./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_test6-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 bd635b7902366e8a0b08b14a90a1f3949f04bf734a3e09a83f5077ced842f5da --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 23:37:20,365 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 23:37:20,434 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-11 23:37:20,439 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 23:37:20,439 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 23:37:20,465 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 23:37:20,465 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 23:37:20,466 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 23:37:20,466 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 23:37:20,466 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 23:37:20,466 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 23:37:20,467 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 23:37:20,467 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 23:37:20,467 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 23:37:20,467 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 23:37:20,468 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 23:37:20,468 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 23:37:20,468 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 23:37:20,468 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 23:37:20,468 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 23:37:20,469 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 23:37:20,472 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 23:37:20,472 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 23:37:20,472 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 23:37:20,472 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 23:37:20,473 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-11 23:37:20,473 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 23:37:20,475 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 23:37:20,475 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 23:37:20,476 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 23:37:20,476 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 23:37:20,476 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 23:37:20,476 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 23:37:20,476 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 23:37:20,476 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 23:37:20,476 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 23:37:20,477 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 23:37:20,477 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 23:37:20,477 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 23:37:20,477 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 23:37:20,477 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 23:37:20,478 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 23:37:20,478 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 23:37:20,478 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 23:37:20,479 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bd635b7902366e8a0b08b14a90a1f3949f04bf734a3e09a83f5077ced842f5da [2024-10-11 23:37:20,701 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 23:37:20,723 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 23:37:20,726 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 23:37:20,728 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 23:37:20,728 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 23:37:20,729 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i [2024-10-11 23:37:22,076 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 23:37:22,403 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 23:37:22,403 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i [2024-10-11 23:37:22,424 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/3907bb4ec/ead5bad41b5c475b9ddc7904a9e2c686/FLAG84b19c1d4 [2024-10-11 23:37:22,437 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/3907bb4ec/ead5bad41b5c475b9ddc7904a9e2c686 [2024-10-11 23:37:22,439 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 23:37:22,441 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 23:37:22,442 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 23:37:22,442 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 23:37:22,450 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 23:37:22,451 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 11:37:22" (1/1) ... [2024-10-11 23:37:22,453 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e56ef92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:37:22, skipping insertion in model container [2024-10-11 23:37:22,453 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 11:37:22" (1/1) ... [2024-10-11 23:37:22,507 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 23:37:23,046 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 23:37:23,054 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 23:37:23,126 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 23:37:23,174 INFO L204 MainTranslator]: Completed translation [2024-10-11 23:37:23,175 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:37:23 WrapperNode [2024-10-11 23:37:23,175 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 23:37:23,176 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 23:37:23,176 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 23:37:23,176 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 23:37:23,181 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:37:23" (1/1) ... [2024-10-11 23:37:23,213 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:37:23" (1/1) ... [2024-10-11 23:37:23,264 INFO L138 Inliner]: procedures = 282, calls = 343, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 1648 [2024-10-11 23:37:23,265 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 23:37:23,265 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 23:37:23,265 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 23:37:23,265 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 23:37:23,278 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:37:23" (1/1) ... [2024-10-11 23:37:23,279 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:37:23" (1/1) ... [2024-10-11 23:37:23,322 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:37:23" (1/1) ... [2024-10-11 23:37:23,439 INFO L175 MemorySlicer]: Split 309 memory accesses to 4 slices as follows [2, 3, 34, 270]. 87 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0]. The 63 writes are split as follows [0, 2, 4, 57]. [2024-10-11 23:37:23,439 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:37:23" (1/1) ... [2024-10-11 23:37:23,439 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:37:23" (1/1) ... [2024-10-11 23:37:23,484 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:37:23" (1/1) ... [2024-10-11 23:37:23,499 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:37:23" (1/1) ... [2024-10-11 23:37:23,511 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:37:23" (1/1) ... [2024-10-11 23:37:23,519 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:37:23" (1/1) ... [2024-10-11 23:37:23,536 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 23:37:23,537 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 23:37:23,537 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 23:37:23,537 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 23:37:23,538 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:37:23" (1/1) ... [2024-10-11 23:37:23,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 23:37:23,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:37:23,569 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 23:37:23,579 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 23:37:23,616 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-10-11 23:37:23,616 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-10-11 23:37:23,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-11 23:37:23,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-11 23:37:23,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-11 23:37:23,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-11 23:37:23,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-11 23:37:23,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-11 23:37:23,617 INFO L130 BoogieDeclarations]: Found specification of procedure alt_bzero [2024-10-11 23:37:23,617 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_bzero [2024-10-11 23:37:23,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-11 23:37:23,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-11 23:37:23,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-11 23:37:23,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-11 23:37:23,617 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-11 23:37:23,617 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-11 23:37:23,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-11 23:37:23,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-11 23:37:23,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-11 23:37:23,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-11 23:37:23,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-11 23:37:23,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 23:37:23,618 INFO L130 BoogieDeclarations]: Found specification of procedure alt_malloc [2024-10-11 23:37:23,618 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_malloc [2024-10-11 23:37:23,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-11 23:37:23,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-11 23:37:23,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-11 23:37:23,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-11 23:37:23,619 INFO L130 BoogieDeclarations]: Found specification of procedure alt_free [2024-10-11 23:37:23,620 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_free [2024-10-11 23:37:23,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 23:37:23,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-11 23:37:23,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-11 23:37:23,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-11 23:37:23,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 23:37:23,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 23:37:23,810 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 23:37:23,812 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 23:37:24,986 INFO L? ?]: Removed 376 outVars from TransFormulas that were not future-live. [2024-10-11 23:37:24,987 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 23:37:25,057 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 23:37:25,057 INFO L314 CfgBuilder]: Removed 72 assume(true) statements. [2024-10-11 23:37:25,057 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 11:37:25 BoogieIcfgContainer [2024-10-11 23:37:25,057 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 23:37:25,062 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 23:37:25,062 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 23:37:25,065 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 23:37:25,065 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 11:37:22" (1/3) ... [2024-10-11 23:37:25,065 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e2427ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 11:37:25, skipping insertion in model container [2024-10-11 23:37:25,066 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:37:23" (2/3) ... [2024-10-11 23:37:25,066 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e2427ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 11:37:25, skipping insertion in model container [2024-10-11 23:37:25,066 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 11:37:25" (3/3) ... [2024-10-11 23:37:25,067 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test6-2.i [2024-10-11 23:37:25,081 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 23:37:25,081 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2024-10-11 23:37:25,136 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 23:37:25,142 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;@627d5f42, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 23:37:25,142 INFO L334 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2024-10-11 23:37:25,147 INFO L276 IsEmpty]: Start isEmpty. Operand has 490 states, 451 states have (on average 1.6208425720620843) internal successors, (731), 468 states have internal predecessors, (731), 20 states have call successors, (20), 5 states have call predecessors, (20), 5 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-11 23:37:25,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-11 23:37:25,151 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:37:25,152 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-11 23:37:25,152 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)] === [2024-10-11 23:37:25,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:37:25,156 INFO L85 PathProgramCache]: Analyzing trace with hash 612313603, now seen corresponding path program 1 times [2024-10-11 23:37:25,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:37:25,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605910523] [2024-10-11 23:37:25,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:37:25,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:37:25,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:25,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:37:25,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:37:25,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605910523] [2024-10-11 23:37:25,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605910523] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:37:25,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:37:25,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 23:37:25,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155092178] [2024-10-11 23:37:25,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:37:25,303 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 23:37:25,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:37:25,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 23:37:25,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 23:37:25,325 INFO L87 Difference]: Start difference. First operand has 490 states, 451 states have (on average 1.6208425720620843) internal successors, (731), 468 states have internal predecessors, (731), 20 states have call successors, (20), 5 states have call predecessors, (20), 5 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) 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) [2024-10-11 23:37:25,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:37:25,439 INFO L93 Difference]: Finished difference Result 974 states and 1548 transitions. [2024-10-11 23:37:25,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 23:37:25,444 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 [2024-10-11 23:37:25,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:37:25,457 INFO L225 Difference]: With dead ends: 974 [2024-10-11 23:37:25,458 INFO L226 Difference]: Without dead ends: 478 [2024-10-11 23:37:25,465 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 [2024-10-11 23:37:25,467 INFO L432 NwaCegarLoop]: 675 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 675 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 23:37:25,468 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 675 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 23:37:25,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2024-10-11 23:37:25,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 478. [2024-10-11 23:37:25,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 478 states, 445 states have (on average 1.447191011235955) internal successors, (644), 459 states have internal predecessors, (644), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-10-11 23:37:25,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 674 transitions. [2024-10-11 23:37:25,518 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 674 transitions. Word has length 6 [2024-10-11 23:37:25,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:37:25,518 INFO L471 AbstractCegarLoop]: Abstraction has 478 states and 674 transitions. [2024-10-11 23:37:25,518 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) [2024-10-11 23:37:25,518 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 674 transitions. [2024-10-11 23:37:25,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-11 23:37:25,519 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:37:25,519 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-11 23:37:25,519 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 23:37:25,519 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)] === [2024-10-11 23:37:25,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:37:25,520 INFO L85 PathProgramCache]: Analyzing trace with hash 612315525, now seen corresponding path program 1 times [2024-10-11 23:37:25,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:37:25,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357446354] [2024-10-11 23:37:25,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:37:25,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:37:25,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 23:37:25,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1041052511] [2024-10-11 23:37:25,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:37:25,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:37:25,547 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:37:25,548 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 23:37:25,554 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-11 23:37:25,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:25,688 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-11 23:37:25,692 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:37:25,743 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 [2024-10-11 23:37:25,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:37:25,771 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 23:37:25,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:37:25,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357446354] [2024-10-11 23:37:25,773 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 23:37:25,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1041052511] [2024-10-11 23:37:25,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1041052511] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:37:25,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:37:25,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 23:37:25,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436134670] [2024-10-11 23:37:25,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:37:25,775 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 23:37:25,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:37:25,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 23:37:25,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 23:37:25,776 INFO L87 Difference]: Start difference. First operand 478 states and 674 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) [2024-10-11 23:37:25,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:37:25,941 INFO L93 Difference]: Finished difference Result 927 states and 1320 transitions. [2024-10-11 23:37:25,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 23:37:25,941 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 [2024-10-11 23:37:25,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:37:25,946 INFO L225 Difference]: With dead ends: 927 [2024-10-11 23:37:25,946 INFO L226 Difference]: Without dead ends: 925 [2024-10-11 23:37:25,947 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 [2024-10-11 23:37:25,950 INFO L432 NwaCegarLoop]: 683 mSDtfsCounter, 611 mSDsluCounter, 1313 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 625 SdHoareTripleChecker+Valid, 1996 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 23:37:25,951 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [625 Valid, 1996 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 23:37:25,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 925 states. [2024-10-11 23:37:25,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 925 to 484. [2024-10-11 23:37:25,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 484 states, 451 states have (on average 1.4434589800443458) internal successors, (651), 465 states have internal predecessors, (651), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-10-11 23:37:25,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 681 transitions. [2024-10-11 23:37:25,992 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 681 transitions. Word has length 6 [2024-10-11 23:37:25,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:37:25,994 INFO L471 AbstractCegarLoop]: Abstraction has 484 states and 681 transitions. [2024-10-11 23:37:25,994 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) [2024-10-11 23:37:25,995 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 681 transitions. [2024-10-11 23:37:25,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-10-11 23:37:25,996 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:37:25,996 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:37:26,012 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-11 23:37:26,196 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:37:26,197 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-11 23:37:26,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:37:26,198 INFO L85 PathProgramCache]: Analyzing trace with hash 1096986538, now seen corresponding path program 1 times [2024-10-11 23:37:26,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:37:26,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663593203] [2024-10-11 23:37:26,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:37:26,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:37:26,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:26,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 23:37:26,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:26,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 23:37:26,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:26,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 23:37:26,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:26,381 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 23:37:26,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:37:26,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663593203] [2024-10-11 23:37:26,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [663593203] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:37:26,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:37:26,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 23:37:26,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894350964] [2024-10-11 23:37:26,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:37:26,383 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 23:37:26,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:37:26,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 23:37:26,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 23:37:26,384 INFO L87 Difference]: Start difference. First operand 484 states and 681 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-11 23:37:26,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:37:26,522 INFO L93 Difference]: Finished difference Result 1175 states and 1671 transitions. [2024-10-11 23:37:26,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 23:37:26,522 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 33 [2024-10-11 23:37:26,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:37:26,528 INFO L225 Difference]: With dead ends: 1175 [2024-10-11 23:37:26,528 INFO L226 Difference]: Without dead ends: 924 [2024-10-11 23:37:26,529 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 23:37:26,530 INFO L432 NwaCegarLoop]: 701 mSDtfsCounter, 612 mSDsluCounter, 1334 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 626 SdHoareTripleChecker+Valid, 2035 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 23:37:26,530 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [626 Valid, 2035 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 23:37:26,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 924 states. [2024-10-11 23:37:26,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 924 to 484. [2024-10-11 23:37:26,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 484 states, 451 states have (on average 1.441241685144124) internal successors, (650), 465 states have internal predecessors, (650), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-10-11 23:37:26,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 680 transitions. [2024-10-11 23:37:26,544 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 680 transitions. Word has length 33 [2024-10-11 23:37:26,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:37:26,544 INFO L471 AbstractCegarLoop]: Abstraction has 484 states and 680 transitions. [2024-10-11 23:37:26,544 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-11 23:37:26,544 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 680 transitions. [2024-10-11 23:37:26,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-10-11 23:37:26,546 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:37:26,546 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] [2024-10-11 23:37:26,546 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 23:37:26,546 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)] === [2024-10-11 23:37:26,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:37:26,547 INFO L85 PathProgramCache]: Analyzing trace with hash -630495610, now seen corresponding path program 1 times [2024-10-11 23:37:26,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:37:26,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742644252] [2024-10-11 23:37:26,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:37:26,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:37:26,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:26,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:37:26,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:37:26,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742644252] [2024-10-11 23:37:26,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742644252] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:37:26,754 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:37:26,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 23:37:26,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101848726] [2024-10-11 23:37:26,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:37:26,755 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 23:37:26,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:37:26,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 23:37:26,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 23:37:26,756 INFO L87 Difference]: Start difference. First operand 484 states and 680 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) [2024-10-11 23:37:26,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:37:26,849 INFO L93 Difference]: Finished difference Result 919 states and 1287 transitions. [2024-10-11 23:37:26,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 23:37:26,849 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 [2024-10-11 23:37:26,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:37:26,851 INFO L225 Difference]: With dead ends: 919 [2024-10-11 23:37:26,852 INFO L226 Difference]: Without dead ends: 442 [2024-10-11 23:37:26,853 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 [2024-10-11 23:37:26,854 INFO L432 NwaCegarLoop]: 564 mSDtfsCounter, 30 mSDsluCounter, 1111 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 1675 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 23:37:26,854 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 1675 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 23:37:26,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2024-10-11 23:37:26,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 442. [2024-10-11 23:37:26,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 442 states, 409 states have (on average 1.4009779951100245) internal successors, (573), 423 states have internal predecessors, (573), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-10-11 23:37:26,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 603 transitions. [2024-10-11 23:37:26,867 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 603 transitions. Word has length 62 [2024-10-11 23:37:26,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:37:26,867 INFO L471 AbstractCegarLoop]: Abstraction has 442 states and 603 transitions. [2024-10-11 23:37:26,867 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) [2024-10-11 23:37:26,867 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 603 transitions. [2024-10-11 23:37:26,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-10-11 23:37:26,869 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:37:26,869 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] [2024-10-11 23:37:26,870 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 23:37:26,870 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-11 23:37:26,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:37:26,870 INFO L85 PathProgramCache]: Analyzing trace with hash -1694695558, now seen corresponding path program 1 times [2024-10-11 23:37:26,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:37:26,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438708411] [2024-10-11 23:37:26,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:37:26,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:37:26,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:27,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:37:27,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:37:27,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438708411] [2024-10-11 23:37:27,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438708411] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:37:27,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:37:27,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 23:37:27,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936837237] [2024-10-11 23:37:27,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:37:27,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 23:37:27,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:37:27,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 23:37:27,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 23:37:27,041 INFO L87 Difference]: Start difference. First operand 442 states and 603 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) [2024-10-11 23:37:27,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:37:27,101 INFO L93 Difference]: Finished difference Result 811 states and 1114 transitions. [2024-10-11 23:37:27,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 23:37:27,101 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 [2024-10-11 23:37:27,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:37:27,105 INFO L225 Difference]: With dead ends: 811 [2024-10-11 23:37:27,105 INFO L226 Difference]: Without dead ends: 807 [2024-10-11 23:37:27,106 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 [2024-10-11 23:37:27,106 INFO L432 NwaCegarLoop]: 580 mSDtfsCounter, 437 mSDsluCounter, 1151 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 437 SdHoareTripleChecker+Valid, 1731 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 23:37:27,107 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [437 Valid, 1731 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 23:37:27,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 807 states. [2024-10-11 23:37:27,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 807 to 799. [2024-10-11 23:37:27,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 799 states, 758 states have (on average 1.4063324538258575) internal successors, (1066), 774 states have internal predecessors, (1066), 22 states have call successors, (22), 7 states have call predecessors, (22), 5 states have return successors, (22), 18 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-11 23:37:27,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 799 states to 799 states and 1110 transitions. [2024-10-11 23:37:27,122 INFO L78 Accepts]: Start accepts. Automaton has 799 states and 1110 transitions. Word has length 62 [2024-10-11 23:37:27,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:37:27,123 INFO L471 AbstractCegarLoop]: Abstraction has 799 states and 1110 transitions. [2024-10-11 23:37:27,123 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) [2024-10-11 23:37:27,123 INFO L276 IsEmpty]: Start isEmpty. Operand 799 states and 1110 transitions. [2024-10-11 23:37:27,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-10-11 23:37:27,124 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:37:27,124 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] [2024-10-11 23:37:27,124 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 23:37:27,125 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)] === [2024-10-11 23:37:27,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:37:27,125 INFO L85 PathProgramCache]: Analyzing trace with hash 1581839952, now seen corresponding path program 1 times [2024-10-11 23:37:27,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:37:27,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541529691] [2024-10-11 23:37:27,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:37:27,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:37:27,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:27,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 23:37:27,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:27,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:37:27,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:37:27,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541529691] [2024-10-11 23:37:27,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1541529691] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:37:27,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:37:27,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 23:37:27,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418461621] [2024-10-11 23:37:27,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:37:27,334 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 23:37:27,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:37:27,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 23:37:27,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 23:37:27,335 INFO L87 Difference]: Start difference. First operand 799 states and 1110 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) [2024-10-11 23:37:27,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:37:27,483 INFO L93 Difference]: Finished difference Result 1068 states and 1481 transitions. [2024-10-11 23:37:27,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 23:37:27,483 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 [2024-10-11 23:37:27,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:37:27,488 INFO L225 Difference]: With dead ends: 1068 [2024-10-11 23:37:27,488 INFO L226 Difference]: Without dead ends: 1066 [2024-10-11 23:37:27,489 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 [2024-10-11 23:37:27,490 INFO L432 NwaCegarLoop]: 565 mSDtfsCounter, 489 mSDsluCounter, 1098 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 493 SdHoareTripleChecker+Valid, 1663 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 23:37:27,490 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [493 Valid, 1663 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 23:37:27,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1066 states. [2024-10-11 23:37:27,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1066 to 1056. [2024-10-11 23:37:27,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1056 states, 1002 states have (on average 1.4121756487025947) internal successors, (1415), 1019 states have internal predecessors, (1415), 32 states have call successors, (32), 10 states have call predecessors, (32), 8 states have return successors, (32), 28 states have call predecessors, (32), 32 states have call successors, (32) [2024-10-11 23:37:27,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1056 states to 1056 states and 1479 transitions. [2024-10-11 23:37:27,513 INFO L78 Accepts]: Start accepts. Automaton has 1056 states and 1479 transitions. Word has length 71 [2024-10-11 23:37:27,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:37:27,513 INFO L471 AbstractCegarLoop]: Abstraction has 1056 states and 1479 transitions. [2024-10-11 23:37:27,513 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) [2024-10-11 23:37:27,514 INFO L276 IsEmpty]: Start isEmpty. Operand 1056 states and 1479 transitions. [2024-10-11 23:37:27,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-10-11 23:37:27,515 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:37:27,515 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:37:27,515 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 23:37:27,515 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-11 23:37:27,516 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:37:27,516 INFO L85 PathProgramCache]: Analyzing trace with hash 318405018, now seen corresponding path program 1 times [2024-10-11 23:37:27,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:37:27,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899019746] [2024-10-11 23:37:27,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:37:27,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:37:27,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:27,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 23:37:27,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:27,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 23:37:27,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:27,841 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:37:27,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:37:27,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899019746] [2024-10-11 23:37:27,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [899019746] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 23:37:27,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [590874381] [2024-10-11 23:37:27,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:37:27,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:37:27,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:37:27,844 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 23:37:27,846 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-11 23:37:28,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:28,072 INFO L255 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-11 23:37:28,076 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:37:28,151 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:37:28,152 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 23:37:28,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [590874381] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:37:28,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 23:37:28,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 11 [2024-10-11 23:37:28,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809217435] [2024-10-11 23:37:28,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:37:28,154 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 23:37:28,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:37:28,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 23:37:28,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-10-11 23:37:28,155 INFO L87 Difference]: Start difference. First operand 1056 states and 1479 transitions. Second operand has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 23:37:28,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:37:28,229 INFO L93 Difference]: Finished difference Result 1427 states and 1991 transitions. [2024-10-11 23:37:28,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 23:37:28,233 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 78 [2024-10-11 23:37:28,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:37:28,239 INFO L225 Difference]: With dead ends: 1427 [2024-10-11 23:37:28,239 INFO L226 Difference]: Without dead ends: 1426 [2024-10-11 23:37:28,239 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2024-10-11 23:37:28,240 INFO L432 NwaCegarLoop]: 573 mSDtfsCounter, 555 mSDsluCounter, 1080 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 555 SdHoareTripleChecker+Valid, 1653 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 23:37:28,240 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [555 Valid, 1653 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 23:37:28,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1426 states. [2024-10-11 23:37:28,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1426 to 1377. [2024-10-11 23:37:28,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1377 states, 1316 states have (on average 1.4141337386018238) internal successors, (1861), 1335 states have internal predecessors, (1861), 37 states have call successors, (37), 13 states have call predecessors, (37), 10 states have return successors, (37), 30 states have call predecessors, (37), 37 states have call successors, (37) [2024-10-11 23:37:28,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1377 states to 1377 states and 1935 transitions. [2024-10-11 23:37:28,275 INFO L78 Accepts]: Start accepts. Automaton has 1377 states and 1935 transitions. Word has length 78 [2024-10-11 23:37:28,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:37:28,275 INFO L471 AbstractCegarLoop]: Abstraction has 1377 states and 1935 transitions. [2024-10-11 23:37:28,275 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-11 23:37:28,275 INFO L276 IsEmpty]: Start isEmpty. Operand 1377 states and 1935 transitions. [2024-10-11 23:37:28,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-10-11 23:37:28,276 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:37:28,276 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] [2024-10-11 23:37:28,296 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-11 23:37:28,476 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:37:28,477 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)] === [2024-10-11 23:37:28,478 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:37:28,478 INFO L85 PathProgramCache]: Analyzing trace with hash 1280621007, now seen corresponding path program 1 times [2024-10-11 23:37:28,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:37:28,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796484863] [2024-10-11 23:37:28,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:37:28,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:37:28,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:28,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 23:37:28,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:28,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 23:37:28,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:28,835 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:37:28,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:37:28,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796484863] [2024-10-11 23:37:28,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796484863] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 23:37:28,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [547654158] [2024-10-11 23:37:28,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:37:28,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:37:28,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:37:28,841 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 23:37:28,849 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-11 23:37:29,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:29,068 INFO L255 TraceCheckSpWp]: Trace formula consists of 479 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-11 23:37:29,075 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:37:29,217 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:37:29,217 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 23:37:29,430 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:37:29,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [547654158] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 23:37:29,431 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 23:37:29,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 7] total 18 [2024-10-11 23:37:29,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459134749] [2024-10-11 23:37:29,431 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 23:37:29,432 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-10-11 23:37:29,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:37:29,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-10-11 23:37:29,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=269, Unknown=0, NotChecked=0, Total=342 [2024-10-11 23:37:29,433 INFO L87 Difference]: Start difference. First operand 1377 states and 1935 transitions. Second operand has 19 states, 18 states have (on average 11.833333333333334) internal successors, (213), 15 states have internal predecessors, (213), 5 states have call successors, (8), 7 states have call predecessors, (8), 5 states have return successors, (6), 2 states have call predecessors, (6), 5 states have call successors, (6) [2024-10-11 23:37:31,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:37:31,027 INFO L93 Difference]: Finished difference Result 3721 states and 5212 transitions. [2024-10-11 23:37:31,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-10-11 23:37:31,028 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 11.833333333333334) internal successors, (213), 15 states have internal predecessors, (213), 5 states have call successors, (8), 7 states have call predecessors, (8), 5 states have return successors, (6), 2 states have call predecessors, (6), 5 states have call successors, (6) Word has length 79 [2024-10-11 23:37:31,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:37:31,045 INFO L225 Difference]: With dead ends: 3721 [2024-10-11 23:37:31,045 INFO L226 Difference]: Without dead ends: 3719 [2024-10-11 23:37:31,048 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 437 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=542, Invalid=1350, Unknown=0, NotChecked=0, Total=1892 [2024-10-11 23:37:31,049 INFO L432 NwaCegarLoop]: 634 mSDtfsCounter, 5594 mSDsluCounter, 6081 mSDsCounter, 0 mSdLazyCounter, 694 mSolverCounterSat, 369 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5619 SdHoareTripleChecker+Valid, 6715 SdHoareTripleChecker+Invalid, 1063 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 369 IncrementalHoareTripleChecker+Valid, 694 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-11 23:37:31,049 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5619 Valid, 6715 Invalid, 1063 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [369 Valid, 694 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-11 23:37:31,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3719 states. [2024-10-11 23:37:31,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3719 to 2752. [2024-10-11 23:37:31,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2752 states, 2632 states have (on average 1.3962765957446808) internal successors, (3675), 2653 states have internal predecessors, (3675), 83 states have call successors, (83), 28 states have call predecessors, (83), 23 states have return successors, (106), 70 states have call predecessors, (106), 83 states have call successors, (106) [2024-10-11 23:37:31,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2752 states to 2752 states and 3864 transitions. [2024-10-11 23:37:31,124 INFO L78 Accepts]: Start accepts. Automaton has 2752 states and 3864 transitions. Word has length 79 [2024-10-11 23:37:31,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:37:31,124 INFO L471 AbstractCegarLoop]: Abstraction has 2752 states and 3864 transitions. [2024-10-11 23:37:31,125 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 11.833333333333334) internal successors, (213), 15 states have internal predecessors, (213), 5 states have call successors, (8), 7 states have call predecessors, (8), 5 states have return successors, (6), 2 states have call predecessors, (6), 5 states have call successors, (6) [2024-10-11 23:37:31,125 INFO L276 IsEmpty]: Start isEmpty. Operand 2752 states and 3864 transitions. [2024-10-11 23:37:31,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-10-11 23:37:31,125 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:37:31,126 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] [2024-10-11 23:37:31,143 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-11 23:37:31,329 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:37:31,330 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)] === [2024-10-11 23:37:31,330 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:37:31,330 INFO L85 PathProgramCache]: Analyzing trace with hash 1237871349, now seen corresponding path program 1 times [2024-10-11 23:37:31,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:37:31,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580274593] [2024-10-11 23:37:31,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:37:31,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:37:31,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:31,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:37:31,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:37:31,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580274593] [2024-10-11 23:37:31,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580274593] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:37:31,451 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:37:31,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 23:37:31,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487230013] [2024-10-11 23:37:31,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:37:31,452 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 23:37:31,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:37:31,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 23:37:31,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 23:37:31,453 INFO L87 Difference]: Start difference. First operand 2752 states and 3864 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) [2024-10-11 23:37:31,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:37:31,693 INFO L93 Difference]: Finished difference Result 5765 states and 8133 transitions. [2024-10-11 23:37:31,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 23:37:31,693 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 [2024-10-11 23:37:31,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:37:31,703 INFO L225 Difference]: With dead ends: 5765 [2024-10-11 23:37:31,703 INFO L226 Difference]: Without dead ends: 3020 [2024-10-11 23:37:31,708 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 [2024-10-11 23:37:31,708 INFO L432 NwaCegarLoop]: 808 mSDtfsCounter, 342 mSDsluCounter, 548 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 347 SdHoareTripleChecker+Valid, 1356 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 23:37:31,708 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [347 Valid, 1356 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 23:37:31,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3020 states. [2024-10-11 23:37:31,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3020 to 2909. [2024-10-11 23:37:31,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2909 states, 2795 states have (on average 1.4089445438282648) internal successors, (3938), 2815 states have internal predecessors, (3938), 80 states have call successors, (80), 24 states have call predecessors, (80), 20 states have return successors, (102), 69 states have call predecessors, (102), 80 states have call successors, (102) [2024-10-11 23:37:31,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2909 states to 2909 states and 4120 transitions. [2024-10-11 23:37:31,784 INFO L78 Accepts]: Start accepts. Automaton has 2909 states and 4120 transitions. Word has length 80 [2024-10-11 23:37:31,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:37:31,785 INFO L471 AbstractCegarLoop]: Abstraction has 2909 states and 4120 transitions. [2024-10-11 23:37:31,785 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) [2024-10-11 23:37:31,785 INFO L276 IsEmpty]: Start isEmpty. Operand 2909 states and 4120 transitions. [2024-10-11 23:37:31,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-10-11 23:37:31,787 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:37:31,788 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] [2024-10-11 23:37:31,788 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-11 23:37:31,788 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)] === [2024-10-11 23:37:31,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:37:31,788 INFO L85 PathProgramCache]: Analyzing trace with hash 593112272, now seen corresponding path program 1 times [2024-10-11 23:37:31,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:37:31,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684097877] [2024-10-11 23:37:31,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:37:31,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:37:31,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:32,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 23:37:32,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:32,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 23:37:32,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:32,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 23:37:32,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:32,098 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-11 23:37:32,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:37:32,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684097877] [2024-10-11 23:37:32,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684097877] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 23:37:32,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1216859719] [2024-10-11 23:37:32,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:37:32,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:37:32,100 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:37:32,102 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 23:37:32,104 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-11 23:37:32,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:32,348 INFO L255 TraceCheckSpWp]: Trace formula consists of 572 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 23:37:32,351 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:37:32,396 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:37:32,396 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 23:37:32,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1216859719] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:37:32,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 23:37:32,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2024-10-11 23:37:32,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511445849] [2024-10-11 23:37:32,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:37:32,397 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 23:37:32,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:37:32,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 23:37:32,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-10-11 23:37:32,398 INFO L87 Difference]: Start difference. First operand 2909 states and 4120 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) [2024-10-11 23:37:32,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:37:32,482 INFO L93 Difference]: Finished difference Result 2909 states and 4120 transitions. [2024-10-11 23:37:32,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 23:37:32,483 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 [2024-10-11 23:37:32,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:37:32,490 INFO L225 Difference]: With dead ends: 2909 [2024-10-11 23:37:32,490 INFO L226 Difference]: Without dead ends: 2908 [2024-10-11 23:37:32,491 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 [2024-10-11 23:37:32,491 INFO L432 NwaCegarLoop]: 578 mSDtfsCounter, 1121 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1121 SdHoareTripleChecker+Valid, 578 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 23:37:32,491 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1121 Valid, 578 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 23:37:32,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2908 states. [2024-10-11 23:37:32,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2908 to 2908. [2024-10-11 23:37:32,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2908 states, 2795 states have (on average 1.4071556350626118) internal successors, (3933), 2814 states have internal predecessors, (3933), 80 states have call successors, (80), 24 states have call predecessors, (80), 20 states have return successors, (102), 69 states have call predecessors, (102), 80 states have call successors, (102) [2024-10-11 23:37:32,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2908 states to 2908 states and 4115 transitions. [2024-10-11 23:37:32,549 INFO L78 Accepts]: Start accepts. Automaton has 2908 states and 4115 transitions. Word has length 87 [2024-10-11 23:37:32,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:37:32,550 INFO L471 AbstractCegarLoop]: Abstraction has 2908 states and 4115 transitions. [2024-10-11 23:37:32,550 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) [2024-10-11 23:37:32,550 INFO L276 IsEmpty]: Start isEmpty. Operand 2908 states and 4115 transitions. [2024-10-11 23:37:32,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-10-11 23:37:32,550 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:37:32,551 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] [2024-10-11 23:37:32,564 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-11 23:37:32,751 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-10-11 23:37:32,751 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)] === [2024-10-11 23:37:32,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:37:32,752 INFO L85 PathProgramCache]: Analyzing trace with hash 1206611317, now seen corresponding path program 1 times [2024-10-11 23:37:32,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:37:32,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929742719] [2024-10-11 23:37:32,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:37:32,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:37:32,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:32,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 23:37:32,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:32,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 23:37:32,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:33,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 23:37:33,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:33,008 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-11 23:37:33,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:37:33,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929742719] [2024-10-11 23:37:33,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929742719] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 23:37:33,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [243453822] [2024-10-11 23:37:33,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:37:33,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:37:33,008 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:37:33,010 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 23:37:33,011 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-11 23:37:33,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:33,233 INFO L255 TraceCheckSpWp]: Trace formula consists of 573 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-11 23:37:33,235 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:37:33,328 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:37:33,328 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 23:37:33,459 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-11 23:37:33,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [243453822] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 23:37:33,460 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 23:37:33,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4, 5] total 13 [2024-10-11 23:37:33,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445435032] [2024-10-11 23:37:33,460 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 23:37:33,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-11 23:37:33,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:37:33,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-11 23:37:33,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2024-10-11 23:37:33,462 INFO L87 Difference]: Start difference. First operand 2908 states and 4115 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) [2024-10-11 23:37:34,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:37:34,224 INFO L93 Difference]: Finished difference Result 5818 states and 8241 transitions. [2024-10-11 23:37:34,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-11 23:37:34,225 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 [2024-10-11 23:37:34,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:37:34,242 INFO L225 Difference]: With dead ends: 5818 [2024-10-11 23:37:34,243 INFO L226 Difference]: Without dead ends: 5817 [2024-10-11 23:37:34,245 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 [2024-10-11 23:37:34,245 INFO L432 NwaCegarLoop]: 545 mSDtfsCounter, 2434 mSDsluCounter, 4172 mSDsCounter, 0 mSdLazyCounter, 394 mSolverCounterSat, 260 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2453 SdHoareTripleChecker+Valid, 4717 SdHoareTripleChecker+Invalid, 654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 260 IncrementalHoareTripleChecker+Valid, 394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 23:37:34,246 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2453 Valid, 4717 Invalid, 654 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [260 Valid, 394 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 23:37:34,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5817 states. [2024-10-11 23:37:34,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5817 to 5384. [2024-10-11 23:37:34,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5384 states, 5162 states have (on average 1.408175125920186) internal successors, (7269), 5186 states have internal predecessors, (7269), 159 states have call successors, (159), 56 states have call predecessors, (159), 50 states have return successors, (197), 141 states have call predecessors, (197), 159 states have call successors, (197) [2024-10-11 23:37:34,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5384 states to 5384 states and 7625 transitions. [2024-10-11 23:37:34,392 INFO L78 Accepts]: Start accepts. Automaton has 5384 states and 7625 transitions. Word has length 88 [2024-10-11 23:37:34,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:37:34,393 INFO L471 AbstractCegarLoop]: Abstraction has 5384 states and 7625 transitions. [2024-10-11 23:37:34,393 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) [2024-10-11 23:37:34,393 INFO L276 IsEmpty]: Start isEmpty. Operand 5384 states and 7625 transitions. [2024-10-11 23:37:34,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-10-11 23:37:34,395 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:37:34,396 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] [2024-10-11 23:37:34,413 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-11 23:37:34,596 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-10-11 23:37:34,598 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)] === [2024-10-11 23:37:34,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:37:34,598 INFO L85 PathProgramCache]: Analyzing trace with hash -2038052979, now seen corresponding path program 1 times [2024-10-11 23:37:34,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:37:34,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868737092] [2024-10-11 23:37:34,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:37:34,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:37:34,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:34,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 23:37:34,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:34,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 23:37:34,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:34,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 23:37:34,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:34,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 23:37:34,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:34,933 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-11 23:37:34,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:37:34,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868737092] [2024-10-11 23:37:34,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868737092] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:37:34,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:37:34,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 23:37:34,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015210176] [2024-10-11 23:37:34,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:37:34,934 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 23:37:34,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:37:34,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 23:37:34,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-11 23:37:34,935 INFO L87 Difference]: Start difference. First operand 5384 states and 7625 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) [2024-10-11 23:37:35,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:37:35,467 INFO L93 Difference]: Finished difference Result 7610 states and 10842 transitions. [2024-10-11 23:37:35,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 23:37:35,468 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 [2024-10-11 23:37:35,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:37:35,495 INFO L225 Difference]: With dead ends: 7610 [2024-10-11 23:37:35,498 INFO L226 Difference]: Without dead ends: 7608 [2024-10-11 23:37:35,503 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-11 23:37:35,503 INFO L432 NwaCegarLoop]: 535 mSDtfsCounter, 481 mSDsluCounter, 1961 mSDsCounter, 0 mSdLazyCounter, 383 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 492 SdHoareTripleChecker+Valid, 2496 SdHoareTripleChecker+Invalid, 438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 23:37:35,504 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [492 Valid, 2496 Invalid, 438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 383 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 23:37:35,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7608 states. [2024-10-11 23:37:35,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7608 to 5552. [2024-10-11 23:37:35,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5552 states, 5321 states have (on average 1.4033076489381695) internal successors, (7467), 5346 states have internal predecessors, (7467), 168 states have call successors, (168), 56 states have call predecessors, (168), 50 states have return successors, (209), 149 states have call predecessors, (209), 168 states have call successors, (209) [2024-10-11 23:37:35,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5552 states to 5552 states and 7844 transitions. [2024-10-11 23:37:35,751 INFO L78 Accepts]: Start accepts. Automaton has 5552 states and 7844 transitions. Word has length 112 [2024-10-11 23:37:35,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:37:35,751 INFO L471 AbstractCegarLoop]: Abstraction has 5552 states and 7844 transitions. [2024-10-11 23:37:35,751 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) [2024-10-11 23:37:35,751 INFO L276 IsEmpty]: Start isEmpty. Operand 5552 states and 7844 transitions. [2024-10-11 23:37:35,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-10-11 23:37:35,754 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:37:35,754 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] [2024-10-11 23:37:35,754 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-11 23:37:35,754 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)] === [2024-10-11 23:37:35,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:37:35,755 INFO L85 PathProgramCache]: Analyzing trace with hash -1963744125, now seen corresponding path program 1 times [2024-10-11 23:37:35,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:37:35,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076949689] [2024-10-11 23:37:35,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:37:35,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:37:35,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:36,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 23:37:36,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:36,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 23:37:36,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:36,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 23:37:36,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:36,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 23:37:36,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:36,069 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-11 23:37:36,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:37:36,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076949689] [2024-10-11 23:37:36,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076949689] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 23:37:36,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1705676801] [2024-10-11 23:37:36,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:37:36,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:37:36,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:37:36,073 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 23:37:36,074 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-11 23:37:36,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:36,362 INFO L255 TraceCheckSpWp]: Trace formula consists of 757 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-11 23:37:36,365 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:37:36,455 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-11 23:37:36,455 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 23:37:36,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1705676801] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:37:36,455 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 23:37:36,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 12 [2024-10-11 23:37:36,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508973252] [2024-10-11 23:37:36,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:37:36,456 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 23:37:36,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:37:36,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 23:37:36,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-10-11 23:37:36,457 INFO L87 Difference]: Start difference. First operand 5552 states and 7844 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) [2024-10-11 23:37:36,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:37:36,721 INFO L93 Difference]: Finished difference Result 10599 states and 15025 transitions. [2024-10-11 23:37:36,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 23:37:36,722 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 [2024-10-11 23:37:36,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:37:36,731 INFO L225 Difference]: With dead ends: 10599 [2024-10-11 23:37:36,731 INFO L226 Difference]: Without dead ends: 5354 [2024-10-11 23:37:36,737 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 [2024-10-11 23:37:36,738 INFO L432 NwaCegarLoop]: 561 mSDtfsCounter, 82 mSDsluCounter, 2705 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 3266 SdHoareTripleChecker+Invalid, 254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 23:37:36,738 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 3266 Invalid, 254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 23:37:36,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5354 states. [2024-10-11 23:37:36,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5354 to 5354. [2024-10-11 23:37:36,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5354 states, 5140 states have (on average 1.4071984435797666) internal successors, (7233), 5163 states have internal predecessors, (7233), 157 states have call successors, (157), 50 states have call predecessors, (157), 44 states have return successors, (192), 140 states have call predecessors, (192), 157 states have call successors, (192) [2024-10-11 23:37:36,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5354 states to 5354 states and 7582 transitions. [2024-10-11 23:37:36,842 INFO L78 Accepts]: Start accepts. Automaton has 5354 states and 7582 transitions. Word has length 118 [2024-10-11 23:37:36,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:37:36,842 INFO L471 AbstractCegarLoop]: Abstraction has 5354 states and 7582 transitions. [2024-10-11 23:37:36,842 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) [2024-10-11 23:37:36,842 INFO L276 IsEmpty]: Start isEmpty. Operand 5354 states and 7582 transitions. [2024-10-11 23:37:36,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-10-11 23:37:36,843 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:37:36,843 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] [2024-10-11 23:37:36,862 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-11 23:37:37,044 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-10-11 23:37:37,045 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)] === [2024-10-11 23:37:37,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:37:37,045 INFO L85 PathProgramCache]: Analyzing trace with hash -793576872, now seen corresponding path program 1 times [2024-10-11 23:37:37,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:37:37,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360773580] [2024-10-11 23:37:37,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:37:37,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:37:37,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:37,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 23:37:37,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:37,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 23:37:37,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:37,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 23:37:37,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:37,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 23:37:37,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:37,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 23:37:37,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:37,473 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-11 23:37:37,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:37:37,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360773580] [2024-10-11 23:37:37,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360773580] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 23:37:37,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [118580602] [2024-10-11 23:37:37,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:37:37,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:37:37,474 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:37:37,475 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 23:37:37,476 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-11 23:37:37,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:37,792 INFO L255 TraceCheckSpWp]: Trace formula consists of 767 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-10-11 23:37:37,796 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:37:37,799 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 [2024-10-11 23:37:37,814 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 [2024-10-11 23:37:37,826 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 27 treesize of output 11 [2024-10-11 23:37:38,394 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-11 23:37:38,394 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 23:37:38,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [118580602] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:37:38,395 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 23:37:38,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [7] total 16 [2024-10-11 23:37:38,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270143392] [2024-10-11 23:37:38,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:37:38,395 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 23:37:38,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:37:38,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 23:37:38,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2024-10-11 23:37:38,396 INFO L87 Difference]: Start difference. First operand 5354 states and 7582 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) [2024-10-11 23:37:39,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:37:39,568 INFO L93 Difference]: Finished difference Result 12733 states and 18114 transitions. [2024-10-11 23:37:39,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 23:37:39,568 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 [2024-10-11 23:37:39,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:37:39,584 INFO L225 Difference]: With dead ends: 12733 [2024-10-11 23:37:39,584 INFO L226 Difference]: Without dead ends: 7424 [2024-10-11 23:37:39,592 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=105, Invalid=447, Unknown=0, NotChecked=0, Total=552 [2024-10-11 23:37:39,593 INFO L432 NwaCegarLoop]: 560 mSDtfsCounter, 652 mSDsluCounter, 2876 mSDsCounter, 0 mSdLazyCounter, 776 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 664 SdHoareTripleChecker+Valid, 3436 SdHoareTripleChecker+Invalid, 783 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 776 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-11 23:37:39,593 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [664 Valid, 3436 Invalid, 783 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 776 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-11 23:37:39,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7424 states. [2024-10-11 23:37:39,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7424 to 5354. [2024-10-11 23:37:39,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5354 states, 5140 states have (on average 1.4070038910505838) internal successors, (7232), 5163 states have internal predecessors, (7232), 157 states have call successors, (157), 50 states have call predecessors, (157), 44 states have return successors, (192), 140 states have call predecessors, (192), 157 states have call successors, (192) [2024-10-11 23:37:39,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5354 states to 5354 states and 7581 transitions. [2024-10-11 23:37:39,716 INFO L78 Accepts]: Start accepts. Automaton has 5354 states and 7581 transitions. Word has length 123 [2024-10-11 23:37:39,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:37:39,716 INFO L471 AbstractCegarLoop]: Abstraction has 5354 states and 7581 transitions. [2024-10-11 23:37:39,717 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) [2024-10-11 23:37:39,717 INFO L276 IsEmpty]: Start isEmpty. Operand 5354 states and 7581 transitions. [2024-10-11 23:37:39,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-10-11 23:37:39,718 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:37:39,718 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] [2024-10-11 23:37:39,733 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-11 23:37:39,919 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,8 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:37:39,919 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)] === [2024-10-11 23:37:39,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:37:39,920 INFO L85 PathProgramCache]: Analyzing trace with hash 817925879, now seen corresponding path program 1 times [2024-10-11 23:37:39,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:37:39,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041948074] [2024-10-11 23:37:39,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:37:39,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:37:39,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:40,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-11 23:37:40,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:40,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 23:37:40,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:40,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 23:37:40,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:40,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-11 23:37:40,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:40,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 23:37:40,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:40,265 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-11 23:37:40,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:37:40,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041948074] [2024-10-11 23:37:40,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2041948074] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 23:37:40,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1941159437] [2024-10-11 23:37:40,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:37:40,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:37:40,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:37:40,269 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 23:37:40,270 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-11 23:37:40,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:40,701 INFO L255 TraceCheckSpWp]: Trace formula consists of 768 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-10-11 23:37:40,705 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:37:40,848 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:37:40,850 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 23:37:40,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1941159437] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:37:40,850 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 23:37:40,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [7] total 13 [2024-10-11 23:37:40,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321975401] [2024-10-11 23:37:40,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:37:40,851 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 23:37:40,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:37:40,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 23:37:40,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2024-10-11 23:37:40,852 INFO L87 Difference]: Start difference. First operand 5354 states and 7581 transitions. Second operand has 9 states, 8 states have (on average 14.25) internal successors, (114), 9 states have internal predecessors, (114), 3 states have call successors, (5), 2 states have call predecessors, (5), 4 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-10-11 23:37:41,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:37:41,099 INFO L93 Difference]: Finished difference Result 8150 states and 11516 transitions. [2024-10-11 23:37:41,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 23:37:41,100 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 14.25) internal successors, (114), 9 states have internal predecessors, (114), 3 states have call successors, (5), 2 states have call predecessors, (5), 4 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 124 [2024-10-11 23:37:41,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:37:41,108 INFO L225 Difference]: With dead ends: 8150 [2024-10-11 23:37:41,108 INFO L226 Difference]: Without dead ends: 2887 [2024-10-11 23:37:41,117 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-10-11 23:37:41,118 INFO L432 NwaCegarLoop]: 572 mSDtfsCounter, 13 mSDsluCounter, 3966 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 4538 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 23:37:41,118 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 4538 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 23:37:41,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2887 states. [2024-10-11 23:37:41,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2887 to 2885. [2024-10-11 23:37:41,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2885 states, 2747 states have (on average 1.3971605387695667) internal successors, (3838), 2763 states have internal predecessors, (3838), 86 states have call successors, (86), 42 states have call predecessors, (86), 39 states have return successors, (97), 79 states have call predecessors, (97), 86 states have call successors, (97) [2024-10-11 23:37:41,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2885 states to 2885 states and 4021 transitions. [2024-10-11 23:37:41,226 INFO L78 Accepts]: Start accepts. Automaton has 2885 states and 4021 transitions. Word has length 124 [2024-10-11 23:37:41,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:37:41,226 INFO L471 AbstractCegarLoop]: Abstraction has 2885 states and 4021 transitions. [2024-10-11 23:37:41,226 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 14.25) internal successors, (114), 9 states have internal predecessors, (114), 3 states have call successors, (5), 2 states have call predecessors, (5), 4 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-10-11 23:37:41,226 INFO L276 IsEmpty]: Start isEmpty. Operand 2885 states and 4021 transitions. [2024-10-11 23:37:41,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-10-11 23:37:41,227 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:37:41,227 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:37:41,242 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-11 23:37:41,431 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-10-11 23:37:41,432 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-11 23:37:41,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:37:41,432 INFO L85 PathProgramCache]: Analyzing trace with hash 1317827799, now seen corresponding path program 1 times [2024-10-11 23:37:41,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:37:41,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545714690] [2024-10-11 23:37:41,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:37:41,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:37:41,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:41,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-11 23:37:41,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:41,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 23:37:41,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:41,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 23:37:41,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:41,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-11 23:37:41,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:41,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 23:37:41,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:41,875 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-11 23:37:41,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:37:41,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545714690] [2024-10-11 23:37:41,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545714690] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 23:37:41,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [390395495] [2024-10-11 23:37:41,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:37:41,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:37:41,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:37:41,881 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 23:37:41,882 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-11 23:37:42,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:42,395 INFO L255 TraceCheckSpWp]: Trace formula consists of 798 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-10-11 23:37:42,398 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:37:42,479 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 19 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-11 23:37:42,479 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 23:37:42,600 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-11 23:37:42,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [390395495] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 23:37:42,600 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 23:37:42,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10, 6] total 18 [2024-10-11 23:37:42,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799488387] [2024-10-11 23:37:42,601 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 23:37:42,601 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-10-11 23:37:42,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:37:42,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-10-11 23:37:42,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2024-10-11 23:37:42,602 INFO L87 Difference]: Start difference. First operand 2885 states and 4021 transitions. Second operand has 18 states, 16 states have (on average 8.8125) internal successors, (141), 16 states have internal predecessors, (141), 3 states have call successors, (12), 4 states have call predecessors, (12), 6 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-11 23:37:43,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:37:43,724 INFO L93 Difference]: Finished difference Result 5725 states and 8016 transitions. [2024-10-11 23:37:43,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-10-11 23:37:43,725 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 16 states have (on average 8.8125) internal successors, (141), 16 states have internal predecessors, (141), 3 states have call successors, (12), 4 states have call predecessors, (12), 6 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 126 [2024-10-11 23:37:43,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:37:43,731 INFO L225 Difference]: With dead ends: 5725 [2024-10-11 23:37:43,732 INFO L226 Difference]: Without dead ends: 2945 [2024-10-11 23:37:43,736 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 254 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 317 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=258, Invalid=1382, Unknown=0, NotChecked=0, Total=1640 [2024-10-11 23:37:43,736 INFO L432 NwaCegarLoop]: 553 mSDtfsCounter, 89 mSDsluCounter, 6935 mSDsCounter, 0 mSdLazyCounter, 780 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 7488 SdHoareTripleChecker+Invalid, 823 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 780 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 23:37:43,737 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 7488 Invalid, 823 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 780 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 23:37:43,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2945 states. [2024-10-11 23:37:43,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2945 to 2923. [2024-10-11 23:37:43,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2923 states, 2784 states have (on average 1.3976293103448276) internal successors, (3891), 2797 states have internal predecessors, (3891), 86 states have call successors, (86), 46 states have call predecessors, (86), 40 states have return successors, (93), 79 states have call predecessors, (93), 86 states have call successors, (93) [2024-10-11 23:37:43,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2923 states to 2923 states and 4070 transitions. [2024-10-11 23:37:43,805 INFO L78 Accepts]: Start accepts. Automaton has 2923 states and 4070 transitions. Word has length 126 [2024-10-11 23:37:43,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:37:43,806 INFO L471 AbstractCegarLoop]: Abstraction has 2923 states and 4070 transitions. [2024-10-11 23:37:43,806 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 16 states have (on average 8.8125) internal successors, (141), 16 states have internal predecessors, (141), 3 states have call successors, (12), 4 states have call predecessors, (12), 6 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-11 23:37:43,806 INFO L276 IsEmpty]: Start isEmpty. Operand 2923 states and 4070 transitions. [2024-10-11 23:37:43,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-10-11 23:37:43,807 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:37:43,807 INFO L215 NwaCegarLoop]: trace histogram [6, 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] [2024-10-11 23:37:43,832 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-10-11 23:37:44,011 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,10 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:37:44,012 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-11 23:37:44,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:37:44,013 INFO L85 PathProgramCache]: Analyzing trace with hash -838588521, now seen corresponding path program 2 times [2024-10-11 23:37:44,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:37:44,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573670403] [2024-10-11 23:37:44,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:37:44,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:37:44,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:44,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-11 23:37:44,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:44,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 23:37:44,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:44,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 23:37:44,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:44,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 23:37:44,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:44,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-11 23:37:44,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:44,564 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 5 proven. 28 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-10-11 23:37:44,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:37:44,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573670403] [2024-10-11 23:37:44,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573670403] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 23:37:44,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1855383896] [2024-10-11 23:37:44,564 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 23:37:44,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:37:44,565 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:37:44,568 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 23:37:44,571 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-11 23:37:44,841 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-11 23:37:44,841 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 23:37:44,843 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 23:37:44,845 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:37:44,850 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-10-11 23:37:44,859 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-10-11 23:37:44,859 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 23:37:44,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1855383896] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:37:44,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 23:37:44,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [11] total 12 [2024-10-11 23:37:44,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642344849] [2024-10-11 23:37:44,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:37:44,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 23:37:44,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:37:44,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 23:37:44,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-10-11 23:37:44,861 INFO L87 Difference]: Start difference. First operand 2923 states and 4070 transitions. Second operand has 3 states, 2 states have (on average 52.0) internal successors, (104), 3 states have internal predecessors, (104), 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) [2024-10-11 23:37:44,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:37:44,927 INFO L93 Difference]: Finished difference Result 2923 states and 4070 transitions. [2024-10-11 23:37:44,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 23:37:44,927 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 52.0) internal successors, (104), 3 states have internal predecessors, (104), 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 130 [2024-10-11 23:37:44,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:37:44,933 INFO L225 Difference]: With dead ends: 2923 [2024-10-11 23:37:44,933 INFO L226 Difference]: Without dead ends: 2922 [2024-10-11 23:37:44,934 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-10-11 23:37:44,934 INFO L432 NwaCegarLoop]: 578 mSDtfsCounter, 1 mSDsluCounter, 577 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1155 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 23:37:44,935 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1155 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 23:37:44,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2922 states. [2024-10-11 23:37:44,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2922 to 2922. [2024-10-11 23:37:44,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2922 states, 2784 states have (on average 1.3954741379310345) internal successors, (3885), 2796 states have internal predecessors, (3885), 86 states have call successors, (86), 46 states have call predecessors, (86), 40 states have return successors, (93), 79 states have call predecessors, (93), 86 states have call successors, (93) [2024-10-11 23:37:45,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2922 states to 2922 states and 4064 transitions. [2024-10-11 23:37:45,008 INFO L78 Accepts]: Start accepts. Automaton has 2922 states and 4064 transitions. Word has length 130 [2024-10-11 23:37:45,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:37:45,009 INFO L471 AbstractCegarLoop]: Abstraction has 2922 states and 4064 transitions. [2024-10-11 23:37:45,009 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 52.0) internal successors, (104), 3 states have internal predecessors, (104), 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) [2024-10-11 23:37:45,009 INFO L276 IsEmpty]: Start isEmpty. Operand 2922 states and 4064 transitions. [2024-10-11 23:37:45,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-10-11 23:37:45,010 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:37:45,010 INFO L215 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:37:45,024 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-10-11 23:37:45,210 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-10-11 23:37:45,211 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-11 23:37:45,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:37:45,211 INFO L85 PathProgramCache]: Analyzing trace with hash -226440272, now seen corresponding path program 1 times [2024-10-11 23:37:45,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:37:45,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26689018] [2024-10-11 23:37:45,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:37:45,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:37:45,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:45,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-11 23:37:45,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:45,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 23:37:45,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:45,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 23:37:45,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:45,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 23:37:45,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:45,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-11 23:37:45,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:45,774 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 6 proven. 28 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-10-11 23:37:45,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:37:45,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26689018] [2024-10-11 23:37:45,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [26689018] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 23:37:45,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1874691998] [2024-10-11 23:37:45,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:37:45,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:37:45,775 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:37:45,777 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 23:37:45,778 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-11 23:37:46,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:46,155 INFO L255 TraceCheckSpWp]: Trace formula consists of 859 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-10-11 23:37:46,157 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:37:46,387 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 31 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-11 23:37:46,387 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 23:37:46,585 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 6 proven. 28 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-10-11 23:37:46,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1874691998] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 23:37:46,586 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 23:37:46,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 14, 9] total 28 [2024-10-11 23:37:46,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949130230] [2024-10-11 23:37:46,586 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 23:37:46,586 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-10-11 23:37:46,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:37:46,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-10-11 23:37:46,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=626, Unknown=0, NotChecked=0, Total=756 [2024-10-11 23:37:46,587 INFO L87 Difference]: Start difference. First operand 2922 states and 4064 transitions. Second operand has 28 states, 26 states have (on average 5.884615384615385) internal successors, (153), 26 states have internal predecessors, (153), 3 states have call successors, (12), 4 states have call predecessors, (12), 6 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-11 23:37:48,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:37:48,310 INFO L93 Difference]: Finished difference Result 5803 states and 8117 transitions. [2024-10-11 23:37:48,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-10-11 23:37:48,311 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 26 states have (on average 5.884615384615385) internal successors, (153), 26 states have internal predecessors, (153), 3 states have call successors, (12), 4 states have call predecessors, (12), 6 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 131 [2024-10-11 23:37:48,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:37:48,317 INFO L225 Difference]: With dead ends: 5803 [2024-10-11 23:37:48,317 INFO L226 Difference]: Without dead ends: 2983 [2024-10-11 23:37:48,321 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 314 GetRequests, 257 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 687 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=534, Invalid=2888, Unknown=0, NotChecked=0, Total=3422 [2024-10-11 23:37:48,321 INFO L432 NwaCegarLoop]: 540 mSDtfsCounter, 117 mSDsluCounter, 7812 mSDsCounter, 0 mSdLazyCounter, 1217 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 8352 SdHoareTripleChecker+Invalid, 1269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 1217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-11 23:37:48,321 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 8352 Invalid, 1269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 1217 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-11 23:37:48,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2983 states. [2024-10-11 23:37:48,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2983 to 2967. [2024-10-11 23:37:48,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2967 states, 2829 states have (on average 1.3902439024390243) internal successors, (3933), 2841 states have internal predecessors, (3933), 86 states have call successors, (86), 46 states have call predecessors, (86), 40 states have return successors, (93), 79 states have call predecessors, (93), 86 states have call successors, (93) [2024-10-11 23:37:48,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2967 states to 2967 states and 4112 transitions. [2024-10-11 23:37:48,434 INFO L78 Accepts]: Start accepts. Automaton has 2967 states and 4112 transitions. Word has length 131 [2024-10-11 23:37:48,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:37:48,434 INFO L471 AbstractCegarLoop]: Abstraction has 2967 states and 4112 transitions. [2024-10-11 23:37:48,434 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 26 states have (on average 5.884615384615385) internal successors, (153), 26 states have internal predecessors, (153), 3 states have call successors, (12), 4 states have call predecessors, (12), 6 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-11 23:37:48,434 INFO L276 IsEmpty]: Start isEmpty. Operand 2967 states and 4112 transitions. [2024-10-11 23:37:48,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-10-11 23:37:48,435 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:37:48,435 INFO L215 NwaCegarLoop]: trace histogram [15, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:37:48,462 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-10-11 23:37:48,636 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-10-11 23:37:48,636 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-11 23:37:48,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:37:48,636 INFO L85 PathProgramCache]: Analyzing trace with hash 1298997753, now seen corresponding path program 2 times [2024-10-11 23:37:48,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:37:48,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813851783] [2024-10-11 23:37:48,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:37:48,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:37:48,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:49,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-11 23:37:49,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:49,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 23:37:49,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:49,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 23:37:49,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:49,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 23:37:49,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:49,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-11 23:37:49,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:49,590 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 6 proven. 124 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-11 23:37:49,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:37:49,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813851783] [2024-10-11 23:37:49,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813851783] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 23:37:49,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1484564546] [2024-10-11 23:37:49,591 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 23:37:49,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:37:49,591 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:37:49,594 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 23:37:49,595 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-11 23:37:50,102 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 23:37:50,102 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 23:37:50,112 INFO L255 TraceCheckSpWp]: Trace formula consists of 994 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-10-11 23:37:50,116 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:37:50,119 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 [2024-10-11 23:37:50,140 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 [2024-10-11 23:37:50,159 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 27 treesize of output 11 [2024-10-11 23:37:50,817 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2024-10-11 23:37:50,817 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 23:37:50,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1484564546] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:37:50,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 23:37:50,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [17] total 27 [2024-10-11 23:37:50,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630402813] [2024-10-11 23:37:50,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:37:50,818 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 23:37:50,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:37:50,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 23:37:50,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=624, Unknown=0, NotChecked=0, Total=702 [2024-10-11 23:37:50,819 INFO L87 Difference]: Start difference. First operand 2967 states and 4112 transitions. Second operand has 12 states, 12 states have (on average 9.0) internal successors, (108), 11 states have internal predecessors, (108), 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) [2024-10-11 23:37:52,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:37:52,091 INFO L93 Difference]: Finished difference Result 7065 states and 9865 transitions. [2024-10-11 23:37:52,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-11 23:37:52,091 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.0) internal successors, (108), 11 states have internal predecessors, (108), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 140 [2024-10-11 23:37:52,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:37:52,099 INFO L225 Difference]: With dead ends: 7065 [2024-10-11 23:37:52,099 INFO L226 Difference]: Without dead ends: 4148 [2024-10-11 23:37:52,102 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=164, Invalid=1096, Unknown=0, NotChecked=0, Total=1260 [2024-10-11 23:37:52,102 INFO L432 NwaCegarLoop]: 554 mSDtfsCounter, 715 mSDsluCounter, 3422 mSDsCounter, 0 mSdLazyCounter, 841 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 727 SdHoareTripleChecker+Valid, 3976 SdHoareTripleChecker+Invalid, 851 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 841 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-11 23:37:52,103 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [727 Valid, 3976 Invalid, 851 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 841 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-11 23:37:52,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4148 states. [2024-10-11 23:37:52,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4148 to 3043. [2024-10-11 23:37:52,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3043 states, 2905 states have (on average 1.3865748709122203) internal successors, (4028), 2917 states have internal predecessors, (4028), 86 states have call successors, (86), 46 states have call predecessors, (86), 40 states have return successors, (93), 79 states have call predecessors, (93), 86 states have call successors, (93) [2024-10-11 23:37:52,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3043 states to 3043 states and 4207 transitions. [2024-10-11 23:37:52,210 INFO L78 Accepts]: Start accepts. Automaton has 3043 states and 4207 transitions. Word has length 140 [2024-10-11 23:37:52,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:37:52,210 INFO L471 AbstractCegarLoop]: Abstraction has 3043 states and 4207 transitions. [2024-10-11 23:37:52,210 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.0) internal successors, (108), 11 states have internal predecessors, (108), 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) [2024-10-11 23:37:52,210 INFO L276 IsEmpty]: Start isEmpty. Operand 3043 states and 4207 transitions. [2024-10-11 23:37:52,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-10-11 23:37:52,211 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:37:52,211 INFO L215 NwaCegarLoop]: trace histogram [15, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:37:52,227 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-10-11 23:37:52,412 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:37:52,412 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-11 23:37:52,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:37:52,412 INFO L85 PathProgramCache]: Analyzing trace with hash -1473784498, now seen corresponding path program 1 times [2024-10-11 23:37:52,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:37:52,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410454252] [2024-10-11 23:37:52,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:37:52,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:37:52,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:52,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-11 23:37:52,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:52,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 23:37:52,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:52,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 23:37:52,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:52,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 23:37:52,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:52,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 23:37:52,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:52,750 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2024-10-11 23:37:52,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:37:52,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410454252] [2024-10-11 23:37:52,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [410454252] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:37:52,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:37:52,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-11 23:37:52,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965903280] [2024-10-11 23:37:52,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:37:52,751 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 23:37:52,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:37:52,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 23:37:52,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-11 23:37:52,752 INFO L87 Difference]: Start difference. First operand 3043 states and 4207 transitions. Second operand has 9 states, 9 states have (on average 12.11111111111111) internal successors, (109), 7 states have internal predecessors, (109), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-11 23:37:53,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:37:53,380 INFO L93 Difference]: Finished difference Result 6062 states and 8398 transitions. [2024-10-11 23:37:53,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 23:37:53,381 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.11111111111111) internal successors, (109), 7 states have internal predecessors, (109), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 141 [2024-10-11 23:37:53,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:37:53,387 INFO L225 Difference]: With dead ends: 6062 [2024-10-11 23:37:53,387 INFO L226 Difference]: Without dead ends: 3078 [2024-10-11 23:37:53,391 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-10-11 23:37:53,391 INFO L432 NwaCegarLoop]: 535 mSDtfsCounter, 53 mSDsluCounter, 3229 mSDsCounter, 0 mSdLazyCounter, 837 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 3764 SdHoareTripleChecker+Invalid, 867 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 837 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 23:37:53,391 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 3764 Invalid, 867 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 837 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 23:37:53,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3078 states. [2024-10-11 23:37:53,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3078 to 3071. [2024-10-11 23:37:53,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3071 states, 2933 states have (on average 1.3852710535288102) internal successors, (4063), 2945 states have internal predecessors, (4063), 86 states have call successors, (86), 46 states have call predecessors, (86), 40 states have return successors, (93), 79 states have call predecessors, (93), 86 states have call successors, (93) [2024-10-11 23:37:53,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3071 states to 3071 states and 4242 transitions. [2024-10-11 23:37:53,468 INFO L78 Accepts]: Start accepts. Automaton has 3071 states and 4242 transitions. Word has length 141 [2024-10-11 23:37:53,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:37:53,468 INFO L471 AbstractCegarLoop]: Abstraction has 3071 states and 4242 transitions. [2024-10-11 23:37:53,468 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.11111111111111) internal successors, (109), 7 states have internal predecessors, (109), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-11 23:37:53,468 INFO L276 IsEmpty]: Start isEmpty. Operand 3071 states and 4242 transitions. [2024-10-11 23:37:53,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-10-11 23:37:53,469 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:37:53,469 INFO L215 NwaCegarLoop]: trace histogram [15, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:37:53,470 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-11 23:37:53,470 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-11 23:37:53,470 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:37:53,470 INFO L85 PathProgramCache]: Analyzing trace with hash -1520772203, now seen corresponding path program 1 times [2024-10-11 23:37:53,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:37:53,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342215641] [2024-10-11 23:37:53,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:37:53,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:37:53,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:53,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-11 23:37:53,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:53,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 23:37:53,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:53,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 23:37:53,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:53,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 23:37:53,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:53,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 23:37:53,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:53,826 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2024-10-11 23:37:53,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:37:53,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342215641] [2024-10-11 23:37:53,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342215641] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:37:53,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:37:53,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-11 23:37:53,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43044372] [2024-10-11 23:37:53,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:37:53,828 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 23:37:53,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:37:53,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 23:37:53,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-11 23:37:53,830 INFO L87 Difference]: Start difference. First operand 3071 states and 4242 transitions. Second operand has 8 states, 8 states have (on average 13.625) internal successors, (109), 6 states have internal predecessors, (109), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-11 23:37:54,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:37:54,370 INFO L93 Difference]: Finished difference Result 6107 states and 8453 transitions. [2024-10-11 23:37:54,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 23:37:54,371 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.625) internal successors, (109), 6 states have internal predecessors, (109), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 141 [2024-10-11 23:37:54,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:37:54,378 INFO L225 Difference]: With dead ends: 6107 [2024-10-11 23:37:54,379 INFO L226 Difference]: Without dead ends: 3092 [2024-10-11 23:37:54,383 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-10-11 23:37:54,384 INFO L432 NwaCegarLoop]: 547 mSDtfsCounter, 48 mSDsluCounter, 2354 mSDsCounter, 0 mSdLazyCounter, 577 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 2901 SdHoareTripleChecker+Invalid, 607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 577 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 23:37:54,384 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 2901 Invalid, 607 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 577 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 23:37:54,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3092 states. [2024-10-11 23:37:54,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3092 to 3092. [2024-10-11 23:37:54,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3092 states, 2954 states have (on average 1.3825321597833446) internal successors, (4084), 2966 states have internal predecessors, (4084), 86 states have call successors, (86), 46 states have call predecessors, (86), 40 states have return successors, (93), 79 states have call predecessors, (93), 86 states have call successors, (93) [2024-10-11 23:37:54,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3092 states to 3092 states and 4263 transitions. [2024-10-11 23:37:54,465 INFO L78 Accepts]: Start accepts. Automaton has 3092 states and 4263 transitions. Word has length 141 [2024-10-11 23:37:54,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:37:54,466 INFO L471 AbstractCegarLoop]: Abstraction has 3092 states and 4263 transitions. [2024-10-11 23:37:54,466 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.625) internal successors, (109), 6 states have internal predecessors, (109), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-11 23:37:54,466 INFO L276 IsEmpty]: Start isEmpty. Operand 3092 states and 4263 transitions. [2024-10-11 23:37:54,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-10-11 23:37:54,467 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:37:54,467 INFO L215 NwaCegarLoop]: trace histogram [15, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:37:54,467 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-10-11 23:37:54,467 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-11 23:37:54,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:37:54,467 INFO L85 PathProgramCache]: Analyzing trace with hash 1234982829, now seen corresponding path program 1 times [2024-10-11 23:37:54,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:37:54,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48939768] [2024-10-11 23:37:54,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:37:54,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:37:54,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:55,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 23:37:55,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:55,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 23:37:55,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:55,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 23:37:55,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:55,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-11 23:37:55,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:55,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 23:37:55,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:55,457 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 6 proven. 124 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-11 23:37:55,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:37:55,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48939768] [2024-10-11 23:37:55,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48939768] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 23:37:55,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [69941254] [2024-10-11 23:37:55,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:37:55,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:37:55,458 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:37:55,460 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 23:37:55,460 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-11 23:37:55,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:55,926 INFO L255 TraceCheckSpWp]: Trace formula consists of 996 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-11 23:37:55,929 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:37:56,047 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2024-10-11 23:37:56,047 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 23:37:56,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [69941254] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:37:56,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 23:37:56,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [17] total 22 [2024-10-11 23:37:56,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955411516] [2024-10-11 23:37:56,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:37:56,048 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 23:37:56,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:37:56,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 23:37:56,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=411, Unknown=0, NotChecked=0, Total=462 [2024-10-11 23:37:56,049 INFO L87 Difference]: Start difference. First operand 3092 states and 4263 transitions. Second operand has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 7 states have internal predecessors, (110), 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) [2024-10-11 23:37:56,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:37:56,359 INFO L93 Difference]: Finished difference Result 6153 states and 8500 transitions. [2024-10-11 23:37:56,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 23:37:56,361 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 7 states have internal predecessors, (110), 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 142 [2024-10-11 23:37:56,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:37:56,372 INFO L225 Difference]: With dead ends: 6153 [2024-10-11 23:37:56,373 INFO L226 Difference]: Without dead ends: 3113 [2024-10-11 23:37:56,376 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=59, Invalid=493, Unknown=0, NotChecked=0, Total=552 [2024-10-11 23:37:56,380 INFO L432 NwaCegarLoop]: 562 mSDtfsCounter, 43 mSDsluCounter, 2511 mSDsCounter, 0 mSdLazyCounter, 426 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 3073 SdHoareTripleChecker+Invalid, 431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 426 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 23:37:56,380 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 3073 Invalid, 431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 426 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 23:37:56,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3113 states. [2024-10-11 23:37:56,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3113 to 3030. [2024-10-11 23:37:56,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3030 states, 2892 states have (on average 1.3817427385892116) internal successors, (3996), 2904 states have internal predecessors, (3996), 86 states have call successors, (86), 46 states have call predecessors, (86), 40 states have return successors, (93), 79 states have call predecessors, (93), 86 states have call successors, (93) [2024-10-11 23:37:56,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3030 states to 3030 states and 4175 transitions. [2024-10-11 23:37:56,511 INFO L78 Accepts]: Start accepts. Automaton has 3030 states and 4175 transitions. Word has length 142 [2024-10-11 23:37:56,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:37:56,512 INFO L471 AbstractCegarLoop]: Abstraction has 3030 states and 4175 transitions. [2024-10-11 23:37:56,512 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 7 states have internal predecessors, (110), 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) [2024-10-11 23:37:56,512 INFO L276 IsEmpty]: Start isEmpty. Operand 3030 states and 4175 transitions. [2024-10-11 23:37:56,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-10-11 23:37:56,512 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:37:56,512 INFO L215 NwaCegarLoop]: trace histogram [15, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:37:56,531 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-10-11 23:37:56,713 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,14 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:37:56,714 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-11 23:37:56,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:37:56,715 INFO L85 PathProgramCache]: Analyzing trace with hash -950353898, now seen corresponding path program 1 times [2024-10-11 23:37:56,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:37:56,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393842533] [2024-10-11 23:37:56,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:37:56,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:37:56,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:57,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 23:37:57,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:57,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 23:37:57,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:57,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 23:37:57,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:57,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-11 23:37:57,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:57,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 23:37:57,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:57,469 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 6 proven. 124 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-11 23:37:57,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:37:57,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393842533] [2024-10-11 23:37:57,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1393842533] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 23:37:57,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2077829004] [2024-10-11 23:37:57,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:37:57,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:37:57,470 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:37:57,477 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 23:37:57,480 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-11 23:37:58,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:37:58,049 INFO L255 TraceCheckSpWp]: Trace formula consists of 993 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-10-11 23:37:58,052 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:37:58,372 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 8 proven. 126 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-11 23:37:58,372 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 23:37:58,789 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 75 proven. 15 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-10-11 23:37:58,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2077829004] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 23:37:58,790 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 23:37:58,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 10] total 39 [2024-10-11 23:37:58,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114464110] [2024-10-11 23:37:58,790 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 23:37:58,790 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2024-10-11 23:37:58,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:37:58,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2024-10-11 23:37:58,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=168, Invalid=1314, Unknown=0, NotChecked=0, Total=1482 [2024-10-11 23:37:58,792 INFO L87 Difference]: Start difference. First operand 3030 states and 4175 transitions. Second operand has 39 states, 36 states have (on average 4.416666666666667) internal successors, (159), 37 states have internal predecessors, (159), 3 states have call successors, (10), 3 states have call predecessors, (10), 7 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-10-11 23:38:02,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:38:02,412 INFO L93 Difference]: Finished difference Result 6010 states and 8339 transitions. [2024-10-11 23:38:02,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-10-11 23:38:02,413 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 36 states have (on average 4.416666666666667) internal successors, (159), 37 states have internal predecessors, (159), 3 states have call successors, (10), 3 states have call predecessors, (10), 7 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 142 [2024-10-11 23:38:02,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:38:02,421 INFO L225 Difference]: With dead ends: 6010 [2024-10-11 23:38:02,421 INFO L226 Difference]: Without dead ends: 3099 [2024-10-11 23:38:02,426 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 363 GetRequests, 275 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1737 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=1033, Invalid=6977, Unknown=0, NotChecked=0, Total=8010 [2024-10-11 23:38:02,427 INFO L432 NwaCegarLoop]: 550 mSDtfsCounter, 206 mSDsluCounter, 12309 mSDsCounter, 0 mSdLazyCounter, 1749 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 12859 SdHoareTripleChecker+Invalid, 1849 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 1749 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-11 23:38:02,427 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [206 Valid, 12859 Invalid, 1849 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 1749 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-11 23:38:02,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3099 states. [2024-10-11 23:38:02,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3099 to 3076. [2024-10-11 23:38:02,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3076 states, 2938 states have (on average 1.3764465622872704) internal successors, (4044), 2949 states have internal predecessors, (4044), 86 states have call successors, (86), 47 states have call predecessors, (86), 40 states have return successors, (93), 79 states have call predecessors, (93), 86 states have call successors, (93) [2024-10-11 23:38:02,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3076 states to 3076 states and 4223 transitions. [2024-10-11 23:38:02,523 INFO L78 Accepts]: Start accepts. Automaton has 3076 states and 4223 transitions. Word has length 142 [2024-10-11 23:38:02,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:38:02,524 INFO L471 AbstractCegarLoop]: Abstraction has 3076 states and 4223 transitions. [2024-10-11 23:38:02,524 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 36 states have (on average 4.416666666666667) internal successors, (159), 37 states have internal predecessors, (159), 3 states have call successors, (10), 3 states have call predecessors, (10), 7 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-10-11 23:38:02,524 INFO L276 IsEmpty]: Start isEmpty. Operand 3076 states and 4223 transitions. [2024-10-11 23:38:02,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-10-11 23:38:02,525 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:38:02,525 INFO L215 NwaCegarLoop]: trace histogram [23, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:38:02,543 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-10-11 23:38:02,729 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-10-11 23:38:02,730 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-11 23:38:02,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:38:02,730 INFO L85 PathProgramCache]: Analyzing trace with hash -472880746, now seen corresponding path program 2 times [2024-10-11 23:38:02,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:38:02,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245095581] [2024-10-11 23:38:02,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:38:02,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:38:02,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:38:03,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 23:38:03,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:38:03,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 23:38:03,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:38:03,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 23:38:03,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:38:03,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-11 23:38:03,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:38:03,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-11 23:38:03,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:38:03,632 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 6 proven. 225 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-10-11 23:38:03,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:38:03,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245095581] [2024-10-11 23:38:03,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1245095581] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 23:38:03,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [532682275] [2024-10-11 23:38:03,633 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 23:38:03,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:38:03,633 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:38:03,636 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 23:38:03,640 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-10-11 23:38:04,273 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 23:38:04,273 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 23:38:04,280 INFO L255 TraceCheckSpWp]: Trace formula consists of 1113 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-10-11 23:38:04,282 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:38:04,631 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 172 proven. 66 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-10-11 23:38:04,631 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 23:38:05,197 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 6 proven. 225 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-10-11 23:38:05,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [532682275] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 23:38:05,199 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 23:38:05,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 20, 16] total 48 [2024-10-11 23:38:05,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278498748] [2024-10-11 23:38:05,199 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 23:38:05,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-10-11 23:38:05,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:38:05,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-10-11 23:38:05,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=443, Invalid=1813, Unknown=0, NotChecked=0, Total=2256 [2024-10-11 23:38:05,203 INFO L87 Difference]: Start difference. First operand 3076 states and 4223 transitions. Second operand has 48 states, 46 states have (on average 3.782608695652174) internal successors, (174), 46 states have internal predecessors, (174), 3 states have call successors, (12), 4 states have call predecessors, (12), 6 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-11 23:38:10,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:38:10,548 INFO L93 Difference]: Finished difference Result 6127 states and 8483 transitions. [2024-10-11 23:38:10,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-10-11 23:38:10,549 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 46 states have (on average 3.782608695652174) internal successors, (174), 46 states have internal predecessors, (174), 3 states have call successors, (12), 4 states have call predecessors, (12), 6 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 150 [2024-10-11 23:38:10,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:38:10,556 INFO L225 Difference]: With dead ends: 6127 [2024-10-11 23:38:10,557 INFO L226 Difference]: Without dead ends: 3171 [2024-10-11 23:38:10,563 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 380 GetRequests, 282 SyntacticMatches, 0 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2226 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=1764, Invalid=8136, Unknown=0, NotChecked=0, Total=9900 [2024-10-11 23:38:10,563 INFO L432 NwaCegarLoop]: 551 mSDtfsCounter, 148 mSDsluCounter, 10149 mSDsCounter, 0 mSdLazyCounter, 1696 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 10700 SdHoareTripleChecker+Invalid, 1773 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 1696 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-11 23:38:10,564 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 10700 Invalid, 1773 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 1696 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-11 23:38:10,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3171 states. [2024-10-11 23:38:10,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3171 to 3154. [2024-10-11 23:38:10,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3154 states, 3016 states have (on average 1.3667108753315649) internal successors, (4122), 3027 states have internal predecessors, (4122), 86 states have call successors, (86), 47 states have call predecessors, (86), 40 states have return successors, (93), 79 states have call predecessors, (93), 86 states have call successors, (93) [2024-10-11 23:38:10,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3154 states to 3154 states and 4301 transitions. [2024-10-11 23:38:10,689 INFO L78 Accepts]: Start accepts. Automaton has 3154 states and 4301 transitions. Word has length 150 [2024-10-11 23:38:10,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:38:10,692 INFO L471 AbstractCegarLoop]: Abstraction has 3154 states and 4301 transitions. [2024-10-11 23:38:10,692 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 46 states have (on average 3.782608695652174) internal successors, (174), 46 states have internal predecessors, (174), 3 states have call successors, (12), 4 states have call predecessors, (12), 6 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-11 23:38:10,692 INFO L276 IsEmpty]: Start isEmpty. Operand 3154 states and 4301 transitions. [2024-10-11 23:38:10,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-10-11 23:38:10,693 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:38:10,693 INFO L215 NwaCegarLoop]: trace histogram [36, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:38:10,710 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-10-11 23:38:10,896 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-10-11 23:38:10,896 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-11 23:38:10,897 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:38:10,897 INFO L85 PathProgramCache]: Analyzing trace with hash -2123431277, now seen corresponding path program 3 times [2024-10-11 23:38:10,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:38:10,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733506247] [2024-10-11 23:38:10,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:38:10,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:38:11,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:38:11,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 23:38:11,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:38:11,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 23:38:11,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:38:11,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 23:38:11,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:38:12,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 23:38:12,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:38:12,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 23:38:12,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:38:12,750 INFO L134 CoverageAnalysis]: Checked inductivity of 719 backedges. 6 proven. 628 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-10-11 23:38:12,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:38:12,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733506247] [2024-10-11 23:38:12,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733506247] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 23:38:12,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [291250833] [2024-10-11 23:38:12,750 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-11 23:38:12,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:38:12,751 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:38:12,752 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 23:38:12,755 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-10-11 23:38:13,301 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-10-11 23:38:13,302 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 23:38:13,305 INFO L255 TraceCheckSpWp]: Trace formula consists of 594 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-11 23:38:13,308 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:38:32,887 INFO L134 CoverageAnalysis]: Checked inductivity of 719 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 713 trivial. 0 not checked. [2024-10-11 23:38:32,887 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 23:38:32,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [291250833] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:38:32,887 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 23:38:32,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [31] total 36 [2024-10-11 23:38:32,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857524700] [2024-10-11 23:38:32,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:38:32,888 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 23:38:32,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:38:32,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 23:38:32,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=1167, Unknown=0, NotChecked=0, Total=1260 [2024-10-11 23:38:32,889 INFO L87 Difference]: Start difference. First operand 3154 states and 4301 transitions. Second operand has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 7 states have internal predecessors, (110), 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) [2024-10-11 23:38:37,021 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-10-11 23:38:38,337 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-10-11 23:38:39,791 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-10-11 23:38:40,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:38:40,151 INFO L93 Difference]: Finished difference Result 6279 states and 8582 transitions. [2024-10-11 23:38:40,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 23:38:40,152 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 7 states have internal predecessors, (110), 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 163 [2024-10-11 23:38:40,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:38:40,169 INFO L225 Difference]: With dead ends: 6279 [2024-10-11 23:38:40,169 INFO L226 Difference]: Without dead ends: 3189 [2024-10-11 23:38:40,177 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 7.2s TimeCoverageRelationStatistics Valid=93, Invalid=1167, Unknown=0, NotChecked=0, Total=1260 [2024-10-11 23:38:40,178 INFO L432 NwaCegarLoop]: 560 mSDtfsCounter, 12 mSDsluCounter, 2485 mSDsCounter, 0 mSdLazyCounter, 442 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 3045 SdHoareTripleChecker+Invalid, 444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 442 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2024-10-11 23:38:40,182 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 3045 Invalid, 444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 442 Invalid, 1 Unknown, 0 Unchecked, 7.1s Time] [2024-10-11 23:38:40,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3189 states. [2024-10-11 23:38:40,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3189 to 3154. [2024-10-11 23:38:40,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3154 states, 3016 states have (on average 1.3667108753315649) internal successors, (4122), 3027 states have internal predecessors, (4122), 86 states have call successors, (86), 47 states have call predecessors, (86), 40 states have return successors, (93), 79 states have call predecessors, (93), 86 states have call successors, (93) [2024-10-11 23:38:40,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3154 states to 3154 states and 4301 transitions. [2024-10-11 23:38:40,441 INFO L78 Accepts]: Start accepts. Automaton has 3154 states and 4301 transitions. Word has length 163 [2024-10-11 23:38:40,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:38:40,442 INFO L471 AbstractCegarLoop]: Abstraction has 3154 states and 4301 transitions. [2024-10-11 23:38:40,446 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 7 states have internal predecessors, (110), 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) [2024-10-11 23:38:40,446 INFO L276 IsEmpty]: Start isEmpty. Operand 3154 states and 4301 transitions. [2024-10-11 23:38:40,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-10-11 23:38:40,447 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:38:40,447 INFO L215 NwaCegarLoop]: trace histogram [36, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:38:40,481 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-10-11 23:38:40,651 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-10-11 23:38:40,651 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-11 23:38:40,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:38:40,652 INFO L85 PathProgramCache]: Analyzing trace with hash 1184450847, now seen corresponding path program 1 times [2024-10-11 23:38:40,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:38:40,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831266431] [2024-10-11 23:38:40,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:38:40,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:38:40,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:38:41,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-11 23:38:41,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:38:41,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 23:38:41,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:38:41,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 23:38:41,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:38:42,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-11 23:38:42,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:38:42,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-11 23:38:42,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:38:42,845 INFO L134 CoverageAnalysis]: Checked inductivity of 719 backedges. 6 proven. 628 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-10-11 23:38:42,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:38:42,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831266431] [2024-10-11 23:38:42,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831266431] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 23:38:42,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2090495230] [2024-10-11 23:38:42,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:38:42,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:38:42,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:38:42,847 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 23:38:42,849 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-10-11 23:38:43,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:38:43,721 INFO L255 TraceCheckSpWp]: Trace formula consists of 1310 conjuncts, 66 conjuncts are in the unsatisfiable core [2024-10-11 23:38:43,725 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:38:44,933 INFO L134 CoverageAnalysis]: Checked inductivity of 719 backedges. 341 proven. 300 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-10-11 23:38:44,934 INFO L311 TraceCheckSpWp]: Computing backward predicates...