./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test4-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 3289d67d 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_SFH_nondet_test4-1.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 ee90c95792b81649f087e170ece38fbab8d5281ca8435570782565b7b775a87f --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 00:11:53,486 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 00:11:53,559 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2024-11-17 00:11:53,564 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 00:11:53,566 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 00:11:53,596 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 00:11:53,597 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 00:11:53,597 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 00:11:53,598 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 00:11:53,599 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 00:11:53,601 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 00:11:53,601 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 00:11:53,602 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 00:11:53,602 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 00:11:53,602 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 00:11:53,602 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 00:11:53,603 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 00:11:53,603 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 00:11:53,607 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 00:11:53,608 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 00:11:53,608 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 00:11:53,608 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 00:11:53,609 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-17 00:11:53,609 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-17 00:11:53,609 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 00:11:53,610 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 00:11:53,610 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-17 00:11:53,610 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 00:11:53,610 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 00:11:53,611 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 00:11:53,611 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 00:11:53,611 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 00:11:53,612 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 00:11:53,612 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 00:11:53,612 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 00:11:53,612 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 00:11:53,613 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 00:11:53,613 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 00:11:53,613 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 00:11:53,614 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 00:11:53,614 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 00:11:53,615 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 00:11:53,615 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 00:11:53,615 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 00:11:53,615 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 00:11:53,615 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee90c95792b81649f087e170ece38fbab8d5281ca8435570782565b7b775a87f [2024-11-17 00:11:53,897 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 00:11:53,924 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 00:11:53,928 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 00:11:53,929 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 00:11:53,930 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 00:11:53,931 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test4-1.i [2024-11-17 00:11:55,462 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 00:11:55,747 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 00:11:55,747 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test4-1.i [2024-11-17 00:11:55,771 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53127c1d6/0e20d9cb0926470fa532cd02b5785f34/FLAG91c0c886f [2024-11-17 00:11:55,784 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53127c1d6/0e20d9cb0926470fa532cd02b5785f34 [2024-11-17 00:11:55,787 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 00:11:55,788 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 00:11:55,789 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 00:11:55,789 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 00:11:55,795 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 00:11:55,795 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 12:11:55" (1/1) ... [2024-11-17 00:11:55,796 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8262e97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:11:55, skipping insertion in model container [2024-11-17 00:11:55,796 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 12:11:55" (1/1) ... [2024-11-17 00:11:55,852 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 00:11:56,247 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:11:56,289 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:11:56,296 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:11:56,301 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:11:56,315 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:11:56,357 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:11:56,363 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:11:56,367 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:11:56,376 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:11:56,387 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-17 00:11:56,399 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 00:11:56,411 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 00:11:56,631 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 00:11:56,675 INFO L204 MainTranslator]: Completed translation [2024-11-17 00:11:56,675 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:11:56 WrapperNode [2024-11-17 00:11:56,676 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 00:11:56,677 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 00:11:56,677 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 00:11:56,677 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 00:11:56,682 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:11:56" (1/1) ... [2024-11-17 00:11:56,717 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:11:56" (1/1) ... [2024-11-17 00:11:56,802 INFO L138 Inliner]: procedures = 176, calls = 326, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1517 [2024-11-17 00:11:56,803 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 00:11:56,803 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 00:11:56,804 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 00:11:56,804 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 00:11:56,816 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:11:56" (1/1) ... [2024-11-17 00:11:56,817 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:11:56" (1/1) ... [2024-11-17 00:11:56,840 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:11:56" (1/1) ... [2024-11-17 00:11:56,942 INFO L175 MemorySlicer]: Split 309 memory accesses to 2 slices as follows [2, 307]. 99 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 82 writes are split as follows [0, 82]. [2024-11-17 00:11:56,943 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:11:56" (1/1) ... [2024-11-17 00:11:56,943 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:11:56" (1/1) ... [2024-11-17 00:11:56,990 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:11:56" (1/1) ... [2024-11-17 00:11:56,996 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:11:56" (1/1) ... [2024-11-17 00:11:57,005 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:11:56" (1/1) ... [2024-11-17 00:11:57,014 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:11:56" (1/1) ... [2024-11-17 00:11:57,027 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 00:11:57,028 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 00:11:57,029 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 00:11:57,029 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 00:11:57,030 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:11:56" (1/1) ... [2024-11-17 00:11:57,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 00:11:57,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 00:11:57,079 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) [2024-11-17 00:11:57,083 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 [2024-11-17 00:11:57,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-17 00:11:57,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-17 00:11:57,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-17 00:11:57,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-17 00:11:57,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-17 00:11:57,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-17 00:11:57,141 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-17 00:11:57,141 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-17 00:11:57,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-17 00:11:57,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 00:11:57,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-17 00:11:57,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-17 00:11:57,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-17 00:11:57,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-17 00:11:57,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-17 00:11:57,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 00:11:57,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-17 00:11:57,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 00:11:57,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 00:11:57,354 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 00:11:57,356 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 00:11:59,017 INFO L? ?]: Removed 379 outVars from TransFormulas that were not future-live. [2024-11-17 00:11:59,017 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 00:11:59,091 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 00:11:59,092 INFO L336 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-17 00:11:59,092 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 12:11:59 BoogieIcfgContainer [2024-11-17 00:11:59,093 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 00:11:59,095 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 00:11:59,095 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 00:11:59,099 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 00:11:59,099 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 12:11:55" (1/3) ... [2024-11-17 00:11:59,100 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@363c9565 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 12:11:59, skipping insertion in model container [2024-11-17 00:11:59,100 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:11:56" (2/3) ... [2024-11-17 00:11:59,100 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@363c9565 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 12:11:59, skipping insertion in model container [2024-11-17 00:11:59,101 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 12:11:59" (3/3) ... [2024-11-17 00:11:59,102 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SFH_nondet_test4-1.i [2024-11-17 00:11:59,119 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 00:11:59,120 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-17 00:11:59,187 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 00:11:59,194 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;@65162fda, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 00:11:59,196 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-17 00:11:59,203 INFO L276 IsEmpty]: Start isEmpty. Operand has 414 states, 404 states have (on average 1.603960396039604) internal successors, (648), 406 states have internal predecessors, (648), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-17 00:11:59,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-17 00:11:59,211 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:11:59,212 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-17 00:11:59,212 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-17 00:11:59,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:11:59,217 INFO L85 PathProgramCache]: Analyzing trace with hash 715672427, now seen corresponding path program 1 times [2024-11-17 00:11:59,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 00:11:59,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137350142] [2024-11-17 00:11:59,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:11:59,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 00:11:59,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:11:59,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 00:11:59,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 00:11:59,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137350142] [2024-11-17 00:11:59,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137350142] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 00:11:59,412 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 00:11:59,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 00:11:59,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751348540] [2024-11-17 00:11:59,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 00:11:59,418 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 00:11:59,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 00:11:59,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 00:11:59,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 00:11:59,461 INFO L87 Difference]: Start difference. First operand has 414 states, 404 states have (on average 1.603960396039604) internal successors, (648), 406 states have internal predecessors, (648), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) [2024-11-17 00:11:59,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:11:59,729 INFO L93 Difference]: Finished difference Result 428 states and 608 transitions. [2024-11-17 00:11:59,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 00:11:59,732 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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 5 [2024-11-17 00:11:59,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:11:59,747 INFO L225 Difference]: With dead ends: 428 [2024-11-17 00:11:59,748 INFO L226 Difference]: Without dead ends: 422 [2024-11-17 00:11:59,749 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 00:11:59,752 INFO L432 NwaCegarLoop]: 543 mSDtfsCounter, 17 mSDsluCounter, 530 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 1073 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 00:11:59,753 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 1073 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 00:11:59,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2024-11-17 00:11:59,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 419. [2024-11-17 00:11:59,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 419 states, 410 states have (on average 1.4292682926829268) internal successors, (586), 411 states have internal predecessors, (586), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-17 00:11:59,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 598 transitions. [2024-11-17 00:11:59,816 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 598 transitions. Word has length 5 [2024-11-17 00:11:59,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:11:59,817 INFO L471 AbstractCegarLoop]: Abstraction has 419 states and 598 transitions. [2024-11-17 00:11:59,817 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) [2024-11-17 00:11:59,817 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 598 transitions. [2024-11-17 00:11:59,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-17 00:11:59,818 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:11:59,818 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 00:11:59,818 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 00:11:59,819 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-17 00:11:59,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:11:59,820 INFO L85 PathProgramCache]: Analyzing trace with hash -1191825280, now seen corresponding path program 1 times [2024-11-17 00:11:59,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 00:11:59,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725565740] [2024-11-17 00:11:59,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:11:59,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 00:11:59,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:12:00,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 00:12:00,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 00:12:00,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725565740] [2024-11-17 00:12:00,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725565740] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 00:12:00,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 00:12:00,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 00:12:00,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708915670] [2024-11-17 00:12:00,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 00:12:00,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 00:12:00,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 00:12:00,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 00:12:00,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 00:12:00,036 INFO L87 Difference]: Start difference. First operand 419 states and 598 transitions. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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) [2024-11-17 00:12:00,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:12:00,514 INFO L93 Difference]: Finished difference Result 737 states and 1066 transitions. [2024-11-17 00:12:00,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 00:12:00,515 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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 13 [2024-11-17 00:12:00,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:12:00,523 INFO L225 Difference]: With dead ends: 737 [2024-11-17 00:12:00,524 INFO L226 Difference]: Without dead ends: 734 [2024-11-17 00:12:00,524 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 00:12:00,525 INFO L432 NwaCegarLoop]: 540 mSDtfsCounter, 469 mSDsluCounter, 1009 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 472 SdHoareTripleChecker+Valid, 1549 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 00:12:00,526 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [472 Valid, 1549 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 00:12:00,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 734 states. [2024-11-17 00:12:00,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 734 to 734. [2024-11-17 00:12:00,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 734 states, 722 states have (on average 1.4473684210526316) internal successors, (1045), 723 states have internal predecessors, (1045), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-17 00:12:00,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 734 states and 1063 transitions. [2024-11-17 00:12:00,570 INFO L78 Accepts]: Start accepts. Automaton has 734 states and 1063 transitions. Word has length 13 [2024-11-17 00:12:00,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:12:00,570 INFO L471 AbstractCegarLoop]: Abstraction has 734 states and 1063 transitions. [2024-11-17 00:12:00,571 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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) [2024-11-17 00:12:00,571 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 1063 transitions. [2024-11-17 00:12:00,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-17 00:12:00,583 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:12:00,583 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 00:12:00,584 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-17 00:12:00,584 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-17 00:12:00,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:12:00,585 INFO L85 PathProgramCache]: Analyzing trace with hash 1871507067, now seen corresponding path program 1 times [2024-11-17 00:12:00,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 00:12:00,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762121186] [2024-11-17 00:12:00,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:12:00,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 00:12:00,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:12:01,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-17 00:12:01,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:12:01,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-17 00:12:01,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:12:01,272 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 00:12:01,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 00:12:01,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762121186] [2024-11-17 00:12:01,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762121186] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 00:12:01,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 00:12:01,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 00:12:01,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279591202] [2024-11-17 00:12:01,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 00:12:01,274 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 00:12:01,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 00:12:01,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 00:12:01,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 00:12:01,276 INFO L87 Difference]: Start difference. First operand 734 states and 1063 transitions. Second operand has 5 states, 5 states have (on average 33.6) internal successors, (168), 4 states have internal predecessors, (168), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 00:12:01,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:12:01,860 INFO L93 Difference]: Finished difference Result 743 states and 1067 transitions. [2024-11-17 00:12:01,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 00:12:01,861 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 33.6) internal successors, (168), 4 states have internal predecessors, (168), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 175 [2024-11-17 00:12:01,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:12:01,868 INFO L225 Difference]: With dead ends: 743 [2024-11-17 00:12:01,868 INFO L226 Difference]: Without dead ends: 743 [2024-11-17 00:12:01,871 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-17 00:12:01,872 INFO L432 NwaCegarLoop]: 513 mSDtfsCounter, 108 mSDsluCounter, 1355 mSDsCounter, 0 mSdLazyCounter, 332 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 1868 SdHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 332 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-17 00:12:01,873 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 1868 Invalid, 354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 332 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-17 00:12:01,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 743 states. [2024-11-17 00:12:01,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 743 to 734. [2024-11-17 00:12:01,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 734 states, 722 states have (on average 1.42797783933518) internal successors, (1031), 723 states have internal predecessors, (1031), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-17 00:12:01,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 734 states and 1049 transitions. [2024-11-17 00:12:01,904 INFO L78 Accepts]: Start accepts. Automaton has 734 states and 1049 transitions. Word has length 175 [2024-11-17 00:12:01,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:12:01,905 INFO L471 AbstractCegarLoop]: Abstraction has 734 states and 1049 transitions. [2024-11-17 00:12:01,905 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 33.6) internal successors, (168), 4 states have internal predecessors, (168), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 00:12:01,905 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 1049 transitions. [2024-11-17 00:12:01,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-17 00:12:01,908 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:12:01,909 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 00:12:01,909 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-17 00:12:01,909 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-17 00:12:01,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:12:01,910 INFO L85 PathProgramCache]: Analyzing trace with hash -811027948, now seen corresponding path program 1 times [2024-11-17 00:12:01,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 00:12:01,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974952466] [2024-11-17 00:12:01,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:12:01,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 00:12:02,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:12:02,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-17 00:12:02,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:12:02,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-17 00:12:02,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:12:02,264 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 00:12:02,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 00:12:02,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974952466] [2024-11-17 00:12:02,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974952466] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 00:12:02,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 00:12:02,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 00:12:02,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660790430] [2024-11-17 00:12:02,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 00:12:02,267 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 00:12:02,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 00:12:02,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 00:12:02,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 00:12:02,270 INFO L87 Difference]: Start difference. First operand 734 states and 1049 transitions. Second operand has 4 states, 4 states have (on average 42.0) internal successors, (168), 3 states have internal predecessors, (168), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 00:12:02,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:12:02,719 INFO L93 Difference]: Finished difference Result 735 states and 1058 transitions. [2024-11-17 00:12:02,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 00:12:02,720 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 42.0) internal successors, (168), 3 states have internal predecessors, (168), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 175 [2024-11-17 00:12:02,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:12:02,724 INFO L225 Difference]: With dead ends: 735 [2024-11-17 00:12:02,724 INFO L226 Difference]: Without dead ends: 735 [2024-11-17 00:12:02,724 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 00:12:02,726 INFO L432 NwaCegarLoop]: 533 mSDtfsCounter, 137 mSDsluCounter, 959 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 1492 SdHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 00:12:02,726 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 1492 Invalid, 242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 00:12:02,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 735 states. [2024-11-17 00:12:02,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 735 to 732. [2024-11-17 00:12:02,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 732 states, 720 states have (on average 1.4277777777777778) internal successors, (1028), 721 states have internal predecessors, (1028), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-17 00:12:02,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 732 states and 1046 transitions. [2024-11-17 00:12:02,746 INFO L78 Accepts]: Start accepts. Automaton has 732 states and 1046 transitions. Word has length 175 [2024-11-17 00:12:02,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:12:02,747 INFO L471 AbstractCegarLoop]: Abstraction has 732 states and 1046 transitions. [2024-11-17 00:12:02,747 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 42.0) internal successors, (168), 3 states have internal predecessors, (168), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 00:12:02,747 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 1046 transitions. [2024-11-17 00:12:02,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-17 00:12:02,750 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:12:02,750 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 00:12:02,750 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-17 00:12:02,750 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-17 00:12:02,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:12:02,751 INFO L85 PathProgramCache]: Analyzing trace with hash 1371109113, now seen corresponding path program 1 times [2024-11-17 00:12:02,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 00:12:02,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773587402] [2024-11-17 00:12:02,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:12:02,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 00:12:02,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:12:03,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-17 00:12:03,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:12:03,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-17 00:12:03,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:12:03,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-17 00:12:03,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:12:03,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-17 00:12:03,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:12:03,121 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 00:12:03,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 00:12:03,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773587402] [2024-11-17 00:12:03,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [773587402] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 00:12:03,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 00:12:03,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 00:12:03,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530168363] [2024-11-17 00:12:03,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 00:12:03,123 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 00:12:03,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 00:12:03,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 00:12:03,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 00:12:03,124 INFO L87 Difference]: Start difference. First operand 732 states and 1046 transitions. Second operand has 5 states, 5 states have (on average 34.6) internal successors, (173), 4 states have internal predecessors, (173), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 00:12:04,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:12:04,449 INFO L93 Difference]: Finished difference Result 741 states and 1050 transitions. [2024-11-17 00:12:04,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 00:12:04,450 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 34.6) internal successors, (173), 4 states have internal predecessors, (173), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 190 [2024-11-17 00:12:04,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:12:04,453 INFO L225 Difference]: With dead ends: 741 [2024-11-17 00:12:04,454 INFO L226 Difference]: Without dead ends: 741 [2024-11-17 00:12:04,454 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-17 00:12:04,455 INFO L432 NwaCegarLoop]: 506 mSDtfsCounter, 108 mSDsluCounter, 1341 mSDsCounter, 0 mSdLazyCounter, 325 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 1847 SdHoareTripleChecker+Invalid, 345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-17 00:12:04,455 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 1847 Invalid, 345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 325 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-17 00:12:04,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2024-11-17 00:12:04,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 732. [2024-11-17 00:12:04,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 732 states, 720 states have (on average 1.4083333333333334) internal successors, (1014), 721 states have internal predecessors, (1014), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-17 00:12:04,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 732 states and 1032 transitions. [2024-11-17 00:12:04,476 INFO L78 Accepts]: Start accepts. Automaton has 732 states and 1032 transitions. Word has length 190 [2024-11-17 00:12:04,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:12:04,481 INFO L471 AbstractCegarLoop]: Abstraction has 732 states and 1032 transitions. [2024-11-17 00:12:04,482 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 34.6) internal successors, (173), 4 states have internal predecessors, (173), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 00:12:04,482 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 1032 transitions. [2024-11-17 00:12:04,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-17 00:12:04,484 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:12:04,484 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 00:12:04,485 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-17 00:12:04,485 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-17 00:12:04,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:12:04,485 INFO L85 PathProgramCache]: Analyzing trace with hash -1622398062, now seen corresponding path program 1 times [2024-11-17 00:12:04,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 00:12:04,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256585473] [2024-11-17 00:12:04,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:12:04,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 00:12:04,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:12:04,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-17 00:12:04,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:12:04,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-17 00:12:04,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:12:04,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-17 00:12:04,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:12:04,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-17 00:12:04,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:12:04,948 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 00:12:04,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 00:12:04,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256585473] [2024-11-17 00:12:04,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256585473] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 00:12:04,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 00:12:04,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 00:12:04,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825875998] [2024-11-17 00:12:04,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 00:12:04,950 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 00:12:04,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 00:12:04,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 00:12:04,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 00:12:04,951 INFO L87 Difference]: Start difference. First operand 732 states and 1032 transitions. Second operand has 5 states, 5 states have (on average 34.6) internal successors, (173), 4 states have internal predecessors, (173), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 00:12:05,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:12:05,910 INFO L93 Difference]: Finished difference Result 744 states and 1053 transitions. [2024-11-17 00:12:05,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 00:12:05,911 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 34.6) internal successors, (173), 4 states have internal predecessors, (173), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 190 [2024-11-17 00:12:05,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:12:05,914 INFO L225 Difference]: With dead ends: 744 [2024-11-17 00:12:05,914 INFO L226 Difference]: Without dead ends: 744 [2024-11-17 00:12:05,915 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-17 00:12:05,915 INFO L432 NwaCegarLoop]: 852 mSDtfsCounter, 920 mSDsluCounter, 1234 mSDsCounter, 0 mSdLazyCounter, 493 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 922 SdHoareTripleChecker+Valid, 2086 SdHoareTripleChecker+Invalid, 506 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 493 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-17 00:12:05,916 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [922 Valid, 2086 Invalid, 506 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 493 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-17 00:12:05,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2024-11-17 00:12:05,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 734. [2024-11-17 00:12:05,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 734 states, 722 states have (on average 1.4058171745152355) internal successors, (1015), 723 states have internal predecessors, (1015), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-17 00:12:05,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 734 states and 1033 transitions. [2024-11-17 00:12:05,932 INFO L78 Accepts]: Start accepts. Automaton has 734 states and 1033 transitions. Word has length 190 [2024-11-17 00:12:05,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:12:05,933 INFO L471 AbstractCegarLoop]: Abstraction has 734 states and 1033 transitions. [2024-11-17 00:12:05,933 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 34.6) internal successors, (173), 4 states have internal predecessors, (173), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 00:12:05,933 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 1033 transitions. [2024-11-17 00:12:05,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-17 00:12:05,935 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:12:05,935 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 00:12:05,935 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-17 00:12:05,936 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-17 00:12:05,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:12:05,936 INFO L85 PathProgramCache]: Analyzing trace with hash 15422295, now seen corresponding path program 1 times [2024-11-17 00:12:05,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 00:12:05,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222297241] [2024-11-17 00:12:05,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:12:05,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 00:12:06,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:12:06,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-17 00:12:06,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:12:06,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-17 00:12:06,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:12:06,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-17 00:12:06,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:12:06,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-17 00:12:06,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:12:06,945 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-17 00:12:06,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 00:12:06,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222297241] [2024-11-17 00:12:06,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222297241] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 00:12:06,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1409217404] [2024-11-17 00:12:06,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:12:06,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 00:12:06,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 00:12:06,949 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) [2024-11-17 00:12:06,951 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-17 00:12:07,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:12:07,549 INFO L255 TraceCheckSpWp]: Trace formula consists of 1029 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-17 00:12:07,563 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 00:12:07,619 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 16 treesize of output 17 [2024-11-17 00:12:08,270 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:12:08,270 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 86 treesize of output 58 [2024-11-17 00:12:08,592 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 00:12:08,592 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 00:12:08,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1409217404] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 00:12:08,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 00:12:08,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [5] total 14 [2024-11-17 00:12:08,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152334812] [2024-11-17 00:12:08,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 00:12:08,594 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-17 00:12:08,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 00:12:08,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-17 00:12:08,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2024-11-17 00:12:08,596 INFO L87 Difference]: Start difference. First operand 734 states and 1033 transitions. Second operand has 11 states, 11 states have (on average 15.909090909090908) internal successors, (175), 11 states have internal predecessors, (175), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 00:12:10,978 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-17 00:12:11,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:12:11,654 INFO L93 Difference]: Finished difference Result 840 states and 1171 transitions. [2024-11-17 00:12:11,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-17 00:12:11,655 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 15.909090909090908) internal successors, (175), 11 states have internal predecessors, (175), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 192 [2024-11-17 00:12:11,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:12:11,659 INFO L225 Difference]: With dead ends: 840 [2024-11-17 00:12:11,659 INFO L226 Difference]: Without dead ends: 840 [2024-11-17 00:12:11,659 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=89, Invalid=373, Unknown=0, NotChecked=0, Total=462 [2024-11-17 00:12:11,661 INFO L432 NwaCegarLoop]: 566 mSDtfsCounter, 829 mSDsluCounter, 2299 mSDsCounter, 0 mSdLazyCounter, 942 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 834 SdHoareTripleChecker+Valid, 2865 SdHoareTripleChecker+Invalid, 948 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 942 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-17 00:12:11,662 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [834 Valid, 2865 Invalid, 948 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 942 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-17 00:12:11,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 840 states. [2024-11-17 00:12:11,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 840 to 765. [2024-11-17 00:12:11,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 765 states, 753 states have (on average 1.3984063745019921) internal successors, (1053), 754 states have internal predecessors, (1053), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-17 00:12:11,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 765 states and 1071 transitions. [2024-11-17 00:12:11,681 INFO L78 Accepts]: Start accepts. Automaton has 765 states and 1071 transitions. Word has length 192 [2024-11-17 00:12:11,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:12:11,682 INFO L471 AbstractCegarLoop]: Abstraction has 765 states and 1071 transitions. [2024-11-17 00:12:11,682 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 15.909090909090908) internal successors, (175), 11 states have internal predecessors, (175), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 00:12:11,682 INFO L276 IsEmpty]: Start isEmpty. Operand 765 states and 1071 transitions. [2024-11-17 00:12:11,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-17 00:12:11,687 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:12:11,687 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 00:12:11,710 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-17 00:12:11,891 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 00:12:11,894 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-17 00:12:11,894 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:12:11,894 INFO L85 PathProgramCache]: Analyzing trace with hash 264700696, now seen corresponding path program 1 times [2024-11-17 00:12:11,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 00:12:11,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017646794] [2024-11-17 00:12:11,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:12:11,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 00:12:11,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:12:12,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-17 00:12:12,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:12:12,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-17 00:12:12,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:12:12,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-17 00:12:12,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:12:12,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-17 00:12:12,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:12:12,157 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 00:12:12,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 00:12:12,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017646794] [2024-11-17 00:12:12,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017646794] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 00:12:12,158 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 00:12:12,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 00:12:12,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938359194] [2024-11-17 00:12:12,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 00:12:12,159 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 00:12:12,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 00:12:12,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 00:12:12,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 00:12:12,163 INFO L87 Difference]: Start difference. First operand 765 states and 1071 transitions. Second operand has 4 states, 4 states have (on average 43.75) internal successors, (175), 3 states have internal predecessors, (175), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 00:12:12,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:12:12,621 INFO L93 Difference]: Finished difference Result 784 states and 1097 transitions. [2024-11-17 00:12:12,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 00:12:12,622 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 43.75) internal successors, (175), 3 states have internal predecessors, (175), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 192 [2024-11-17 00:12:12,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:12:12,624 INFO L225 Difference]: With dead ends: 784 [2024-11-17 00:12:12,625 INFO L226 Difference]: Without dead ends: 784 [2024-11-17 00:12:12,625 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 00:12:12,626 INFO L432 NwaCegarLoop]: 521 mSDtfsCounter, 5 mSDsluCounter, 930 mSDsCounter, 0 mSdLazyCounter, 255 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 1451 SdHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 00:12:12,627 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 1451 Invalid, 267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 255 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 00:12:12,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 784 states. [2024-11-17 00:12:12,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 784 to 779. [2024-11-17 00:12:12,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 779 states, 767 states have (on average 1.3885267275097783) internal successors, (1065), 768 states have internal predecessors, (1065), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-17 00:12:12,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 779 states and 1083 transitions. [2024-11-17 00:12:12,647 INFO L78 Accepts]: Start accepts. Automaton has 779 states and 1083 transitions. Word has length 192 [2024-11-17 00:12:12,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:12:12,647 INFO L471 AbstractCegarLoop]: Abstraction has 779 states and 1083 transitions. [2024-11-17 00:12:12,647 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 43.75) internal successors, (175), 3 states have internal predecessors, (175), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 00:12:12,647 INFO L276 IsEmpty]: Start isEmpty. Operand 779 states and 1083 transitions. [2024-11-17 00:12:12,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-17 00:12:12,650 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:12:12,650 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 00:12:12,651 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-17 00:12:12,651 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-17 00:12:12,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:12:12,651 INFO L85 PathProgramCache]: Analyzing trace with hash -696924519, now seen corresponding path program 1 times [2024-11-17 00:12:12,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 00:12:12,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592847417] [2024-11-17 00:12:12,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:12:12,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 00:12:12,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:12:12,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-17 00:12:12,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:12:12,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-17 00:12:12,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:12:12,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-17 00:12:12,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:12:12,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-17 00:12:12,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:12:12,898 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 00:12:12,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 00:12:12,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592847417] [2024-11-17 00:12:12,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592847417] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 00:12:12,899 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 00:12:12,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 00:12:12,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916851570] [2024-11-17 00:12:12,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 00:12:12,900 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 00:12:12,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 00:12:12,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 00:12:12,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 00:12:12,902 INFO L87 Difference]: Start difference. First operand 779 states and 1083 transitions. Second operand has 5 states, 5 states have (on average 35.0) internal successors, (175), 4 states have internal predecessors, (175), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 00:12:13,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:12:13,453 INFO L93 Difference]: Finished difference Result 641 states and 884 transitions. [2024-11-17 00:12:13,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 00:12:13,454 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 35.0) internal successors, (175), 4 states have internal predecessors, (175), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 192 [2024-11-17 00:12:13,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:12:13,456 INFO L225 Difference]: With dead ends: 641 [2024-11-17 00:12:13,457 INFO L226 Difference]: Without dead ends: 641 [2024-11-17 00:12:13,457 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-17 00:12:13,460 INFO L432 NwaCegarLoop]: 440 mSDtfsCounter, 12 mSDsluCounter, 1212 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 1652 SdHoareTripleChecker+Invalid, 289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-17 00:12:13,460 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 1652 Invalid, 289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 279 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-17 00:12:13,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 641 states. [2024-11-17 00:12:13,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 641 to 638. [2024-11-17 00:12:13,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 638 states, 626 states have (on average 1.3642172523961662) internal successors, (854), 627 states have internal predecessors, (854), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-17 00:12:13,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 638 states and 872 transitions. [2024-11-17 00:12:13,480 INFO L78 Accepts]: Start accepts. Automaton has 638 states and 872 transitions. Word has length 192 [2024-11-17 00:12:13,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:12:13,480 INFO L471 AbstractCegarLoop]: Abstraction has 638 states and 872 transitions. [2024-11-17 00:12:13,480 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 35.0) internal successors, (175), 4 states have internal predecessors, (175), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 00:12:13,481 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 872 transitions. [2024-11-17 00:12:13,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-17 00:12:13,482 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:12:13,483 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 00:12:13,483 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-17 00:12:13,483 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-17 00:12:13,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:12:13,484 INFO L85 PathProgramCache]: Analyzing trace with hash -980281356, now seen corresponding path program 1 times [2024-11-17 00:12:13,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 00:12:13,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260705272] [2024-11-17 00:12:13,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:12:13,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 00:12:14,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:12:14,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-17 00:12:14,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:12:14,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-17 00:12:14,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:12:14,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-17 00:12:14,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:12:14,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-17 00:12:14,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:12:14,370 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-17 00:12:14,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 00:12:14,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260705272] [2024-11-17 00:12:14,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260705272] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 00:12:14,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1483847715] [2024-11-17 00:12:14,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:12:14,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 00:12:14,372 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 00:12:14,374 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) [2024-11-17 00:12:14,375 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-17 00:12:15,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:12:15,054 INFO L255 TraceCheckSpWp]: Trace formula consists of 1030 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-17 00:12:15,070 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 00:12:15,147 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 00:12:15,148 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 00:12:15,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1483847715] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 00:12:15,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 00:12:15,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2024-11-17 00:12:15,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475381692] [2024-11-17 00:12:15,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 00:12:15,149 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 00:12:15,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 00:12:15,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 00:12:15,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-17 00:12:15,150 INFO L87 Difference]: Start difference. First operand 638 states and 872 transitions. Second operand has 4 states, 4 states have (on average 44.0) internal successors, (176), 4 states have internal predecessors, (176), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 00:12:15,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:12:15,339 INFO L93 Difference]: Finished difference Result 638 states and 870 transitions. [2024-11-17 00:12:15,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 00:12:15,340 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 44.0) internal successors, (176), 4 states have internal predecessors, (176), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 193 [2024-11-17 00:12:15,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:12:15,342 INFO L225 Difference]: With dead ends: 638 [2024-11-17 00:12:15,342 INFO L226 Difference]: Without dead ends: 638 [2024-11-17 00:12:15,343 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-17 00:12:15,343 INFO L432 NwaCegarLoop]: 448 mSDtfsCounter, 13 mSDsluCounter, 783 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 1231 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 00:12:15,345 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 1231 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 00:12:15,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 638 states. [2024-11-17 00:12:15,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 638 to 638. [2024-11-17 00:12:15,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 638 states, 626 states have (on average 1.3610223642172523) internal successors, (852), 627 states have internal predecessors, (852), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-17 00:12:15,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 638 states and 870 transitions. [2024-11-17 00:12:15,361 INFO L78 Accepts]: Start accepts. Automaton has 638 states and 870 transitions. Word has length 193 [2024-11-17 00:12:15,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:12:15,362 INFO L471 AbstractCegarLoop]: Abstraction has 638 states and 870 transitions. [2024-11-17 00:12:15,362 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 44.0) internal successors, (176), 4 states have internal predecessors, (176), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 00:12:15,362 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 870 transitions. [2024-11-17 00:12:15,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-11-17 00:12:15,364 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:12:15,365 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 00:12:15,388 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-17 00:12:15,569 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,SelfDestructingSolverStorable9 [2024-11-17 00:12:15,571 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-17 00:12:15,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:12:15,571 INFO L85 PathProgramCache]: Analyzing trace with hash 510809428, now seen corresponding path program 1 times [2024-11-17 00:12:15,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 00:12:15,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287470489] [2024-11-17 00:12:15,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:12:15,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 00:12:15,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:12:16,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-17 00:12:16,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:12:16,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-17 00:12:16,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:12:16,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-17 00:12:16,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:12:16,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-17 00:12:16,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:12:16,120 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 00:12:16,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 00:12:16,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287470489] [2024-11-17 00:12:16,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287470489] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 00:12:16,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 00:12:16,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-17 00:12:16,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829593149] [2024-11-17 00:12:16,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 00:12:16,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 00:12:16,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 00:12:16,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 00:12:16,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-17 00:12:16,123 INFO L87 Difference]: Start difference. First operand 638 states and 870 transitions. Second operand has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 6 states have internal predecessors, (177), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 00:12:16,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:12:16,755 INFO L93 Difference]: Finished difference Result 647 states and 888 transitions. [2024-11-17 00:12:16,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 00:12:16,756 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 6 states have internal predecessors, (177), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 194 [2024-11-17 00:12:16,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:12:16,759 INFO L225 Difference]: With dead ends: 647 [2024-11-17 00:12:16,759 INFO L226 Difference]: Without dead ends: 647 [2024-11-17 00:12:16,759 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-17 00:12:16,759 INFO L432 NwaCegarLoop]: 446 mSDtfsCounter, 7 mSDsluCounter, 1516 mSDsCounter, 0 mSdLazyCounter, 482 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 1962 SdHoareTripleChecker+Invalid, 489 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 482 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-17 00:12:16,760 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 1962 Invalid, 489 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 482 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-17 00:12:16,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 647 states. [2024-11-17 00:12:16,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 647 to 644. [2024-11-17 00:12:16,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 644 states, 632 states have (on average 1.3575949367088607) internal successors, (858), 633 states have internal predecessors, (858), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-17 00:12:16,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 644 states and 876 transitions. [2024-11-17 00:12:16,772 INFO L78 Accepts]: Start accepts. Automaton has 644 states and 876 transitions. Word has length 194 [2024-11-17 00:12:16,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:12:16,773 INFO L471 AbstractCegarLoop]: Abstraction has 644 states and 876 transitions. [2024-11-17 00:12:16,773 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 6 states have internal predecessors, (177), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 00:12:16,773 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 876 transitions. [2024-11-17 00:12:16,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-17 00:12:16,775 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:12:16,775 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 00:12:16,775 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-17 00:12:16,775 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-17 00:12:16,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:12:16,776 INFO L85 PathProgramCache]: Analyzing trace with hash -116934224, now seen corresponding path program 1 times [2024-11-17 00:12:16,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 00:12:16,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225585845] [2024-11-17 00:12:16,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:12:16,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 00:12:16,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:12:17,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-17 00:12:17,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:12:17,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-17 00:12:17,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:12:17,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-17 00:12:17,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:12:17,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-17 00:12:17,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:12:17,250 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 00:12:17,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 00:12:17,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225585845] [2024-11-17 00:12:17,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225585845] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 00:12:17,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 00:12:17,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-17 00:12:17,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936247864] [2024-11-17 00:12:17,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 00:12:17,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-17 00:12:17,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 00:12:17,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-17 00:12:17,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-17 00:12:17,252 INFO L87 Difference]: Start difference. First operand 644 states and 876 transitions. Second operand has 8 states, 8 states have (on average 22.25) internal successors, (178), 7 states have internal predecessors, (178), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 00:12:18,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:12:18,009 INFO L93 Difference]: Finished difference Result 657 states and 900 transitions. [2024-11-17 00:12:18,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 00:12:18,009 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 22.25) internal successors, (178), 7 states have internal predecessors, (178), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 195 [2024-11-17 00:12:18,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:12:18,012 INFO L225 Difference]: With dead ends: 657 [2024-11-17 00:12:18,012 INFO L226 Difference]: Without dead ends: 657 [2024-11-17 00:12:18,012 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-17 00:12:18,013 INFO L432 NwaCegarLoop]: 438 mSDtfsCounter, 11 mSDsluCounter, 2252 mSDsCounter, 0 mSdLazyCounter, 702 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 2690 SdHoareTripleChecker+Invalid, 709 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 702 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-17 00:12:18,013 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 2690 Invalid, 709 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 702 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-17 00:12:18,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 657 states. [2024-11-17 00:12:18,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 657 to 652. [2024-11-17 00:12:18,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 652 states, 640 states have (on average 1.35625) internal successors, (868), 641 states have internal predecessors, (868), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-17 00:12:18,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 652 states and 886 transitions. [2024-11-17 00:12:18,027 INFO L78 Accepts]: Start accepts. Automaton has 652 states and 886 transitions. Word has length 195 [2024-11-17 00:12:18,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:12:18,027 INFO L471 AbstractCegarLoop]: Abstraction has 652 states and 886 transitions. [2024-11-17 00:12:18,028 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 22.25) internal successors, (178), 7 states have internal predecessors, (178), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 00:12:18,028 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 886 transitions. [2024-11-17 00:12:18,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-17 00:12:18,031 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:12:18,031 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 00:12:18,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-17 00:12:18,032 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-17 00:12:18,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:12:18,032 INFO L85 PathProgramCache]: Analyzing trace with hash 1160594614, now seen corresponding path program 1 times [2024-11-17 00:12:18,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 00:12:18,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300218629] [2024-11-17 00:12:18,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:12:18,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 00:12:18,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:12:18,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-17 00:12:18,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:12:18,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-17 00:12:18,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:12:18,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-17 00:12:18,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:12:18,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-17 00:12:18,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:12:18,828 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-17 00:12:18,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 00:12:18,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300218629] [2024-11-17 00:12:18,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [300218629] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 00:12:18,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [137788971] [2024-11-17 00:12:18,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:12:18,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 00:12:18,829 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 00:12:18,831 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 00:12:18,832 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-17 00:12:19,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:12:19,511 INFO L255 TraceCheckSpWp]: Trace formula consists of 1029 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-17 00:12:19,516 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 00:12:19,586 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-17 00:12:19,587 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 00:12:19,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [137788971] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 00:12:19,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 00:12:19,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-17 00:12:19,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024245725] [2024-11-17 00:12:19,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 00:12:19,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 00:12:19,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 00:12:19,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 00:12:19,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-17 00:12:19,591 INFO L87 Difference]: Start difference. First operand 652 states and 886 transitions. Second operand has 5 states, 5 states have (on average 36.2) internal successors, (181), 5 states have internal predecessors, (181), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 00:12:19,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:12:19,749 INFO L93 Difference]: Finished difference Result 709 states and 965 transitions. [2024-11-17 00:12:19,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 00:12:19,750 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 36.2) internal successors, (181), 5 states have internal predecessors, (181), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 195 [2024-11-17 00:12:19,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:12:19,753 INFO L225 Difference]: With dead ends: 709 [2024-11-17 00:12:19,753 INFO L226 Difference]: Without dead ends: 709 [2024-11-17 00:12:19,753 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-17 00:12:19,754 INFO L432 NwaCegarLoop]: 489 mSDtfsCounter, 447 mSDsluCounter, 1407 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 455 SdHoareTripleChecker+Valid, 1896 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 00:12:19,754 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [455 Valid, 1896 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 00:12:19,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 709 states. [2024-11-17 00:12:19,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 709 to 655. [2024-11-17 00:12:19,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 655 states, 642 states have (on average 1.3566978193146417) internal successors, (871), 644 states have internal predecessors, (871), 9 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (12), 9 states have call predecessors, (12), 9 states have call successors, (12) [2024-11-17 00:12:19,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 655 states and 892 transitions. [2024-11-17 00:12:19,770 INFO L78 Accepts]: Start accepts. Automaton has 655 states and 892 transitions. Word has length 195 [2024-11-17 00:12:19,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:12:19,770 INFO L471 AbstractCegarLoop]: Abstraction has 655 states and 892 transitions. [2024-11-17 00:12:19,771 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 36.2) internal successors, (181), 5 states have internal predecessors, (181), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 00:12:19,771 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 892 transitions. [2024-11-17 00:12:19,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-17 00:12:19,773 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:12:19,773 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 00:12:19,796 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-17 00:12:19,974 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 00:12:19,975 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-17 00:12:19,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:12:19,975 INFO L85 PathProgramCache]: Analyzing trace with hash -478673994, now seen corresponding path program 1 times [2024-11-17 00:12:19,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 00:12:19,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591763235] [2024-11-17 00:12:19,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:12:19,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 00:12:21,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:12:21,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-17 00:12:21,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:12:21,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-17 00:12:21,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:12:21,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-17 00:12:21,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:12:21,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-17 00:12:21,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:12:21,649 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-17 00:12:21,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 00:12:21,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591763235] [2024-11-17 00:12:21,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591763235] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 00:12:21,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [98878637] [2024-11-17 00:12:21,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:12:21,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 00:12:21,651 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 00:12:21,652 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 00:12:21,654 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-17 00:12:22,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:12:22,410 INFO L255 TraceCheckSpWp]: Trace formula consists of 1089 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-17 00:12:22,415 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 00:12:22,540 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 23 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 00:12:22,540 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 00:12:22,656 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-17 00:12:22,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [98878637] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 00:12:22,657 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 00:12:22,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 5] total 12 [2024-11-17 00:12:22,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321066147] [2024-11-17 00:12:22,658 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 00:12:22,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-17 00:12:22,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 00:12:22,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-17 00:12:22,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2024-11-17 00:12:22,661 INFO L87 Difference]: Start difference. First operand 655 states and 892 transitions. Second operand has 12 states, 12 states have (on average 21.583333333333332) internal successors, (259), 11 states have internal predecessors, (259), 3 states have call successors, (12), 3 states have call predecessors, (12), 5 states have return successors, (9), 1 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-17 00:12:23,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:12:23,333 INFO L93 Difference]: Finished difference Result 720 states and 984 transitions. [2024-11-17 00:12:23,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-17 00:12:23,334 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 21.583333333333332) internal successors, (259), 11 states have internal predecessors, (259), 3 states have call successors, (12), 3 states have call predecessors, (12), 5 states have return successors, (9), 1 states have call predecessors, (9), 3 states have call successors, (9) Word has length 199 [2024-11-17 00:12:23,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:12:23,337 INFO L225 Difference]: With dead ends: 720 [2024-11-17 00:12:23,337 INFO L226 Difference]: Without dead ends: 720 [2024-11-17 00:12:23,337 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 416 GetRequests, 398 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=102, Invalid=278, Unknown=0, NotChecked=0, Total=380 [2024-11-17 00:12:23,338 INFO L432 NwaCegarLoop]: 489 mSDtfsCounter, 394 mSDsluCounter, 1801 mSDsCounter, 0 mSdLazyCounter, 412 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 404 SdHoareTripleChecker+Valid, 2290 SdHoareTripleChecker+Invalid, 441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 412 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-17 00:12:23,338 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [404 Valid, 2290 Invalid, 441 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 412 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-17 00:12:23,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 720 states. [2024-11-17 00:12:23,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 720 to 664. [2024-11-17 00:12:23,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 664 states, 650 states have (on average 1.3615384615384616) internal successors, (885), 652 states have internal predecessors, (885), 9 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (12), 9 states have call predecessors, (12), 9 states have call successors, (12) [2024-11-17 00:12:23,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 664 states and 906 transitions. [2024-11-17 00:12:23,350 INFO L78 Accepts]: Start accepts. Automaton has 664 states and 906 transitions. Word has length 199 [2024-11-17 00:12:23,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:12:23,350 INFO L471 AbstractCegarLoop]: Abstraction has 664 states and 906 transitions. [2024-11-17 00:12:23,351 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 21.583333333333332) internal successors, (259), 11 states have internal predecessors, (259), 3 states have call successors, (12), 3 states have call predecessors, (12), 5 states have return successors, (9), 1 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-17 00:12:23,351 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 906 transitions. [2024-11-17 00:12:23,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2024-11-17 00:12:23,353 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:12:23,353 INFO L215 NwaCegarLoop]: trace histogram [12, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 00:12:23,377 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-17 00:12:23,553 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 00:12:23,554 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-17 00:12:23,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:12:23,555 INFO L85 PathProgramCache]: Analyzing trace with hash 1889882294, now seen corresponding path program 2 times [2024-11-17 00:12:23,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 00:12:23,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097799877] [2024-11-17 00:12:23,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:12:23,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 00:12:24,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:12:24,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-17 00:12:24,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:12:25,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-17 00:12:25,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:12:25,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-17 00:12:25,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:12:25,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-17 00:12:25,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:12:25,063 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 2 proven. 71 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-11-17 00:12:25,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 00:12:25,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097799877] [2024-11-17 00:12:25,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2097799877] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 00:12:25,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1415879616] [2024-11-17 00:12:25,065 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 00:12:25,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 00:12:25,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 00:12:25,067 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 00:12:25,068 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-17 00:12:26,482 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 00:12:26,482 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 00:12:26,491 INFO L255 TraceCheckSpWp]: Trace formula consists of 1209 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-17 00:12:26,497 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 00:12:26,919 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 66 proven. 10 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-17 00:12:26,920 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 00:12:31,690 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 2 proven. 70 refuted. 1 times theorem prover too weak. 67 trivial. 0 not checked. [2024-11-17 00:12:31,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1415879616] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 00:12:31,691 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 00:12:31,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11, 10] total 25 [2024-11-17 00:12:31,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853763461] [2024-11-17 00:12:31,691 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 00:12:31,695 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-17 00:12:31,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 00:12:31,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-17 00:12:31,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=476, Unknown=1, NotChecked=0, Total=600 [2024-11-17 00:12:31,696 INFO L87 Difference]: Start difference. First operand 664 states and 906 transitions. Second operand has 25 states, 25 states have (on average 14.8) internal successors, (370), 24 states have internal predecessors, (370), 4 states have call successors, (12), 3 states have call predecessors, (12), 5 states have return successors, (12), 2 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-17 00:12:33,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:12:33,387 INFO L93 Difference]: Finished difference Result 737 states and 1010 transitions. [2024-11-17 00:12:33,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-17 00:12:33,388 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 14.8) internal successors, (370), 24 states have internal predecessors, (370), 4 states have call successors, (12), 3 states have call predecessors, (12), 5 states have return successors, (12), 2 states have call predecessors, (12), 4 states have call successors, (12) Word has length 207 [2024-11-17 00:12:33,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:12:33,391 INFO L225 Difference]: With dead ends: 737 [2024-11-17 00:12:33,391 INFO L226 Difference]: Without dead ends: 731 [2024-11-17 00:12:33,392 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 439 GetRequests, 405 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 206 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=300, Invalid=959, Unknown=1, NotChecked=0, Total=1260 [2024-11-17 00:12:33,392 INFO L432 NwaCegarLoop]: 478 mSDtfsCounter, 1249 mSDsluCounter, 5002 mSDsCounter, 0 mSdLazyCounter, 1058 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1267 SdHoareTripleChecker+Valid, 5480 SdHoareTripleChecker+Invalid, 1124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 1058 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-17 00:12:33,393 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1267 Valid, 5480 Invalid, 1124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 1058 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-17 00:12:33,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 731 states. [2024-11-17 00:12:33,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 731 to 673. [2024-11-17 00:12:33,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 673 states, 659 states have (on average 1.3566009104704098) internal successors, (894), 661 states have internal predecessors, (894), 9 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (12), 9 states have call predecessors, (12), 9 states have call successors, (12) [2024-11-17 00:12:33,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 915 transitions. [2024-11-17 00:12:33,409 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 915 transitions. Word has length 207 [2024-11-17 00:12:33,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:12:33,409 INFO L471 AbstractCegarLoop]: Abstraction has 673 states and 915 transitions. [2024-11-17 00:12:33,410 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 14.8) internal successors, (370), 24 states have internal predecessors, (370), 4 states have call successors, (12), 3 states have call predecessors, (12), 5 states have return successors, (12), 2 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-17 00:12:33,410 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 915 transitions. [2024-11-17 00:12:33,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2024-11-17 00:12:33,412 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:12:33,412 INFO L215 NwaCegarLoop]: trace histogram [30, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 00:12:33,445 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-17 00:12:33,613 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-17 00:12:33,613 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-17 00:12:33,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:12:33,614 INFO L85 PathProgramCache]: Analyzing trace with hash -406609010, now seen corresponding path program 3 times [2024-11-17 00:12:33,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 00:12:33,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714173728] [2024-11-17 00:12:33,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:12:33,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 00:12:34,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:12:35,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-17 00:12:35,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:12:35,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-17 00:12:35,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:12:35,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-17 00:12:35,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:12:35,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-17 00:12:35,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:12:35,763 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 2 proven. 314 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-11-17 00:12:35,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 00:12:35,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714173728] [2024-11-17 00:12:35,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [714173728] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 00:12:35,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [8679134] [2024-11-17 00:12:35,764 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-17 00:12:35,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 00:12:35,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 00:12:35,767 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 00:12:35,769 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-17 00:12:36,330 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-17 00:12:36,330 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 00:12:36,334 INFO L255 TraceCheckSpWp]: Trace formula consists of 446 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-17 00:12:36,338 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 00:12:36,752 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 579 trivial. 0 not checked. [2024-11-17 00:12:36,754 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 00:12:36,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [8679134] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 00:12:36,754 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 00:12:36,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [15] total 20 [2024-11-17 00:12:36,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865571504] [2024-11-17 00:12:36,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 00:12:36,755 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 00:12:36,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 00:12:36,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 00:12:36,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2024-11-17 00:12:36,757 INFO L87 Difference]: Start difference. First operand 673 states and 915 transitions. Second operand has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 7 states have internal predecessors, (179), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 00:12:37,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:12:37,350 INFO L93 Difference]: Finished difference Result 683 states and 927 transitions. [2024-11-17 00:12:37,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 00:12:37,351 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 7 states have internal predecessors, (179), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 225 [2024-11-17 00:12:37,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:12:37,353 INFO L225 Difference]: With dead ends: 683 [2024-11-17 00:12:37,353 INFO L226 Difference]: Without dead ends: 683 [2024-11-17 00:12:37,354 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2024-11-17 00:12:37,354 INFO L432 NwaCegarLoop]: 444 mSDtfsCounter, 8 mSDsluCounter, 1912 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 2356 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-17 00:12:37,355 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 2356 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-17 00:12:37,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 683 states. [2024-11-17 00:12:37,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 683 to 673. [2024-11-17 00:12:37,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 673 states, 659 states have (on average 1.3566009104704098) internal successors, (894), 661 states have internal predecessors, (894), 9 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (12), 9 states have call predecessors, (12), 9 states have call successors, (12) [2024-11-17 00:12:37,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 915 transitions. [2024-11-17 00:12:37,367 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 915 transitions. Word has length 225 [2024-11-17 00:12:37,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:12:37,367 INFO L471 AbstractCegarLoop]: Abstraction has 673 states and 915 transitions. [2024-11-17 00:12:37,367 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 7 states have internal predecessors, (179), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 00:12:37,367 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 915 transitions. [2024-11-17 00:12:37,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2024-11-17 00:12:37,369 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:12:37,369 INFO L215 NwaCegarLoop]: trace histogram [30, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 00:12:37,390 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-17 00:12:37,570 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-17 00:12:37,570 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-17 00:12:37,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:12:37,571 INFO L85 PathProgramCache]: Analyzing trace with hash -2123404347, now seen corresponding path program 1 times [2024-11-17 00:12:37,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 00:12:37,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447803441] [2024-11-17 00:12:37,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:12:37,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 00:12:37,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:12:38,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-17 00:12:38,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:12:38,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-17 00:12:38,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:12:38,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-17 00:12:38,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:12:38,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-17 00:12:38,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:12:38,375 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 579 trivial. 0 not checked. [2024-11-17 00:12:38,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 00:12:38,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447803441] [2024-11-17 00:12:38,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447803441] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 00:12:38,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 00:12:38,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-17 00:12:38,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998389420] [2024-11-17 00:12:38,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 00:12:38,377 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-17 00:12:38,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 00:12:38,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-17 00:12:38,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-17 00:12:38,378 INFO L87 Difference]: Start difference. First operand 673 states and 915 transitions. Second operand has 10 states, 10 states have (on average 18.0) internal successors, (180), 9 states have internal predecessors, (180), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 00:12:39,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:12:39,082 INFO L93 Difference]: Finished difference Result 695 states and 943 transitions. [2024-11-17 00:12:39,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-17 00:12:39,082 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 18.0) internal successors, (180), 9 states have internal predecessors, (180), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 226 [2024-11-17 00:12:39,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:12:39,084 INFO L225 Difference]: With dead ends: 695 [2024-11-17 00:12:39,084 INFO L226 Difference]: Without dead ends: 695 [2024-11-17 00:12:39,085 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-17 00:12:39,085 INFO L432 NwaCegarLoop]: 438 mSDtfsCounter, 19 mSDsluCounter, 2718 mSDsCounter, 0 mSdLazyCounter, 761 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 3156 SdHoareTripleChecker+Invalid, 768 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 761 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-17 00:12:39,085 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 3156 Invalid, 768 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 761 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-17 00:12:39,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 695 states. [2024-11-17 00:12:39,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 695 to 687. [2024-11-17 00:12:39,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 687 states, 673 states have (on average 1.3551263001485885) internal successors, (912), 675 states have internal predecessors, (912), 9 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (12), 9 states have call predecessors, (12), 9 states have call successors, (12) [2024-11-17 00:12:39,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 687 states and 933 transitions. [2024-11-17 00:12:39,098 INFO L78 Accepts]: Start accepts. Automaton has 687 states and 933 transitions. Word has length 226 [2024-11-17 00:12:39,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:12:39,099 INFO L471 AbstractCegarLoop]: Abstraction has 687 states and 933 transitions. [2024-11-17 00:12:39,099 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 18.0) internal successors, (180), 9 states have internal predecessors, (180), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 00:12:39,099 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 933 transitions. [2024-11-17 00:12:39,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2024-11-17 00:12:39,101 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:12:39,101 INFO L215 NwaCegarLoop]: trace histogram [30, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 00:12:39,101 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-17 00:12:39,101 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-17 00:12:39,102 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:12:39,102 INFO L85 PathProgramCache]: Analyzing trace with hash 1417281535, now seen corresponding path program 1 times [2024-11-17 00:12:39,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 00:12:39,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554580395] [2024-11-17 00:12:39,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:12:39,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 00:12:40,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:12:40,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-17 00:12:40,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:12:41,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-17 00:12:41,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:12:41,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-17 00:12:41,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:12:41,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-17 00:12:41,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:12:41,220 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 2 proven. 314 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-11-17 00:12:41,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 00:12:41,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554580395] [2024-11-17 00:12:41,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1554580395] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 00:12:41,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1391165026] [2024-11-17 00:12:41,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:12:41,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 00:12:41,221 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 00:12:41,223 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 00:12:41,225 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-17 00:12:42,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:12:42,201 INFO L255 TraceCheckSpWp]: Trace formula consists of 1480 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-17 00:12:42,207 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 00:12:42,528 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 579 trivial. 0 not checked. [2024-11-17 00:12:42,528 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 00:12:42,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1391165026] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 00:12:42,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 00:12:42,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [15] total 21 [2024-11-17 00:12:42,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068137873] [2024-11-17 00:12:42,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 00:12:42,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-17 00:12:42,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 00:12:42,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-17 00:12:42,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2024-11-17 00:12:42,535 INFO L87 Difference]: Start difference. First operand 687 states and 933 transitions. Second operand has 8 states, 8 states have (on average 22.5) internal successors, (180), 8 states have internal predecessors, (180), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 00:12:43,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:12:43,202 INFO L93 Difference]: Finished difference Result 707 states and 959 transitions. [2024-11-17 00:12:43,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-17 00:12:43,203 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 22.5) internal successors, (180), 8 states have internal predecessors, (180), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 226 [2024-11-17 00:12:43,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:12:43,205 INFO L225 Difference]: With dead ends: 707 [2024-11-17 00:12:43,205 INFO L226 Difference]: Without dead ends: 707 [2024-11-17 00:12:43,206 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=57, Invalid=449, Unknown=0, NotChecked=0, Total=506 [2024-11-17 00:12:43,207 INFO L432 NwaCegarLoop]: 444 mSDtfsCounter, 33 mSDsluCounter, 2323 mSDsCounter, 0 mSdLazyCounter, 679 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 2767 SdHoareTripleChecker+Invalid, 683 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 679 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-17 00:12:43,207 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 2767 Invalid, 683 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 679 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-17 00:12:43,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 707 states. [2024-11-17 00:12:43,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 707 to 697. [2024-11-17 00:12:43,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 697 states, 683 states have (on average 1.3528550512445094) internal successors, (924), 685 states have internal predecessors, (924), 9 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (12), 9 states have call predecessors, (12), 9 states have call successors, (12) [2024-11-17 00:12:43,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 697 states and 945 transitions. [2024-11-17 00:12:43,219 INFO L78 Accepts]: Start accepts. Automaton has 697 states and 945 transitions. Word has length 226 [2024-11-17 00:12:43,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:12:43,219 INFO L471 AbstractCegarLoop]: Abstraction has 697 states and 945 transitions. [2024-11-17 00:12:43,220 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 22.5) internal successors, (180), 8 states have internal predecessors, (180), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 00:12:43,220 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 945 transitions. [2024-11-17 00:12:43,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2024-11-17 00:12:43,221 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:12:43,221 INFO L215 NwaCegarLoop]: trace histogram [30, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 00:12:43,249 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-17 00:12:43,422 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 00:12:43,423 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-17 00:12:43,424 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:12:43,424 INFO L85 PathProgramCache]: Analyzing trace with hash -1462155903, now seen corresponding path program 1 times [2024-11-17 00:12:43,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 00:12:43,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456674968] [2024-11-17 00:12:43,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:12:43,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 00:12:43,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:12:44,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-17 00:12:44,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:12:44,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-17 00:12:44,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:12:44,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-17 00:12:44,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:12:44,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-17 00:12:44,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:12:44,347 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 579 trivial. 0 not checked. [2024-11-17 00:12:44,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 00:12:44,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456674968] [2024-11-17 00:12:44,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456674968] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 00:12:44,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 00:12:44,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-17 00:12:44,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142269960] [2024-11-17 00:12:44,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 00:12:44,348 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-17 00:12:44,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 00:12:44,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-17 00:12:44,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-17 00:12:44,350 INFO L87 Difference]: Start difference. First operand 697 states and 945 transitions. Second operand has 11 states, 11 states have (on average 16.454545454545453) internal successors, (181), 10 states have internal predecessors, (181), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 00:12:45,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:12:45,321 INFO L93 Difference]: Finished difference Result 717 states and 973 transitions. [2024-11-17 00:12:45,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-17 00:12:45,322 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 16.454545454545453) internal successors, (181), 10 states have internal predecessors, (181), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 227 [2024-11-17 00:12:45,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:12:45,323 INFO L225 Difference]: With dead ends: 717 [2024-11-17 00:12:45,324 INFO L226 Difference]: Without dead ends: 717 [2024-11-17 00:12:45,324 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-11-17 00:12:45,324 INFO L432 NwaCegarLoop]: 444 mSDtfsCounter, 25 mSDsluCounter, 2708 mSDsCounter, 0 mSdLazyCounter, 888 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 3152 SdHoareTripleChecker+Invalid, 895 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 888 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-17 00:12:45,325 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 3152 Invalid, 895 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 888 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-17 00:12:45,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 717 states. [2024-11-17 00:12:45,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 717 to 703. [2024-11-17 00:12:45,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 703 states, 689 states have (on average 1.3497822931785195) internal successors, (930), 691 states have internal predecessors, (930), 9 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (12), 9 states have call predecessors, (12), 9 states have call successors, (12) [2024-11-17 00:12:45,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 703 states to 703 states and 951 transitions. [2024-11-17 00:12:45,338 INFO L78 Accepts]: Start accepts. Automaton has 703 states and 951 transitions. Word has length 227 [2024-11-17 00:12:45,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:12:45,338 INFO L471 AbstractCegarLoop]: Abstraction has 703 states and 951 transitions. [2024-11-17 00:12:45,338 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 16.454545454545453) internal successors, (181), 10 states have internal predecessors, (181), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-17 00:12:45,338 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 951 transitions. [2024-11-17 00:12:45,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2024-11-17 00:12:45,340 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:12:45,340 INFO L215 NwaCegarLoop]: trace histogram [30, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 00:12:45,340 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-17 00:12:45,340 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-17 00:12:45,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:12:45,341 INFO L85 PathProgramCache]: Analyzing trace with hash 654053227, now seen corresponding path program 1 times [2024-11-17 00:12:45,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 00:12:45,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054101895] [2024-11-17 00:12:45,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:12:45,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 00:12:46,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:12:58,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-17 00:12:58,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:12:59,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-17 00:12:59,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:12:59,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-17 00:12:59,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:12:59,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-17 00:12:59,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:12:59,674 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 2 proven. 390 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2024-11-17 00:12:59,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 00:12:59,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054101895] [2024-11-17 00:12:59,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054101895] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 00:12:59,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [683054312] [2024-11-17 00:12:59,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:12:59,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 00:12:59,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 00:12:59,677 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 00:12:59,678 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process