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 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 87 [2024-11-10 14:50:49,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 14:50:49,900 INFO L225 Difference]: With dead ends: 244 [2024-11-10 14:50:49,900 INFO L226 Difference]: Without dead ends: 244 [2024-11-10 14:50:49,900 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 14:50:49,901 INFO L432 NwaCegarLoop]: 296 mSDtfsCounter, 105 mSDsluCounter, 507 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 803 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 14:50:49,902 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 803 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 14:50:49,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2024-11-10 14:50:49,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 241. [2024-11-10 14:50:49,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 224 states have (on average 1.40625) internal successors, (315), 235 states have internal predecessors, (315), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-10 14:50:49,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 341 transitions. [2024-11-10 14:50:49,918 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 341 transitions. Word has length 87 [2024-11-10 14:50:49,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 14:50:49,918 INFO L471 AbstractCegarLoop]: Abstraction has 241 states and 341 transitions. [2024-11-10 14:50:49,918 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 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) [2024-11-10 14:50:49,918 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 341 transitions. [2024-11-10 14:50:49,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-10 14:50:49,923 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 14:50:49,923 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:50:49,924 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 14:50:49,924 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-10 14:50:49,924 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:50:49,924 INFO L85 PathProgramCache]: Analyzing trace with hash 912997486, now seen corresponding path program 1 times [2024-11-10 14:50:49,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:50:49,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050704989] [2024-11-10 14:50:49,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:50:49,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:50:49,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:50:50,146 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:50:50,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:50:50,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050704989] [2024-11-10 14:50:50,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050704989] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:50:50,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:50:50,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 14:50:50,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356862821] [2024-11-10 14:50:50,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:50:50,148 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:50:50,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:50:50,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:50:50,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:50:50,150 INFO L87 Difference]: Start difference. First operand 241 states and 341 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 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) [2024-11-10 14:50:50,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 14:50:50,248 INFO L93 Difference]: Finished difference Result 371 states and 530 transitions. [2024-11-10 14:50:50,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:50:50,250 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 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 87 [2024-11-10 14:50:50,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 14:50:50,252 INFO L225 Difference]: With dead ends: 371 [2024-11-10 14:50:50,252 INFO L226 Difference]: Without dead ends: 371 [2024-11-10 14:50:50,252 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:50:50,255 INFO L432 NwaCegarLoop]: 316 mSDtfsCounter, 134 mSDsluCounter, 308 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 624 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 14:50:50,256 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 624 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 14:50:50,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2024-11-10 14:50:50,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 371. [2024-11-10 14:50:50,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 371 states, 354 states have (on average 1.423728813559322) internal successors, (504), 365 states have internal predecessors, (504), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-10 14:50:50,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 530 transitions. [2024-11-10 14:50:50,278 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 530 transitions. Word has length 87 [2024-11-10 14:50:50,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 14:50:50,279 INFO L471 AbstractCegarLoop]: Abstraction has 371 states and 530 transitions. [2024-11-10 14:50:50,279 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 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) [2024-11-10 14:50:50,279 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 530 transitions. [2024-11-10 14:50:50,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-10 14:50:50,284 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 14:50:50,284 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:50:50,284 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 14:50:50,284 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-10 14:50:50,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:50:50,285 INFO L85 PathProgramCache]: Analyzing trace with hash 1463149802, now seen corresponding path program 1 times [2024-11-10 14:50:50,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:50:50,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995082434] [2024-11-10 14:50:50,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:50:50,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:50:50,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:50:50,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 14:50:50,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:50:50,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 14:50:50,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:50:50,621 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 14:50:50,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:50:50,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995082434] [2024-11-10 14:50:50,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995082434] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:50:50,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:50:50,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 14:50:50,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587746297] [2024-11-10 14:50:50,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:50:50,624 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 14:50:50,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:50:50,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 14:50:50,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 14:50:50,626 INFO L87 Difference]: Start difference. First operand 371 states and 530 transitions. Second operand has 4 states, 4 states have (on average 23.75) internal successors, (95), 3 states have internal predecessors, (95), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 14:50:50,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 14:50:50,952 INFO L93 Difference]: Finished difference Result 386 states and 548 transitions. [2024-11-10 14:50:50,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 14:50:50,953 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 3 states have internal predecessors, (95), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 102 [2024-11-10 14:50:50,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 14:50:50,958 INFO L225 Difference]: With dead ends: 386 [2024-11-10 14:50:50,960 INFO L226 Difference]: Without dead ends: 386 [2024-11-10 14:50:50,960 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 14:50:50,962 INFO L432 NwaCegarLoop]: 304 mSDtfsCounter, 9 mSDsluCounter, 511 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 815 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 14:50:50,966 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 815 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 14:50:50,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2024-11-10 14:50:50,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 383. [2024-11-10 14:50:50,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 366 states have (on average 1.4098360655737705) internal successors, (516), 377 states have internal predecessors, (516), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-10 14:50:50,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 542 transitions. [2024-11-10 14:50:50,983 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 542 transitions. Word has length 102 [2024-11-10 14:50:50,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 14:50:50,983 INFO L471 AbstractCegarLoop]: Abstraction has 383 states and 542 transitions. [2024-11-10 14:50:50,984 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 3 states have internal predecessors, (95), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 14:50:50,985 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 542 transitions. [2024-11-10 14:50:50,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-10 14:50:50,987 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 14:50:50,987 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:50:50,987 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 14:50:50,989 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-10 14:50:50,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:50:50,990 INFO L85 PathProgramCache]: Analyzing trace with hash 508920907, now seen corresponding path program 1 times [2024-11-10 14:50:50,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:50:50,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449359993] [2024-11-10 14:50:50,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:50:50,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:50:51,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:50:51,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 14:50:51,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:50:51,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 14:50:51,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:50:51,250 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 14:50:51,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:50:51,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449359993] [2024-11-10 14:50:51,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449359993] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 14:50:51,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [606264883] [2024-11-10 14:50:51,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:50:51,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:50:51,251 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:50:51,253 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) [2024-11-10 14:50:51,255 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-10 14:50:51,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:50:51,514 INFO L255 TraceCheckSpWp]: Trace formula consists of 549 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 14:50:51,522 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 14:50:51,699 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 14:50:51,700 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 14:50:51,852 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 14:50:51,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [606264883] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 14:50:51,852 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 14:50:51,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 8 [2024-11-10 14:50:51,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094432479] [2024-11-10 14:50:51,853 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 14:50:51,853 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 14:50:51,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:50:51,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 14:50:51,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-10 14:50:51,857 INFO L87 Difference]: Start difference. First operand 383 states and 542 transitions. Second operand has 8 states, 8 states have (on average 33.0) internal successors, (264), 7 states have internal predecessors, (264), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-10 14:50:52,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 14:50:52,320 INFO L93 Difference]: Finished difference Result 857 states and 1208 transitions. [2024-11-10 14:50:52,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 14:50:52,323 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 33.0) internal successors, (264), 7 states have internal predecessors, (264), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 102 [2024-11-10 14:50:52,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 14:50:52,329 INFO L225 Difference]: With dead ends: 857 [2024-11-10 14:50:52,329 INFO L226 Difference]: Without dead ends: 857 [2024-11-10 14:50:52,330 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-10 14:50:52,330 INFO L432 NwaCegarLoop]: 348 mSDtfsCounter, 1629 mSDsluCounter, 1054 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1645 SdHoareTripleChecker+Valid, 1402 SdHoareTripleChecker+Invalid, 268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 14:50:52,331 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1645 Valid, 1402 Invalid, 268 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 14:50:52,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 857 states. [2024-11-10 14:50:52,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 857 to 854. [2024-11-10 14:50:52,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 854 states, 828 states have (on average 1.3876811594202898) internal successors, (1149), 839 states have internal predecessors, (1149), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 13 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-10 14:50:52,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 854 states to 854 states and 1193 transitions. [2024-11-10 14:50:52,356 INFO L78 Accepts]: Start accepts. Automaton has 854 states and 1193 transitions. Word has length 102 [2024-11-10 14:50:52,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 14:50:52,357 INFO L471 AbstractCegarLoop]: Abstraction has 854 states and 1193 transitions. [2024-11-10 14:50:52,357 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 33.0) internal successors, (264), 7 states have internal predecessors, (264), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-10 14:50:52,357 INFO L276 IsEmpty]: Start isEmpty. Operand 854 states and 1193 transitions. [2024-11-10 14:50:52,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2024-11-10 14:50:52,363 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 14:50:52,363 INFO L215 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:50:52,383 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-10 14:50:52,564 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,SelfDestructingSolverStorable5 [2024-11-10 14:50:52,564 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-10 14:50:52,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:50:52,565 INFO L85 PathProgramCache]: Analyzing trace with hash 252544510, now seen corresponding path program 1 times [2024-11-10 14:50:52,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:50:52,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037490889] [2024-11-10 14:50:52,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:50:52,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:50:52,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:50:53,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 14:50:53,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:50:53,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 14:50:53,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:50:53,566 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 8 proven. 335 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2024-11-10 14:50:53,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:50:53,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037490889] [2024-11-10 14:50:53,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037490889] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 14:50:53,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [214863924] [2024-11-10 14:50:53,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:50:53,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:50:53,567 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:50:53,569 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) [2024-11-10 14:50:53,570 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-10 14:50:54,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:50:54,146 INFO L255 TraceCheckSpWp]: Trace formula consists of 1650 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 14:50:54,154 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 14:50:54,564 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 0 proven. 464 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 14:50:54,564 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 14:50:55,027 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 0 proven. 464 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 14:50:55,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [214863924] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 14:50:55,028 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 14:50:55,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 17 [2024-11-10 14:50:55,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668316338] [2024-11-10 14:50:55,028 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 14:50:55,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-10 14:50:55,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:50:55,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-10 14:50:55,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=196, Unknown=0, NotChecked=0, Total=272 [2024-11-10 14:50:55,033 INFO L87 Difference]: Start difference. First operand 854 states and 1193 transitions. Second operand has 17 states, 17 states have (on average 50.8235294117647) internal successors, (864), 16 states have internal predecessors, (864), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-10 14:50:57,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 14:50:57,108 INFO L93 Difference]: Finished difference Result 2018 states and 2842 transitions. [2024-11-10 14:50:57,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-10 14:50:57,109 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 50.8235294117647) internal successors, (864), 16 states have internal predecessors, (864), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 333 [2024-11-10 14:50:57,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 14:50:57,119 INFO L225 Difference]: With dead ends: 2018 [2024-11-10 14:50:57,119 INFO L226 Difference]: Without dead ends: 2018 [2024-11-10 14:50:57,120 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 699 GetRequests, 669 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=316, Invalid=676, Unknown=0, NotChecked=0, Total=992 [2024-11-10 14:50:57,121 INFO L432 NwaCegarLoop]: 477 mSDtfsCounter, 11042 mSDsluCounter, 2843 mSDsCounter, 0 mSdLazyCounter, 939 mSolverCounterSat, 143 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11042 SdHoareTripleChecker+Valid, 3320 SdHoareTripleChecker+Invalid, 1082 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 143 IncrementalHoareTripleChecker+Valid, 939 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-10 14:50:57,121 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11042 Valid, 3320 Invalid, 1082 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [143 Valid, 939 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-10 14:50:57,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2018 states. [2024-11-10 14:50:57,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2018 to 1993. [2024-11-10 14:50:57,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1993 states, 1967 states have (on average 1.3934926283680733) internal successors, (2741), 1978 states have internal predecessors, (2741), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 13 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-10 14:50:57,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1993 states to 1993 states and 2785 transitions. [2024-11-10 14:50:57,162 INFO L78 Accepts]: Start accepts. Automaton has 1993 states and 2785 transitions. Word has length 333 [2024-11-10 14:50:57,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 14:50:57,163 INFO L471 AbstractCegarLoop]: Abstraction has 1993 states and 2785 transitions. [2024-11-10 14:50:57,164 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 50.8235294117647) internal successors, (864), 16 states have internal predecessors, (864), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-10 14:50:57,164 INFO L276 IsEmpty]: Start isEmpty. Operand 1993 states and 2785 transitions. [2024-11-10 14:50:57,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 799 [2024-11-10 14:50:57,181 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 14:50:57,181 INFO L215 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:50:57,202 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-10 14:50:57,385 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,SelfDestructingSolverStorable6 [2024-11-10 14:50:57,386 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, __VERIFIER_assertErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-10 14:50:57,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:50:57,387 INFO L85 PathProgramCache]: Analyzing trace with hash 1536871630, now seen corresponding path program 1 times [2024-11-10 14:50:57,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:50:57,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029874715] [2024-11-10 14:50:57,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:50:57,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms