./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_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 ac848265e1daab3ca0f2905a3d0d6fdafaee38399ca7123ad8517babc999ef80 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 23:15:21,688 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 23:15:21,752 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-24 23:15:21,757 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 23:15:21,757 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 23:15:21,787 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 23:15:21,787 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 23:15:21,787 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 23:15:21,788 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 23:15:21,788 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 23:15:21,788 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 23:15:21,788 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 23:15:21,789 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 23:15:21,789 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 23:15:21,789 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 23:15:21,790 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 23:15:21,790 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 23:15:21,792 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 23:15:21,792 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 23:15:21,792 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 23:15:21,795 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 23:15:21,796 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 23:15:21,796 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 23:15:21,796 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 23:15:21,796 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 23:15:21,796 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-24 23:15:21,797 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 23:15:21,797 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 23:15:21,797 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 23:15:21,797 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 23:15:21,797 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 23:15:21,797 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 23:15:21,798 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 23:15:21,798 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 23:15:21,798 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 23:15:21,800 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 23:15:21,801 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 23:15:21,801 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 23:15:21,801 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 23:15:21,802 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 23:15:21,802 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 23:15:21,802 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 23:15:21,802 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 23:15:21,802 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 23:15:21,803 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac848265e1daab3ca0f2905a3d0d6fdafaee38399ca7123ad8517babc999ef80 [2024-10-24 23:15:22,016 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 23:15:22,037 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 23:15:22,039 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 23:15:22,039 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 23:15:22,041 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 23:15:22,042 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-1.i [2024-10-24 23:15:23,346 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 23:15:23,657 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 23:15:23,659 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-1.i [2024-10-24 23:15:23,682 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eef8e3b64/11843f462cd54a049ac16a0aa05ff0c9/FLAG1698cf46b [2024-10-24 23:15:23,926 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eef8e3b64/11843f462cd54a049ac16a0aa05ff0c9 [2024-10-24 23:15:23,928 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 23:15:23,930 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 23:15:23,931 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 23:15:23,932 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 23:15:23,936 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 23:15:23,937 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:15:23" (1/1) ... [2024-10-24 23:15:23,937 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d396444 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:23, skipping insertion in model container [2024-10-24 23:15:23,938 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:15:23" (1/1) ... [2024-10-24 23:15:23,981 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 23:15:24,486 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 23:15:24,500 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 23:15:24,596 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 23:15:24,645 INFO L204 MainTranslator]: Completed translation [2024-10-24 23:15:24,645 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:24 WrapperNode [2024-10-24 23:15:24,648 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 23:15:24,648 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 23:15:24,649 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 23:15:24,649 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 23:15:24,653 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:24" (1/1) ... [2024-10-24 23:15:24,677 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:24" (1/1) ... [2024-10-24 23:15:24,735 INFO L138 Inliner]: procedures = 282, calls = 290, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 1478 [2024-10-24 23:15:24,736 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 23:15:24,737 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 23:15:24,737 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 23:15:24,737 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 23:15:24,745 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:24" (1/1) ... [2024-10-24 23:15:24,745 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:24" (1/1) ... [2024-10-24 23:15:24,757 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:24" (1/1) ... [2024-10-24 23:15:24,824 INFO L175 MemorySlicer]: Split 259 memory accesses to 4 slices as follows [2, 3, 220, 34]. 85 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0]. The 55 writes are split as follows [0, 2, 49, 4]. [2024-10-24 23:15:24,825 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:24" (1/1) ... [2024-10-24 23:15:24,825 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:24" (1/1) ... [2024-10-24 23:15:24,858 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:24" (1/1) ... [2024-10-24 23:15:24,868 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:24" (1/1) ... [2024-10-24 23:15:24,879 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:24" (1/1) ... [2024-10-24 23:15:24,883 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:24" (1/1) ... [2024-10-24 23:15:24,895 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 23:15:24,897 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 23:15:24,897 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 23:15:24,897 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 23:15:24,898 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:24" (1/1) ... [2024-10-24 23:15:24,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 23:15:24,909 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:15:24,924 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) [2024-10-24 23:15:24,926 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 [2024-10-24 23:15:24,966 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-10-24 23:15:24,966 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-10-24 23:15:24,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-24 23:15:24,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-24 23:15:24,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-24 23:15:24,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-24 23:15:24,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-24 23:15:24,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-24 23:15:24,967 INFO L130 BoogieDeclarations]: Found specification of procedure alt_bzero [2024-10-24 23:15:24,968 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_bzero [2024-10-24 23:15:24,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-24 23:15:24,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-24 23:15:24,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-24 23:15:24,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-24 23:15:24,968 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-24 23:15:24,968 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-24 23:15:24,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-24 23:15:24,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-24 23:15:24,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-24 23:15:24,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-24 23:15:24,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-24 23:15:24,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 23:15:24,969 INFO L130 BoogieDeclarations]: Found specification of procedure alt_malloc [2024-10-24 23:15:24,969 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_malloc [2024-10-24 23:15:24,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-24 23:15:24,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-24 23:15:24,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-24 23:15:24,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-24 23:15:24,970 INFO L130 BoogieDeclarations]: Found specification of procedure alt_free [2024-10-24 23:15:24,970 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_free [2024-10-24 23:15:24,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 23:15:24,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-24 23:15:24,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-24 23:15:24,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-24 23:15:24,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 23:15:24,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 23:15:25,168 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 23:15:25,170 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 23:15:26,176 INFO L? ?]: Removed 345 outVars from TransFormulas that were not future-live. [2024-10-24 23:15:26,177 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 23:15:26,212 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 23:15:26,212 INFO L314 CfgBuilder]: Removed 63 assume(true) statements. [2024-10-24 23:15:26,212 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:15:26 BoogieIcfgContainer [2024-10-24 23:15:26,213 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 23:15:26,214 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 23:15:26,214 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 23:15:26,217 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 23:15:26,217 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:15:23" (1/3) ... [2024-10-24 23:15:26,217 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f665ff2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:15:26, skipping insertion in model container [2024-10-24 23:15:26,217 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:24" (2/3) ... [2024-10-24 23:15:26,218 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f665ff2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:15:26, skipping insertion in model container [2024-10-24 23:15:26,218 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:15:26" (3/3) ... [2024-10-24 23:15:26,222 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test6-1.i [2024-10-24 23:15:26,235 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 23:15:26,235 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2024-10-24 23:15:26,291 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 23:15:26,296 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;@1b2470a7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 23:15:26,296 INFO L334 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2024-10-24 23:15:26,300 INFO L276 IsEmpty]: Start isEmpty. Operand has 452 states, 415 states have (on average 1.621686746987952) internal successors, (673), 432 states have internal predecessors, (673), 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) [2024-10-24 23:15:26,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-24 23:15:26,304 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:15:26,305 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-24 23:15:26,305 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-24 23:15:26,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:15:26,308 INFO L85 PathProgramCache]: Analyzing trace with hash 608439599, now seen corresponding path program 1 times [2024-10-24 23:15:26,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:15:26,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289254493] [2024-10-24 23:15:26,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:15:26,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:15:26,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:15:26,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:15:26,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:15:26,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289254493] [2024-10-24 23:15:26,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289254493] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:15:26,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:15:26,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 23:15:26,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061492516] [2024-10-24 23:15:26,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:15:26,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 23:15:26,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:15:26,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 23:15:26,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 23:15:26,499 INFO L87 Difference]: Start difference. First operand has 452 states, 415 states have (on average 1.621686746987952) internal successors, (673), 432 states have internal predecessors, (673), 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 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2024-10-24 23:15:26,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:15:26,583 INFO L93 Difference]: Finished difference Result 898 states and 1422 transitions. [2024-10-24 23:15:26,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 23:15:26,585 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 6 [2024-10-24 23:15:26,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:15:26,597 INFO L225 Difference]: With dead ends: 898 [2024-10-24 23:15:26,597 INFO L226 Difference]: Without dead ends: 435 [2024-10-24 23:15:26,601 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 [2024-10-24 23:15:26,605 INFO L432 NwaCegarLoop]: 623 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 623 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 23:15:26,606 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 623 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 23:15:26,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2024-10-24 23:15:26,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 435. [2024-10-24 23:15:26,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 435 states, 407 states have (on average 1.457002457002457) internal successors, (593), 421 states have internal predecessors, (593), 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) [2024-10-24 23:15:26,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 613 transitions. [2024-10-24 23:15:26,664 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 613 transitions. Word has length 6 [2024-10-24 23:15:26,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:15:26,665 INFO L471 AbstractCegarLoop]: Abstraction has 435 states and 613 transitions. [2024-10-24 23:15:26,665 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2024-10-24 23:15:26,665 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 613 transitions. [2024-10-24 23:15:26,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-24 23:15:26,666 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:15:26,666 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-24 23:15:26,666 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 23:15:26,666 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-24 23:15:26,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:15:26,667 INFO L85 PathProgramCache]: Analyzing trace with hash 608441521, now seen corresponding path program 1 times [2024-10-24 23:15:26,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:15:26,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554255798] [2024-10-24 23:15:26,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:15:26,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:15:26,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 23:15:26,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1174978005] [2024-10-24 23:15:26,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:15:26,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 23:15:26,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:15:26,697 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) [2024-10-24 23:15:26,701 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-24 23:15:26,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:15:26,850 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-24 23:15:26,854 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 23:15:26,898 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 [2024-10-24 23:15:26,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:15:26,927 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 23:15:26,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:15:26,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554255798] [2024-10-24 23:15:26,928 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 23:15:26,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1174978005] [2024-10-24 23:15:26,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1174978005] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:15:26,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:15:26,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 23:15:26,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556938108] [2024-10-24 23:15:26,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:15:26,931 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 23:15:26,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:15:26,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 23:15:26,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 23:15:26,932 INFO L87 Difference]: Start difference. First operand 435 states and 613 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2024-10-24 23:15:27,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:15:27,069 INFO L93 Difference]: Finished difference Result 841 states and 1198 transitions. [2024-10-24 23:15:27,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 23:15:27,070 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 6 [2024-10-24 23:15:27,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:15:27,073 INFO L225 Difference]: With dead ends: 841 [2024-10-24 23:15:27,073 INFO L226 Difference]: Without dead ends: 839 [2024-10-24 23:15:27,074 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 [2024-10-24 23:15:27,075 INFO L432 NwaCegarLoop]: 632 mSDtfsCounter, 560 mSDsluCounter, 1207 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 569 SdHoareTripleChecker+Valid, 1839 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 23:15:27,075 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [569 Valid, 1839 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 23:15:27,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 839 states. [2024-10-24 23:15:27,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 839 to 441. [2024-10-24 23:15:27,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 413 states have (on average 1.4527845036319613) internal successors, (600), 427 states have internal predecessors, (600), 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) [2024-10-24 23:15:27,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 620 transitions. [2024-10-24 23:15:27,093 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 620 transitions. Word has length 6 [2024-10-24 23:15:27,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:15:27,094 INFO L471 AbstractCegarLoop]: Abstraction has 441 states and 620 transitions. [2024-10-24 23:15:27,094 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2024-10-24 23:15:27,094 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 620 transitions. [2024-10-24 23:15:27,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-10-24 23:15:27,096 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:15:27,097 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] [2024-10-24 23:15:27,113 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-24 23:15:27,297 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 [2024-10-24 23:15:27,298 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-24 23:15:27,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:15:27,299 INFO L85 PathProgramCache]: Analyzing trace with hash 2006626720, now seen corresponding path program 1 times [2024-10-24 23:15:27,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:15:27,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047726513] [2024-10-24 23:15:27,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:15:27,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:15:27,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:15:27,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:15:27,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:15:27,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047726513] [2024-10-24 23:15:27,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047726513] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:15:27,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:15:27,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 23:15:27,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425829669] [2024-10-24 23:15:27,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:15:27,600 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 23:15:27,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:15:27,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 23:15:27,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 23:15:27,601 INFO L87 Difference]: Start difference. First operand 441 states and 620 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 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) [2024-10-24 23:15:27,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:15:27,672 INFO L93 Difference]: Finished difference Result 833 states and 1166 transitions. [2024-10-24 23:15:27,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 23:15:27,672 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 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 62 [2024-10-24 23:15:27,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:15:27,674 INFO L225 Difference]: With dead ends: 833 [2024-10-24 23:15:27,674 INFO L226 Difference]: Without dead ends: 399 [2024-10-24 23:15:27,675 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 [2024-10-24 23:15:27,675 INFO L432 NwaCegarLoop]: 504 mSDtfsCounter, 30 mSDsluCounter, 991 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 1495 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 23:15:27,676 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 1495 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 23:15:27,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2024-10-24 23:15:27,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 399. [2024-10-24 23:15:27,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 399 states, 371 states have (on average 1.4097035040431267) internal successors, (523), 385 states have internal predecessors, (523), 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) [2024-10-24 23:15:27,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 543 transitions. [2024-10-24 23:15:27,687 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 543 transitions. Word has length 62 [2024-10-24 23:15:27,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:15:27,688 INFO L471 AbstractCegarLoop]: Abstraction has 399 states and 543 transitions. [2024-10-24 23:15:27,688 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 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) [2024-10-24 23:15:27,688 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 543 transitions. [2024-10-24 23:15:27,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-10-24 23:15:27,689 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:15:27,690 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] [2024-10-24 23:15:27,690 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 23:15:27,690 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-24 23:15:27,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:15:27,690 INFO L85 PathProgramCache]: Analyzing trace with hash 942426772, now seen corresponding path program 1 times [2024-10-24 23:15:27,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:15:27,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731914190] [2024-10-24 23:15:27,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:15:27,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:15:27,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:15:27,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:15:27,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:15:27,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731914190] [2024-10-24 23:15:27,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731914190] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:15:27,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:15:27,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 23:15:27,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508454024] [2024-10-24 23:15:27,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:15:27,837 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 23:15:27,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:15:27,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 23:15:27,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 23:15:27,838 INFO L87 Difference]: Start difference. First operand 399 states and 543 transitions. Second operand has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 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) [2024-10-24 23:15:27,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:15:27,893 INFO L93 Difference]: Finished difference Result 773 states and 1062 transitions. [2024-10-24 23:15:27,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 23:15:27,893 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 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 62 [2024-10-24 23:15:27,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:15:27,901 INFO L225 Difference]: With dead ends: 773 [2024-10-24 23:15:27,901 INFO L226 Difference]: Without dead ends: 771 [2024-10-24 23:15:27,901 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 [2024-10-24 23:15:27,902 INFO L432 NwaCegarLoop]: 514 mSDtfsCounter, 454 mSDsluCounter, 1023 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 454 SdHoareTripleChecker+Valid, 1537 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 23:15:27,902 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [454 Valid, 1537 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 23:15:27,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 771 states. [2024-10-24 23:15:27,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 771 to 759. [2024-10-24 23:15:27,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 759 states, 721 states have (on average 1.4133148404993066) internal successors, (1019), 736 states have internal predecessors, (1019), 18 states have call successors, (18), 7 states have call predecessors, (18), 6 states have return successors, (21), 16 states have call predecessors, (21), 18 states have call successors, (21) [2024-10-24 23:15:27,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 759 states and 1058 transitions. [2024-10-24 23:15:27,925 INFO L78 Accepts]: Start accepts. Automaton has 759 states and 1058 transitions. Word has length 62 [2024-10-24 23:15:27,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:15:27,925 INFO L471 AbstractCegarLoop]: Abstraction has 759 states and 1058 transitions. [2024-10-24 23:15:27,926 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 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) [2024-10-24 23:15:27,926 INFO L276 IsEmpty]: Start isEmpty. Operand 759 states and 1058 transitions. [2024-10-24 23:15:27,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-10-24 23:15:27,927 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:15:27,927 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] [2024-10-24 23:15:27,927 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 23:15:27,927 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-24 23:15:27,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:15:27,928 INFO L85 PathProgramCache]: Analyzing trace with hash -849541099, now seen corresponding path program 1 times [2024-10-24 23:15:27,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:15:27,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110941064] [2024-10-24 23:15:27,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:15:27,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:15:27,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:15:28,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:15:28,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:15:28,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110941064] [2024-10-24 23:15:28,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1110941064] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:15:28,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:15:28,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 23:15:28,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288939313] [2024-10-24 23:15:28,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:15:28,074 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 23:15:28,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:15:28,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 23:15:28,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 23:15:28,075 INFO L87 Difference]: Start difference. First operand 759 states and 1058 transitions. Second operand has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 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) [2024-10-24 23:15:28,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:15:28,128 INFO L93 Difference]: Finished difference Result 1278 states and 1794 transitions. [2024-10-24 23:15:28,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 23:15:28,129 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 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 63 [2024-10-24 23:15:28,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:15:28,132 INFO L225 Difference]: With dead ends: 1278 [2024-10-24 23:15:28,133 INFO L226 Difference]: Without dead ends: 1276 [2024-10-24 23:15:28,133 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 [2024-10-24 23:15:28,134 INFO L432 NwaCegarLoop]: 517 mSDtfsCounter, 385 mSDsluCounter, 1030 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 385 SdHoareTripleChecker+Valid, 1547 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 23:15:28,134 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [385 Valid, 1547 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 23:15:28,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1276 states. [2024-10-24 23:15:28,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1276 to 1268. [2024-10-24 23:15:28,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1268 states, 1224 states have (on average 1.4240196078431373) internal successors, (1743), 1240 states have internal predecessors, (1743), 23 states have call successors, (23), 10 states have call predecessors, (23), 7 states have return successors, (26), 18 states have call predecessors, (26), 23 states have call successors, (26) [2024-10-24 23:15:28,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1268 states to 1268 states and 1792 transitions. [2024-10-24 23:15:28,165 INFO L78 Accepts]: Start accepts. Automaton has 1268 states and 1792 transitions. Word has length 63 [2024-10-24 23:15:28,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:15:28,165 INFO L471 AbstractCegarLoop]: Abstraction has 1268 states and 1792 transitions. [2024-10-24 23:15:28,165 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 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) [2024-10-24 23:15:28,165 INFO L276 IsEmpty]: Start isEmpty. Operand 1268 states and 1792 transitions. [2024-10-24 23:15:28,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-10-24 23:15:28,167 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:15:28,167 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] [2024-10-24 23:15:28,167 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 23:15:28,167 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting alt_bzeroErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-24 23:15:28,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:15:28,168 INFO L85 PathProgramCache]: Analyzing trace with hash -2121850464, now seen corresponding path program 1 times [2024-10-24 23:15:28,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:15:28,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586592397] [2024-10-24 23:15:28,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:15:28,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:15:28,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:15:28,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 23:15:28,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:15:28,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:15:28,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:15:28,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586592397] [2024-10-24 23:15:28,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586592397] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:15:28,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:15:28,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 23:15:28,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263029059] [2024-10-24 23:15:28,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:15:28,304 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 23:15:28,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:15:28,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 23:15:28,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 23:15:28,305 INFO L87 Difference]: Start difference. First operand 1268 states and 1792 transitions. Second operand has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 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) [2024-10-24 23:15:28,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:15:28,419 INFO L93 Difference]: Finished difference Result 1296 states and 1813 transitions. [2024-10-24 23:15:28,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 23:15:28,420 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 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 71 [2024-10-24 23:15:28,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:15:28,425 INFO L225 Difference]: With dead ends: 1296 [2024-10-24 23:15:28,425 INFO L226 Difference]: Without dead ends: 1294 [2024-10-24 23:15:28,426 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 [2024-10-24 23:15:28,427 INFO L432 NwaCegarLoop]: 507 mSDtfsCounter, 429 mSDsluCounter, 990 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 430 SdHoareTripleChecker+Valid, 1497 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 23:15:28,428 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [430 Valid, 1497 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 23:15:28,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1294 states. [2024-10-24 23:15:28,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1294 to 1285. [2024-10-24 23:15:28,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1285 states, 1236 states have (on average 1.4207119741100325) internal successors, (1756), 1253 states have internal predecessors, (1756), 26 states have call successors, (26), 12 states have call predecessors, (26), 9 states have return successors, (29), 21 states have call predecessors, (29), 26 states have call successors, (29) [2024-10-24 23:15:28,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1285 states to 1285 states and 1811 transitions. [2024-10-24 23:15:28,455 INFO L78 Accepts]: Start accepts. Automaton has 1285 states and 1811 transitions. Word has length 71 [2024-10-24 23:15:28,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:15:28,456 INFO L471 AbstractCegarLoop]: Abstraction has 1285 states and 1811 transitions. [2024-10-24 23:15:28,456 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 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) [2024-10-24 23:15:28,456 INFO L276 IsEmpty]: Start isEmpty. Operand 1285 states and 1811 transitions. [2024-10-24 23:15:28,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-10-24 23:15:28,457 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:15:28,457 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] [2024-10-24 23:15:28,457 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 23:15:28,457 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-24 23:15:28,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:15:28,458 INFO L85 PathProgramCache]: Analyzing trace with hash -1041853275, now seen corresponding path program 1 times [2024-10-24 23:15:28,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:15:28,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818604865] [2024-10-24 23:15:28,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:15:28,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:15:28,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:15:28,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:15:28,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:15:28,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818604865] [2024-10-24 23:15:28,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818604865] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:15:28,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:15:28,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 23:15:28,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353206388] [2024-10-24 23:15:28,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:15:28,614 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 23:15:28,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:15:28,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 23:15:28,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 23:15:28,615 INFO L87 Difference]: Start difference. First operand 1285 states and 1811 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 3 states have internal predecessors, (69), 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) [2024-10-24 23:15:28,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:15:28,731 INFO L93 Difference]: Finished difference Result 2455 states and 3494 transitions. [2024-10-24 23:15:28,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 23:15:28,733 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 3 states have internal predecessors, (69), 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 69 [2024-10-24 23:15:28,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:15:28,738 INFO L225 Difference]: With dead ends: 2455 [2024-10-24 23:15:28,739 INFO L226 Difference]: Without dead ends: 2062 [2024-10-24 23:15:28,739 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 [2024-10-24 23:15:28,740 INFO L432 NwaCegarLoop]: 552 mSDtfsCounter, 478 mSDsluCounter, 1045 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 487 SdHoareTripleChecker+Valid, 1597 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 23:15:28,740 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [487 Valid, 1597 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 23:15:28,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2062 states. [2024-10-24 23:15:28,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2062 to 1285. [2024-10-24 23:15:28,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1285 states, 1236 states have (on average 1.4199029126213591) internal successors, (1755), 1253 states have internal predecessors, (1755), 26 states have call successors, (26), 12 states have call predecessors, (26), 9 states have return successors, (29), 21 states have call predecessors, (29), 26 states have call successors, (29) [2024-10-24 23:15:28,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1285 states to 1285 states and 1810 transitions. [2024-10-24 23:15:28,770 INFO L78 Accepts]: Start accepts. Automaton has 1285 states and 1810 transitions. Word has length 69 [2024-10-24 23:15:28,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:15:28,770 INFO L471 AbstractCegarLoop]: Abstraction has 1285 states and 1810 transitions. [2024-10-24 23:15:28,770 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 3 states have internal predecessors, (69), 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) [2024-10-24 23:15:28,770 INFO L276 IsEmpty]: Start isEmpty. Operand 1285 states and 1810 transitions. [2024-10-24 23:15:28,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-10-24 23:15:28,772 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:15:28,772 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] [2024-10-24 23:15:28,772 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 23:15:28,772 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)] === [2024-10-24 23:15:28,772 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:15:28,773 INFO L85 PathProgramCache]: Analyzing trace with hash 760083501, now seen corresponding path program 1 times [2024-10-24 23:15:28,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:15:28,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998127480] [2024-10-24 23:15:28,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:15:28,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:15:28,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:15:29,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 23:15:29,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:15:29,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 23:15:29,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:15:29,082 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:15:29,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:15:29,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998127480] [2024-10-24 23:15:29,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998127480] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 23:15:29,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [287986145] [2024-10-24 23:15:29,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:15:29,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 23:15:29,084 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:15:29,087 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) [2024-10-24 23:15:29,088 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-24 23:15:29,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:15:29,295 INFO L255 TraceCheckSpWp]: Trace formula consists of 479 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-24 23:15:29,299 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 23:15:29,421 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:15:29,421 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 23:15:29,623 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:15:29,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [287986145] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 23:15:29,624 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 23:15:29,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 7] total 16 [2024-10-24 23:15:29,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239703169] [2024-10-24 23:15:29,625 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 23:15:29,625 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-24 23:15:29,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:15:29,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-24 23:15:29,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2024-10-24 23:15:29,627 INFO L87 Difference]: Start difference. First operand 1285 states and 1810 transitions. Second operand has 17 states, 16 states have (on average 9.5) internal successors, (152), 13 states have internal predecessors, (152), 4 states have call successors, (8), 7 states have call predecessors, (8), 4 states have return successors, (5), 2 states have call predecessors, (5), 4 states have call successors, (5) [2024-10-24 23:15:30,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:15:30,758 INFO L93 Difference]: Finished difference Result 3524 states and 4956 transitions. [2024-10-24 23:15:30,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-10-24 23:15:30,759 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 9.5) internal successors, (152), 13 states have internal predecessors, (152), 4 states have call successors, (8), 7 states have call predecessors, (8), 4 states have return successors, (5), 2 states have call predecessors, (5), 4 states have call successors, (5) Word has length 79 [2024-10-24 23:15:30,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:15:30,768 INFO L225 Difference]: With dead ends: 3524 [2024-10-24 23:15:30,769 INFO L226 Difference]: Without dead ends: 3522 [2024-10-24 23:15:30,770 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 333 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=430, Invalid=1130, Unknown=0, NotChecked=0, Total=1560 [2024-10-24 23:15:30,770 INFO L432 NwaCegarLoop]: 579 mSDtfsCounter, 2539 mSDsluCounter, 6536 mSDsCounter, 0 mSdLazyCounter, 592 mSolverCounterSat, 174 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2549 SdHoareTripleChecker+Valid, 7115 SdHoareTripleChecker+Invalid, 766 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 174 IncrementalHoareTripleChecker+Valid, 592 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-24 23:15:30,770 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2549 Valid, 7115 Invalid, 766 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [174 Valid, 592 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-24 23:15:30,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3522 states. [2024-10-24 23:15:30,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3522 to 3044. [2024-10-24 23:15:30,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3044 states, 2933 states have (on average 1.4087964541425162) internal successors, (4132), 2952 states have internal predecessors, (4132), 73 states have call successors, (73), 30 states have call predecessors, (73), 24 states have return successors, (99), 61 states have call predecessors, (99), 73 states have call successors, (99) [2024-10-24 23:15:30,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3044 states to 3044 states and 4304 transitions. [2024-10-24 23:15:30,849 INFO L78 Accepts]: Start accepts. Automaton has 3044 states and 4304 transitions. Word has length 79 [2024-10-24 23:15:30,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:15:30,850 INFO L471 AbstractCegarLoop]: Abstraction has 3044 states and 4304 transitions. [2024-10-24 23:15:30,850 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 9.5) internal successors, (152), 13 states have internal predecessors, (152), 4 states have call successors, (8), 7 states have call predecessors, (8), 4 states have return successors, (5), 2 states have call predecessors, (5), 4 states have call successors, (5) [2024-10-24 23:15:30,850 INFO L276 IsEmpty]: Start isEmpty. Operand 3044 states and 4304 transitions. [2024-10-24 23:15:30,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-10-24 23:15:30,851 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:15:30,851 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] [2024-10-24 23:15:30,874 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-24 23:15:31,056 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 [2024-10-24 23:15:31,056 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-24 23:15:31,057 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:15:31,057 INFO L85 PathProgramCache]: Analyzing trace with hash -1771772127, now seen corresponding path program 1 times [2024-10-24 23:15:31,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:15:31,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597492587] [2024-10-24 23:15:31,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:15:31,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:15:31,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:15:31,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:15:31,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:15:31,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597492587] [2024-10-24 23:15:31,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [597492587] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:15:31,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:15:31,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 23:15:31,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349247645] [2024-10-24 23:15:31,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:15:31,149 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 23:15:31,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:15:31,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 23:15:31,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 23:15:31,149 INFO L87 Difference]: Start difference. First operand 3044 states and 4304 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 2 states have internal predecessors, (80), 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) [2024-10-24 23:15:31,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:15:31,283 INFO L93 Difference]: Finished difference Result 6644 states and 9447 transitions. [2024-10-24 23:15:31,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 23:15:31,284 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 2 states have internal predecessors, (80), 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 80 [2024-10-24 23:15:31,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:15:31,293 INFO L225 Difference]: With dead ends: 6644 [2024-10-24 23:15:31,293 INFO L226 Difference]: Without dead ends: 3607 [2024-10-24 23:15:31,296 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 23:15:31,296 INFO L432 NwaCegarLoop]: 707 mSDtfsCounter, 297 mSDsluCounter, 499 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 298 SdHoareTripleChecker+Valid, 1206 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 23:15:31,296 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [298 Valid, 1206 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 23:15:31,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3607 states. [2024-10-24 23:15:31,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3607 to 3590. [2024-10-24 23:15:31,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3590 states, 3486 states have (on average 1.4236947791164658) internal successors, (4963), 3504 states have internal predecessors, (4963), 67 states have call successors, (67), 28 states have call predecessors, (67), 23 states have return successors, (92), 57 states have call predecessors, (92), 67 states have call successors, (92) [2024-10-24 23:15:31,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3590 states to 3590 states and 5122 transitions. [2024-10-24 23:15:31,359 INFO L78 Accepts]: Start accepts. Automaton has 3590 states and 5122 transitions. Word has length 80 [2024-10-24 23:15:31,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:15:31,359 INFO L471 AbstractCegarLoop]: Abstraction has 3590 states and 5122 transitions. [2024-10-24 23:15:31,359 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 2 states have internal predecessors, (80), 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) [2024-10-24 23:15:31,360 INFO L276 IsEmpty]: Start isEmpty. Operand 3590 states and 5122 transitions. [2024-10-24 23:15:31,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-10-24 23:15:31,360 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:15:31,360 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-24 23:15:31,360 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-24 23:15:31,361 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting alt_bzeroErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-24 23:15:31,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:15:31,361 INFO L85 PathProgramCache]: Analyzing trace with hash -175259048, now seen corresponding path program 1 times [2024-10-24 23:15:31,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:15:31,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107334438] [2024-10-24 23:15:31,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:15:31,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:15:31,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:15:31,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 23:15:31,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:15:31,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 23:15:31,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:15:31,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-24 23:15:31,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:15:31,618 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-24 23:15:31,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:15:31,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107334438] [2024-10-24 23:15:31,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107334438] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 23:15:31,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1371547871] [2024-10-24 23:15:31,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:15:31,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 23:15:31,619 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:15:31,621 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) [2024-10-24 23:15:31,623 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-24 23:15:31,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:15:31,824 INFO L255 TraceCheckSpWp]: Trace formula consists of 572 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-24 23:15:31,826 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 23:15:31,858 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:15:31,859 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 23:15:31,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1371547871] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:15:31,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 23:15:31,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2024-10-24 23:15:31,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006683649] [2024-10-24 23:15:31,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:15:31,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 23:15:31,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:15:31,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 23:15:31,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-10-24 23:15:31,860 INFO L87 Difference]: Start difference. First operand 3590 states and 5122 transitions. Second operand has 4 states, 3 states have (on average 26.666666666666668) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-24 23:15:31,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:15:31,932 INFO L93 Difference]: Finished difference Result 3590 states and 5122 transitions. [2024-10-24 23:15:31,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 23:15:31,933 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 26.666666666666668) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (4), 2 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 87 [2024-10-24 23:15:31,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:15:31,942 INFO L225 Difference]: With dead ends: 3590 [2024-10-24 23:15:31,942 INFO L226 Difference]: Without dead ends: 3589 [2024-10-24 23:15:31,943 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-10-24 23:15:31,944 INFO L432 NwaCegarLoop]: 519 mSDtfsCounter, 1009 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1009 SdHoareTripleChecker+Valid, 519 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 23:15:31,944 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1009 Valid, 519 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 23:15:31,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3589 states. [2024-10-24 23:15:32,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3589 to 3589. [2024-10-24 23:15:32,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3589 states, 3486 states have (on average 1.421399885255307) internal successors, (4955), 3503 states have internal predecessors, (4955), 67 states have call successors, (67), 28 states have call predecessors, (67), 23 states have return successors, (92), 57 states have call predecessors, (92), 67 states have call successors, (92) [2024-10-24 23:15:32,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3589 states to 3589 states and 5114 transitions. [2024-10-24 23:15:32,016 INFO L78 Accepts]: Start accepts. Automaton has 3589 states and 5114 transitions. Word has length 87 [2024-10-24 23:15:32,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:15:32,016 INFO L471 AbstractCegarLoop]: Abstraction has 3589 states and 5114 transitions. [2024-10-24 23:15:32,016 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 26.666666666666668) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-24 23:15:32,016 INFO L276 IsEmpty]: Start isEmpty. Operand 3589 states and 5114 transitions. [2024-10-24 23:15:32,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-10-24 23:15:32,017 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:15:32,017 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-24 23:15:32,030 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-24 23:15:32,217 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 23:15:32,218 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting alt_bzeroErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-24 23:15:32,218 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:15:32,219 INFO L85 PathProgramCache]: Analyzing trace with hash -1138063123, now seen corresponding path program 1 times [2024-10-24 23:15:32,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:15:32,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787575951] [2024-10-24 23:15:32,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:15:32,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:15:32,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:15:32,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 23:15:32,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:15:32,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 23:15:32,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:15:32,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-24 23:15:32,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:15:32,475 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-24 23:15:32,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:15:32,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787575951] [2024-10-24 23:15:32,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787575951] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 23:15:32,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [178286340] [2024-10-24 23:15:32,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:15:32,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 23:15:32,476 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:15:32,477 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) [2024-10-24 23:15:32,479 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-24 23:15:32,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:15:32,704 INFO L255 TraceCheckSpWp]: Trace formula consists of 573 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-24 23:15:32,710 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 23:15:32,810 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:15:32,810 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 23:15:32,935 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-24 23:15:32,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [178286340] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 23:15:32,935 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 23:15:32,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4, 5] total 13 [2024-10-24 23:15:32,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777161388] [2024-10-24 23:15:32,936 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 23:15:32,936 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-24 23:15:32,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:15:32,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-24 23:15:32,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2024-10-24 23:15:32,938 INFO L87 Difference]: Start difference. First operand 3589 states and 5114 transitions. Second operand has 14 states, 13 states have (on average 17.076923076923077) internal successors, (222), 12 states have internal predecessors, (222), 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) [2024-10-24 23:15:33,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:15:33,549 INFO L93 Difference]: Finished difference Result 6645 states and 9465 transitions. [2024-10-24 23:15:33,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-24 23:15:33,549 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 17.076923076923077) internal successors, (222), 12 states have internal predecessors, (222), 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 88 [2024-10-24 23:15:33,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:15:33,565 INFO L225 Difference]: With dead ends: 6645 [2024-10-24 23:15:33,565 INFO L226 Difference]: Without dead ends: 6644 [2024-10-24 23:15:33,567 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 180 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=231, Invalid=471, Unknown=0, NotChecked=0, Total=702 [2024-10-24 23:15:33,567 INFO L432 NwaCegarLoop]: 490 mSDtfsCounter, 2086 mSDsluCounter, 3862 mSDsCounter, 0 mSdLazyCounter, 301 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2095 SdHoareTripleChecker+Valid, 4352 SdHoareTripleChecker+Invalid, 428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 23:15:33,567 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2095 Valid, 4352 Invalid, 428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 301 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 23:15:33,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6644 states. [2024-10-24 23:15:33,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6644 to 5913. [2024-10-24 23:15:33,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5913 states, 5731 states have (on average 1.4180771244110975) internal successors, (8127), 5749 states have internal predecessors, (8127), 117 states have call successors, (117), 62 states have call predecessors, (117), 52 states have return successors, (158), 101 states have call predecessors, (158), 117 states have call successors, (158) [2024-10-24 23:15:33,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5913 states to 5913 states and 8402 transitions. [2024-10-24 23:15:33,684 INFO L78 Accepts]: Start accepts. Automaton has 5913 states and 8402 transitions. Word has length 88 [2024-10-24 23:15:33,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:15:33,685 INFO L471 AbstractCegarLoop]: Abstraction has 5913 states and 8402 transitions. [2024-10-24 23:15:33,685 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 17.076923076923077) internal successors, (222), 12 states have internal predecessors, (222), 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) [2024-10-24 23:15:33,685 INFO L276 IsEmpty]: Start isEmpty. Operand 5913 states and 8402 transitions. [2024-10-24 23:15:33,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-10-24 23:15:33,686 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:15:33,686 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:15:33,701 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-24 23:15:33,890 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 23:15:33,891 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-24 23:15:33,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:15:33,891 INFO L85 PathProgramCache]: Analyzing trace with hash 55893321, now seen corresponding path program 1 times [2024-10-24 23:15:33,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:15:33,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169876945] [2024-10-24 23:15:33,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:15:33,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:15:33,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:15:34,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 23:15:34,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:15:34,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 23:15:34,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:15:34,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-24 23:15:34,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:15:34,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 23:15:34,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:15:34,197 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-24 23:15:34,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:15:34,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169876945] [2024-10-24 23:15:34,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169876945] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:15:34,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:15:34,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 23:15:34,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000468983] [2024-10-24 23:15:34,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:15:34,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 23:15:34,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:15:34,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 23:15:34,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-24 23:15:34,198 INFO L87 Difference]: Start difference. First operand 5913 states and 8402 transitions. Second operand has 6 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 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) [2024-10-24 23:15:34,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:15:34,595 INFO L93 Difference]: Finished difference Result 8100 states and 11570 transitions. [2024-10-24 23:15:34,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 23:15:34,595 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 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 112 [2024-10-24 23:15:34,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:15:34,614 INFO L225 Difference]: With dead ends: 8100 [2024-10-24 23:15:34,614 INFO L226 Difference]: Without dead ends: 8098 [2024-10-24 23:15:34,616 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-24 23:15:34,616 INFO L432 NwaCegarLoop]: 477 mSDtfsCounter, 430 mSDsluCounter, 1777 mSDsCounter, 0 mSdLazyCounter, 330 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 436 SdHoareTripleChecker+Valid, 2254 SdHoareTripleChecker+Invalid, 365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 23:15:34,617 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [436 Valid, 2254 Invalid, 365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 330 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 23:15:34,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8098 states. [2024-10-24 23:15:34,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8098 to 6081. [2024-10-24 23:15:34,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6081 states, 5890 states have (on average 1.4134125636672326) internal successors, (8325), 5909 states have internal predecessors, (8325), 126 states have call successors, (126), 62 states have call predecessors, (126), 52 states have return successors, (170), 109 states have call predecessors, (170), 126 states have call successors, (170) [2024-10-24 23:15:34,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6081 states to 6081 states and 8621 transitions. [2024-10-24 23:15:34,796 INFO L78 Accepts]: Start accepts. Automaton has 6081 states and 8621 transitions. Word has length 112 [2024-10-24 23:15:34,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:15:34,797 INFO L471 AbstractCegarLoop]: Abstraction has 6081 states and 8621 transitions. [2024-10-24 23:15:34,797 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 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) [2024-10-24 23:15:34,797 INFO L276 IsEmpty]: Start isEmpty. Operand 6081 states and 8621 transitions. [2024-10-24 23:15:34,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-10-24 23:15:34,799 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:15:34,800 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-24 23:15:34,800 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-24 23:15:34,800 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-24 23:15:34,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:15:34,800 INFO L85 PathProgramCache]: Analyzing trace with hash -1406251627, now seen corresponding path program 1 times [2024-10-24 23:15:34,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:15:34,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157312327] [2024-10-24 23:15:34,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:15:34,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:15:34,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:15:35,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 23:15:35,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:15:35,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 23:15:35,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:15:35,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-24 23:15:35,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:15:35,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 23:15:35,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:15:35,076 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-24 23:15:35,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:15:35,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157312327] [2024-10-24 23:15:35,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157312327] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 23:15:35,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1506665012] [2024-10-24 23:15:35,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:15:35,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 23:15:35,076 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:15:35,078 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) [2024-10-24 23:15:35,081 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-24 23:15:35,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:15:35,343 INFO L255 TraceCheckSpWp]: Trace formula consists of 757 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-24 23:15:35,348 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 23:15:35,487 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-24 23:15:35,488 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 23:15:35,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1506665012] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:15:35,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 23:15:35,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 12 [2024-10-24 23:15:35,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020521798] [2024-10-24 23:15:35,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:15:35,489 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 23:15:35,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:15:35,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 23:15:35,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-10-24 23:15:35,490 INFO L87 Difference]: Start difference. First operand 6081 states and 8621 transitions. Second operand has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 5 states have internal predecessors, (106), 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) [2024-10-24 23:15:35,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:15:35,745 INFO L93 Difference]: Finished difference Result 11507 states and 16377 transitions. [2024-10-24 23:15:35,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 23:15:35,746 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 5 states have internal predecessors, (106), 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 118 [2024-10-24 23:15:35,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:15:35,763 INFO L225 Difference]: With dead ends: 11507 [2024-10-24 23:15:35,764 INFO L226 Difference]: Without dead ends: 5733 [2024-10-24 23:15:35,771 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2024-10-24 23:15:35,772 INFO L432 NwaCegarLoop]: 502 mSDtfsCounter, 82 mSDsluCounter, 2441 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 2943 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 23:15:35,772 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 2943 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 23:15:35,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5733 states. [2024-10-24 23:15:35,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5733 to 5733. [2024-10-24 23:15:35,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5733 states, 5568 states have (on average 1.4195402298850575) internal successors, (7904), 5584 states have internal predecessors, (7904), 109 states have call successors, (109), 53 states have call predecessors, (109), 43 states have return successors, (144), 95 states have call predecessors, (144), 109 states have call successors, (144) [2024-10-24 23:15:35,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5733 states to 5733 states and 8157 transitions. [2024-10-24 23:15:35,917 INFO L78 Accepts]: Start accepts. Automaton has 5733 states and 8157 transitions. Word has length 118 [2024-10-24 23:15:35,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:15:35,918 INFO L471 AbstractCegarLoop]: Abstraction has 5733 states and 8157 transitions. [2024-10-24 23:15:35,918 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 5 states have internal predecessors, (106), 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) [2024-10-24 23:15:35,918 INFO L276 IsEmpty]: Start isEmpty. Operand 5733 states and 8157 transitions. [2024-10-24 23:15:35,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-10-24 23:15:35,919 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:15:35,919 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-24 23:15:35,933 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-24 23:15:36,119 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,SelfDestructingSolverStorable12 [2024-10-24 23:15:36,120 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-24 23:15:36,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:15:36,120 INFO L85 PathProgramCache]: Analyzing trace with hash 1072127716, now seen corresponding path program 1 times [2024-10-24 23:15:36,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:15:36,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110712620] [2024-10-24 23:15:36,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:15:36,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:15:36,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:15:36,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 23:15:36,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:15:36,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-24 23:15:36,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:15:36,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 23:15:36,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:15:36,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 23:15:36,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:15:36,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 23:15:36,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:15:36,532 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-24 23:15:36,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:15:36,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110712620] [2024-10-24 23:15:36,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1110712620] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 23:15:36,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1152604017] [2024-10-24 23:15:36,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:15:36,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 23:15:36,534 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:15:36,535 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) [2024-10-24 23:15:36,537 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-24 23:15:36,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:15:36,820 INFO L255 TraceCheckSpWp]: Trace formula consists of 767 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-10-24 23:15:36,823 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 23:15:36,829 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 [2024-10-24 23:15:36,845 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 [2024-10-24 23:15:36,860 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 [2024-10-24 23:15:37,444 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-24 23:15:37,444 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 23:15:37,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1152604017] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:15:37,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 23:15:37,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [7] total 16 [2024-10-24 23:15:37,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33256175] [2024-10-24 23:15:37,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:15:37,445 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-24 23:15:37,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:15:37,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-24 23:15:37,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2024-10-24 23:15:37,446 INFO L87 Difference]: Start difference. First operand 5733 states and 8157 transitions. Second operand has 11 states, 11 states have (on average 9.545454545454545) internal successors, (105), 10 states have internal predecessors, (105), 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) [2024-10-24 23:15:38,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:15:38,495 INFO L93 Difference]: Finished difference Result 13452 states and 19215 transitions. [2024-10-24 23:15:38,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 23:15:38,495 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.545454545454545) internal successors, (105), 10 states have internal predecessors, (105), 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 123 [2024-10-24 23:15:38,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:15:38,515 INFO L225 Difference]: With dead ends: 13452 [2024-10-24 23:15:38,515 INFO L226 Difference]: Without dead ends: 7764 [2024-10-24 23:15:38,525 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 121 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=105, Invalid=447, Unknown=0, NotChecked=0, Total=552 [2024-10-24 23:15:38,525 INFO L432 NwaCegarLoop]: 500 mSDtfsCounter, 602 mSDsluCounter, 2555 mSDsCounter, 0 mSdLazyCounter, 728 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 609 SdHoareTripleChecker+Valid, 3055 SdHoareTripleChecker+Invalid, 735 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 728 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-24 23:15:38,526 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [609 Valid, 3055 Invalid, 735 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 728 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-24 23:15:38,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7764 states. [2024-10-24 23:15:38,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7764 to 5733. [2024-10-24 23:15:38,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5733 states, 5568 states have (on average 1.419360632183908) internal successors, (7903), 5584 states have internal predecessors, (7903), 109 states have call successors, (109), 53 states have call predecessors, (109), 43 states have return successors, (144), 95 states have call predecessors, (144), 109 states have call successors, (144) [2024-10-24 23:15:38,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5733 states to 5733 states and 8156 transitions. [2024-10-24 23:15:38,683 INFO L78 Accepts]: Start accepts. Automaton has 5733 states and 8156 transitions. Word has length 123 [2024-10-24 23:15:38,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:15:38,684 INFO L471 AbstractCegarLoop]: Abstraction has 5733 states and 8156 transitions. [2024-10-24 23:15:38,684 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.545454545454545) internal successors, (105), 10 states have internal predecessors, (105), 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) [2024-10-24 23:15:38,684 INFO L276 IsEmpty]: Start isEmpty. Operand 5733 states and 8156 transitions. [2024-10-24 23:15:38,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-10-24 23:15:38,685 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:15:38,685 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-24 23:15:38,705 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-24 23:15:38,886 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 23:15:38,886 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-24 23:15:38,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:15:38,887 INFO L85 PathProgramCache]: Analyzing trace with hash 1993915739, now seen corresponding path program 1 times [2024-10-24 23:15:38,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:15:38,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793927442] [2024-10-24 23:15:38,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:15:38,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:15:39,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:15:39,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-24 23:15:39,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:15:39,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-24 23:15:39,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:15:39,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 23:15:39,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:15:39,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 23:15:39,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:15:39,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 23:15:39,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:15:39,212 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-24 23:15:39,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:15:39,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793927442] [2024-10-24 23:15:39,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793927442] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 23:15:39,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [260725202] [2024-10-24 23:15:39,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:15:39,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 23:15:39,213 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:15:39,214 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) [2024-10-24 23:15:39,215 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-24 23:15:39,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:15:39,584 INFO L255 TraceCheckSpWp]: Trace formula consists of 768 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-10-24 23:15:39,588 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 23:16:33,465 WARN L286 SmtUtils]: Spent 5.04s on a formula simplification. DAG size of input: 16 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-10-24 23:16:52,553 WARN L286 SmtUtils]: Spent 12.01s on a formula simplification that was a NOOP. DAG size: 30 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)