./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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/AutomizerReach.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-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 ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 05edfd344a133924af20e7887ded3d695179bf474d7b39ea2b7287f4a108ff8d --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 07:15:47,593 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 07:15:47,666 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-17 07:15:47,671 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 07:15:47,673 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 07:15:47,702 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 07:15:47,704 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 07:15:47,705 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 07:15:47,705 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 07:15:47,707 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 07:15:47,707 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 07:15:47,708 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 07:15:47,708 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 07:15:47,708 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 07:15:47,709 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 07:15:47,709 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 07:15:47,711 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 07:15:47,713 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 07:15:47,714 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 07:15:47,714 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 07:15:47,714 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 07:15:47,715 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 07:15:47,715 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 07:15:47,715 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 07:15:47,715 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 07:15:47,716 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 07:15:47,716 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 07:15:47,716 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 07:15:47,717 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 07:15:47,717 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 07:15:47,717 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 07:15:47,717 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 07:15:47,717 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 07:15:47,718 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 07:15:47,718 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 07:15:47,718 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 07:15:47,719 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 07:15:47,719 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 07:15:47,720 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 07:15:47,720 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 07:15:47,721 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 07:15:47,721 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 07:15:47,721 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 07:15:47,722 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 07:15:47,722 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05edfd344a133924af20e7887ded3d695179bf474d7b39ea2b7287f4a108ff8d [2024-11-17 07:15:47,975 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 07:15:48,002 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 07:15:48,005 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 07:15:48,007 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 07:15:48,008 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 07:15:48,009 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i [2024-11-17 07:15:49,480 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 07:15:49,843 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 07:15:49,845 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i [2024-11-17 07:15:49,871 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61ee58894/449048a5071344f886ef61c0d90169ae/FLAG507a23088 [2024-11-17 07:15:49,890 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61ee58894/449048a5071344f886ef61c0d90169ae [2024-11-17 07:15:49,894 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 07:15:49,896 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 07:15:49,899 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 07:15:49,899 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 07:15:49,905 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 07:15:49,906 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 07:15:49" (1/1) ... [2024-11-17 07:15:49,907 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bc300b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:15:49, skipping insertion in model container [2024-11-17 07:15:49,907 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 07:15:49" (1/1) ... [2024-11-17 07:15:49,974 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 07:15:50,650 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 07:15:50,667 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 07:15:50,796 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 07:15:50,854 INFO L204 MainTranslator]: Completed translation [2024-11-17 07:15:50,854 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:15:50 WrapperNode [2024-11-17 07:15:50,854 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 07:15:50,855 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 07:15:50,856 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 07:15:50,856 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 07:15:50,863 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:15:50" (1/1) ... [2024-11-17 07:15:50,905 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:15:50" (1/1) ... [2024-11-17 07:15:50,992 INFO L138 Inliner]: procedures = 282, calls = 300, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 1452 [2024-11-17 07:15:50,993 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 07:15:50,993 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 07:15:50,994 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 07:15:50,994 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 07:15:51,011 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:15:50" (1/1) ... [2024-11-17 07:15:51,012 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:15:50" (1/1) ... [2024-11-17 07:15:51,028 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:15:50" (1/1) ... [2024-11-17 07:15:51,115 INFO L175 MemorySlicer]: Split 268 memory accesses to 4 slices as follows [2, 12, 34, 220]. 82 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 10, 0, 0]. The 54 writes are split as follows [0, 1, 4, 49]. [2024-11-17 07:15:51,115 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:15:50" (1/1) ... [2024-11-17 07:15:51,116 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:15:50" (1/1) ... [2024-11-17 07:15:51,152 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:15:50" (1/1) ... [2024-11-17 07:15:51,154 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:15:50" (1/1) ... [2024-11-17 07:15:51,159 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:15:50" (1/1) ... [2024-11-17 07:15:51,164 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:15:50" (1/1) ... [2024-11-17 07:15:51,173 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 07:15:51,174 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 07:15:51,174 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 07:15:51,175 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 07:15:51,175 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:15:50" (1/1) ... [2024-11-17 07:15:51,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 07:15:51,198 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:15:51,215 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 07:15:51,217 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 07:15:51,258 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-17 07:15:51,258 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-17 07:15:51,258 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-17 07:15:51,258 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-17 07:15:51,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-17 07:15:51,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-17 07:15:51,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-17 07:15:51,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-17 07:15:51,259 INFO L130 BoogieDeclarations]: Found specification of procedure alt_bzero [2024-11-17 07:15:51,259 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_bzero [2024-11-17 07:15:51,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-17 07:15:51,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-17 07:15:51,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-17 07:15:51,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-17 07:15:51,260 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-17 07:15:51,260 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-17 07:15:51,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-17 07:15:51,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-17 07:15:51,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-17 07:15:51,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-17 07:15:51,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-17 07:15:51,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 07:15:51,261 INFO L130 BoogieDeclarations]: Found specification of procedure alt_malloc [2024-11-17 07:15:51,261 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_malloc [2024-11-17 07:15:51,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-17 07:15:51,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-17 07:15:51,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-17 07:15:51,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-17 07:15:51,262 INFO L130 BoogieDeclarations]: Found specification of procedure alt_free [2024-11-17 07:15:51,262 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_free [2024-11-17 07:15:51,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 07:15:51,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-17 07:15:51,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-17 07:15:51,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-17 07:15:51,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 07:15:51,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 07:15:51,520 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 07:15:51,522 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 07:15:51,594 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L955: havoc #t~malloc32.base, #t~malloc32.offset; [2024-11-17 07:15:52,837 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L969: havoc alt_memcmp_#t~nondet36#1; [2024-11-17 07:15:52,838 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L979: havoc real_malloc_#t~malloc39#1.base, real_malloc_#t~malloc39#1.offset; [2024-11-17 07:15:52,838 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L987: call ULTIMATE.dealloc(main_~#i~0#1.base, main_~#i~0#1.offset);havoc main_~#i~0#1.base, main_~#i~0#1.offset; [2024-11-17 07:15:52,969 INFO L? ?]: Removed 345 outVars from TransFormulas that were not future-live. [2024-11-17 07:15:52,969 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 07:15:53,030 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 07:15:53,034 INFO L336 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-17 07:15:53,035 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 07:15:53 BoogieIcfgContainer [2024-11-17 07:15:53,035 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 07:15:53,037 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 07:15:53,037 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 07:15:53,041 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 07:15:53,042 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 07:15:49" (1/3) ... [2024-11-17 07:15:53,042 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6688c07c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 07:15:53, skipping insertion in model container [2024-11-17 07:15:53,042 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:15:50" (2/3) ... [2024-11-17 07:15:53,044 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6688c07c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 07:15:53, skipping insertion in model container [2024-11-17 07:15:53,044 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 07:15:53" (3/3) ... [2024-11-17 07:15:53,045 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_BER_test6-1.i [2024-11-17 07:15:53,061 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 07:15:53,062 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2024-11-17 07:15:53,145 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 07:15:53,151 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=LoopHeads, 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;@5ecb3865, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 07:15:53,152 INFO L334 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2024-11-17 07:15:53,158 INFO L276 IsEmpty]: Start isEmpty. Operand has 475 states, 437 states have (on average 1.5926773455377574) internal successors, (696), 455 states have internal predecessors, (696), 18 states have call successors, (18), 5 states have call predecessors, (18), 5 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-17 07:15:53,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-17 07:15:53,165 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:15:53,166 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:15:53,166 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-17 07:15:53,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:15:53,172 INFO L85 PathProgramCache]: Analyzing trace with hash -93056644, now seen corresponding path program 1 times [2024-11-17 07:15:53,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:15:53,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819970409] [2024-11-17 07:15:53,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:15:53,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:15:53,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:15:53,388 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 07:15:53,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:15:53,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819970409] [2024-11-17 07:15:53,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819970409] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:15:53,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:15:53,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 07:15:53,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646942257] [2024-11-17 07:15:53,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:15:53,396 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-17 07:15:53,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:15:53,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-17 07:15:53,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-17 07:15:53,426 INFO L87 Difference]: Start difference. First operand has 475 states, 437 states have (on average 1.5926773455377574) internal successors, (696), 455 states have internal predecessors, (696), 18 states have call successors, (18), 5 states have call predecessors, (18), 5 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:15:53,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:15:53,600 INFO L93 Difference]: Finished difference Result 943 states and 1467 transitions. [2024-11-17 07:15:53,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 07:15:53,605 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-17 07:15:53,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:15:53,617 INFO L225 Difference]: With dead ends: 943 [2024-11-17 07:15:53,617 INFO L226 Difference]: Without dead ends: 455 [2024-11-17 07:15:53,625 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-17 07:15:53,632 INFO L432 NwaCegarLoop]: 612 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 612 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 07:15:53,633 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 612 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 07:15:53,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2024-11-17 07:15:53,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 455. [2024-11-17 07:15:53,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 455 states, 427 states have (on average 1.4355971896955504) internal successors, (613), 441 states have internal predecessors, (613), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-17 07:15:53,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 633 transitions. [2024-11-17 07:15:53,694 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 633 transitions. Word has length 8 [2024-11-17 07:15:53,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:15:53,694 INFO L471 AbstractCegarLoop]: Abstraction has 455 states and 633 transitions. [2024-11-17 07:15:53,695 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:15:53,695 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 633 transitions. [2024-11-17 07:15:53,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-17 07:15:53,695 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:15:53,696 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:15:53,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 07:15:53,696 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-17 07:15:53,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:15:53,697 INFO L85 PathProgramCache]: Analyzing trace with hash -93055683, now seen corresponding path program 1 times [2024-11-17 07:15:53,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:15:53,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642317180] [2024-11-17 07:15:53,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:15:53,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:15:53,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 07:15:53,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1324227340] [2024-11-17 07:15:53,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:15:53,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:15:53,754 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:15:53,756 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 07:15:53,758 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 07:15:53,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:15:53,970 INFO L255 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-17 07:15:53,981 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:15:54,033 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-17 07:15:54,071 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 07:15:54,071 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:15:54,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:15:54,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642317180] [2024-11-17 07:15:54,072 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 07:15:54,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1324227340] [2024-11-17 07:15:54,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1324227340] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:15:54,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:15:54,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 07:15:54,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490126486] [2024-11-17 07:15:54,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:15:54,074 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 07:15:54,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:15:54,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 07:15:54,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 07:15:54,077 INFO L87 Difference]: Start difference. First operand 455 states and 633 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:15:54,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:15:54,411 INFO L93 Difference]: Finished difference Result 873 states and 1230 transitions. [2024-11-17 07:15:54,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 07:15:54,415 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-17 07:15:54,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:15:54,421 INFO L225 Difference]: With dead ends: 873 [2024-11-17 07:15:54,422 INFO L226 Difference]: Without dead ends: 871 [2024-11-17 07:15:54,423 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 07:15:54,424 INFO L432 NwaCegarLoop]: 614 mSDtfsCounter, 572 mSDsluCounter, 1172 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 581 SdHoareTripleChecker+Valid, 1786 SdHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 07:15:54,424 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [581 Valid, 1786 Invalid, 218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 07:15:54,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 871 states. [2024-11-17 07:15:54,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 871 to 462. [2024-11-17 07:15:54,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 462 states, 434 states have (on average 1.4308755760368663) internal successors, (621), 448 states have internal predecessors, (621), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-17 07:15:54,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 641 transitions. [2024-11-17 07:15:54,461 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 641 transitions. Word has length 8 [2024-11-17 07:15:54,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:15:54,461 INFO L471 AbstractCegarLoop]: Abstraction has 462 states and 641 transitions. [2024-11-17 07:15:54,461 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:15:54,462 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 641 transitions. [2024-11-17 07:15:54,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-17 07:15:54,464 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:15:54,465 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:15:54,483 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 07:15:54,669 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:15:54,671 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-17 07:15:54,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:15:54,672 INFO L85 PathProgramCache]: Analyzing trace with hash 2087381474, now seen corresponding path program 1 times [2024-11-17 07:15:54,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:15:54,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633212216] [2024-11-17 07:15:54,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:15:54,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:15:54,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:15:55,057 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 07:15:55,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:15:55,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633212216] [2024-11-17 07:15:55,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633212216] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:15:55,058 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:15:55,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 07:15:55,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734615484] [2024-11-17 07:15:55,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:15:55,059 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 07:15:55,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:15:55,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 07:15:55,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 07:15:55,060 INFO L87 Difference]: Start difference. First operand 462 states and 641 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:15:55,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:15:55,221 INFO L93 Difference]: Finished difference Result 873 states and 1206 transitions. [2024-11-17 07:15:55,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 07:15:55,221 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2024-11-17 07:15:55,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:15:55,224 INFO L225 Difference]: With dead ends: 873 [2024-11-17 07:15:55,224 INFO L226 Difference]: Without dead ends: 420 [2024-11-17 07:15:55,225 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 07:15:55,226 INFO L432 NwaCegarLoop]: 498 mSDtfsCounter, 30 mSDsluCounter, 976 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 1474 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 07:15:55,227 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 1474 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 07:15:55,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2024-11-17 07:15:55,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 420. [2024-11-17 07:15:55,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 420 states, 392 states have (on average 1.3877551020408163) internal successors, (544), 406 states have internal predecessors, (544), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-17 07:15:55,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 564 transitions. [2024-11-17 07:15:55,238 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 564 transitions. Word has length 67 [2024-11-17 07:15:55,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:15:55,239 INFO L471 AbstractCegarLoop]: Abstraction has 420 states and 564 transitions. [2024-11-17 07:15:55,239 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:15:55,239 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 564 transitions. [2024-11-17 07:15:55,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-17 07:15:55,241 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:15:55,242 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:15:55,242 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-17 07:15:55,242 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-17 07:15:55,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:15:55,243 INFO L85 PathProgramCache]: Analyzing trace with hash 175971177, now seen corresponding path program 1 times [2024-11-17 07:15:55,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:15:55,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848358967] [2024-11-17 07:15:55,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:15:55,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:15:55,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:15:55,485 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 07:15:55,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:15:55,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848358967] [2024-11-17 07:15:55,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [848358967] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:15:55,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:15:55,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 07:15:55,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244690960] [2024-11-17 07:15:55,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:15:55,489 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 07:15:55,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:15:55,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 07:15:55,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 07:15:55,492 INFO L87 Difference]: Start difference. First operand 420 states and 564 transitions. Second operand has 4 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:15:55,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:15:55,649 INFO L93 Difference]: Finished difference Result 758 states and 1028 transitions. [2024-11-17 07:15:55,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 07:15:55,650 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2024-11-17 07:15:55,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:15:55,656 INFO L225 Difference]: With dead ends: 758 [2024-11-17 07:15:55,656 INFO L226 Difference]: Without dead ends: 754 [2024-11-17 07:15:55,657 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 07:15:55,659 INFO L432 NwaCegarLoop]: 510 mSDtfsCounter, 388 mSDsluCounter, 1014 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 388 SdHoareTripleChecker+Valid, 1524 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 07:15:55,660 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [388 Valid, 1524 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 07:15:55,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 754 states. [2024-11-17 07:15:55,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 754 to 744. [2024-11-17 07:15:55,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 744 states, 713 states have (on average 1.3969144460028051) internal successors, (996), 728 states have internal predecessors, (996), 13 states have call successors, (13), 6 states have call predecessors, (13), 4 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-17 07:15:55,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 1022 transitions. [2024-11-17 07:15:55,680 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 1022 transitions. Word has length 67 [2024-11-17 07:15:55,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:15:55,681 INFO L471 AbstractCegarLoop]: Abstraction has 744 states and 1022 transitions. [2024-11-17 07:15:55,681 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:15:55,681 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1022 transitions. [2024-11-17 07:15:55,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-17 07:15:55,683 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:15:55,683 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:15:55,684 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-17 07:15:55,684 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-17 07:15:55,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:15:55,684 INFO L85 PathProgramCache]: Analyzing trace with hash 1142837239, now seen corresponding path program 1 times [2024-11-17 07:15:55,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:15:55,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993753196] [2024-11-17 07:15:55,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:15:55,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:15:55,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:15:55,879 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 07:15:55,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:15:55,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993753196] [2024-11-17 07:15:55,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [993753196] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:15:55,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:15:55,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 07:15:55,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784665134] [2024-11-17 07:15:55,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:15:55,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 07:15:55,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:15:55,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 07:15:55,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 07:15:55,882 INFO L87 Difference]: Start difference. First operand 744 states and 1022 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 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 07:15:56,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:15:56,128 INFO L93 Difference]: Finished difference Result 1738 states and 2433 transitions. [2024-11-17 07:15:56,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 07:15:56,129 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 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 72 [2024-11-17 07:15:56,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:15:56,135 INFO L225 Difference]: With dead ends: 1738 [2024-11-17 07:15:56,136 INFO L226 Difference]: Without dead ends: 1329 [2024-11-17 07:15:56,137 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 07:15:56,140 INFO L432 NwaCegarLoop]: 508 mSDtfsCounter, 490 mSDsluCounter, 992 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 499 SdHoareTripleChecker+Valid, 1500 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 07:15:56,141 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [499 Valid, 1500 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 07:15:56,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1329 states. [2024-11-17 07:15:56,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1329 to 744. [2024-11-17 07:15:56,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 744 states, 713 states have (on average 1.3955119214586256) internal successors, (995), 728 states have internal predecessors, (995), 13 states have call successors, (13), 6 states have call predecessors, (13), 4 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-17 07:15:56,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 1021 transitions. [2024-11-17 07:15:56,176 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 1021 transitions. Word has length 72 [2024-11-17 07:15:56,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:15:56,178 INFO L471 AbstractCegarLoop]: Abstraction has 744 states and 1021 transitions. [2024-11-17 07:15:56,178 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 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 07:15:56,178 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1021 transitions. [2024-11-17 07:15:56,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-17 07:15:56,179 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:15:56,180 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:15:56,180 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-17 07:15:56,180 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting alt_bzeroErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-17 07:15:56,181 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:15:56,181 INFO L85 PathProgramCache]: Analyzing trace with hash 1115226759, now seen corresponding path program 1 times [2024-11-17 07:15:56,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:15:56,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940357564] [2024-11-17 07:15:56,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:15:56,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:15:56,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:15:56,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-17 07:15:56,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:15:56,430 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 07:15:56,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:15:56,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940357564] [2024-11-17 07:15:56,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940357564] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:15:56,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:15:56,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 07:15:56,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711558983] [2024-11-17 07:15:56,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:15:56,432 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 07:15:56,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:15:56,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 07:15:56,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 07:15:56,433 INFO L87 Difference]: Start difference. First operand 744 states and 1021 transitions. Second operand has 4 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 07:15:56,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:15:56,683 INFO L93 Difference]: Finished difference Result 981 states and 1342 transitions. [2024-11-17 07:15:56,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 07:15:56,683 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 78 [2024-11-17 07:15:56,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:15:56,689 INFO L225 Difference]: With dead ends: 981 [2024-11-17 07:15:56,689 INFO L226 Difference]: Without dead ends: 979 [2024-11-17 07:15:56,690 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 07:15:56,691 INFO L432 NwaCegarLoop]: 496 mSDtfsCounter, 451 mSDsluCounter, 958 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 452 SdHoareTripleChecker+Valid, 1454 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 07:15:56,692 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [452 Valid, 1454 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 07:15:56,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 979 states. [2024-11-17 07:15:56,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 979 to 968. [2024-11-17 07:15:56,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 968 states, 929 states have (on average 1.402583423035522) internal successors, (1303), 945 states have internal predecessors, (1303), 18 states have call successors, (18), 9 states have call predecessors, (18), 7 states have return successors, (18), 15 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-17 07:15:56,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 968 states to 968 states and 1339 transitions. [2024-11-17 07:15:56,722 INFO L78 Accepts]: Start accepts. Automaton has 968 states and 1339 transitions. Word has length 78 [2024-11-17 07:15:56,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:15:56,722 INFO L471 AbstractCegarLoop]: Abstraction has 968 states and 1339 transitions. [2024-11-17 07:15:56,723 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 07:15:56,723 INFO L276 IsEmpty]: Start isEmpty. Operand 968 states and 1339 transitions. [2024-11-17 07:15:56,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-17 07:15:56,723 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:15:56,724 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:15:56,724 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-17 07:15:56,724 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-17 07:15:56,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:15:56,724 INFO L85 PathProgramCache]: Analyzing trace with hash 332659283, now seen corresponding path program 1 times [2024-11-17 07:15:56,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:15:56,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800968617] [2024-11-17 07:15:56,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:15:56,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:15:56,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:15:56,894 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 07:15:56,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:15:56,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800968617] [2024-11-17 07:15:56,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [800968617] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:15:56,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:15:56,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 07:15:56,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223372448] [2024-11-17 07:15:56,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:15:56,896 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 07:15:56,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:15:56,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 07:15:56,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 07:15:56,897 INFO L87 Difference]: Start difference. First operand 968 states and 1339 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 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 07:15:57,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:15:57,087 INFO L93 Difference]: Finished difference Result 1657 states and 2283 transitions. [2024-11-17 07:15:57,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 07:15:57,088 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 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 84 [2024-11-17 07:15:57,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:15:57,091 INFO L225 Difference]: With dead ends: 1657 [2024-11-17 07:15:57,091 INFO L226 Difference]: Without dead ends: 698 [2024-11-17 07:15:57,093 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 07:15:57,093 INFO L432 NwaCegarLoop]: 684 mSDtfsCounter, 300 mSDsluCounter, 492 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 301 SdHoareTripleChecker+Valid, 1176 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 07:15:57,094 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [301 Valid, 1176 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 07:15:57,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 698 states. [2024-11-17 07:15:57,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 698 to 693. [2024-11-17 07:15:57,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 693 states, 660 states have (on average 1.3954545454545455) internal successors, (921), 675 states have internal predecessors, (921), 13 states have call successors, (13), 7 states have call predecessors, (13), 6 states have return successors, (13), 12 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-17 07:15:57,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 693 states and 947 transitions. [2024-11-17 07:15:57,112 INFO L78 Accepts]: Start accepts. Automaton has 693 states and 947 transitions. Word has length 84 [2024-11-17 07:15:57,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:15:57,113 INFO L471 AbstractCegarLoop]: Abstraction has 693 states and 947 transitions. [2024-11-17 07:15:57,113 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 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 07:15:57,113 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 947 transitions. [2024-11-17 07:15:57,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-17 07:15:57,114 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:15:57,114 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:15:57,115 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-17 07:15:57,115 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-17 07:15:57,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:15:57,115 INFO L85 PathProgramCache]: Analyzing trace with hash -1983943417, now seen corresponding path program 1 times [2024-11-17 07:15:57,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:15:57,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517877451] [2024-11-17 07:15:57,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:15:57,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:15:57,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:15:57,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-17 07:15:57,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:15:57,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-17 07:15:57,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:15:57,538 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:15:57,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:15:57,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517877451] [2024-11-17 07:15:57,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517877451] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:15:57,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [80860055] [2024-11-17 07:15:57,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:15:57,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:15:57,540 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:15:57,542 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 07:15:57,543 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 07:15:57,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:15:57,809 INFO L255 TraceCheckSpWp]: Trace formula consists of 508 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-17 07:15:57,814 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:15:57,913 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:15:57,914 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:15:57,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [80860055] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:15:57,914 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 07:15:57,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 11 [2024-11-17 07:15:57,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398146230] [2024-11-17 07:15:57,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:15:57,915 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 07:15:57,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:15:57,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 07:15:57,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-11-17 07:15:57,916 INFO L87 Difference]: Start difference. First operand 693 states and 947 transitions. Second operand has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 07:15:58,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:15:58,082 INFO L93 Difference]: Finished difference Result 1193 states and 1651 transitions. [2024-11-17 07:15:58,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 07:15:58,082 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 88 [2024-11-17 07:15:58,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:15:58,089 INFO L225 Difference]: With dead ends: 1193 [2024-11-17 07:15:58,089 INFO L226 Difference]: Without dead ends: 1192 [2024-11-17 07:15:58,090 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2024-11-17 07:15:58,091 INFO L432 NwaCegarLoop]: 505 mSDtfsCounter, 515 mSDsluCounter, 937 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 515 SdHoareTripleChecker+Valid, 1442 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 07:15:58,092 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [515 Valid, 1442 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 07:15:58,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1192 states. [2024-11-17 07:15:58,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1192 to 818. [2024-11-17 07:15:58,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 818 states, 783 states have (on average 1.3869731800766283) internal successors, (1086), 799 states have internal predecessors, (1086), 15 states have call successors, (15), 8 states have call predecessors, (15), 6 states have return successors, (15), 12 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-17 07:15:58,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 818 states and 1116 transitions. [2024-11-17 07:15:58,125 INFO L78 Accepts]: Start accepts. Automaton has 818 states and 1116 transitions. Word has length 88 [2024-11-17 07:15:58,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:15:58,125 INFO L471 AbstractCegarLoop]: Abstraction has 818 states and 1116 transitions. [2024-11-17 07:15:58,126 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 07:15:58,126 INFO L276 IsEmpty]: Start isEmpty. Operand 818 states and 1116 transitions. [2024-11-17 07:15:58,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-17 07:15:58,127 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:15:58,127 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-17 07:15:58,146 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 07:15:58,329 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,SelfDestructingSolverStorable7 [2024-11-17 07:15:58,330 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-17 07:15:58,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:15:58,331 INFO L85 PathProgramCache]: Analyzing trace with hash -1372703804, now seen corresponding path program 1 times [2024-11-17 07:15:58,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:15:58,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137403067] [2024-11-17 07:15:58,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:15:58,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:15:58,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:15:58,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-17 07:15:58,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:15:58,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-17 07:15:58,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:15:58,701 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:15:58,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:15:58,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137403067] [2024-11-17 07:15:58,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137403067] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:15:58,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [188584747] [2024-11-17 07:15:58,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:15:58,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:15:58,702 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:15:58,704 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 07:15:58,705 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 07:15:58,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:15:58,964 INFO L255 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-17 07:15:58,968 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:15:59,152 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:15:59,152 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 07:15:59,442 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:15:59,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [188584747] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 07:15:59,443 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 07:15:59,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 7] total 18 [2024-11-17 07:15:59,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675612964] [2024-11-17 07:15:59,443 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 07:15:59,444 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-17 07:15:59,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:15:59,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-17 07:15:59,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=269, Unknown=0, NotChecked=0, Total=342 [2024-11-17 07:15:59,446 INFO L87 Difference]: Start difference. First operand 818 states and 1116 transitions. Second operand has 19 states, 18 states have (on average 13.333333333333334) internal successors, (240), 15 states have internal predecessors, (240), 5 states have call successors, (8), 7 states have call predecessors, (8), 5 states have return successors, (6), 2 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-17 07:16:01,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:16:01,996 INFO L93 Difference]: Finished difference Result 3320 states and 4619 transitions. [2024-11-17 07:16:01,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-17 07:16:01,997 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 13.333333333333334) internal successors, (240), 15 states have internal predecessors, (240), 5 states have call successors, (8), 7 states have call predecessors, (8), 5 states have return successors, (6), 2 states have call predecessors, (6), 5 states have call successors, (6) Word has length 89 [2024-11-17 07:16:01,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:16:02,009 INFO L225 Difference]: With dead ends: 3320 [2024-11-17 07:16:02,010 INFO L226 Difference]: Without dead ends: 3318 [2024-11-17 07:16:02,012 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 462 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=565, Invalid=1415, Unknown=0, NotChecked=0, Total=1980 [2024-11-17 07:16:02,014 INFO L432 NwaCegarLoop]: 863 mSDtfsCounter, 3766 mSDsluCounter, 10617 mSDsCounter, 0 mSdLazyCounter, 1749 mSolverCounterSat, 186 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3776 SdHoareTripleChecker+Valid, 11480 SdHoareTripleChecker+Invalid, 1935 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 186 IncrementalHoareTripleChecker+Valid, 1749 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-17 07:16:02,014 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3776 Valid, 11480 Invalid, 1935 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [186 Valid, 1749 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-17 07:16:02,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3318 states. [2024-11-17 07:16:02,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3318 to 2495. [2024-11-17 07:16:02,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2495 states, 2414 states have (on average 1.3860811930405965) internal successors, (3346), 2432 states have internal predecessors, (3346), 50 states have call successors, (50), 21 states have call predecessors, (50), 17 states have return successors, (72), 41 states have call predecessors, (72), 50 states have call successors, (72) [2024-11-17 07:16:02,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2495 states to 2495 states and 3468 transitions. [2024-11-17 07:16:02,103 INFO L78 Accepts]: Start accepts. Automaton has 2495 states and 3468 transitions. Word has length 89 [2024-11-17 07:16:02,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:16:02,104 INFO L471 AbstractCegarLoop]: Abstraction has 2495 states and 3468 transitions. [2024-11-17 07:16:02,104 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 13.333333333333334) internal successors, (240), 15 states have internal predecessors, (240), 5 states have call successors, (8), 7 states have call predecessors, (8), 5 states have return successors, (6), 2 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-17 07:16:02,104 INFO L276 IsEmpty]: Start isEmpty. Operand 2495 states and 3468 transitions. [2024-11-17 07:16:02,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-17 07:16:02,105 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:16:02,105 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:16:02,123 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 07:16:02,306 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:16:02,306 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting alt_bzeroErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-17 07:16:02,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:16:02,307 INFO L85 PathProgramCache]: Analyzing trace with hash -204343991, now seen corresponding path program 1 times [2024-11-17 07:16:02,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:16:02,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113451942] [2024-11-17 07:16:02,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:16:02,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:16:02,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:02,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-17 07:16:02,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:02,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-17 07:16:02,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:02,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-17 07:16:02,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:02,657 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-17 07:16:02,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:16:02,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113451942] [2024-11-17 07:16:02,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113451942] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:16:02,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1469764563] [2024-11-17 07:16:02,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:16:02,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:16:02,658 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:16:02,660 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 07:16:02,661 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 07:16:02,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:02,984 INFO L255 TraceCheckSpWp]: Trace formula consists of 603 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-17 07:16:02,989 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:16:03,140 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:16:03,141 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 07:16:03,364 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-17 07:16:03,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1469764563] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-17 07:16:03,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-17 07:16:03,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7, 4] total 13 [2024-11-17 07:16:03,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439928239] [2024-11-17 07:16:03,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:16:03,366 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 07:16:03,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:16:03,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 07:16:03,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2024-11-17 07:16:03,367 INFO L87 Difference]: Start difference. First operand 2495 states and 3468 transitions. Second operand has 6 states, 5 states have (on average 17.0) internal successors, (85), 6 states have internal predecessors, (85), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-17 07:16:03,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:16:03,507 INFO L93 Difference]: Finished difference Result 2495 states and 3468 transitions. [2024-11-17 07:16:03,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 07:16:03,508 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.0) internal successors, (85), 6 states have internal predecessors, (85), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 99 [2024-11-17 07:16:03,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:16:03,517 INFO L225 Difference]: With dead ends: 2495 [2024-11-17 07:16:03,517 INFO L226 Difference]: Without dead ends: 2494 [2024-11-17 07:16:03,518 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 193 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2024-11-17 07:16:03,519 INFO L432 NwaCegarLoop]: 512 mSDtfsCounter, 1513 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1513 SdHoareTripleChecker+Valid, 512 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 07:16:03,520 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1513 Valid, 512 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 07:16:03,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2494 states. [2024-11-17 07:16:03,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2494 to 2494. [2024-11-17 07:16:03,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2494 states, 2414 states have (on average 1.384009942004971) internal successors, (3341), 2431 states have internal predecessors, (3341), 50 states have call successors, (50), 21 states have call predecessors, (50), 17 states have return successors, (72), 41 states have call predecessors, (72), 50 states have call successors, (72) [2024-11-17 07:16:03,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2494 states to 2494 states and 3463 transitions. [2024-11-17 07:16:03,608 INFO L78 Accepts]: Start accepts. Automaton has 2494 states and 3463 transitions. Word has length 99 [2024-11-17 07:16:03,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:16:03,608 INFO L471 AbstractCegarLoop]: Abstraction has 2494 states and 3463 transitions. [2024-11-17 07:16:03,609 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.0) internal successors, (85), 6 states have internal predecessors, (85), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-17 07:16:03,609 INFO L276 IsEmpty]: Start isEmpty. Operand 2494 states and 3463 transitions. [2024-11-17 07:16:03,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-17 07:16:03,610 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:16:03,610 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:16:03,629 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-17 07:16:03,811 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:16:03,811 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting alt_bzeroErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-17 07:16:03,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:16:03,812 INFO L85 PathProgramCache]: Analyzing trace with hash -2039696425, now seen corresponding path program 1 times [2024-11-17 07:16:03,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:16:03,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489092062] [2024-11-17 07:16:03,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:16:03,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:16:03,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:04,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-17 07:16:04,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:04,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-17 07:16:04,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:04,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-17 07:16:04,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:04,169 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-17 07:16:04,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:16:04,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489092062] [2024-11-17 07:16:04,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489092062] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:16:04,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [688883275] [2024-11-17 07:16:04,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:16:04,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:16:04,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:16:04,172 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 07:16:04,174 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 07:16:04,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:04,491 INFO L255 TraceCheckSpWp]: Trace formula consists of 604 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-17 07:16:04,496 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:16:04,638 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:16:04,638 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 07:16:04,844 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-17 07:16:04,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [688883275] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 07:16:04,844 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 07:16:04,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4, 5] total 13 [2024-11-17 07:16:04,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968571641] [2024-11-17 07:16:04,847 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 07:16:04,847 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-17 07:16:04,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:16:04,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-17 07:16:04,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2024-11-17 07:16:04,848 INFO L87 Difference]: Start difference. First operand 2494 states and 3463 transitions. Second operand has 14 states, 13 states have (on average 19.23076923076923) internal successors, (250), 12 states have internal predecessors, (250), 5 states have call successors, (11), 8 states have call predecessors, (11), 5 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-17 07:16:06,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:16:06,016 INFO L93 Difference]: Finished difference Result 4947 states and 6873 transitions. [2024-11-17 07:16:06,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-17 07:16:06,017 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 19.23076923076923) internal successors, (250), 12 states have internal predecessors, (250), 5 states have call successors, (11), 8 states have call predecessors, (11), 5 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) Word has length 100 [2024-11-17 07:16:06,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:16:06,036 INFO L225 Difference]: With dead ends: 4947 [2024-11-17 07:16:06,036 INFO L226 Difference]: Without dead ends: 4946 [2024-11-17 07:16:06,039 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 204 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=231, Invalid=471, Unknown=0, NotChecked=0, Total=702 [2024-11-17 07:16:06,040 INFO L432 NwaCegarLoop]: 474 mSDtfsCounter, 2694 mSDsluCounter, 3665 mSDsCounter, 0 mSdLazyCounter, 605 mSolverCounterSat, 160 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2703 SdHoareTripleChecker+Valid, 4139 SdHoareTripleChecker+Invalid, 765 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 160 IncrementalHoareTripleChecker+Valid, 605 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-17 07:16:06,040 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2703 Valid, 4139 Invalid, 765 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [160 Valid, 605 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-17 07:16:06,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4946 states. [2024-11-17 07:16:06,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4946 to 4556. [2024-11-17 07:16:06,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4556 states, 4400 states have (on average 1.3829545454545455) internal successors, (6085), 4420 states have internal predecessors, (6085), 99 states have call successors, (99), 50 states have call predecessors, (99), 44 states have return successors, (137), 85 states have call predecessors, (137), 99 states have call successors, (137) [2024-11-17 07:16:06,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4556 states to 4556 states and 6321 transitions. [2024-11-17 07:16:06,192 INFO L78 Accepts]: Start accepts. Automaton has 4556 states and 6321 transitions. Word has length 100 [2024-11-17 07:16:06,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:16:06,193 INFO L471 AbstractCegarLoop]: Abstraction has 4556 states and 6321 transitions. [2024-11-17 07:16:06,193 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 19.23076923076923) internal successors, (250), 12 states have internal predecessors, (250), 5 states have call successors, (11), 8 states have call predecessors, (11), 5 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-17 07:16:06,193 INFO L276 IsEmpty]: Start isEmpty. Operand 4556 states and 6321 transitions. [2024-11-17 07:16:06,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-17 07:16:06,196 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:16:06,196 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:16:06,215 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 07:16:06,397 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,SelfDestructingSolverStorable10 [2024-11-17 07:16:06,397 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-17 07:16:06,397 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:16:06,398 INFO L85 PathProgramCache]: Analyzing trace with hash 1177020072, now seen corresponding path program 1 times [2024-11-17 07:16:06,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:16:06,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121336979] [2024-11-17 07:16:06,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:16:06,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:16:06,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:06,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-17 07:16:06,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:06,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-17 07:16:06,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:06,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-17 07:16:06,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:06,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-17 07:16:06,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:06,800 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-17 07:16:06,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:16:06,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121336979] [2024-11-17 07:16:06,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [121336979] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:16:06,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:16:06,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 07:16:06,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407464080] [2024-11-17 07:16:06,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:16:06,802 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 07:16:06,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:16:06,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 07:16:06,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-17 07:16:06,807 INFO L87 Difference]: Start difference. First operand 4556 states and 6321 transitions. Second operand has 6 states, 5 states have (on average 21.0) internal successors, (105), 4 states have internal predecessors, (105), 1 states have call successors, (4), 2 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 07:16:07,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:16:07,561 INFO L93 Difference]: Finished difference Result 6129 states and 8567 transitions. [2024-11-17 07:16:07,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 07:16:07,561 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 21.0) internal successors, (105), 4 states have internal predecessors, (105), 1 states have call successors, (4), 2 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 127 [2024-11-17 07:16:07,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:16:07,587 INFO L225 Difference]: With dead ends: 6129 [2024-11-17 07:16:07,587 INFO L226 Difference]: Without dead ends: 6127 [2024-11-17 07:16:07,591 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-17 07:16:07,592 INFO L432 NwaCegarLoop]: 460 mSDtfsCounter, 449 mSDsluCounter, 1703 mSDsCounter, 0 mSdLazyCounter, 511 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 455 SdHoareTripleChecker+Valid, 2163 SdHoareTripleChecker+Invalid, 546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 511 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-17 07:16:07,592 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [455 Valid, 2163 Invalid, 546 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 511 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-17 07:16:07,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6127 states. [2024-11-17 07:16:07,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6127 to 4726. [2024-11-17 07:16:07,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4726 states, 4561 states have (on average 1.3779872834904625) internal successors, (6285), 4582 states have internal predecessors, (6285), 108 states have call successors, (108), 50 states have call predecessors, (108), 44 states have return successors, (149), 93 states have call predecessors, (149), 108 states have call successors, (149) [2024-11-17 07:16:07,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4726 states to 4726 states and 6542 transitions. [2024-11-17 07:16:07,785 INFO L78 Accepts]: Start accepts. Automaton has 4726 states and 6542 transitions. Word has length 127 [2024-11-17 07:16:07,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:16:07,786 INFO L471 AbstractCegarLoop]: Abstraction has 4726 states and 6542 transitions. [2024-11-17 07:16:07,786 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 21.0) internal successors, (105), 4 states have internal predecessors, (105), 1 states have call successors, (4), 2 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 07:16:07,786 INFO L276 IsEmpty]: Start isEmpty. Operand 4726 states and 6542 transitions. [2024-11-17 07:16:07,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-17 07:16:07,787 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:16:07,788 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:16:07,788 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-17 07:16:07,788 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-17 07:16:07,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:16:07,789 INFO L85 PathProgramCache]: Analyzing trace with hash -834084925, now seen corresponding path program 1 times [2024-11-17 07:16:07,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:16:07,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854306001] [2024-11-17 07:16:07,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:16:07,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:16:07,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:08,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-17 07:16:08,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:08,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-17 07:16:08,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:08,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-17 07:16:08,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:08,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-17 07:16:08,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:08,177 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-17 07:16:08,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:16:08,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854306001] [2024-11-17 07:16:08,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [854306001] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:16:08,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [741668740] [2024-11-17 07:16:08,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:16:08,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:16:08,178 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:16:08,180 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 07:16:08,181 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 07:16:08,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:08,559 INFO L255 TraceCheckSpWp]: Trace formula consists of 797 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-17 07:16:08,562 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:16:08,685 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-17 07:16:08,685 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:16:08,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [741668740] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:16:08,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 07:16:08,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 12 [2024-11-17 07:16:08,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297631243] [2024-11-17 07:16:08,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:16:08,687 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 07:16:08,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:16:08,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 07:16:08,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-17 07:16:08,688 INFO L87 Difference]: Start difference. First operand 4726 states and 6542 transitions. Second operand has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 5 states have internal predecessors, (120), 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 07:16:09,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:16:09,068 INFO L93 Difference]: Finished difference Result 8901 states and 12375 transitions. [2024-11-17 07:16:09,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-17 07:16:09,068 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 5 states have internal predecessors, (120), 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 135 [2024-11-17 07:16:09,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:16:09,091 INFO L225 Difference]: With dead ends: 8901 [2024-11-17 07:16:09,095 INFO L226 Difference]: Without dead ends: 4509 [2024-11-17 07:16:09,103 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2024-11-17 07:16:09,104 INFO L432 NwaCegarLoop]: 490 mSDtfsCounter, 90 mSDsluCounter, 2374 mSDsCounter, 0 mSdLazyCounter, 392 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 2864 SdHoareTripleChecker+Invalid, 402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 392 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 07:16:09,104 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 2864 Invalid, 402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 392 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 07:16:09,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4509 states. [2024-11-17 07:16:09,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4509 to 4509. [2024-11-17 07:16:09,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4509 states, 4361 states have (on average 1.3831689979362531) internal successors, (6032), 4380 states have internal predecessors, (6032), 97 states have call successors, (97), 44 states have call predecessors, (97), 38 states have return successors, (132), 84 states have call predecessors, (132), 97 states have call successors, (132) [2024-11-17 07:16:09,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4509 states to 4509 states and 6261 transitions. [2024-11-17 07:16:09,244 INFO L78 Accepts]: Start accepts. Automaton has 4509 states and 6261 transitions. Word has length 135 [2024-11-17 07:16:09,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:16:09,245 INFO L471 AbstractCegarLoop]: Abstraction has 4509 states and 6261 transitions. [2024-11-17 07:16:09,245 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 5 states have internal predecessors, (120), 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 07:16:09,245 INFO L276 IsEmpty]: Start isEmpty. Operand 4509 states and 6261 transitions. [2024-11-17 07:16:09,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-17 07:16:09,247 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:16:09,247 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:16:09,266 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-17 07:16:09,447 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:16:09,448 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-17 07:16:09,448 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:16:09,448 INFO L85 PathProgramCache]: Analyzing trace with hash -1842438886, now seen corresponding path program 1 times [2024-11-17 07:16:09,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:16:09,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847357551] [2024-11-17 07:16:09,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:16:09,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:16:09,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:09,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-17 07:16:09,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:09,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 07:16:09,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:09,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-17 07:16:09,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:10,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-17 07:16:10,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:10,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-17 07:16:10,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:10,040 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-17 07:16:10,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:16:10,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847357551] [2024-11-17 07:16:10,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847357551] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:16:10,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1212454367] [2024-11-17 07:16:10,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:16:10,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:16:10,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:16:10,042 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 07:16:10,044 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 07:16:10,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:10,447 INFO L255 TraceCheckSpWp]: Trace formula consists of 807 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-17 07:16:10,452 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:16:10,456 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-17 07:16:10,477 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-17 07:16:10,498 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2024-11-17 07:16:11,217 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-17 07:16:11,217 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:16:11,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1212454367] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:16:11,218 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 07:16:11,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [7] total 16 [2024-11-17 07:16:11,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493707273] [2024-11-17 07:16:11,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:16:11,219 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-17 07:16:11,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:16:11,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-17 07:16:11,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2024-11-17 07:16:11,220 INFO L87 Difference]: Start difference. First operand 4509 states and 6261 transitions. Second operand has 11 states, 11 states have (on average 10.636363636363637) internal successors, (117), 11 states have internal predecessors, (117), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-17 07:16:12,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:16:12,648 INFO L93 Difference]: Finished difference Result 10383 states and 14494 transitions. [2024-11-17 07:16:12,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-17 07:16:12,649 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.636363636363637) internal successors, (117), 11 states have internal predecessors, (117), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 140 [2024-11-17 07:16:12,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:16:12,663 INFO L225 Difference]: With dead ends: 10383 [2024-11-17 07:16:12,664 INFO L226 Difference]: Without dead ends: 5923 [2024-11-17 07:16:12,673 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 138 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=105, Invalid=447, Unknown=0, NotChecked=0, Total=552 [2024-11-17 07:16:12,674 INFO L432 NwaCegarLoop]: 495 mSDtfsCounter, 614 mSDsluCounter, 2915 mSDsCounter, 0 mSdLazyCounter, 1067 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 621 SdHoareTripleChecker+Valid, 3410 SdHoareTripleChecker+Invalid, 1074 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1067 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-17 07:16:12,674 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [621 Valid, 3410 Invalid, 1074 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1067 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-17 07:16:12,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5923 states. [2024-11-17 07:16:12,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5923 to 4509. [2024-11-17 07:16:12,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4509 states, 4361 states have (on average 1.382939692731025) internal successors, (6031), 4380 states have internal predecessors, (6031), 97 states have call successors, (97), 44 states have call predecessors, (97), 38 states have return successors, (132), 84 states have call predecessors, (132), 97 states have call successors, (132) [2024-11-17 07:16:12,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4509 states to 4509 states and 6260 transitions. [2024-11-17 07:16:12,875 INFO L78 Accepts]: Start accepts. Automaton has 4509 states and 6260 transitions. Word has length 140 [2024-11-17 07:16:12,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:16:12,875 INFO L471 AbstractCegarLoop]: Abstraction has 4509 states and 6260 transitions. [2024-11-17 07:16:12,876 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.636363636363637) internal successors, (117), 11 states have internal predecessors, (117), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-17 07:16:12,876 INFO L276 IsEmpty]: Start isEmpty. Operand 4509 states and 6260 transitions. [2024-11-17 07:16:12,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-17 07:16:12,877 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:16:12,878 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:16:12,898 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-17 07:16:13,078 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:16:13,079 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-17 07:16:13,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:16:13,079 INFO L85 PathProgramCache]: Analyzing trace with hash -1169330390, now seen corresponding path program 1 times [2024-11-17 07:16:13,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:16:13,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353218260] [2024-11-17 07:16:13,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:16:13,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:16:13,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:13,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-17 07:16:13,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:13,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 07:16:13,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:13,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-17 07:16:13,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:13,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-17 07:16:13,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:13,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-17 07:16:13,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:13,504 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-17 07:16:13,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:16:13,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353218260] [2024-11-17 07:16:13,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353218260] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:16:13,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2112913796] [2024-11-17 07:16:13,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:16:13,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:16:13,505 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:16:13,507 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 07:16:13,508 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-17 07:16:14,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:14,054 INFO L255 TraceCheckSpWp]: Trace formula consists of 808 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-17 07:16:14,058 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:16:14,163 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:16:14,164 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:16:14,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2112913796] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:16:14,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 07:16:14,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [7] total 13 [2024-11-17 07:16:14,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142138523] [2024-11-17 07:16:14,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:16:14,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-17 07:16:14,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:16:14,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-17 07:16:14,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2024-11-17 07:16:14,166 INFO L87 Difference]: Start difference. First operand 4509 states and 6260 transitions. Second operand has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 9 states have internal predecessors, (131), 3 states have call successors, (5), 2 states have call predecessors, (5), 4 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-17 07:16:14,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:16:14,467 INFO L93 Difference]: Finished difference Result 7232 states and 10038 transitions. [2024-11-17 07:16:14,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-17 07:16:14,468 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 9 states have internal predecessors, (131), 3 states have call successors, (5), 2 states have call predecessors, (5), 4 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 141 [2024-11-17 07:16:14,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:16:14,478 INFO L225 Difference]: With dead ends: 7232 [2024-11-17 07:16:14,478 INFO L226 Difference]: Without dead ends: 2813 [2024-11-17 07:16:14,485 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-11-17 07:16:14,487 INFO L432 NwaCegarLoop]: 507 mSDtfsCounter, 14 mSDsluCounter, 3515 mSDsCounter, 0 mSdLazyCounter, 363 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 4022 SdHoareTripleChecker+Invalid, 369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 363 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 07:16:14,487 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 4022 Invalid, 369 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 363 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 07:16:14,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2813 states. [2024-11-17 07:16:14,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2813 to 2811. [2024-11-17 07:16:14,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2811 states, 2709 states have (on average 1.3820598006644518) internal successors, (3744), 2725 states have internal predecessors, (3744), 54 states have call successors, (54), 38 states have call predecessors, (54), 35 states have return successors, (65), 47 states have call predecessors, (65), 54 states have call successors, (65) [2024-11-17 07:16:14,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2811 states to 2811 states and 3863 transitions. [2024-11-17 07:16:14,566 INFO L78 Accepts]: Start accepts. Automaton has 2811 states and 3863 transitions. Word has length 141 [2024-11-17 07:16:14,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:16:14,566 INFO L471 AbstractCegarLoop]: Abstraction has 2811 states and 3863 transitions. [2024-11-17 07:16:14,567 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 9 states have internal predecessors, (131), 3 states have call successors, (5), 2 states have call predecessors, (5), 4 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-17 07:16:14,567 INFO L276 IsEmpty]: Start isEmpty. Operand 2811 states and 3863 transitions. [2024-11-17 07:16:14,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-17 07:16:14,568 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:16:14,568 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:16:14,588 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-17 07:16:14,769 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-17 07:16:14,769 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-17 07:16:14,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:16:14,770 INFO L85 PathProgramCache]: Analyzing trace with hash 30990664, now seen corresponding path program 1 times [2024-11-17 07:16:14,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:16:14,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140467125] [2024-11-17 07:16:14,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:16:14,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:16:15,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:15,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-17 07:16:15,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:15,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 07:16:15,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:15,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-17 07:16:15,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:15,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-17 07:16:15,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:15,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-17 07:16:15,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:15,507 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-17 07:16:15,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:16:15,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140467125] [2024-11-17 07:16:15,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [140467125] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:16:15,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [757507605] [2024-11-17 07:16:15,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:16:15,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:16:15,508 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:16:15,510 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 07:16:15,512 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-17 07:16:15,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:15,987 INFO L255 TraceCheckSpWp]: Trace formula consists of 838 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-17 07:16:15,990 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:16:16,100 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 25 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-17 07:16:16,100 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 07:16:16,242 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-17 07:16:16,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [757507605] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 07:16:16,243 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 07:16:16,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10, 6] total 18 [2024-11-17 07:16:16,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185023096] [2024-11-17 07:16:16,243 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 07:16:16,244 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-17 07:16:16,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:16:16,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-17 07:16:16,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2024-11-17 07:16:16,245 INFO L87 Difference]: Start difference. First operand 2811 states and 3863 transitions. Second operand has 18 states, 18 states have (on average 9.222222222222221) internal successors, (166), 16 states have internal predecessors, (166), 3 states have call successors, (12), 4 states have call predecessors, (12), 6 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-17 07:16:17,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:16:17,523 INFO L93 Difference]: Finished difference Result 5598 states and 7721 transitions. [2024-11-17 07:16:17,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-17 07:16:17,523 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 9.222222222222221) internal successors, (166), 16 states have internal predecessors, (166), 3 states have call successors, (12), 4 states have call predecessors, (12), 6 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 143 [2024-11-17 07:16:17,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:16:17,530 INFO L225 Difference]: With dead ends: 5598 [2024-11-17 07:16:17,530 INFO L226 Difference]: Without dead ends: 2886 [2024-11-17 07:16:17,534 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 288 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 292 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=251, Invalid=1309, Unknown=0, NotChecked=0, Total=1560 [2024-11-17 07:16:17,534 INFO L432 NwaCegarLoop]: 480 mSDtfsCounter, 98 mSDsluCounter, 5102 mSDsCounter, 0 mSdLazyCounter, 1012 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 5582 SdHoareTripleChecker+Invalid, 1042 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1012 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-17 07:16:17,534 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 5582 Invalid, 1042 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1012 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-17 07:16:17,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2886 states. [2024-11-17 07:16:17,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2886 to 2854. [2024-11-17 07:16:17,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2854 states, 2751 states have (on average 1.3820428934932751) internal successors, (3802), 2764 states have internal predecessors, (3802), 54 states have call successors, (54), 42 states have call predecessors, (54), 36 states have return successors, (61), 47 states have call predecessors, (61), 54 states have call successors, (61) [2024-11-17 07:16:17,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2854 states to 2854 states and 3917 transitions. [2024-11-17 07:16:17,618 INFO L78 Accepts]: Start accepts. Automaton has 2854 states and 3917 transitions. Word has length 143 [2024-11-17 07:16:17,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:16:17,619 INFO L471 AbstractCegarLoop]: Abstraction has 2854 states and 3917 transitions. [2024-11-17 07:16:17,619 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 9.222222222222221) internal successors, (166), 16 states have internal predecessors, (166), 3 states have call successors, (12), 4 states have call predecessors, (12), 6 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-17 07:16:17,619 INFO L276 IsEmpty]: Start isEmpty. Operand 2854 states and 3917 transitions. [2024-11-17 07:16:17,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-17 07:16:17,620 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:16:17,620 INFO L215 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:16:17,642 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-17 07:16:17,821 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-17 07:16:17,821 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-17 07:16:17,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:16:17,822 INFO L85 PathProgramCache]: Analyzing trace with hash -2000257206, now seen corresponding path program 2 times [2024-11-17 07:16:17,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:16:17,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586055753] [2024-11-17 07:16:17,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:16:17,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:16:18,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:18,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-17 07:16:18,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:18,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 07:16:18,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:18,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-17 07:16:18,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:18,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-17 07:16:18,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:18,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-17 07:16:18,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:18,570 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 6 proven. 31 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-17 07:16:18,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:16:18,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586055753] [2024-11-17 07:16:18,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586055753] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:16:18,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1834240425] [2024-11-17 07:16:18,570 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 07:16:18,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:16:18,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:16:18,573 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 07:16:18,574 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-17 07:16:18,930 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-17 07:16:18,930 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 07:16:18,932 INFO L255 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 07:16:18,934 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:16:18,942 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-17 07:16:18,954 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-17 07:16:18,954 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:16:18,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1834240425] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:16:18,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 07:16:18,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [11] total 12 [2024-11-17 07:16:18,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528243294] [2024-11-17 07:16:18,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:16:18,956 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 07:16:18,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:16:18,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 07:16:18,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-17 07:16:18,957 INFO L87 Difference]: Start difference. First operand 2854 states and 3917 transitions. Second operand has 3 states, 2 states have (on average 57.5) internal successors, (115), 3 states have internal predecessors, (115), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-17 07:16:19,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:16:19,061 INFO L93 Difference]: Finished difference Result 2854 states and 3917 transitions. [2024-11-17 07:16:19,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 07:16:19,062 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 57.5) internal successors, (115), 3 states have internal predecessors, (115), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 147 [2024-11-17 07:16:19,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:16:19,068 INFO L225 Difference]: With dead ends: 2854 [2024-11-17 07:16:19,068 INFO L226 Difference]: Without dead ends: 2853 [2024-11-17 07:16:19,069 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-17 07:16:19,070 INFO L432 NwaCegarLoop]: 511 mSDtfsCounter, 2 mSDsluCounter, 509 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1020 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 07:16:19,070 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1020 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 07:16:19,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2853 states. [2024-11-17 07:16:19,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2853 to 2853. [2024-11-17 07:16:19,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2853 states, 2751 states have (on average 1.3798618684114867) internal successors, (3796), 2763 states have internal predecessors, (3796), 54 states have call successors, (54), 42 states have call predecessors, (54), 36 states have return successors, (61), 47 states have call predecessors, (61), 54 states have call successors, (61) [2024-11-17 07:16:19,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2853 states to 2853 states and 3911 transitions. [2024-11-17 07:16:19,146 INFO L78 Accepts]: Start accepts. Automaton has 2853 states and 3911 transitions. Word has length 147 [2024-11-17 07:16:19,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:16:19,147 INFO L471 AbstractCegarLoop]: Abstraction has 2853 states and 3911 transitions. [2024-11-17 07:16:19,147 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 57.5) internal successors, (115), 3 states have internal predecessors, (115), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-17 07:16:19,147 INFO L276 IsEmpty]: Start isEmpty. Operand 2853 states and 3911 transitions. [2024-11-17 07:16:19,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-17 07:16:19,148 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:16:19,148 INFO L215 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:16:19,169 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-17 07:16:19,352 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-17 07:16:19,353 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-17 07:16:19,353 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:16:19,354 INFO L85 PathProgramCache]: Analyzing trace with hash -1878430521, now seen corresponding path program 1 times [2024-11-17 07:16:19,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:16:19,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582945229] [2024-11-17 07:16:19,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:16:19,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:16:19,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:19,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-17 07:16:19,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:19,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 07:16:19,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:19,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-17 07:16:19,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:20,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-17 07:16:20,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:20,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-17 07:16:20,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:20,059 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 7 proven. 31 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-17 07:16:20,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:16:20,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582945229] [2024-11-17 07:16:20,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582945229] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:16:20,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2101259371] [2024-11-17 07:16:20,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:16:20,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:16:20,061 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:16:20,063 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 07:16:20,064 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-17 07:16:20,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:20,551 INFO L255 TraceCheckSpWp]: Trace formula consists of 899 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-17 07:16:20,555 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:16:20,737 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 37 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-17 07:16:20,737 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 07:16:21,009 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 7 proven. 31 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-17 07:16:21,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2101259371] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 07:16:21,009 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 07:16:21,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 14, 9] total 28 [2024-11-17 07:16:21,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730584480] [2024-11-17 07:16:21,010 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 07:16:21,010 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-17 07:16:21,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:16:21,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-17 07:16:21,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=626, Unknown=0, NotChecked=0, Total=756 [2024-11-17 07:16:21,016 INFO L87 Difference]: Start difference. First operand 2853 states and 3911 transitions. Second operand has 28 states, 28 states have (on average 6.392857142857143) internal successors, (179), 26 states have internal predecessors, (179), 3 states have call successors, (12), 4 states have call predecessors, (12), 6 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-17 07:16:23,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:16:23,036 INFO L93 Difference]: Finished difference Result 5689 states and 7835 transitions. [2024-11-17 07:16:23,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-17 07:16:23,037 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 6.392857142857143) internal successors, (179), 26 states have internal predecessors, (179), 3 states have call successors, (12), 4 states have call predecessors, (12), 6 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 148 [2024-11-17 07:16:23,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:16:23,046 INFO L225 Difference]: With dead ends: 5689 [2024-11-17 07:16:23,046 INFO L226 Difference]: Without dead ends: 2920 [2024-11-17 07:16:23,052 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 291 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 654 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=527, Invalid=2779, Unknown=0, NotChecked=0, Total=3306 [2024-11-17 07:16:23,053 INFO L432 NwaCegarLoop]: 467 mSDtfsCounter, 136 mSDsluCounter, 8151 mSDsCounter, 0 mSdLazyCounter, 1984 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 8618 SdHoareTripleChecker+Invalid, 2028 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 1984 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-17 07:16:23,053 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 8618 Invalid, 2028 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 1984 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-17 07:16:23,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2920 states. [2024-11-17 07:16:23,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2920 to 2898. [2024-11-17 07:16:23,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2898 states, 2796 states have (on average 1.3748211731044349) internal successors, (3844), 2808 states have internal predecessors, (3844), 54 states have call successors, (54), 42 states have call predecessors, (54), 36 states have return successors, (61), 47 states have call predecessors, (61), 54 states have call successors, (61) [2024-11-17 07:16:23,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2898 states to 2898 states and 3959 transitions. [2024-11-17 07:16:23,152 INFO L78 Accepts]: Start accepts. Automaton has 2898 states and 3959 transitions. Word has length 148 [2024-11-17 07:16:23,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:16:23,153 INFO L471 AbstractCegarLoop]: Abstraction has 2898 states and 3959 transitions. [2024-11-17 07:16:23,153 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 6.392857142857143) internal successors, (179), 26 states have internal predecessors, (179), 3 states have call successors, (12), 4 states have call predecessors, (12), 6 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-17 07:16:23,153 INFO L276 IsEmpty]: Start isEmpty. Operand 2898 states and 3959 transitions. [2024-11-17 07:16:23,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-17 07:16:23,155 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:16:23,155 INFO L215 NwaCegarLoop]: trace histogram [15, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:16:23,175 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-17 07:16:23,355 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-17 07:16:23,356 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-17 07:16:23,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:16:23,356 INFO L85 PathProgramCache]: Analyzing trace with hash -1572527256, now seen corresponding path program 2 times [2024-11-17 07:16:23,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:16:23,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702194681] [2024-11-17 07:16:23,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:16:23,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:16:23,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:24,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-17 07:16:24,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:24,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 07:16:24,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:24,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-17 07:16:24,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:24,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-17 07:16:24,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:24,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-17 07:16:24,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:24,485 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 7 proven. 127 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 07:16:24,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:16:24,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702194681] [2024-11-17 07:16:24,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702194681] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:16:24,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1987439420] [2024-11-17 07:16:24,486 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 07:16:24,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:16:24,486 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:16:24,493 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 07:16:24,494 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-17 07:16:25,331 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 07:16:25,331 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 07:16:25,336 INFO L255 TraceCheckSpWp]: Trace formula consists of 1034 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-17 07:16:25,338 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:16:25,613 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2024-11-17 07:16:25,613 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:16:25,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1987439420] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:16:25,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 07:16:25,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [17] total 22 [2024-11-17 07:16:25,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650573460] [2024-11-17 07:16:25,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:16:25,615 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 07:16:25,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:16:25,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 07:16:25,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=411, Unknown=0, NotChecked=0, Total=462 [2024-11-17 07:16:25,616 INFO L87 Difference]: Start difference. First operand 2898 states and 3959 transitions. Second operand has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 states have internal predecessors, (120), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-17 07:16:26,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:16:26,022 INFO L93 Difference]: Finished difference Result 5782 states and 7919 transitions. [2024-11-17 07:16:26,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 07:16:26,022 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 states have internal predecessors, (120), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 157 [2024-11-17 07:16:26,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:16:26,030 INFO L225 Difference]: With dead ends: 5782 [2024-11-17 07:16:26,030 INFO L226 Difference]: Without dead ends: 2933 [2024-11-17 07:16:26,034 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=51, Invalid=411, Unknown=0, NotChecked=0, Total=462 [2024-11-17 07:16:26,035 INFO L432 NwaCegarLoop]: 497 mSDtfsCounter, 15 mSDsluCounter, 2197 mSDsCounter, 0 mSdLazyCounter, 546 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 2694 SdHoareTripleChecker+Invalid, 548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 546 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 07:16:26,035 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 2694 Invalid, 548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 546 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 07:16:26,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2933 states. [2024-11-17 07:16:26,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2933 to 2926. [2024-11-17 07:16:26,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2926 states, 2824 states have (on average 1.3711048158640227) internal successors, (3872), 2836 states have internal predecessors, (3872), 54 states have call successors, (54), 42 states have call predecessors, (54), 36 states have return successors, (61), 47 states have call predecessors, (61), 54 states have call successors, (61) [2024-11-17 07:16:26,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2926 states to 2926 states and 3987 transitions. [2024-11-17 07:16:26,174 INFO L78 Accepts]: Start accepts. Automaton has 2926 states and 3987 transitions. Word has length 157 [2024-11-17 07:16:26,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:16:26,174 INFO L471 AbstractCegarLoop]: Abstraction has 2926 states and 3987 transitions. [2024-11-17 07:16:26,174 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 states have internal predecessors, (120), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-17 07:16:26,174 INFO L276 IsEmpty]: Start isEmpty. Operand 2926 states and 3987 transitions. [2024-11-17 07:16:26,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-17 07:16:26,176 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:16:26,176 INFO L215 NwaCegarLoop]: trace histogram [15, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:16:26,198 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-17 07:16:26,376 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:16:26,377 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-17 07:16:26,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:16:26,378 INFO L85 PathProgramCache]: Analyzing trace with hash -1273018541, now seen corresponding path program 1 times [2024-11-17 07:16:26,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:16:26,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568264263] [2024-11-17 07:16:26,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:16:26,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:16:26,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:26,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-17 07:16:26,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:26,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 07:16:26,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:26,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-17 07:16:26,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:26,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-17 07:16:26,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:26,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-17 07:16:26,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:26,835 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2024-11-17 07:16:26,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:16:26,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568264263] [2024-11-17 07:16:26,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568264263] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:16:26,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:16:26,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-17 07:16:26,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583486522] [2024-11-17 07:16:26,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:16:26,836 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-17 07:16:26,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:16:26,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-17 07:16:26,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-17 07:16:26,837 INFO L87 Difference]: Start difference. First operand 2926 states and 3987 transitions. Second operand has 8 states, 8 states have (on average 15.25) internal successors, (122), 6 states have internal predecessors, (122), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 07:16:27,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:16:27,602 INFO L93 Difference]: Finished difference Result 5821 states and 7950 transitions. [2024-11-17 07:16:27,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-17 07:16:27,603 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 15.25) internal successors, (122), 6 states have internal predecessors, (122), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 159 [2024-11-17 07:16:27,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:16:27,615 INFO L225 Difference]: With dead ends: 5821 [2024-11-17 07:16:27,615 INFO L226 Difference]: Without dead ends: 2947 [2024-11-17 07:16:27,619 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-17 07:16:27,620 INFO L432 NwaCegarLoop]: 472 mSDtfsCounter, 57 mSDsluCounter, 2425 mSDsCounter, 0 mSdLazyCounter, 825 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 2897 SdHoareTripleChecker+Invalid, 845 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 825 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-17 07:16:27,621 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 2897 Invalid, 845 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 825 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-17 07:16:27,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2947 states. [2024-11-17 07:16:27,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2947 to 2947. [2024-11-17 07:16:27,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2947 states, 2845 states have (on average 1.3683655536028119) internal successors, (3893), 2857 states have internal predecessors, (3893), 54 states have call successors, (54), 42 states have call predecessors, (54), 36 states have return successors, (61), 47 states have call predecessors, (61), 54 states have call successors, (61) [2024-11-17 07:16:27,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2947 states to 2947 states and 4008 transitions. [2024-11-17 07:16:27,771 INFO L78 Accepts]: Start accepts. Automaton has 2947 states and 4008 transitions. Word has length 159 [2024-11-17 07:16:27,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:16:27,772 INFO L471 AbstractCegarLoop]: Abstraction has 2947 states and 4008 transitions. [2024-11-17 07:16:27,772 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 15.25) internal successors, (122), 6 states have internal predecessors, (122), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 07:16:27,772 INFO L276 IsEmpty]: Start isEmpty. Operand 2947 states and 4008 transitions. [2024-11-17 07:16:27,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-17 07:16:27,773 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:16:27,774 INFO L215 NwaCegarLoop]: trace histogram [15, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:16:27,774 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-17 07:16:27,774 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-17 07:16:27,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:16:27,775 INFO L85 PathProgramCache]: Analyzing trace with hash 1776517004, now seen corresponding path program 1 times [2024-11-17 07:16:27,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:16:27,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319387786] [2024-11-17 07:16:27,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:16:27,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:16:27,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:28,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-17 07:16:28,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:28,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 07:16:28,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:28,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-17 07:16:28,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:28,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-17 07:16:28,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:28,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-17 07:16:28,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:28,232 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2024-11-17 07:16:28,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:16:28,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319387786] [2024-11-17 07:16:28,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [319387786] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:16:28,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:16:28,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-17 07:16:28,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575933715] [2024-11-17 07:16:28,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:16:28,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-17 07:16:28,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:16:28,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-17 07:16:28,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-17 07:16:28,234 INFO L87 Difference]: Start difference. First operand 2947 states and 4008 transitions. Second operand has 9 states, 9 states have (on average 13.555555555555555) internal successors, (122), 7 states have internal predecessors, (122), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 07:16:29,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:16:29,028 INFO L93 Difference]: Finished difference Result 5863 states and 7994 transitions. [2024-11-17 07:16:29,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-17 07:16:29,029 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.555555555555555) internal successors, (122), 7 states have internal predecessors, (122), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 159 [2024-11-17 07:16:29,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:16:29,037 INFO L225 Difference]: With dead ends: 5863 [2024-11-17 07:16:29,037 INFO L226 Difference]: Without dead ends: 2982 [2024-11-17 07:16:29,041 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-17 07:16:29,042 INFO L432 NwaCegarLoop]: 464 mSDtfsCounter, 61 mSDsluCounter, 2806 mSDsCounter, 0 mSdLazyCounter, 995 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 3270 SdHoareTripleChecker+Invalid, 1015 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 995 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-17 07:16:29,042 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 3270 Invalid, 1015 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 995 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-17 07:16:29,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2982 states. [2024-11-17 07:16:29,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2982 to 2947. [2024-11-17 07:16:29,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2947 states, 2845 states have (on average 1.3683655536028119) internal successors, (3893), 2857 states have internal predecessors, (3893), 54 states have call successors, (54), 42 states have call predecessors, (54), 36 states have return successors, (61), 47 states have call predecessors, (61), 54 states have call successors, (61) [2024-11-17 07:16:29,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2947 states to 2947 states and 4008 transitions. [2024-11-17 07:16:29,137 INFO L78 Accepts]: Start accepts. Automaton has 2947 states and 4008 transitions. Word has length 159 [2024-11-17 07:16:29,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:16:29,137 INFO L471 AbstractCegarLoop]: Abstraction has 2947 states and 4008 transitions. [2024-11-17 07:16:29,137 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.555555555555555) internal successors, (122), 7 states have internal predecessors, (122), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 07:16:29,137 INFO L276 IsEmpty]: Start isEmpty. Operand 2947 states and 4008 transitions. [2024-11-17 07:16:29,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-17 07:16:29,138 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:16:29,138 INFO L215 NwaCegarLoop]: trace histogram [15, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:16:29,139 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-17 07:16:29,139 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-17 07:16:29,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:16:29,139 INFO L85 PathProgramCache]: Analyzing trace with hash 257201538, now seen corresponding path program 1 times [2024-11-17 07:16:29,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:16:29,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443401231] [2024-11-17 07:16:29,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:16:29,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:16:29,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:29,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-17 07:16:29,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:29,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 07:16:29,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:29,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-17 07:16:29,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:29,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-17 07:16:29,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:29,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-17 07:16:29,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:29,766 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2024-11-17 07:16:29,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:16:29,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443401231] [2024-11-17 07:16:29,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443401231] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:16:29,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:16:29,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-17 07:16:29,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109152290] [2024-11-17 07:16:29,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:16:29,767 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-17 07:16:29,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:16:29,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-17 07:16:29,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-17 07:16:29,769 INFO L87 Difference]: Start difference. First operand 2947 states and 4008 transitions. Second operand has 11 states, 11 states have (on average 11.181818181818182) internal successors, (123), 9 states have internal predecessors, (123), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 07:16:30,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:16:30,518 INFO L93 Difference]: Finished difference Result 5893 states and 8028 transitions. [2024-11-17 07:16:30,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-17 07:16:30,518 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 11.181818181818182) internal successors, (123), 9 states have internal predecessors, (123), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 160 [2024-11-17 07:16:30,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:16:30,526 INFO L225 Difference]: With dead ends: 5893 [2024-11-17 07:16:30,526 INFO L226 Difference]: Without dead ends: 3017 [2024-11-17 07:16:30,529 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-17 07:16:30,530 INFO L432 NwaCegarLoop]: 464 mSDtfsCounter, 69 mSDsluCounter, 3277 mSDsCounter, 0 mSdLazyCounter, 1109 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 3741 SdHoareTripleChecker+Invalid, 1129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-17 07:16:30,530 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 3741 Invalid, 1129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1109 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-17 07:16:30,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3017 states. [2024-11-17 07:16:30,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3017 to 2996. [2024-11-17 07:16:30,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2996 states, 2894 states have (on average 1.3669661368348307) internal successors, (3956), 2906 states have internal predecessors, (3956), 54 states have call successors, (54), 42 states have call predecessors, (54), 36 states have return successors, (61), 47 states have call predecessors, (61), 54 states have call successors, (61) [2024-11-17 07:16:30,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2996 states to 2996 states and 4071 transitions. [2024-11-17 07:16:30,623 INFO L78 Accepts]: Start accepts. Automaton has 2996 states and 4071 transitions. Word has length 160 [2024-11-17 07:16:30,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:16:30,623 INFO L471 AbstractCegarLoop]: Abstraction has 2996 states and 4071 transitions. [2024-11-17 07:16:30,623 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.181818181818182) internal successors, (123), 9 states have internal predecessors, (123), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 07:16:30,623 INFO L276 IsEmpty]: Start isEmpty. Operand 2996 states and 4071 transitions. [2024-11-17 07:16:30,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-17 07:16:30,625 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:16:30,625 INFO L215 NwaCegarLoop]: trace histogram [15, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:16:30,625 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-17 07:16:30,625 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-17 07:16:30,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:16:30,626 INFO L85 PathProgramCache]: Analyzing trace with hash -100880788, now seen corresponding path program 1 times [2024-11-17 07:16:30,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:16:30,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185110893] [2024-11-17 07:16:30,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:16:30,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:16:30,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:31,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-17 07:16:31,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:31,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 07:16:31,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:31,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-17 07:16:31,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:31,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-17 07:16:31,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:31,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-17 07:16:31,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:31,750 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 7 proven. 127 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 07:16:31,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:16:31,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185110893] [2024-11-17 07:16:31,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1185110893] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:16:31,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [742488918] [2024-11-17 07:16:31,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:16:31,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:16:31,751 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:16:31,753 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 07:16:31,754 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-17 07:16:32,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:32,350 INFO L255 TraceCheckSpWp]: Trace formula consists of 1034 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-17 07:16:32,354 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:16:32,566 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2024-11-17 07:16:32,566 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:16:32,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [742488918] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:16:32,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 07:16:32,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [17] total 23 [2024-11-17 07:16:32,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528879619] [2024-11-17 07:16:32,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:16:32,567 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-17 07:16:32,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:16:32,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-17 07:16:32,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=452, Unknown=0, NotChecked=0, Total=506 [2024-11-17 07:16:32,568 INFO L87 Difference]: Start difference. First operand 2996 states and 4071 transitions. Second operand has 8 states, 8 states have (on average 15.375) internal successors, (123), 8 states have internal predecessors, (123), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-17 07:16:33,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:16:33,292 INFO L93 Difference]: Finished difference Result 5984 states and 8145 transitions. [2024-11-17 07:16:33,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 07:16:33,292 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 15.375) internal successors, (123), 8 states have internal predecessors, (123), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 160 [2024-11-17 07:16:33,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:16:33,300 INFO L225 Difference]: With dead ends: 5984 [2024-11-17 07:16:33,300 INFO L226 Difference]: Without dead ends: 3066 [2024-11-17 07:16:33,304 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=54, Invalid=452, Unknown=0, NotChecked=0, Total=506 [2024-11-17 07:16:33,305 INFO L432 NwaCegarLoop]: 505 mSDtfsCounter, 17 mSDsluCounter, 2658 mSDsCounter, 0 mSdLazyCounter, 695 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 3163 SdHoareTripleChecker+Invalid, 695 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 695 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-17 07:16:33,305 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 3163 Invalid, 695 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 695 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-17 07:16:33,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3066 states. [2024-11-17 07:16:33,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3066 to 3031. [2024-11-17 07:16:33,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3031 states, 2929 states have (on average 1.3649709798566063) internal successors, (3998), 2941 states have internal predecessors, (3998), 54 states have call successors, (54), 42 states have call predecessors, (54), 36 states have return successors, (61), 47 states have call predecessors, (61), 54 states have call successors, (61) [2024-11-17 07:16:33,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3031 states to 3031 states and 4113 transitions. [2024-11-17 07:16:33,396 INFO L78 Accepts]: Start accepts. Automaton has 3031 states and 4113 transitions. Word has length 160 [2024-11-17 07:16:33,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:16:33,397 INFO L471 AbstractCegarLoop]: Abstraction has 3031 states and 4113 transitions. [2024-11-17 07:16:33,397 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 15.375) internal successors, (123), 8 states have internal predecessors, (123), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-17 07:16:33,397 INFO L276 IsEmpty]: Start isEmpty. Operand 3031 states and 4113 transitions. [2024-11-17 07:16:33,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-17 07:16:33,398 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:16:33,399 INFO L215 NwaCegarLoop]: trace histogram [15, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:16:33,420 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-17 07:16:33,599 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-11-17 07:16:33,599 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-17 07:16:33,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:16:33,600 INFO L85 PathProgramCache]: Analyzing trace with hash 1347374035, now seen corresponding path program 1 times [2024-11-17 07:16:33,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:16:33,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614686695] [2024-11-17 07:16:33,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:16:33,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:16:33,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:34,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-17 07:16:34,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:34,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 07:16:34,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:34,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-17 07:16:34,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:34,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-17 07:16:34,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:34,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-17 07:16:34,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:34,188 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2024-11-17 07:16:34,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:16:34,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614686695] [2024-11-17 07:16:34,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614686695] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:16:34,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:16:34,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-17 07:16:34,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756746630] [2024-11-17 07:16:34,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:16:34,190 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-17 07:16:34,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:16:34,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-17 07:16:34,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2024-11-17 07:16:34,191 INFO L87 Difference]: Start difference. First operand 3031 states and 4113 transitions. Second operand has 12 states, 12 states have (on average 10.333333333333334) internal successors, (124), 10 states have internal predecessors, (124), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 07:16:35,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:16:35,060 INFO L93 Difference]: Finished difference Result 6047 states and 8229 transitions. [2024-11-17 07:16:35,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-17 07:16:35,060 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 10.333333333333334) internal successors, (124), 10 states have internal predecessors, (124), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 161 [2024-11-17 07:16:35,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:16:35,068 INFO L225 Difference]: With dead ends: 6047 [2024-11-17 07:16:35,069 INFO L226 Difference]: Without dead ends: 3094 [2024-11-17 07:16:35,072 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2024-11-17 07:16:35,074 INFO L432 NwaCegarLoop]: 470 mSDtfsCounter, 72 mSDsluCounter, 4070 mSDsCounter, 0 mSdLazyCounter, 1529 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 4540 SdHoareTripleChecker+Invalid, 1549 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1529 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-17 07:16:35,074 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 4540 Invalid, 1549 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1529 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-17 07:16:35,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3094 states. [2024-11-17 07:16:35,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3094 to 3052. [2024-11-17 07:16:35,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3052 states, 2950 states have (on average 1.3623728813559322) internal successors, (4019), 2962 states have internal predecessors, (4019), 54 states have call successors, (54), 42 states have call predecessors, (54), 36 states have return successors, (61), 47 states have call predecessors, (61), 54 states have call successors, (61) [2024-11-17 07:16:35,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3052 states to 3052 states and 4134 transitions. [2024-11-17 07:16:35,158 INFO L78 Accepts]: Start accepts. Automaton has 3052 states and 4134 transitions. Word has length 161 [2024-11-17 07:16:35,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:16:35,158 INFO L471 AbstractCegarLoop]: Abstraction has 3052 states and 4134 transitions. [2024-11-17 07:16:35,159 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.333333333333334) internal successors, (124), 10 states have internal predecessors, (124), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 07:16:35,159 INFO L276 IsEmpty]: Start isEmpty. Operand 3052 states and 4134 transitions. [2024-11-17 07:16:35,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-17 07:16:35,161 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:16:35,161 INFO L215 NwaCegarLoop]: trace histogram [15, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:16:35,161 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-17 07:16:35,161 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-17 07:16:35,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:16:35,162 INFO L85 PathProgramCache]: Analyzing trace with hash -1163243479, now seen corresponding path program 1 times [2024-11-17 07:16:35,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:16:35,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304869523] [2024-11-17 07:16:35,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:16:35,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:16:35,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:35,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-17 07:16:35,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:35,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 07:16:35,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:35,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-17 07:16:36,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:36,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-17 07:16:36,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:36,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-17 07:16:36,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:36,432 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 7 proven. 127 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 07:16:36,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:16:36,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304869523] [2024-11-17 07:16:36,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304869523] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:16:36,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1454696611] [2024-11-17 07:16:36,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:16:36,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:16:36,434 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:16:36,435 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 07:16:36,437 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-17 07:16:37,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:37,188 INFO L255 TraceCheckSpWp]: Trace formula consists of 1035 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-17 07:16:37,190 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:16:37,552 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 10 proven. 130 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-17 07:16:37,553 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 07:16:37,942 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 79 proven. 15 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-17 07:16:37,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1454696611] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 07:16:37,942 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 07:16:37,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 18, 10] total 40 [2024-11-17 07:16:37,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618423378] [2024-11-17 07:16:37,942 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 07:16:37,943 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2024-11-17 07:16:37,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:16:37,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2024-11-17 07:16:37,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=179, Invalid=1381, Unknown=0, NotChecked=0, Total=1560 [2024-11-17 07:16:37,945 INFO L87 Difference]: Start difference. First operand 3052 states and 4134 transitions. Second operand has 40 states, 40 states have (on average 4.65) internal successors, (186), 38 states have internal predecessors, (186), 3 states have call successors, (10), 3 states have call predecessors, (10), 7 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-17 07:16:41,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:16:41,694 INFO L93 Difference]: Finished difference Result 6066 states and 8266 transitions. [2024-11-17 07:16:41,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-11-17 07:16:41,695 INFO L78 Accepts]: Start accepts. Automaton has has 40 states, 40 states have (on average 4.65) internal successors, (186), 38 states have internal predecessors, (186), 3 states have call successors, (10), 3 states have call predecessors, (10), 7 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 161 [2024-11-17 07:16:41,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:16:41,702 INFO L225 Difference]: With dead ends: 6066 [2024-11-17 07:16:41,702 INFO L226 Difference]: Without dead ends: 3132 [2024-11-17 07:16:41,708 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 400 GetRequests, 312 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1749 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=1040, Invalid=6970, Unknown=0, NotChecked=0, Total=8010 [2024-11-17 07:16:41,709 INFO L432 NwaCegarLoop]: 477 mSDtfsCounter, 216 mSDsluCounter, 12115 mSDsCounter, 0 mSdLazyCounter, 2671 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 12592 SdHoareTripleChecker+Invalid, 2753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 2671 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-17 07:16:41,709 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 12592 Invalid, 2753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 2671 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-17 07:16:41,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3132 states. [2024-11-17 07:16:41,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3132 to 3098. [2024-11-17 07:16:41,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3098 states, 2996 states have (on average 1.356475300400534) internal successors, (4064), 3007 states have internal predecessors, (4064), 54 states have call successors, (54), 43 states have call predecessors, (54), 36 states have return successors, (61), 47 states have call predecessors, (61), 54 states have call successors, (61) [2024-11-17 07:16:41,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3098 states to 3098 states and 4179 transitions. [2024-11-17 07:16:41,817 INFO L78 Accepts]: Start accepts. Automaton has 3098 states and 4179 transitions. Word has length 161 [2024-11-17 07:16:41,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:16:41,818 INFO L471 AbstractCegarLoop]: Abstraction has 3098 states and 4179 transitions. [2024-11-17 07:16:41,818 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 4.65) internal successors, (186), 38 states have internal predecessors, (186), 3 states have call successors, (10), 3 states have call predecessors, (10), 7 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-17 07:16:41,818 INFO L276 IsEmpty]: Start isEmpty. Operand 3098 states and 4179 transitions. [2024-11-17 07:16:41,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-17 07:16:41,819 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:16:41,819 INFO L215 NwaCegarLoop]: trace histogram [23, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:16:41,842 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-17 07:16:42,020 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:16:42,021 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-17 07:16:42,021 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:16:42,021 INFO L85 PathProgramCache]: Analyzing trace with hash -59696153, now seen corresponding path program 2 times [2024-11-17 07:16:42,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:16:42,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177430452] [2024-11-17 07:16:42,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:16:42,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:16:42,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:42,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-17 07:16:42,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:42,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 07:16:42,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:42,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-17 07:16:42,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:43,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-17 07:16:43,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:43,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-17 07:16:43,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:43,239 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 7 proven. 228 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2024-11-17 07:16:43,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:16:43,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177430452] [2024-11-17 07:16:43,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177430452] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:16:43,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1637112902] [2024-11-17 07:16:43,240 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 07:16:43,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:16:43,241 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:16:43,242 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 07:16:43,244 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-17 07:16:44,165 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 07:16:44,165 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 07:16:44,171 INFO L255 TraceCheckSpWp]: Trace formula consists of 1155 conjuncts, 68 conjuncts are in the unsatisfiable core [2024-11-17 07:16:44,174 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:16:44,535 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 178 proven. 66 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-11-17 07:16:44,536 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 07:16:45,153 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 7 proven. 228 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2024-11-17 07:16:45,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1637112902] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 07:16:45,154 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 07:16:45,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 20, 16] total 48 [2024-11-17 07:16:45,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270999460] [2024-11-17 07:16:45,154 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 07:16:45,155 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-11-17 07:16:45,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:16:45,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-11-17 07:16:45,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=443, Invalid=1813, Unknown=0, NotChecked=0, Total=2256 [2024-11-17 07:16:45,157 INFO L87 Difference]: Start difference. First operand 3098 states and 4179 transitions. Second operand has 48 states, 48 states have (on average 4.1875) internal successors, (201), 46 states have internal predecessors, (201), 3 states have call successors, (12), 4 states have call predecessors, (12), 6 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-17 07:16:50,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:16:50,164 INFO L93 Difference]: Finished difference Result 6176 states and 8397 transitions. [2024-11-17 07:16:50,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-11-17 07:16:50,165 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 48 states have (on average 4.1875) internal successors, (201), 46 states have internal predecessors, (201), 3 states have call successors, (12), 4 states have call predecessors, (12), 6 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 169 [2024-11-17 07:16:50,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:16:50,172 INFO L225 Difference]: With dead ends: 6176 [2024-11-17 07:16:50,173 INFO L226 Difference]: Without dead ends: 3197 [2024-11-17 07:16:50,179 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 417 GetRequests, 320 SyntacticMatches, 0 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2172 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=1757, Invalid=7945, Unknown=0, NotChecked=0, Total=9702 [2024-11-17 07:16:50,180 INFO L432 NwaCegarLoop]: 478 mSDtfsCounter, 149 mSDsluCounter, 8832 mSDsCounter, 0 mSdLazyCounter, 2473 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 9310 SdHoareTripleChecker+Invalid, 2534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 2473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-17 07:16:50,180 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 9310 Invalid, 2534 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 2473 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-17 07:16:50,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3197 states. [2024-11-17 07:16:50,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3197 to 3176. [2024-11-17 07:16:50,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3176 states, 3074 states have (on average 1.3474300585556278) internal successors, (4142), 3085 states have internal predecessors, (4142), 54 states have call successors, (54), 43 states have call predecessors, (54), 36 states have return successors, (61), 47 states have call predecessors, (61), 54 states have call successors, (61) [2024-11-17 07:16:50,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3176 states to 3176 states and 4257 transitions. [2024-11-17 07:16:50,409 INFO L78 Accepts]: Start accepts. Automaton has 3176 states and 4257 transitions. Word has length 169 [2024-11-17 07:16:50,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:16:50,410 INFO L471 AbstractCegarLoop]: Abstraction has 3176 states and 4257 transitions. [2024-11-17 07:16:50,410 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 4.1875) internal successors, (201), 46 states have internal predecessors, (201), 3 states have call successors, (12), 4 states have call predecessors, (12), 6 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-17 07:16:50,410 INFO L276 IsEmpty]: Start isEmpty. Operand 3176 states and 4257 transitions. [2024-11-17 07:16:50,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-17 07:16:50,412 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:16:50,412 INFO L215 NwaCegarLoop]: trace histogram [36, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:16:50,435 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-11-17 07:16:50,612 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-17 07:16:50,613 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-17 07:16:50,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:16:50,614 INFO L85 PathProgramCache]: Analyzing trace with hash -1924530682, now seen corresponding path program 3 times [2024-11-17 07:16:50,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:16:50,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553431952] [2024-11-17 07:16:50,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:16:50,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:16:50,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:51,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-17 07:16:51,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:51,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-17 07:16:51,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:51,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-17 07:16:51,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:52,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-17 07:16:52,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:52,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-17 07:16:52,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:16:52,879 INFO L134 CoverageAnalysis]: Checked inductivity of 725 backedges. 7 proven. 631 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2024-11-17 07:16:52,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:16:52,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553431952] [2024-11-17 07:16:52,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553431952] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:16:52,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1694592957] [2024-11-17 07:16:52,879 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-17 07:16:52,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:16:52,880 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:16:52,882 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 07:16:52,884 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-17 07:16:54,326 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-17 07:16:54,326 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 07:16:54,330 INFO L255 TraceCheckSpWp]: Trace formula consists of 634 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-17 07:16:54,337 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:16:55,027 INFO L134 CoverageAnalysis]: Checked inductivity of 725 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 718 trivial. 0 not checked. [2024-11-17 07:16:55,028 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:16:55,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1694592957] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:16:55,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 07:16:55,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [31] total 40 [2024-11-17 07:16:55,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469040878] [2024-11-17 07:16:55,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:16:55,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-17 07:16:55,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:16:55,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-17 07:16:55,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=1459, Unknown=0, NotChecked=0, Total=1560 [2024-11-17 07:16:55,031 INFO L87 Difference]: Start difference. First operand 3176 states and 4257 transitions. Second operand has 11 states, 11 states have (on average 11.272727272727273) internal successors, (124), 11 states have internal predecessors, (124), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-17 07:16:55,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:16:55,939 INFO L93 Difference]: Finished difference Result 6271 states and 8417 transitions. [2024-11-17 07:16:55,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 07:16:55,939 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 11.272727272727273) internal successors, (124), 11 states have internal predecessors, (124), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 182 [2024-11-17 07:16:55,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:16:55,978 INFO L225 Difference]: With dead ends: 6271 [2024-11-17 07:16:55,978 INFO L226 Difference]: Without dead ends: 3176 [2024-11-17 07:16:55,981 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=101, Invalid=1459, Unknown=0, NotChecked=0, Total=1560 [2024-11-17 07:16:55,983 INFO L432 NwaCegarLoop]: 501 mSDtfsCounter, 11 mSDsluCounter, 3970 mSDsCounter, 0 mSdLazyCounter, 1003 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 4471 SdHoareTripleChecker+Invalid, 1004 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1003 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-17 07:16:55,983 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 4471 Invalid, 1004 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1003 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-17 07:16:55,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3176 states. [2024-11-17 07:16:56,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3176 to 3162. [2024-11-17 07:16:56,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3162 states, 3060 states have (on average 1.346732026143791) internal successors, (4121), 3071 states have internal predecessors, (4121), 54 states have call successors, (54), 43 states have call predecessors, (54), 36 states have return successors, (61), 47 states have call predecessors, (61), 54 states have call successors, (61) [2024-11-17 07:16:56,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3162 states to 3162 states and 4236 transitions. [2024-11-17 07:16:56,122 INFO L78 Accepts]: Start accepts. Automaton has 3162 states and 4236 transitions. Word has length 182 [2024-11-17 07:16:56,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:16:56,123 INFO L471 AbstractCegarLoop]: Abstraction has 3162 states and 4236 transitions. [2024-11-17 07:16:56,123 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.272727272727273) internal successors, (124), 11 states have internal predecessors, (124), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-17 07:16:56,123 INFO L276 IsEmpty]: Start isEmpty. Operand 3162 states and 4236 transitions. [2024-11-17 07:16:56,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-17 07:16:56,124 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:16:56,125 INFO L215 NwaCegarLoop]: trace histogram [36, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:16:56,149 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-17 07:16:56,325 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-17 07:16:56,326 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-17 07:16:56,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:16:56,326 INFO L85 PathProgramCache]: Analyzing trace with hash 2085148838, now seen corresponding path program 1 times [2024-11-17 07:16:56,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:16:56,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484330650] [2024-11-17 07:16:56,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:16:56,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms