./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_BER_test6-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 05edfd344a133924af20e7887ded3d695179bf474d7b39ea2b7287f4a108ff8d --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 23:25:14,340 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 23:25:14,402 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-14 23:25:14,406 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 23:25:14,406 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 23:25:14,437 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 23:25:14,438 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 23:25:14,438 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 23:25:14,439 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 23:25:14,440 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 23:25:14,440 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 23:25:14,440 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 23:25:14,440 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 23:25:14,442 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 23:25:14,442 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 23:25:14,443 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 23:25:14,443 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 23:25:14,443 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 23:25:14,443 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 23:25:14,443 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 23:25:14,443 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 23:25:14,446 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 23:25:14,446 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 23:25:14,447 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 23:25:14,447 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 23:25:14,447 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-14 23:25:14,447 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-14 23:25:14,447 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 23:25:14,447 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 23:25:14,447 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 23:25:14,447 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 23:25:14,448 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 23:25:14,448 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 23:25:14,448 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 23:25:14,448 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 23:25:14,448 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 23:25:14,448 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 23:25:14,448 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 23:25:14,448 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 23:25:14,449 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 23:25:14,449 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 23:25:14,449 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 23:25:14,449 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 23:25:14,449 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 23:25:14,449 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05edfd344a133924af20e7887ded3d695179bf474d7b39ea2b7287f4a108ff8d [2024-10-14 23:25:14,639 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 23:25:14,655 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 23:25:14,657 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 23:25:14,657 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 23:25:14,658 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 23:25:14,660 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i [2024-10-14 23:25:15,850 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 23:25:16,109 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 23:25:16,111 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i [2024-10-14 23:25:16,129 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd870e89b/428879eb0baa40ecb67d4d00f8ad66b9/FLAG8d318ed18 [2024-10-14 23:25:16,410 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd870e89b/428879eb0baa40ecb67d4d00f8ad66b9 [2024-10-14 23:25:16,412 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 23:25:16,413 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 23:25:16,414 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 23:25:16,414 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 23:25:16,418 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 23:25:16,419 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:25:16" (1/1) ... [2024-10-14 23:25:16,420 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@274606b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:25:16, skipping insertion in model container [2024-10-14 23:25:16,420 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:25:16" (1/1) ... [2024-10-14 23:25:16,463 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 23:25:16,925 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 23:25:16,938 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 23:25:17,067 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 23:25:17,116 INFO L204 MainTranslator]: Completed translation [2024-10-14 23:25:17,117 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:25:17 WrapperNode [2024-10-14 23:25:17,117 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 23:25:17,118 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 23:25:17,118 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 23:25:17,118 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 23:25:17,123 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:25:17" (1/1) ... [2024-10-14 23:25:17,154 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:25:17" (1/1) ... [2024-10-14 23:25:17,211 INFO L138 Inliner]: procedures = 282, calls = 290, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 1478 [2024-10-14 23:25:17,212 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 23:25:17,213 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 23:25:17,213 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 23:25:17,213 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 23:25:17,223 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:25:17" (1/1) ... [2024-10-14 23:25:17,224 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:25:17" (1/1) ... [2024-10-14 23:25:17,240 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:25:17" (1/1) ... [2024-10-14 23:25:17,316 INFO L175 MemorySlicer]: Split 259 memory accesses to 4 slices as follows [2, 3, 34, 220]. 85 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0]. The 55 writes are split as follows [0, 2, 4, 49]. [2024-10-14 23:25:17,316 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:25:17" (1/1) ... [2024-10-14 23:25:17,316 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:25:17" (1/1) ... [2024-10-14 23:25:17,351 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:25:17" (1/1) ... [2024-10-14 23:25:17,369 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:25:17" (1/1) ... [2024-10-14 23:25:17,374 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:25:17" (1/1) ... [2024-10-14 23:25:17,379 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:25:17" (1/1) ... [2024-10-14 23:25:17,389 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 23:25:17,390 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 23:25:17,390 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 23:25:17,390 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 23:25:17,391 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:25:17" (1/1) ... [2024-10-14 23:25:17,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 23:25:17,411 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 23:25:17,424 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-14 23:25:17,426 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-14 23:25:17,464 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-10-14 23:25:17,464 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-10-14 23:25:17,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-14 23:25:17,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-14 23:25:17,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-14 23:25:17,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-14 23:25:17,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-14 23:25:17,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-14 23:25:17,465 INFO L130 BoogieDeclarations]: Found specification of procedure alt_bzero [2024-10-14 23:25:17,465 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_bzero [2024-10-14 23:25:17,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-14 23:25:17,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-14 23:25:17,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-14 23:25:17,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-14 23:25:17,465 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-14 23:25:17,465 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-14 23:25:17,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-14 23:25:17,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-14 23:25:17,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-14 23:25:17,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-14 23:25:17,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-14 23:25:17,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 23:25:17,467 INFO L130 BoogieDeclarations]: Found specification of procedure alt_malloc [2024-10-14 23:25:17,467 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_malloc [2024-10-14 23:25:17,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-14 23:25:17,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-14 23:25:17,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-14 23:25:17,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-14 23:25:17,468 INFO L130 BoogieDeclarations]: Found specification of procedure alt_free [2024-10-14 23:25:17,468 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_free [2024-10-14 23:25:17,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 23:25:17,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-14 23:25:17,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-14 23:25:17,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-14 23:25:17,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 23:25:17,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 23:25:17,634 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 23:25:17,636 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 23:25:18,776 INFO L? ?]: Removed 345 outVars from TransFormulas that were not future-live. [2024-10-14 23:25:18,776 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 23:25:18,830 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 23:25:18,830 INFO L314 CfgBuilder]: Removed 63 assume(true) statements. [2024-10-14 23:25:18,830 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:25:18 BoogieIcfgContainer [2024-10-14 23:25:18,830 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 23:25:18,834 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 23:25:18,834 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 23:25:18,837 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 23:25:18,837 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:25:16" (1/3) ... [2024-10-14 23:25:18,838 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cc4ed68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:25:18, skipping insertion in model container [2024-10-14 23:25:18,838 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:25:17" (2/3) ... [2024-10-14 23:25:18,839 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cc4ed68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:25:18, skipping insertion in model container [2024-10-14 23:25:18,839 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:25:18" (3/3) ... [2024-10-14 23:25:18,840 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_BER_test6-1.i [2024-10-14 23:25:18,854 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 23:25:18,855 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2024-10-14 23:25:18,915 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 23:25:18,929 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;@7bef8c6f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 23:25:18,929 INFO L334 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2024-10-14 23:25:18,934 INFO L276 IsEmpty]: Start isEmpty. Operand has 452 states, 415 states have (on average 1.621686746987952) internal successors, (673), 432 states have internal predecessors, (673), 18 states have call successors, (18), 5 states have call predecessors, (18), 5 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-10-14 23:25:18,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-14 23:25:18,940 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:25:18,942 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-14 23:25:18,942 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)] === [2024-10-14 23:25:18,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:25:18,948 INFO L85 PathProgramCache]: Analyzing trace with hash 608439599, now seen corresponding path program 1 times [2024-10-14 23:25:18,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:25:18,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429725844] [2024-10-14 23:25:18,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:25:18,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:25:19,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:25:19,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:25:19,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:25:19,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429725844] [2024-10-14 23:25:19,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [429725844] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:25:19,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:25:19,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 23:25:19,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301200566] [2024-10-14 23:25:19,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:25:19,203 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 23:25:19,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:25:19,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 23:25:19,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 23:25:19,244 INFO L87 Difference]: Start difference. First operand has 452 states, 415 states have (on average 1.621686746987952) internal successors, (673), 432 states have internal predecessors, (673), 18 states have call successors, (18), 5 states have call predecessors, (18), 5 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:25:19,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:25:19,324 INFO L93 Difference]: Finished difference Result 898 states and 1422 transitions. [2024-10-14 23:25:19,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 23:25:19,326 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 [2024-10-14 23:25:19,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:25:19,344 INFO L225 Difference]: With dead ends: 898 [2024-10-14 23:25:19,345 INFO L226 Difference]: Without dead ends: 435 [2024-10-14 23:25:19,350 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 [2024-10-14 23:25:19,356 INFO L432 NwaCegarLoop]: 623 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 623 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 23:25:19,358 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 623 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 23:25:19,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2024-10-14 23:25:19,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 435. [2024-10-14 23:25:19,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 435 states, 407 states have (on average 1.457002457002457) internal successors, (593), 421 states have internal predecessors, (593), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-14 23:25:19,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 613 transitions. [2024-10-14 23:25:19,420 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 613 transitions. Word has length 6 [2024-10-14 23:25:19,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:25:19,420 INFO L471 AbstractCegarLoop]: Abstraction has 435 states and 613 transitions. [2024-10-14 23:25:19,421 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) [2024-10-14 23:25:19,421 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 613 transitions. [2024-10-14 23:25:19,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-14 23:25:19,421 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:25:19,422 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-14 23:25:19,422 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 23:25:19,422 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)] === [2024-10-14 23:25:19,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:25:19,423 INFO L85 PathProgramCache]: Analyzing trace with hash 608441521, now seen corresponding path program 1 times [2024-10-14 23:25:19,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:25:19,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067954205] [2024-10-14 23:25:19,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:25:19,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:25:19,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 23:25:19,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [566057800] [2024-10-14 23:25:19,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:25:19,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 23:25:19,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 23:25:19,471 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 23:25:19,474 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-14 23:25:19,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:25:19,621 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-14 23:25:19,627 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 23:25:19,683 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 [2024-10-14 23:25:19,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:25:19,725 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 23:25:19,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:25:19,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067954205] [2024-10-14 23:25:19,726 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 23:25:19,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [566057800] [2024-10-14 23:25:19,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [566057800] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:25:19,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:25:19,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 23:25:19,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703303581] [2024-10-14 23:25:19,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:25:19,727 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 23:25:19,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:25:19,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 23:25:19,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 23:25:19,729 INFO L87 Difference]: Start difference. First operand 435 states and 613 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:25:19,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:25:19,891 INFO L93 Difference]: Finished difference Result 841 states and 1198 transitions. [2024-10-14 23:25:19,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 23:25:19,893 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 [2024-10-14 23:25:19,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:25:19,899 INFO L225 Difference]: With dead ends: 841 [2024-10-14 23:25:19,899 INFO L226 Difference]: Without dead ends: 839 [2024-10-14 23:25:19,900 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 [2024-10-14 23:25:19,901 INFO L432 NwaCegarLoop]: 632 mSDtfsCounter, 560 mSDsluCounter, 1207 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 569 SdHoareTripleChecker+Valid, 1839 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 23:25:19,901 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [569 Valid, 1839 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 23:25:19,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 839 states. [2024-10-14 23:25:19,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 839 to 441. [2024-10-14 23:25:19,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 413 states have (on average 1.4527845036319613) internal successors, (600), 427 states have internal predecessors, (600), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-14 23:25:19,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 620 transitions. [2024-10-14 23:25:19,935 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 620 transitions. Word has length 6 [2024-10-14 23:25:19,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:25:19,935 INFO L471 AbstractCegarLoop]: Abstraction has 441 states and 620 transitions. [2024-10-14 23:25:19,935 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) [2024-10-14 23:25:19,936 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 620 transitions. [2024-10-14 23:25:19,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-10-14 23:25:19,939 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:25:19,940 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] [2024-10-14 23:25:19,952 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-14 23:25:20,140 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 23:25:20,141 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-14 23:25:20,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:25:20,141 INFO L85 PathProgramCache]: Analyzing trace with hash 2006626720, now seen corresponding path program 1 times [2024-10-14 23:25:20,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:25:20,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925114932] [2024-10-14 23:25:20,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:25:20,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:25:20,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:25:20,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:25:20,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:25:20,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925114932] [2024-10-14 23:25:20,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925114932] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:25:20,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:25:20,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 23:25:20,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020549927] [2024-10-14 23:25:20,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:25:20,424 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 23:25:20,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:25:20,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 23:25:20,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 23:25:20,425 INFO L87 Difference]: Start difference. First operand 441 states and 620 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:25:20,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:25:20,521 INFO L93 Difference]: Finished difference Result 878 states and 1235 transitions. [2024-10-14 23:25:20,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 23:25:20,522 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 [2024-10-14 23:25:20,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:25:20,524 INFO L225 Difference]: With dead ends: 878 [2024-10-14 23:25:20,525 INFO L226 Difference]: Without dead ends: 444 [2024-10-14 23:25:20,526 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-14 23:25:20,527 INFO L432 NwaCegarLoop]: 578 mSDtfsCounter, 105 mSDsluCounter, 1065 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 1643 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 23:25:20,528 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 1643 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 23:25:20,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2024-10-14 23:25:20,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 441. [2024-10-14 23:25:20,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 413 states have (on average 1.4358353510895885) internal successors, (593), 427 states have internal predecessors, (593), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-14 23:25:20,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 613 transitions. [2024-10-14 23:25:20,541 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 613 transitions. Word has length 62 [2024-10-14 23:25:20,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:25:20,541 INFO L471 AbstractCegarLoop]: Abstraction has 441 states and 613 transitions. [2024-10-14 23:25:20,542 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) [2024-10-14 23:25:20,542 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 613 transitions. [2024-10-14 23:25:20,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-10-14 23:25:20,546 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:25:20,546 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] [2024-10-14 23:25:20,547 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 23:25:20,547 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)] === [2024-10-14 23:25:20,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:25:20,547 INFO L85 PathProgramCache]: Analyzing trace with hash 942426772, now seen corresponding path program 1 times [2024-10-14 23:25:20,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:25:20,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867293284] [2024-10-14 23:25:20,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:25:20,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:25:20,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:25:20,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:25:20,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:25:20,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867293284] [2024-10-14 23:25:20,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867293284] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:25:20,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:25:20,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 23:25:20,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349601570] [2024-10-14 23:25:20,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:25:20,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 23:25:20,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:25:20,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 23:25:20,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 23:25:20,774 INFO L87 Difference]: Start difference. First operand 441 states and 613 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) [2024-10-14 23:25:20,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:25:20,840 INFO L93 Difference]: Finished difference Result 857 states and 1202 transitions. [2024-10-14 23:25:20,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 23:25:20,841 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 [2024-10-14 23:25:20,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:25:20,846 INFO L225 Difference]: With dead ends: 857 [2024-10-14 23:25:20,846 INFO L226 Difference]: Without dead ends: 855 [2024-10-14 23:25:20,847 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 [2024-10-14 23:25:20,847 INFO L432 NwaCegarLoop]: 590 mSDtfsCounter, 530 mSDsluCounter, 1175 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 530 SdHoareTripleChecker+Valid, 1765 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 23:25:20,848 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [530 Valid, 1765 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 23:25:20,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 855 states. [2024-10-14 23:25:20,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 855 to 843. [2024-10-14 23:25:20,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 843 states, 805 states have (on average 1.439751552795031) internal successors, (1159), 820 states have internal predecessors, (1159), 18 states have call successors, (18), 7 states have call predecessors, (18), 6 states have return successors, (21), 16 states have call predecessors, (21), 18 states have call successors, (21) [2024-10-14 23:25:20,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 843 states to 843 states and 1198 transitions. [2024-10-14 23:25:20,869 INFO L78 Accepts]: Start accepts. Automaton has 843 states and 1198 transitions. Word has length 62 [2024-10-14 23:25:20,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:25:20,869 INFO L471 AbstractCegarLoop]: Abstraction has 843 states and 1198 transitions. [2024-10-14 23:25:20,869 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) [2024-10-14 23:25:20,869 INFO L276 IsEmpty]: Start isEmpty. Operand 843 states and 1198 transitions. [2024-10-14 23:25:20,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-10-14 23:25:20,871 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:25:20,871 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:25:20,871 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 23:25:20,871 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-14 23:25:20,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:25:20,872 INFO L85 PathProgramCache]: Analyzing trace with hash -849541099, now seen corresponding path program 1 times [2024-10-14 23:25:20,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:25:20,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093183838] [2024-10-14 23:25:20,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:25:20,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:25:20,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:25:21,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:25:21,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:25:21,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093183838] [2024-10-14 23:25:21,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093183838] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:25:21,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:25:21,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 23:25:21,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666654975] [2024-10-14 23:25:21,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:25:21,047 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 23:25:21,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:25:21,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 23:25:21,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 23:25:21,047 INFO L87 Difference]: Start difference. First operand 843 states and 1198 transitions. Second operand has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:25:21,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:25:21,117 INFO L93 Difference]: Finished difference Result 1404 states and 2004 transitions. [2024-10-14 23:25:21,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 23:25:21,118 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2024-10-14 23:25:21,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:25:21,125 INFO L225 Difference]: With dead ends: 1404 [2024-10-14 23:25:21,126 INFO L226 Difference]: Without dead ends: 1402 [2024-10-14 23:25:21,128 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 [2024-10-14 23:25:21,129 INFO L432 NwaCegarLoop]: 593 mSDtfsCounter, 461 mSDsluCounter, 1182 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 461 SdHoareTripleChecker+Valid, 1775 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 23:25:21,129 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [461 Valid, 1775 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 23:25:21,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1402 states. [2024-10-14 23:25:21,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1402 to 1394. [2024-10-14 23:25:21,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1394 states, 1350 states have (on average 1.4466666666666668) internal successors, (1953), 1366 states have internal predecessors, (1953), 23 states have call successors, (23), 10 states have call predecessors, (23), 7 states have return successors, (26), 18 states have call predecessors, (26), 23 states have call successors, (26) [2024-10-14 23:25:21,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1394 states to 1394 states and 2002 transitions. [2024-10-14 23:25:21,167 INFO L78 Accepts]: Start accepts. Automaton has 1394 states and 2002 transitions. Word has length 63 [2024-10-14 23:25:21,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:25:21,168 INFO L471 AbstractCegarLoop]: Abstraction has 1394 states and 2002 transitions. [2024-10-14 23:25:21,168 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:25:21,168 INFO L276 IsEmpty]: Start isEmpty. Operand 1394 states and 2002 transitions. [2024-10-14 23:25:21,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-10-14 23:25:21,169 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:25:21,169 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] [2024-10-14 23:25:21,169 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 23:25:21,170 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)] === [2024-10-14 23:25:21,170 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:25:21,170 INFO L85 PathProgramCache]: Analyzing trace with hash -2121850464, now seen corresponding path program 1 times [2024-10-14 23:25:21,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:25:21,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424316781] [2024-10-14 23:25:21,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:25:21,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:25:21,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:25:21,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-14 23:25:21,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:25:21,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:25:21,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:25:21,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424316781] [2024-10-14 23:25:21,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1424316781] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:25:21,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:25:21,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 23:25:21,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704919381] [2024-10-14 23:25:21,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:25:21,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 23:25:21,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:25:21,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 23:25:21,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 23:25:21,332 INFO L87 Difference]: Start difference. First operand 1394 states and 2002 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) [2024-10-14 23:25:21,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:25:21,460 INFO L93 Difference]: Finished difference Result 1422 states and 2023 transitions. [2024-10-14 23:25:21,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 23:25:21,460 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 [2024-10-14 23:25:21,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:25:21,466 INFO L225 Difference]: With dead ends: 1422 [2024-10-14 23:25:21,467 INFO L226 Difference]: Without dead ends: 1420 [2024-10-14 23:25:21,468 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 [2024-10-14 23:25:21,469 INFO L432 NwaCegarLoop]: 583 mSDtfsCounter, 505 mSDsluCounter, 1142 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 506 SdHoareTripleChecker+Valid, 1725 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 23:25:21,471 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [506 Valid, 1725 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 23:25:21,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1420 states. [2024-10-14 23:25:21,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1420 to 1411. [2024-10-14 23:25:21,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1411 states, 1362 states have (on average 1.4434654919236416) internal successors, (1966), 1379 states have internal predecessors, (1966), 26 states have call successors, (26), 12 states have call predecessors, (26), 9 states have return successors, (29), 21 states have call predecessors, (29), 26 states have call successors, (29) [2024-10-14 23:25:21,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1411 states to 1411 states and 2021 transitions. [2024-10-14 23:25:21,505 INFO L78 Accepts]: Start accepts. Automaton has 1411 states and 2021 transitions. Word has length 71 [2024-10-14 23:25:21,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:25:21,506 INFO L471 AbstractCegarLoop]: Abstraction has 1411 states and 2021 transitions. [2024-10-14 23:25:21,506 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) [2024-10-14 23:25:21,506 INFO L276 IsEmpty]: Start isEmpty. Operand 1411 states and 2021 transitions. [2024-10-14 23:25:21,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-10-14 23:25:21,507 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:25:21,507 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:25:21,508 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-14 23:25:21,508 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-14 23:25:21,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:25:21,508 INFO L85 PathProgramCache]: Analyzing trace with hash -1041853275, now seen corresponding path program 1 times [2024-10-14 23:25:21,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:25:21,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873925711] [2024-10-14 23:25:21,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:25:21,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:25:21,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:25:21,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:25:21,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:25:21,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873925711] [2024-10-14 23:25:21,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1873925711] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:25:21,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:25:21,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 23:25:21,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351415746] [2024-10-14 23:25:21,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:25:21,662 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 23:25:21,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:25:21,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 23:25:21,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 23:25:21,663 INFO L87 Difference]: Start difference. First operand 1411 states and 2021 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:25:21,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:25:21,789 INFO L93 Difference]: Finished difference Result 2623 states and 3774 transitions. [2024-10-14 23:25:21,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 23:25:21,789 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2024-10-14 23:25:21,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:25:21,796 INFO L225 Difference]: With dead ends: 2623 [2024-10-14 23:25:21,797 INFO L226 Difference]: Without dead ends: 2230 [2024-10-14 23:25:21,798 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 [2024-10-14 23:25:21,798 INFO L432 NwaCegarLoop]: 587 mSDtfsCounter, 554 mSDsluCounter, 1154 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 563 SdHoareTripleChecker+Valid, 1741 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 23:25:21,799 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [563 Valid, 1741 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 23:25:21,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2230 states. [2024-10-14 23:25:21,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2230 to 1411. [2024-10-14 23:25:21,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1411 states, 1362 states have (on average 1.4427312775330396) internal successors, (1965), 1379 states have internal predecessors, (1965), 26 states have call successors, (26), 12 states have call predecessors, (26), 9 states have return successors, (29), 21 states have call predecessors, (29), 26 states have call successors, (29) [2024-10-14 23:25:21,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1411 states to 1411 states and 2020 transitions. [2024-10-14 23:25:21,837 INFO L78 Accepts]: Start accepts. Automaton has 1411 states and 2020 transitions. Word has length 69 [2024-10-14 23:25:21,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:25:21,837 INFO L471 AbstractCegarLoop]: Abstraction has 1411 states and 2020 transitions. [2024-10-14 23:25:21,837 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:25:21,838 INFO L276 IsEmpty]: Start isEmpty. Operand 1411 states and 2020 transitions. [2024-10-14 23:25:21,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-10-14 23:25:21,839 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:25:21,839 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] [2024-10-14 23:25:21,839 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-14 23:25:21,840 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)] === [2024-10-14 23:25:21,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:25:21,840 INFO L85 PathProgramCache]: Analyzing trace with hash 760083501, now seen corresponding path program 1 times [2024-10-14 23:25:21,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:25:21,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108154242] [2024-10-14 23:25:21,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:25:21,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:25:21,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:25:22,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-14 23:25:22,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:25:22,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 23:25:22,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:25:22,165 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:25:22,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:25:22,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108154242] [2024-10-14 23:25:22,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108154242] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 23:25:22,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1955190882] [2024-10-14 23:25:22,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:25:22,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 23:25:22,166 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 23:25:22,168 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 23:25:22,168 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-14 23:25:22,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:25:22,379 INFO L255 TraceCheckSpWp]: Trace formula consists of 479 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-14 23:25:22,382 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 23:25:22,486 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:25:22,486 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 23:25:22,670 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:25:22,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1955190882] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 23:25:22,671 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 23:25:22,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 7] total 16 [2024-10-14 23:25:22,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471555974] [2024-10-14 23:25:22,671 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 23:25:22,671 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-14 23:25:22,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:25:22,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-14 23:25:22,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2024-10-14 23:25:22,673 INFO L87 Difference]: Start difference. First operand 1411 states and 2020 transitions. Second operand has 17 states, 16 states have (on average 9.5) internal successors, (152), 13 states have internal predecessors, (152), 4 states have call successors, (8), 7 states have call predecessors, (8), 4 states have return successors, (5), 2 states have call predecessors, (5), 4 states have call successors, (5) [2024-10-14 23:25:24,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:25:24,014 INFO L93 Difference]: Finished difference Result 3902 states and 5586 transitions. [2024-10-14 23:25:24,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-10-14 23:25:24,015 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 9.5) internal successors, (152), 13 states have internal predecessors, (152), 4 states have call successors, (8), 7 states have call predecessors, (8), 4 states have return successors, (5), 2 states have call predecessors, (5), 4 states have call successors, (5) Word has length 79 [2024-10-14 23:25:24,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:25:24,027 INFO L225 Difference]: With dead ends: 3902 [2024-10-14 23:25:24,027 INFO L226 Difference]: Without dead ends: 3900 [2024-10-14 23:25:24,030 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 333 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=430, Invalid=1130, Unknown=0, NotChecked=0, Total=1560 [2024-10-14 23:25:24,030 INFO L432 NwaCegarLoop]: 655 mSDtfsCounter, 2935 mSDsluCounter, 8293 mSDsCounter, 0 mSdLazyCounter, 660 mSolverCounterSat, 176 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2945 SdHoareTripleChecker+Valid, 8948 SdHoareTripleChecker+Invalid, 836 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 176 IncrementalHoareTripleChecker+Valid, 660 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 23:25:24,031 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2945 Valid, 8948 Invalid, 836 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [176 Valid, 660 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 23:25:24,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3900 states. [2024-10-14 23:25:24,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3900 to 3422. [2024-10-14 23:25:24,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3422 states, 3311 states have (on average 1.438236182422229) internal successors, (4762), 3330 states have internal predecessors, (4762), 73 states have call successors, (73), 30 states have call predecessors, (73), 24 states have return successors, (99), 61 states have call predecessors, (99), 73 states have call successors, (99) [2024-10-14 23:25:24,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3422 states to 3422 states and 4934 transitions. [2024-10-14 23:25:24,111 INFO L78 Accepts]: Start accepts. Automaton has 3422 states and 4934 transitions. Word has length 79 [2024-10-14 23:25:24,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:25:24,111 INFO L471 AbstractCegarLoop]: Abstraction has 3422 states and 4934 transitions. [2024-10-14 23:25:24,111 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 9.5) internal successors, (152), 13 states have internal predecessors, (152), 4 states have call successors, (8), 7 states have call predecessors, (8), 4 states have return successors, (5), 2 states have call predecessors, (5), 4 states have call successors, (5) [2024-10-14 23:25:24,111 INFO L276 IsEmpty]: Start isEmpty. Operand 3422 states and 4934 transitions. [2024-10-14 23:25:24,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-10-14 23:25:24,112 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:25:24,112 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] [2024-10-14 23:25:24,126 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-14 23:25:24,316 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-10-14 23:25:24,317 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)] === [2024-10-14 23:25:24,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:25:24,318 INFO L85 PathProgramCache]: Analyzing trace with hash -1771772127, now seen corresponding path program 1 times [2024-10-14 23:25:24,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:25:24,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865184452] [2024-10-14 23:25:24,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:25:24,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:25:24,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:25:24,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:25:24,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:25:24,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865184452] [2024-10-14 23:25:24,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865184452] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:25:24,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:25:24,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 23:25:24,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123367614] [2024-10-14 23:25:24,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:25:24,424 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 23:25:24,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:25:24,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 23:25:24,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 23:25:24,425 INFO L87 Difference]: Start difference. First operand 3422 states and 4934 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) [2024-10-14 23:25:24,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:25:24,555 INFO L93 Difference]: Finished difference Result 7400 states and 10707 transitions. [2024-10-14 23:25:24,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 23:25:24,556 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 [2024-10-14 23:25:24,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:25:24,569 INFO L225 Difference]: With dead ends: 7400 [2024-10-14 23:25:24,569 INFO L226 Difference]: Without dead ends: 3985 [2024-10-14 23:25:24,574 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 [2024-10-14 23:25:24,575 INFO L432 NwaCegarLoop]: 783 mSDtfsCounter, 373 mSDsluCounter, 575 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 374 SdHoareTripleChecker+Valid, 1358 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 23:25:24,575 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [374 Valid, 1358 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 23:25:24,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3985 states. [2024-10-14 23:25:24,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3985 to 3968. [2024-10-14 23:25:24,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3968 states, 3864 states have (on average 1.4474637681159421) internal successors, (5593), 3882 states have internal predecessors, (5593), 67 states have call successors, (67), 28 states have call predecessors, (67), 23 states have return successors, (92), 57 states have call predecessors, (92), 67 states have call successors, (92) [2024-10-14 23:25:24,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3968 states to 3968 states and 5752 transitions. [2024-10-14 23:25:24,671 INFO L78 Accepts]: Start accepts. Automaton has 3968 states and 5752 transitions. Word has length 80 [2024-10-14 23:25:24,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:25:24,671 INFO L471 AbstractCegarLoop]: Abstraction has 3968 states and 5752 transitions. [2024-10-14 23:25:24,671 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) [2024-10-14 23:25:24,671 INFO L276 IsEmpty]: Start isEmpty. Operand 3968 states and 5752 transitions. [2024-10-14 23:25:24,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-10-14 23:25:24,672 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:25:24,672 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] [2024-10-14 23:25:24,672 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-14 23:25:24,673 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)] === [2024-10-14 23:25:24,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:25:24,673 INFO L85 PathProgramCache]: Analyzing trace with hash -175259048, now seen corresponding path program 1 times [2024-10-14 23:25:24,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:25:24,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938240560] [2024-10-14 23:25:24,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:25:24,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:25:24,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:25:24,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-14 23:25:24,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:25:24,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 23:25:24,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:25:24,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-14 23:25:24,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:25:24,973 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-14 23:25:24,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:25:24,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938240560] [2024-10-14 23:25:24,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938240560] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 23:25:24,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [548238889] [2024-10-14 23:25:24,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:25:24,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 23:25:24,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 23:25:24,975 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 23:25:24,977 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-14 23:25:25,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:25:25,185 INFO L255 TraceCheckSpWp]: Trace formula consists of 572 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-14 23:25:25,188 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 23:25:25,228 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:25:25,228 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 23:25:25,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [548238889] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:25:25,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 23:25:25,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2024-10-14 23:25:25,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473713248] [2024-10-14 23:25:25,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:25:25,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 23:25:25,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:25:25,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 23:25:25,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-10-14 23:25:25,230 INFO L87 Difference]: Start difference. First operand 3968 states and 5752 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) [2024-10-14 23:25:25,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:25:25,282 INFO L93 Difference]: Finished difference Result 3968 states and 5752 transitions. [2024-10-14 23:25:25,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 23:25:25,283 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 [2024-10-14 23:25:25,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:25:25,295 INFO L225 Difference]: With dead ends: 3968 [2024-10-14 23:25:25,296 INFO L226 Difference]: Without dead ends: 3967 [2024-10-14 23:25:25,297 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 [2024-10-14 23:25:25,298 INFO L432 NwaCegarLoop]: 595 mSDtfsCounter, 589 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 589 SdHoareTripleChecker+Valid, 595 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 23:25:25,299 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [589 Valid, 595 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 23:25:25,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3967 states. [2024-10-14 23:25:25,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3967 to 3967. [2024-10-14 23:25:25,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3967 states, 3864 states have (on average 1.4453933747412009) internal successors, (5585), 3881 states have internal predecessors, (5585), 67 states have call successors, (67), 28 states have call predecessors, (67), 23 states have return successors, (92), 57 states have call predecessors, (92), 67 states have call successors, (92) [2024-10-14 23:25:25,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3967 states to 3967 states and 5744 transitions. [2024-10-14 23:25:25,388 INFO L78 Accepts]: Start accepts. Automaton has 3967 states and 5744 transitions. Word has length 87 [2024-10-14 23:25:25,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:25:25,389 INFO L471 AbstractCegarLoop]: Abstraction has 3967 states and 5744 transitions. [2024-10-14 23:25:25,389 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) [2024-10-14 23:25:25,389 INFO L276 IsEmpty]: Start isEmpty. Operand 3967 states and 5744 transitions. [2024-10-14 23:25:25,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-10-14 23:25:25,390 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:25:25,390 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] [2024-10-14 23:25:25,406 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-14 23:25:25,591 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 23:25:25,591 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)] === [2024-10-14 23:25:25,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:25:25,592 INFO L85 PathProgramCache]: Analyzing trace with hash -1138063123, now seen corresponding path program 1 times [2024-10-14 23:25:25,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:25:25,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844876533] [2024-10-14 23:25:25,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:25:25,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:25:25,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:25:25,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-14 23:25:25,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:25:25,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 23:25:25,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:25:25,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-14 23:25:25,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:25:25,919 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-14 23:25:25,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:25:25,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844876533] [2024-10-14 23:25:25,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844876533] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 23:25:25,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1538420874] [2024-10-14 23:25:25,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:25:25,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 23:25:25,920 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 23:25:25,922 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 23:25:25,923 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-14 23:25:26,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:25:26,143 INFO L255 TraceCheckSpWp]: Trace formula consists of 573 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-14 23:25:26,146 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 23:25:26,261 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:25:26,261 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 23:25:26,408 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-14 23:25:26,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1538420874] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 23:25:26,409 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 23:25:26,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4, 5] total 13 [2024-10-14 23:25:26,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357882150] [2024-10-14 23:25:26,409 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 23:25:26,410 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-14 23:25:26,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:25:26,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-14 23:25:26,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2024-10-14 23:25:26,411 INFO L87 Difference]: Start difference. First operand 3967 states and 5744 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) [2024-10-14 23:25:27,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:25:27,077 INFO L93 Difference]: Finished difference Result 7233 states and 10445 transitions. [2024-10-14 23:25:27,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-14 23:25:27,077 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 [2024-10-14 23:25:27,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:25:27,099 INFO L225 Difference]: With dead ends: 7233 [2024-10-14 23:25:27,103 INFO L226 Difference]: Without dead ends: 7232 [2024-10-14 23:25:27,106 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 [2024-10-14 23:25:27,106 INFO L432 NwaCegarLoop]: 566 mSDtfsCounter, 3743 mSDsluCounter, 3909 mSDsCounter, 0 mSdLazyCounter, 285 mSolverCounterSat, 195 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3752 SdHoareTripleChecker+Valid, 4475 SdHoareTripleChecker+Invalid, 480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 195 IncrementalHoareTripleChecker+Valid, 285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 23:25:27,107 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3752 Valid, 4475 Invalid, 480 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [195 Valid, 285 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 23:25:27,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7232 states. [2024-10-14 23:25:27,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7232 to 6501. [2024-10-14 23:25:27,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6501 states, 6319 states have (on average 1.4412090520652001) internal successors, (9107), 6337 states have internal predecessors, (9107), 117 states have call successors, (117), 62 states have call predecessors, (117), 52 states have return successors, (158), 101 states have call predecessors, (158), 117 states have call successors, (158) [2024-10-14 23:25:27,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6501 states to 6501 states and 9382 transitions. [2024-10-14 23:25:27,242 INFO L78 Accepts]: Start accepts. Automaton has 6501 states and 9382 transitions. Word has length 88 [2024-10-14 23:25:27,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:25:27,243 INFO L471 AbstractCegarLoop]: Abstraction has 6501 states and 9382 transitions. [2024-10-14 23:25:27,243 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) [2024-10-14 23:25:27,243 INFO L276 IsEmpty]: Start isEmpty. Operand 6501 states and 9382 transitions. [2024-10-14 23:25:27,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-10-14 23:25:27,244 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:25:27,244 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] [2024-10-14 23:25:27,265 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-14 23:25:27,445 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 23:25:27,445 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)] === [2024-10-14 23:25:27,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:25:27,446 INFO L85 PathProgramCache]: Analyzing trace with hash 55893321, now seen corresponding path program 1 times [2024-10-14 23:25:27,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:25:27,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849727160] [2024-10-14 23:25:27,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:25:27,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:25:27,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:25:27,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-14 23:25:27,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:25:27,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 23:25:27,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:25:27,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-14 23:25:27,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:25:27,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 23:25:27,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:25:27,811 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-14 23:25:27,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:25:27,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849727160] [2024-10-14 23:25:27,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849727160] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:25:27,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:25:27,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 23:25:27,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901868659] [2024-10-14 23:25:27,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:25:27,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 23:25:27,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:25:27,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 23:25:27,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-14 23:25:27,814 INFO L87 Difference]: Start difference. First operand 6501 states and 9382 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) [2024-10-14 23:25:28,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:25:28,310 INFO L93 Difference]: Finished difference Result 8688 states and 12550 transitions. [2024-10-14 23:25:28,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 23:25:28,311 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 [2024-10-14 23:25:28,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:25:28,328 INFO L225 Difference]: With dead ends: 8688 [2024-10-14 23:25:28,328 INFO L226 Difference]: Without dead ends: 8686 [2024-10-14 23:25:28,332 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-14 23:25:28,333 INFO L432 NwaCegarLoop]: 553 mSDtfsCounter, 506 mSDsluCounter, 2080 mSDsCounter, 0 mSdLazyCounter, 331 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 512 SdHoareTripleChecker+Valid, 2633 SdHoareTripleChecker+Invalid, 366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 23:25:28,333 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [512 Valid, 2633 Invalid, 366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 331 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 23:25:28,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8686 states. [2024-10-14 23:25:28,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8686 to 6669. [2024-10-14 23:25:28,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6669 states, 6478 states have (on average 1.4364001234949058) internal successors, (9305), 6497 states have internal predecessors, (9305), 126 states have call successors, (126), 62 states have call predecessors, (126), 52 states have return successors, (170), 109 states have call predecessors, (170), 126 states have call successors, (170) [2024-10-14 23:25:28,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6669 states to 6669 states and 9601 transitions. [2024-10-14 23:25:28,512 INFO L78 Accepts]: Start accepts. Automaton has 6669 states and 9601 transitions. Word has length 112 [2024-10-14 23:25:28,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:25:28,513 INFO L471 AbstractCegarLoop]: Abstraction has 6669 states and 9601 transitions. [2024-10-14 23:25:28,513 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) [2024-10-14 23:25:28,513 INFO L276 IsEmpty]: Start isEmpty. Operand 6669 states and 9601 transitions. [2024-10-14 23:25:28,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-10-14 23:25:28,515 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:25:28,515 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] [2024-10-14 23:25:28,515 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-14 23:25:28,515 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)] === [2024-10-14 23:25:28,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:25:28,515 INFO L85 PathProgramCache]: Analyzing trace with hash -1406251627, now seen corresponding path program 1 times [2024-10-14 23:25:28,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:25:28,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593693503] [2024-10-14 23:25:28,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:25:28,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:25:28,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:25:28,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-14 23:25:28,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:25:28,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 23:25:28,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:25:28,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-14 23:25:28,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:25:28,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 23:25:28,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:25:28,825 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-14 23:25:28,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:25:28,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593693503] [2024-10-14 23:25:28,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593693503] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 23:25:28,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1470074963] [2024-10-14 23:25:28,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:25:28,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 23:25:28,828 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 23:25:28,829 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 23:25:28,830 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-14 23:25:29,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:25:29,132 INFO L255 TraceCheckSpWp]: Trace formula consists of 757 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-14 23:25:29,136 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 23:25:29,239 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-14 23:25:29,239 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 23:25:29,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1470074963] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:25:29,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 23:25:29,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 12 [2024-10-14 23:25:29,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413031804] [2024-10-14 23:25:29,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:25:29,240 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 23:25:29,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:25:29,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 23:25:29,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-10-14 23:25:29,241 INFO L87 Difference]: Start difference. First operand 6669 states and 9601 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) [2024-10-14 23:25:29,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:25:29,488 INFO L93 Difference]: Finished difference Result 12515 states and 18057 transitions. [2024-10-14 23:25:29,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 23:25:29,489 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 [2024-10-14 23:25:29,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:25:29,501 INFO L225 Difference]: With dead ends: 12515 [2024-10-14 23:25:29,501 INFO L226 Difference]: Without dead ends: 6237 [2024-10-14 23:25:29,510 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 [2024-10-14 23:25:29,511 INFO L432 NwaCegarLoop]: 578 mSDtfsCounter, 158 mSDsluCounter, 2259 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 2837 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 23:25:29,511 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 2837 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 23:25:29,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6237 states. [2024-10-14 23:25:29,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6237 to 6237. [2024-10-14 23:25:29,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6237 states, 6072 states have (on average 1.4400527009222661) internal successors, (8744), 6088 states have internal predecessors, (8744), 109 states have call successors, (109), 53 states have call predecessors, (109), 43 states have return successors, (144), 95 states have call predecessors, (144), 109 states have call successors, (144) [2024-10-14 23:25:29,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6237 states to 6237 states and 8997 transitions. [2024-10-14 23:25:29,631 INFO L78 Accepts]: Start accepts. Automaton has 6237 states and 8997 transitions. Word has length 118 [2024-10-14 23:25:29,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:25:29,631 INFO L471 AbstractCegarLoop]: Abstraction has 6237 states and 8997 transitions. [2024-10-14 23:25:29,631 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) [2024-10-14 23:25:29,632 INFO L276 IsEmpty]: Start isEmpty. Operand 6237 states and 8997 transitions. [2024-10-14 23:25:29,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-10-14 23:25:29,632 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:25:29,633 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] [2024-10-14 23:25:29,650 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-14 23:25:29,833 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-10-14 23:25:29,834 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)] === [2024-10-14 23:25:29,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:25:29,835 INFO L85 PathProgramCache]: Analyzing trace with hash 1072127716, now seen corresponding path program 1 times [2024-10-14 23:25:29,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:25:29,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962154046] [2024-10-14 23:25:29,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:25:29,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:25:29,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:25:30,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-14 23:25:30,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:25:30,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-14 23:25:30,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:25:30,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 23:25:30,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:25:30,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 23:25:30,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:25:30,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 23:25:30,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:25:30,184 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-14 23:25:30,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:25:30,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962154046] [2024-10-14 23:25:30,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1962154046] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 23:25:30,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1206182254] [2024-10-14 23:25:30,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:25:30,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 23:25:30,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 23:25:30,187 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 23:25:30,189 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-14 23:25:30,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:25:30,484 INFO L255 TraceCheckSpWp]: Trace formula consists of 767 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-10-14 23:25:30,489 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 23:25:30,495 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 [2024-10-14 23:25:30,515 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 [2024-10-14 23:25:30,531 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 [2024-10-14 23:25:31,138 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-14 23:25:31,138 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 23:25:31,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1206182254] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:25:31,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 23:25:31,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [7] total 16 [2024-10-14 23:25:31,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619830442] [2024-10-14 23:25:31,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:25:31,140 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-14 23:25:31,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:25:31,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-14 23:25:31,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2024-10-14 23:25:31,141 INFO L87 Difference]: Start difference. First operand 6237 states and 8997 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) [2024-10-14 23:25:32,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:25:32,638 INFO L93 Difference]: Finished difference Result 14453 states and 20874 transitions. [2024-10-14 23:25:32,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 23:25:32,639 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 [2024-10-14 23:25:32,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:25:32,654 INFO L225 Difference]: With dead ends: 14453 [2024-10-14 23:25:32,654 INFO L226 Difference]: Without dead ends: 8303 [2024-10-14 23:25:32,663 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 [2024-10-14 23:25:32,664 INFO L432 NwaCegarLoop]: 575 mSDtfsCounter, 828 mSDsluCounter, 2739 mSDsCounter, 0 mSdLazyCounter, 1027 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 835 SdHoareTripleChecker+Valid, 3314 SdHoareTripleChecker+Invalid, 1034 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1027 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-14 23:25:32,664 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [835 Valid, 3314 Invalid, 1034 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1027 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-14 23:25:32,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8303 states. [2024-10-14 23:25:32,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8303 to 6263. [2024-10-14 23:25:32,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6263 states, 6098 states have (on average 1.4389963922597573) internal successors, (8775), 6114 states have internal predecessors, (8775), 109 states have call successors, (109), 53 states have call predecessors, (109), 43 states have return successors, (144), 95 states have call predecessors, (144), 109 states have call successors, (144) [2024-10-14 23:25:32,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6263 states to 6263 states and 9028 transitions. [2024-10-14 23:25:32,817 INFO L78 Accepts]: Start accepts. Automaton has 6263 states and 9028 transitions. Word has length 123 [2024-10-14 23:25:32,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:25:32,817 INFO L471 AbstractCegarLoop]: Abstraction has 6263 states and 9028 transitions. [2024-10-14 23:25:32,817 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) [2024-10-14 23:25:32,817 INFO L276 IsEmpty]: Start isEmpty. Operand 6263 states and 9028 transitions. [2024-10-14 23:25:32,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-10-14 23:25:32,818 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:25:32,818 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] [2024-10-14 23:25:32,833 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-14 23:25:33,019 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 23:25:33,020 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)] === [2024-10-14 23:25:33,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:25:33,020 INFO L85 PathProgramCache]: Analyzing trace with hash 1993915739, now seen corresponding path program 1 times [2024-10-14 23:25:33,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:25:33,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849796723] [2024-10-14 23:25:33,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:25:33,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:25:33,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:25:33,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-14 23:25:33,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:25:33,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-14 23:25:33,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:25:33,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 23:25:33,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:25:33,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-14 23:25:33,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:25:33,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 23:25:33,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:25:33,478 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-14 23:25:33,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:25:33,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849796723] [2024-10-14 23:25:33,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849796723] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 23:25:33,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [372096358] [2024-10-14 23:25:33,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:25:33,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 23:25:33,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 23:25:33,481 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 23:25:33,482 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-14 23:25:33,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:25:33,858 INFO L255 TraceCheckSpWp]: Trace formula consists of 768 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-10-14 23:25:33,862 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 23:25:33,939 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:25:33,939 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 23:25:33,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [372096358] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:25:33,940 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 23:25:33,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [7] total 13 [2024-10-14 23:25:33,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931438294] [2024-10-14 23:25:33,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:25:33,940 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 23:25:33,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:25:33,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 23:25:33,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2024-10-14 23:25:33,941 INFO L87 Difference]: Start difference. First operand 6263 states and 9028 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) [2024-10-14 23:25:34,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:25:34,191 INFO L93 Difference]: Finished difference Result 10262 states and 14795 transitions. [2024-10-14 23:25:34,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 23:25:34,192 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 [2024-10-14 23:25:34,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:25:34,202 INFO L225 Difference]: With dead ends: 10262 [2024-10-14 23:25:34,202 INFO L226 Difference]: Without dead ends: 4158 [2024-10-14 23:25:34,210 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-10-14 23:25:34,211 INFO L432 NwaCegarLoop]: 591 mSDtfsCounter, 13 mSDsluCounter, 4105 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 4696 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 23:25:34,211 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 4696 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 23:25:34,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4158 states. [2024-10-14 23:25:34,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4158 to 4156. [2024-10-14 23:25:34,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4156 states, 4034 states have (on average 1.438522558254834) internal successors, (5803), 4053 states have internal predecessors, (5803), 66 states have call successors, (66), 45 states have call predecessors, (66), 43 states have return successors, (79), 57 states have call predecessors, (79), 66 states have call successors, (79) [2024-10-14 23:25:34,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4156 states to 4156 states and 5948 transitions. [2024-10-14 23:25:34,309 INFO L78 Accepts]: Start accepts. Automaton has 4156 states and 5948 transitions. Word has length 124 [2024-10-14 23:25:34,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:25:34,309 INFO L471 AbstractCegarLoop]: Abstraction has 4156 states and 5948 transitions. [2024-10-14 23:25:34,310 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) [2024-10-14 23:25:34,310 INFO L276 IsEmpty]: Start isEmpty. Operand 4156 states and 5948 transitions. [2024-10-14 23:25:34,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-10-14 23:25:34,311 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:25:34,311 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] [2024-10-14 23:25:34,329 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-14 23:25:34,511 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 23:25:34,512 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)] === [2024-10-14 23:25:34,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:25:34,514 INFO L85 PathProgramCache]: Analyzing trace with hash -2086066645, now seen corresponding path program 1 times [2024-10-14 23:25:34,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:25:34,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801566435] [2024-10-14 23:25:34,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:25:34,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:25:34,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:25:34,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-14 23:25:34,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:25:34,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-14 23:25:34,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:25:34,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 23:25:34,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:25:34,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-14 23:25:34,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:25:34,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-14 23:25:34,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:25:34,988 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-14 23:25:34,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:25:34,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801566435] [2024-10-14 23:25:34,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801566435] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 23:25:34,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [988924739] [2024-10-14 23:25:34,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:25:34,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 23:25:34,989 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 23:25:34,991 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 23:25:34,992 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-14 23:25:35,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:25:35,362 INFO L255 TraceCheckSpWp]: Trace formula consists of 798 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-10-14 23:25:35,365 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 23:25:54,417 WARN L286 SmtUtils]: Spent 6.27s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)