./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_SFH_test6-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_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 7743788eb05cb3443d5449a0c3250a50955573eb924e62e5cc797e3ef82e3ba3 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 23:21:16,936 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 23:21:16,993 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-24 23:21:16,998 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 23:21:16,998 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 23:21:17,026 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 23:21:17,027 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 23:21:17,027 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 23:21:17,028 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 23:21:17,030 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 23:21:17,030 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 23:21:17,031 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 23:21:17,032 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 23:21:17,035 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 23:21:17,035 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 23:21:17,036 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 23:21:17,036 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 23:21:17,036 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 23:21:17,037 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 23:21:17,037 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 23:21:17,037 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 23:21:17,038 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 23:21:17,038 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 23:21:17,039 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 23:21:17,039 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 23:21:17,039 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-24 23:21:17,040 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 23:21:17,040 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 23:21:17,040 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 23:21:17,041 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 23:21:17,041 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 23:21:17,041 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 23:21:17,042 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 23:21:17,042 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 23:21:17,042 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 23:21:17,043 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 23:21:17,043 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 23:21:17,043 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 23:21:17,044 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 23:21:17,044 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 23:21:17,044 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 23:21:17,045 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 23:21:17,045 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 23:21:17,045 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 23:21:17,045 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7743788eb05cb3443d5449a0c3250a50955573eb924e62e5cc797e3ef82e3ba3 [2024-10-24 23:21:17,333 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 23:21:17,359 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 23:21:17,363 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 23:21:17,364 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 23:21:17,365 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 23:21:17,366 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test6-1.i [2024-10-24 23:21:18,795 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 23:21:19,121 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 23:21:19,122 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test6-1.i [2024-10-24 23:21:19,151 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fff82d03/4ae1b839d57b4f1fa22c640d97c1c3fd/FLAG3af53fb93 [2024-10-24 23:21:19,381 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fff82d03/4ae1b839d57b4f1fa22c640d97c1c3fd [2024-10-24 23:21:19,383 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 23:21:19,384 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 23:21:19,385 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 23:21:19,385 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 23:21:19,392 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 23:21:19,393 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:21:19" (1/1) ... [2024-10-24 23:21:19,396 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42229176 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:21:19, skipping insertion in model container [2024-10-24 23:21:19,396 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:21:19" (1/1) ... [2024-10-24 23:21:19,454 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 23:21:20,059 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 23:21:20,072 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 23:21:20,162 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 23:21:20,230 INFO L204 MainTranslator]: Completed translation [2024-10-24 23:21:20,231 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:21:20 WrapperNode [2024-10-24 23:21:20,231 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 23:21:20,232 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 23:21:20,233 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 23:21:20,233 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 23:21:20,240 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:21:20" (1/1) ... [2024-10-24 23:21:20,275 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:21:20" (1/1) ... [2024-10-24 23:21:20,344 INFO L138 Inliner]: procedures = 282, calls = 290, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 1478 [2024-10-24 23:21:20,345 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 23:21:20,346 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 23:21:20,346 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 23:21:20,346 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 23:21:20,357 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:21:20" (1/1) ... [2024-10-24 23:21:20,358 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:21:20" (1/1) ... [2024-10-24 23:21:20,369 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:21:20" (1/1) ... [2024-10-24 23:21:20,489 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]. [2024-10-24 23:21:20,490 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:21:20" (1/1) ... [2024-10-24 23:21:20,490 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:21:20" (1/1) ... [2024-10-24 23:21:20,558 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:21:20" (1/1) ... [2024-10-24 23:21:20,604 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:21:20" (1/1) ... [2024-10-24 23:21:20,618 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:21:20" (1/1) ... [2024-10-24 23:21:20,634 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:21:20" (1/1) ... [2024-10-24 23:21:20,649 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 23:21:20,650 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 23:21:20,651 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 23:21:20,651 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 23:21:20,651 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:21:20" (1/1) ... [2024-10-24 23:21:20,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 23:21:20,668 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:21:20,687 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 23:21:20,690 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 23:21:20,735 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-10-24 23:21:20,736 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-10-24 23:21:20,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-24 23:21:20,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-24 23:21:20,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-24 23:21:20,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-24 23:21:20,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-24 23:21:20,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-24 23:21:20,738 INFO L130 BoogieDeclarations]: Found specification of procedure alt_bzero [2024-10-24 23:21:20,738 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_bzero [2024-10-24 23:21:20,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-24 23:21:20,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-24 23:21:20,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-24 23:21:20,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-24 23:21:20,739 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-24 23:21:20,739 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-24 23:21:20,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-24 23:21:20,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-24 23:21:20,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-24 23:21:20,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-24 23:21:20,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-24 23:21:20,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 23:21:20,740 INFO L130 BoogieDeclarations]: Found specification of procedure alt_malloc [2024-10-24 23:21:20,740 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_malloc [2024-10-24 23:21:20,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-24 23:21:20,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-24 23:21:20,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-24 23:21:20,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-24 23:21:20,741 INFO L130 BoogieDeclarations]: Found specification of procedure alt_free [2024-10-24 23:21:20,742 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_free [2024-10-24 23:21:20,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 23:21:20,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-24 23:21:20,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-24 23:21:20,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-24 23:21:20,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 23:21:20,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 23:21:20,965 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 23:21:20,967 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 23:21:22,365 INFO L? ?]: Removed 345 outVars from TransFormulas that were not future-live. [2024-10-24 23:21:22,365 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 23:21:22,423 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 23:21:22,425 INFO L314 CfgBuilder]: Removed 63 assume(true) statements. [2024-10-24 23:21:22,425 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:21:22 BoogieIcfgContainer [2024-10-24 23:21:22,425 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 23:21:22,428 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 23:21:22,428 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 23:21:22,431 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 23:21:22,431 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:21:19" (1/3) ... [2024-10-24 23:21:22,432 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64a2af18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:21:22, skipping insertion in model container [2024-10-24 23:21:22,432 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:21:20" (2/3) ... [2024-10-24 23:21:22,432 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64a2af18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:21:22, skipping insertion in model container [2024-10-24 23:21:22,433 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:21:22" (3/3) ... [2024-10-24 23:21:22,434 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test6-1.i [2024-10-24 23:21:22,450 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 23:21:22,451 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2024-10-24 23:21:22,533 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 23:21:22,540 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;@477799ae, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 23:21:22,540 INFO L334 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2024-10-24 23:21:22,545 INFO L276 IsEmpty]: Start isEmpty. Operand has 452 states, 415 states have (on average 1.621686746987952) internal successors, (673), 432 states have internal predecessors, (673), 18 states have call successors, (18), 5 states have call predecessors, (18), 5 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-10-24 23:21:22,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-24 23:21:22,551 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:21:22,552 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-24 23:21:22,553 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-24 23:21:22,558 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:21:22,558 INFO L85 PathProgramCache]: Analyzing trace with hash 608439599, now seen corresponding path program 1 times [2024-10-24 23:21:22,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:21:22,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304640691] [2024-10-24 23:21:22,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:21:22,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:21:22,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:21:22,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:21:22,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:21:22,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304640691] [2024-10-24 23:21:22,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [304640691] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:21:22,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:21:22,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 23:21:22,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088025732] [2024-10-24 23:21:22,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:21:22,797 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 23:21:22,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:21:22,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 23:21:22,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 23:21:22,828 INFO L87 Difference]: Start difference. First operand has 452 states, 415 states have (on average 1.621686746987952) internal successors, (673), 432 states have internal predecessors, (673), 18 states have call successors, (18), 5 states have call predecessors, (18), 5 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:21:22,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:21:22,937 INFO L93 Difference]: Finished difference Result 898 states and 1422 transitions. [2024-10-24 23:21:22,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 23:21:22,940 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-10-24 23:21:22,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:21:22,956 INFO L225 Difference]: With dead ends: 898 [2024-10-24 23:21:22,957 INFO L226 Difference]: Without dead ends: 435 [2024-10-24 23:21:22,963 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 23:21:22,969 INFO L432 NwaCegarLoop]: 623 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 623 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 23:21:22,970 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 623 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 23:21:22,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2024-10-24 23:21:23,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 435. [2024-10-24 23:21:23,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 435 states, 407 states have (on average 1.457002457002457) internal successors, (593), 421 states have internal predecessors, (593), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-24 23:21:23,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 613 transitions. [2024-10-24 23:21:23,045 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 613 transitions. Word has length 6 [2024-10-24 23:21:23,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:21:23,046 INFO L471 AbstractCegarLoop]: Abstraction has 435 states and 613 transitions. [2024-10-24 23:21:23,047 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:21:23,047 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 613 transitions. [2024-10-24 23:21:23,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-24 23:21:23,047 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:21:23,047 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-24 23:21:23,048 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 23:21:23,048 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-24 23:21:23,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:21:23,049 INFO L85 PathProgramCache]: Analyzing trace with hash 608441521, now seen corresponding path program 1 times [2024-10-24 23:21:23,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:21:23,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216879467] [2024-10-24 23:21:23,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:21:23,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:21:23,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 23:21:23,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [511948570] [2024-10-24 23:21:23,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:21:23,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 23:21:23,092 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:21:23,094 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 23:21:23,096 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-24 23:21:23,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:21:23,273 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-24 23:21:23,279 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 23:21:23,327 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-10-24 23:21:23,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:21:23,378 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 23:21:23,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:21:23,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216879467] [2024-10-24 23:21:23,379 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 23:21:23,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [511948570] [2024-10-24 23:21:23,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [511948570] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:21:23,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:21:23,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 23:21:23,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152565584] [2024-10-24 23:21:23,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:21:23,383 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 23:21:23,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:21:23,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 23:21:23,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 23:21:23,384 INFO L87 Difference]: Start difference. First operand 435 states and 613 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:21:23,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:21:23,567 INFO L93 Difference]: Finished difference Result 841 states and 1198 transitions. [2024-10-24 23:21:23,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 23:21:23,568 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-10-24 23:21:23,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:21:23,572 INFO L225 Difference]: With dead ends: 841 [2024-10-24 23:21:23,572 INFO L226 Difference]: Without dead ends: 839 [2024-10-24 23:21:23,573 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 23:21:23,574 INFO L432 NwaCegarLoop]: 632 mSDtfsCounter, 560 mSDsluCounter, 1207 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 569 SdHoareTripleChecker+Valid, 1839 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 23:21:23,574 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [569 Valid, 1839 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 23:21:23,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 839 states. [2024-10-24 23:21:23,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 839 to 441. [2024-10-24 23:21:23,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 413 states have (on average 1.4527845036319613) internal successors, (600), 427 states have internal predecessors, (600), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-24 23:21:23,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 620 transitions. [2024-10-24 23:21:23,597 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 620 transitions. Word has length 6 [2024-10-24 23:21:23,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:21:23,598 INFO L471 AbstractCegarLoop]: Abstraction has 441 states and 620 transitions. [2024-10-24 23:21:23,598 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:21:23,598 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 620 transitions. [2024-10-24 23:21:23,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-10-24 23:21:23,601 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:21:23,601 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:21:23,619 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-24 23:21:23,802 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 23:21:23,803 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-24 23:21:23,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:21:23,803 INFO L85 PathProgramCache]: Analyzing trace with hash 2006626720, now seen corresponding path program 1 times [2024-10-24 23:21:23,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:21:23,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548507310] [2024-10-24 23:21:23,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:21:23,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:21:23,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:21:24,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:21:24,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:21:24,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548507310] [2024-10-24 23:21:24,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548507310] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:21:24,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:21:24,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 23:21:24,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529042284] [2024-10-24 23:21:24,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:21:24,196 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 23:21:24,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:21:24,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 23:21:24,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 23:21:24,197 INFO L87 Difference]: Start difference. First operand 441 states and 620 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:21:24,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:21:24,301 INFO L93 Difference]: Finished difference Result 878 states and 1235 transitions. [2024-10-24 23:21:24,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 23:21:24,302 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2024-10-24 23:21:24,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:21:24,304 INFO L225 Difference]: With dead ends: 878 [2024-10-24 23:21:24,306 INFO L226 Difference]: Without dead ends: 444 [2024-10-24 23:21:24,307 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 [2024-10-24 23:21:24,308 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 [2024-10-24 23:21:24,309 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] [2024-10-24 23:21:24,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2024-10-24 23:21:24,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 441. [2024-10-24 23:21:24,327 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) [2024-10-24 23:21:24,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 613 transitions. [2024-10-24 23:21:24,329 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 613 transitions. Word has length 62 [2024-10-24 23:21:24,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:21:24,329 INFO L471 AbstractCegarLoop]: Abstraction has 441 states and 613 transitions. [2024-10-24 23:21:24,329 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:21:24,330 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 613 transitions. [2024-10-24 23:21:24,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-10-24 23:21:24,332 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:21:24,332 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:21:24,332 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 23:21:24,333 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-24 23:21:24,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:21:24,333 INFO L85 PathProgramCache]: Analyzing trace with hash 942426772, now seen corresponding path program 1 times [2024-10-24 23:21:24,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:21:24,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500051838] [2024-10-24 23:21:24,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:21:24,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:21:24,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:21:24,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:21:24,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:21:24,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500051838] [2024-10-24 23:21:24,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500051838] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:21:24,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:21:24,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 23:21:24,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515448485] [2024-10-24 23:21:24,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:21:24,595 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 23:21:24,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:21:24,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 23:21:24,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 23:21:24,597 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) [2024-10-24 23:21:24,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:21:24,698 INFO L93 Difference]: Finished difference Result 857 states and 1202 transitions. [2024-10-24 23:21:24,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 23:21:24,699 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2024-10-24 23:21:24,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:21:24,704 INFO L225 Difference]: With dead ends: 857 [2024-10-24 23:21:24,704 INFO L226 Difference]: Without dead ends: 855 [2024-10-24 23:21:24,705 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 23:21:24,706 INFO L432 NwaCegarLoop]: 590 mSDtfsCounter, 530 mSDsluCounter, 1175 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 23:21:24,706 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [530 Valid, 1765 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 23:21:24,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 855 states. [2024-10-24 23:21:24,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 855 to 843. [2024-10-24 23:21:24,725 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) [2024-10-24 23:21:24,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 843 states to 843 states and 1198 transitions. [2024-10-24 23:21:24,729 INFO L78 Accepts]: Start accepts. Automaton has 843 states and 1198 transitions. Word has length 62 [2024-10-24 23:21:24,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:21:24,729 INFO L471 AbstractCegarLoop]: Abstraction has 843 states and 1198 transitions. [2024-10-24 23:21:24,730 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:21:24,730 INFO L276 IsEmpty]: Start isEmpty. Operand 843 states and 1198 transitions. [2024-10-24 23:21:24,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-10-24 23:21:24,732 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:21:24,732 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:21:24,732 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 23:21:24,733 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-24 23:21:24,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:21:24,733 INFO L85 PathProgramCache]: Analyzing trace with hash -849541099, now seen corresponding path program 1 times [2024-10-24 23:21:24,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:21:24,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597476532] [2024-10-24 23:21:24,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:21:24,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:21:24,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:21:24,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:21:24,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:21:24,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597476532] [2024-10-24 23:21:24,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1597476532] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:21:24,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:21:24,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 23:21:24,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537386173] [2024-10-24 23:21:24,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:21:24,955 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 23:21:24,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:21:24,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 23:21:24,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 23:21:24,956 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) [2024-10-24 23:21:25,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:21:25,039 INFO L93 Difference]: Finished difference Result 1404 states and 2004 transitions. [2024-10-24 23:21:25,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 23:21:25,040 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2024-10-24 23:21:25,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:21:25,047 INFO L225 Difference]: With dead ends: 1404 [2024-10-24 23:21:25,048 INFO L226 Difference]: Without dead ends: 1402 [2024-10-24 23:21:25,049 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 23:21:25,049 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 [2024-10-24 23:21:25,050 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] [2024-10-24 23:21:25,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1402 states. [2024-10-24 23:21:25,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1402 to 1394. [2024-10-24 23:21:25,078 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) [2024-10-24 23:21:25,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1394 states to 1394 states and 2002 transitions. [2024-10-24 23:21:25,084 INFO L78 Accepts]: Start accepts. Automaton has 1394 states and 2002 transitions. Word has length 63 [2024-10-24 23:21:25,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:21:25,084 INFO L471 AbstractCegarLoop]: Abstraction has 1394 states and 2002 transitions. [2024-10-24 23:21:25,084 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:21:25,085 INFO L276 IsEmpty]: Start isEmpty. Operand 1394 states and 2002 transitions. [2024-10-24 23:21:25,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-10-24 23:21:25,087 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:21:25,087 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:21:25,087 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 23:21:25,087 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting alt_bzeroErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-24 23:21:25,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:21:25,088 INFO L85 PathProgramCache]: Analyzing trace with hash -2121850464, now seen corresponding path program 1 times [2024-10-24 23:21:25,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:21:25,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408720657] [2024-10-24 23:21:25,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:21:25,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:21:25,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:21:25,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 23:21:25,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:21:25,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:21:25,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:21:25,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408720657] [2024-10-24 23:21:25,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408720657] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:21:25,303 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:21:25,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 23:21:25,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188332556] [2024-10-24 23:21:25,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:21:25,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 23:21:25,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:21:25,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 23:21:25,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 23:21:25,307 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) [2024-10-24 23:21:25,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:21:25,491 INFO L93 Difference]: Finished difference Result 1422 states and 2023 transitions. [2024-10-24 23:21:25,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 23:21:25,492 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 71 [2024-10-24 23:21:25,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:21:25,498 INFO L225 Difference]: With dead ends: 1422 [2024-10-24 23:21:25,499 INFO L226 Difference]: Without dead ends: 1420 [2024-10-24 23:21:25,499 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 23:21:25,500 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 [2024-10-24 23:21:25,501 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] [2024-10-24 23:21:25,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1420 states. [2024-10-24 23:21:25,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1420 to 1411. [2024-10-24 23:21:25,543 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) [2024-10-24 23:21:25,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1411 states to 1411 states and 2021 transitions. [2024-10-24 23:21:25,549 INFO L78 Accepts]: Start accepts. Automaton has 1411 states and 2021 transitions. Word has length 71 [2024-10-24 23:21:25,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:21:25,550 INFO L471 AbstractCegarLoop]: Abstraction has 1411 states and 2021 transitions. [2024-10-24 23:21:25,550 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 23:21:25,551 INFO L276 IsEmpty]: Start isEmpty. Operand 1411 states and 2021 transitions. [2024-10-24 23:21:25,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-10-24 23:21:25,552 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:21:25,552 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:21:25,553 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 23:21:25,553 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-24 23:21:25,553 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:21:25,554 INFO L85 PathProgramCache]: Analyzing trace with hash -1041853275, now seen corresponding path program 1 times [2024-10-24 23:21:25,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:21:25,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146157579] [2024-10-24 23:21:25,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:21:25,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:21:25,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:21:25,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:21:25,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:21:25,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146157579] [2024-10-24 23:21:25,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146157579] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:21:25,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:21:25,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 23:21:25,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814330547] [2024-10-24 23:21:25,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:21:25,757 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 23:21:25,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:21:25,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 23:21:25,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 23:21:25,758 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) [2024-10-24 23:21:25,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:21:25,920 INFO L93 Difference]: Finished difference Result 2623 states and 3774 transitions. [2024-10-24 23:21:25,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 23:21:25,920 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2024-10-24 23:21:25,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:21:25,930 INFO L225 Difference]: With dead ends: 2623 [2024-10-24 23:21:25,931 INFO L226 Difference]: Without dead ends: 2230 [2024-10-24 23:21:25,932 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 23:21:25,933 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 [2024-10-24 23:21:25,934 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] [2024-10-24 23:21:25,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2230 states. [2024-10-24 23:21:25,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2230 to 1411. [2024-10-24 23:21:25,998 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) [2024-10-24 23:21:26,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1411 states to 1411 states and 2020 transitions. [2024-10-24 23:21:26,003 INFO L78 Accepts]: Start accepts. Automaton has 1411 states and 2020 transitions. Word has length 69 [2024-10-24 23:21:26,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:21:26,004 INFO L471 AbstractCegarLoop]: Abstraction has 1411 states and 2020 transitions. [2024-10-24 23:21:26,004 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:21:26,004 INFO L276 IsEmpty]: Start isEmpty. Operand 1411 states and 2020 transitions. [2024-10-24 23:21:26,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-10-24 23:21:26,005 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:21:26,005 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:21:26,005 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 23:21:26,005 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-24 23:21:26,006 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:21:26,006 INFO L85 PathProgramCache]: Analyzing trace with hash 760083501, now seen corresponding path program 1 times [2024-10-24 23:21:26,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:21:26,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858076788] [2024-10-24 23:21:26,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:21:26,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:21:26,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:21:26,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 23:21:26,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:21:26,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 23:21:26,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:21:26,374 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:21:26,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:21:26,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858076788] [2024-10-24 23:21:26,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858076788] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 23:21:26,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [210143482] [2024-10-24 23:21:26,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:21:26,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 23:21:26,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:21:26,381 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 23:21:26,383 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-24 23:21:26,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:21:26,637 INFO L255 TraceCheckSpWp]: Trace formula consists of 479 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-24 23:21:26,641 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 23:21:26,785 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:21:26,786 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 23:21:27,044 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:21:27,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [210143482] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 23:21:27,045 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 23:21:27,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 7] total 16 [2024-10-24 23:21:27,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583059518] [2024-10-24 23:21:27,045 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 23:21:27,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-24 23:21:27,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:21:27,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-24 23:21:27,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2024-10-24 23:21:27,047 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) [2024-10-24 23:21:28,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:21:28,663 INFO L93 Difference]: Finished difference Result 3902 states and 5586 transitions. [2024-10-24 23:21:28,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-10-24 23:21:28,664 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 9.5) internal successors, (152), 13 states have internal predecessors, (152), 4 states have call successors, (8), 7 states have call predecessors, (8), 4 states have return successors, (5), 2 states have call predecessors, (5), 4 states have call successors, (5) Word has length 79 [2024-10-24 23:21:28,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:21:28,678 INFO L225 Difference]: With dead ends: 3902 [2024-10-24 23:21:28,678 INFO L226 Difference]: Without dead ends: 3900 [2024-10-24 23:21:28,680 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 333 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=430, Invalid=1130, Unknown=0, NotChecked=0, Total=1560 [2024-10-24 23:21:28,681 INFO L432 NwaCegarLoop]: 655 mSDtfsCounter, 2935 mSDsluCounter, 8293 mSDsCounter, 0 mSdLazyCounter, 660 mSolverCounterSat, 176 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s 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, 0.8s IncrementalHoareTripleChecker+Time [2024-10-24 23:21:28,681 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2945 Valid, 8948 Invalid, 836 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [176 Valid, 660 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-24 23:21:28,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3900 states. [2024-10-24 23:21:28,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3900 to 3422. [2024-10-24 23:21:28,759 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) [2024-10-24 23:21:28,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3422 states to 3422 states and 4934 transitions. [2024-10-24 23:21:28,771 INFO L78 Accepts]: Start accepts. Automaton has 3422 states and 4934 transitions. Word has length 79 [2024-10-24 23:21:28,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:21:28,772 INFO L471 AbstractCegarLoop]: Abstraction has 3422 states and 4934 transitions. [2024-10-24 23:21:28,772 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 9.5) internal successors, (152), 13 states have internal predecessors, (152), 4 states have call successors, (8), 7 states have call predecessors, (8), 4 states have return successors, (5), 2 states have call predecessors, (5), 4 states have call successors, (5) [2024-10-24 23:21:28,772 INFO L276 IsEmpty]: Start isEmpty. Operand 3422 states and 4934 transitions. [2024-10-24 23:21:28,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-10-24 23:21:28,773 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:21:28,774 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:21:28,793 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-24 23:21:28,977 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-10-24 23:21:28,978 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-24 23:21:28,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:21:28,979 INFO L85 PathProgramCache]: Analyzing trace with hash -1771772127, now seen corresponding path program 1 times [2024-10-24 23:21:28,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:21:28,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412528377] [2024-10-24 23:21:28,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:21:28,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:21:29,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:21:29,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:21:29,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:21:29,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412528377] [2024-10-24 23:21:29,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [412528377] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:21:29,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:21:29,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 23:21:29,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101642279] [2024-10-24 23:21:29,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:21:29,090 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 23:21:29,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:21:29,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 23:21:29,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 23:21:29,091 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) [2024-10-24 23:21:29,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:21:29,315 INFO L93 Difference]: Finished difference Result 7400 states and 10707 transitions. [2024-10-24 23:21:29,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 23:21:29,316 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 2 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2024-10-24 23:21:29,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:21:29,333 INFO L225 Difference]: With dead ends: 7400 [2024-10-24 23:21:29,334 INFO L226 Difference]: Without dead ends: 3985 [2024-10-24 23:21:29,340 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 23:21:29,341 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 [2024-10-24 23:21:29,341 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] [2024-10-24 23:21:29,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3985 states. [2024-10-24 23:21:29,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3985 to 3968. [2024-10-24 23:21:29,460 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) [2024-10-24 23:21:29,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3968 states to 3968 states and 5752 transitions. [2024-10-24 23:21:29,473 INFO L78 Accepts]: Start accepts. Automaton has 3968 states and 5752 transitions. Word has length 80 [2024-10-24 23:21:29,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:21:29,473 INFO L471 AbstractCegarLoop]: Abstraction has 3968 states and 5752 transitions. [2024-10-24 23:21:29,474 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 2 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:21:29,474 INFO L276 IsEmpty]: Start isEmpty. Operand 3968 states and 5752 transitions. [2024-10-24 23:21:29,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-10-24 23:21:29,475 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:21:29,475 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:21:29,475 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-24 23:21:29,475 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting alt_bzeroErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-24 23:21:29,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:21:29,475 INFO L85 PathProgramCache]: Analyzing trace with hash -175259048, now seen corresponding path program 1 times [2024-10-24 23:21:29,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:21:29,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942511134] [2024-10-24 23:21:29,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:21:29,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:21:29,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:21:29,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 23:21:29,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:21:29,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 23:21:29,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:21:29,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-24 23:21:29,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:21:29,829 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-24 23:21:29,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:21:29,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942511134] [2024-10-24 23:21:29,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942511134] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 23:21:29,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1647611713] [2024-10-24 23:21:29,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:21:29,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 23:21:29,831 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:21:29,832 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 23:21:29,851 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-24 23:21:30,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:21:30,148 INFO L255 TraceCheckSpWp]: Trace formula consists of 572 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-24 23:21:30,153 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 23:21:30,203 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:21:30,204 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 23:21:30,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1647611713] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:21:30,204 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 23:21:30,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2024-10-24 23:21:30,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457527290] [2024-10-24 23:21:30,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:21:30,205 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 23:21:30,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:21:30,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 23:21:30,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-10-24 23:21:30,206 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) [2024-10-24 23:21:30,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:21:30,282 INFO L93 Difference]: Finished difference Result 3968 states and 5752 transitions. [2024-10-24 23:21:30,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 23:21:30,283 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 [2024-10-24 23:21:30,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:21:30,299 INFO L225 Difference]: With dead ends: 3968 [2024-10-24 23:21:30,299 INFO L226 Difference]: Without dead ends: 3967 [2024-10-24 23:21:30,302 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-10-24 23:21:30,302 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 [2024-10-24 23:21:30,304 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] [2024-10-24 23:21:30,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3967 states. [2024-10-24 23:21:30,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3967 to 3967. [2024-10-24 23:21:30,415 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) [2024-10-24 23:21:30,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3967 states to 3967 states and 5744 transitions. [2024-10-24 23:21:30,428 INFO L78 Accepts]: Start accepts. Automaton has 3967 states and 5744 transitions. Word has length 87 [2024-10-24 23:21:30,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:21:30,428 INFO L471 AbstractCegarLoop]: Abstraction has 3967 states and 5744 transitions. [2024-10-24 23:21:30,428 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 26.666666666666668) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-24 23:21:30,429 INFO L276 IsEmpty]: Start isEmpty. Operand 3967 states and 5744 transitions. [2024-10-24 23:21:30,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-10-24 23:21:30,429 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:21:30,429 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:21:30,449 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-24 23:21:30,633 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 23:21:30,634 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting alt_bzeroErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-24 23:21:30,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:21:30,635 INFO L85 PathProgramCache]: Analyzing trace with hash -1138063123, now seen corresponding path program 1 times [2024-10-24 23:21:30,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:21:30,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168846348] [2024-10-24 23:21:30,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:21:30,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:21:30,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:21:31,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 23:21:31,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:21:31,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 23:21:31,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:21:31,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-24 23:21:31,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:21:31,087 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-24 23:21:31,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:21:31,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168846348] [2024-10-24 23:21:31,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168846348] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 23:21:31,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1699544061] [2024-10-24 23:21:31,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:21:31,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 23:21:31,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:21:31,089 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 23:21:31,091 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-24 23:21:31,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:21:31,390 INFO L255 TraceCheckSpWp]: Trace formula consists of 573 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-24 23:21:31,394 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 23:21:31,533 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:21:31,534 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 23:21:31,719 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-24 23:21:31,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1699544061] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 23:21:31,719 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 23:21:31,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4, 5] total 13 [2024-10-24 23:21:31,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927111925] [2024-10-24 23:21:31,720 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 23:21:31,720 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-24 23:21:31,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:21:31,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-24 23:21:31,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2024-10-24 23:21:31,722 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) [2024-10-24 23:21:32,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:21:32,617 INFO L93 Difference]: Finished difference Result 7233 states and 10445 transitions. [2024-10-24 23:21:32,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-24 23:21:32,618 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 17.076923076923077) internal successors, (222), 12 states have internal predecessors, (222), 5 states have call successors, (11), 8 states have call predecessors, (11), 5 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) Word has length 88 [2024-10-24 23:21:32,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:21:32,653 INFO L225 Difference]: With dead ends: 7233 [2024-10-24 23:21:32,654 INFO L226 Difference]: Without dead ends: 7232 [2024-10-24 23:21:32,661 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 180 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=231, Invalid=471, Unknown=0, NotChecked=0, Total=702 [2024-10-24 23:21:32,662 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, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 23:21:32,662 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3752 Valid, 4475 Invalid, 480 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [195 Valid, 285 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 23:21:32,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7232 states. [2024-10-24 23:21:32,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7232 to 6501. [2024-10-24 23:21:32,833 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) [2024-10-24 23:21:32,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6501 states to 6501 states and 9382 transitions. [2024-10-24 23:21:32,852 INFO L78 Accepts]: Start accepts. Automaton has 6501 states and 9382 transitions. Word has length 88 [2024-10-24 23:21:32,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:21:32,852 INFO L471 AbstractCegarLoop]: Abstraction has 6501 states and 9382 transitions. [2024-10-24 23:21:32,852 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 17.076923076923077) internal successors, (222), 12 states have internal predecessors, (222), 5 states have call successors, (11), 8 states have call predecessors, (11), 5 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2024-10-24 23:21:32,852 INFO L276 IsEmpty]: Start isEmpty. Operand 6501 states and 9382 transitions. [2024-10-24 23:21:32,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-10-24 23:21:32,854 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:21:32,854 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:21:32,872 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-24 23:21:33,054 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 23:21:33,055 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-24 23:21:33,055 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:21:33,055 INFO L85 PathProgramCache]: Analyzing trace with hash 55893321, now seen corresponding path program 1 times [2024-10-24 23:21:33,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:21:33,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721465527] [2024-10-24 23:21:33,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:21:33,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:21:33,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:21:33,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 23:21:33,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:21:33,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 23:21:33,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:21:33,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-24 23:21:33,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:21:33,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 23:21:33,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:21:33,526 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-24 23:21:33,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:21:33,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721465527] [2024-10-24 23:21:33,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1721465527] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:21:33,527 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:21:33,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 23:21:33,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860935060] [2024-10-24 23:21:33,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:21:33,529 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 23:21:33,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:21:33,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 23:21:33,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-24 23:21:33,530 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) [2024-10-24 23:21:34,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:21:34,225 INFO L93 Difference]: Finished difference Result 8688 states and 12550 transitions. [2024-10-24 23:21:34,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 23:21:34,226 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 112 [2024-10-24 23:21:34,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:21:34,256 INFO L225 Difference]: With dead ends: 8688 [2024-10-24 23:21:34,256 INFO L226 Difference]: Without dead ends: 8686 [2024-10-24 23:21:34,259 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-24 23:21:34,260 INFO L432 NwaCegarLoop]: 553 mSDtfsCounter, 506 mSDsluCounter, 2080 mSDsCounter, 0 mSdLazyCounter, 331 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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 [2024-10-24 23:21:34,260 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] [2024-10-24 23:21:34,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8686 states. [2024-10-24 23:21:34,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8686 to 6669. [2024-10-24 23:21:34,460 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) [2024-10-24 23:21:34,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6669 states to 6669 states and 9601 transitions. [2024-10-24 23:21:34,487 INFO L78 Accepts]: Start accepts. Automaton has 6669 states and 9601 transitions. Word has length 112 [2024-10-24 23:21:34,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:21:34,487 INFO L471 AbstractCegarLoop]: Abstraction has 6669 states and 9601 transitions. [2024-10-24 23:21:34,488 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-24 23:21:34,488 INFO L276 IsEmpty]: Start isEmpty. Operand 6669 states and 9601 transitions. [2024-10-24 23:21:34,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-10-24 23:21:34,490 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:21:34,490 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:21:34,490 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-24 23:21:34,490 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-24 23:21:34,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:21:34,491 INFO L85 PathProgramCache]: Analyzing trace with hash -1406251627, now seen corresponding path program 1 times [2024-10-24 23:21:34,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:21:34,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476611667] [2024-10-24 23:21:34,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:21:34,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:21:34,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:21:34,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 23:21:34,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:21:34,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 23:21:34,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:21:34,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-24 23:21:34,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:21:34,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 23:21:34,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:21:34,910 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-24 23:21:34,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:21:34,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476611667] [2024-10-24 23:21:34,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476611667] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 23:21:34,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [976932732] [2024-10-24 23:21:34,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:21:34,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 23:21:34,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:21:34,913 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 23:21:34,914 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-24 23:21:35,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:21:35,268 INFO L255 TraceCheckSpWp]: Trace formula consists of 757 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-24 23:21:35,272 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 23:21:35,394 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-24 23:21:35,395 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 23:21:35,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [976932732] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:21:35,395 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 23:21:35,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 12 [2024-10-24 23:21:35,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103653946] [2024-10-24 23:21:35,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:21:35,396 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 23:21:35,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:21:35,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 23:21:35,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-10-24 23:21:35,397 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) [2024-10-24 23:21:35,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:21:35,672 INFO L93 Difference]: Finished difference Result 12515 states and 18057 transitions. [2024-10-24 23:21:35,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 23:21:35,673 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 5 states have internal predecessors, (106), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 118 [2024-10-24 23:21:35,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:21:35,689 INFO L225 Difference]: With dead ends: 12515 [2024-10-24 23:21:35,690 INFO L226 Difference]: Without dead ends: 6237 [2024-10-24 23:21:35,701 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2024-10-24 23:21:35,701 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 [2024-10-24 23:21:35,702 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] [2024-10-24 23:21:35,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6237 states. [2024-10-24 23:21:35,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6237 to 6237. [2024-10-24 23:21:35,889 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) [2024-10-24 23:21:35,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6237 states to 6237 states and 8997 transitions. [2024-10-24 23:21:35,905 INFO L78 Accepts]: Start accepts. Automaton has 6237 states and 8997 transitions. Word has length 118 [2024-10-24 23:21:35,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:21:35,906 INFO L471 AbstractCegarLoop]: Abstraction has 6237 states and 8997 transitions. [2024-10-24 23:21:35,906 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 5 states have internal predecessors, (106), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-24 23:21:35,906 INFO L276 IsEmpty]: Start isEmpty. Operand 6237 states and 8997 transitions. [2024-10-24 23:21:35,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-10-24 23:21:35,907 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:21:35,907 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:21:35,926 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-24 23:21:36,108 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-10-24 23:21:36,108 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-24 23:21:36,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:21:36,109 INFO L85 PathProgramCache]: Analyzing trace with hash 1072127716, now seen corresponding path program 1 times [2024-10-24 23:21:36,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:21:36,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297561204] [2024-10-24 23:21:36,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:21:36,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:21:36,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:21:36,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 23:21:36,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:21:36,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-24 23:21:36,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:21:36,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 23:21:36,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:21:36,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 23:21:36,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:21:36,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 23:21:36,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:21:36,571 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-24 23:21:36,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:21:36,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297561204] [2024-10-24 23:21:36,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1297561204] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 23:21:36,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1953034388] [2024-10-24 23:21:36,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:21:36,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 23:21:36,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:21:36,574 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 23:21:36,621 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-24 23:21:37,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:21:37,058 INFO L255 TraceCheckSpWp]: Trace formula consists of 767 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-10-24 23:21:37,065 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 23:21:37,078 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-10-24 23:21:37,102 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-10-24 23:21:37,122 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 [2024-10-24 23:21:37,948 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-24 23:21:37,948 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 23:21:37,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1953034388] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:21:37,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 23:21:37,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [7] total 16 [2024-10-24 23:21:37,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539861364] [2024-10-24 23:21:37,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:21:37,950 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-24 23:21:37,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:21:37,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-24 23:21:37,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2024-10-24 23:21:37,951 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) [2024-10-24 23:21:39,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:21:39,964 INFO L93 Difference]: Finished difference Result 14453 states and 20874 transitions. [2024-10-24 23:21:39,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 23:21:39,964 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.545454545454545) internal successors, (105), 10 states have internal predecessors, (105), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 123 [2024-10-24 23:21:39,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:21:39,984 INFO L225 Difference]: With dead ends: 14453 [2024-10-24 23:21:39,985 INFO L226 Difference]: Without dead ends: 8303 [2024-10-24 23:21:39,995 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=105, Invalid=447, Unknown=0, NotChecked=0, Total=552 [2024-10-24 23:21:39,995 INFO L432 NwaCegarLoop]: 575 mSDtfsCounter, 828 mSDsluCounter, 2739 mSDsCounter, 0 mSdLazyCounter, 1027 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s 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, 1.4s IncrementalHoareTripleChecker+Time [2024-10-24 23:21:39,996 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [835 Valid, 3314 Invalid, 1034 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1027 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-24 23:21:40,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8303 states. [2024-10-24 23:21:40,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8303 to 6263. [2024-10-24 23:21:40,168 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) [2024-10-24 23:21:40,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6263 states to 6263 states and 9028 transitions. [2024-10-24 23:21:40,186 INFO L78 Accepts]: Start accepts. Automaton has 6263 states and 9028 transitions. Word has length 123 [2024-10-24 23:21:40,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:21:40,187 INFO L471 AbstractCegarLoop]: Abstraction has 6263 states and 9028 transitions. [2024-10-24 23:21:40,187 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.545454545454545) internal successors, (105), 10 states have internal predecessors, (105), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-24 23:21:40,187 INFO L276 IsEmpty]: Start isEmpty. Operand 6263 states and 9028 transitions. [2024-10-24 23:21:40,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-10-24 23:21:40,188 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:21:40,189 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:21:40,209 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-24 23:21:40,393 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 23:21:40,394 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-24 23:21:40,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:21:40,395 INFO L85 PathProgramCache]: Analyzing trace with hash 1993915739, now seen corresponding path program 1 times [2024-10-24 23:21:40,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:21:40,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905054612] [2024-10-24 23:21:40,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:21:40,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:21:40,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:21:40,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-24 23:21:40,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:21:40,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-24 23:21:40,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:21:40,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 23:21:40,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:21:41,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 23:21:41,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:21:41,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 23:21:41,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:21:41,056 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-24 23:21:41,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:21:41,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905054612] [2024-10-24 23:21:41,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1905054612] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 23:21:41,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1044590848] [2024-10-24 23:21:41,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:21:41,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 23:21:41,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:21:41,066 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 23:21:41,074 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-24 23:21:41,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:21:41,505 INFO L255 TraceCheckSpWp]: Trace formula consists of 768 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-10-24 23:21:41,509 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 23:21:41,612 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:21:41,616 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 23:21:41,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1044590848] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:21:41,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 23:21:41,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [7] total 13 [2024-10-24 23:21:41,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437418098] [2024-10-24 23:21:41,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:21:41,618 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 23:21:41,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:21:41,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 23:21:41,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2024-10-24 23:21:41,619 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) [2024-10-24 23:21:41,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:21:41,876 INFO L93 Difference]: Finished difference Result 10262 states and 14795 transitions. [2024-10-24 23:21:41,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 23:21:41,877 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 [2024-10-24 23:21:41,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:21:41,888 INFO L225 Difference]: With dead ends: 10262 [2024-10-24 23:21:41,889 INFO L226 Difference]: Without dead ends: 4158 [2024-10-24 23:21:41,898 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 [2024-10-24 23:21:41,900 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 [2024-10-24 23:21:41,900 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] [2024-10-24 23:21:41,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4158 states. [2024-10-24 23:21:42,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4158 to 4156. [2024-10-24 23:21:42,012 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) [2024-10-24 23:21:42,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4156 states to 4156 states and 5948 transitions. [2024-10-24 23:21:42,025 INFO L78 Accepts]: Start accepts. Automaton has 4156 states and 5948 transitions. Word has length 124 [2024-10-24 23:21:42,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:21:42,025 INFO L471 AbstractCegarLoop]: Abstraction has 4156 states and 5948 transitions. [2024-10-24 23:21:42,025 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) [2024-10-24 23:21:42,026 INFO L276 IsEmpty]: Start isEmpty. Operand 4156 states and 5948 transitions. [2024-10-24 23:21:42,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-10-24 23:21:42,027 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:21:42,027 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] [2024-10-24 23:21:42,046 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-10-24 23:21:42,231 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 [2024-10-24 23:21:42,232 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)] === [2024-10-24 23:21:42,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:21:42,235 INFO L85 PathProgramCache]: Analyzing trace with hash -2086066645, now seen corresponding path program 1 times [2024-10-24 23:21:42,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:21:42,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282452755] [2024-10-24 23:21:42,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:21:42,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:21:42,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:21:42,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-24 23:21:42,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:21:42,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-24 23:21:42,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:21:42,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 23:21:42,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:21:42,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-24 23:21:42,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:21:42,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 23:21:42,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:21:42,822 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-24 23:21:42,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:21:42,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282452755] [2024-10-24 23:21:42,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282452755] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 23:21:42,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1345844954] [2024-10-24 23:21:42,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:21:42,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 23:21:42,823 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:21:42,825 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) [2024-10-24 23:21:42,826 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-24 23:21:43,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:21:43,268 INFO L255 TraceCheckSpWp]: Trace formula consists of 798 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-10-24 23:21:43,272 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 23:22:13,527 WARN L286 SmtUtils]: Spent 5.32s on a formula simplification that was a NOOP. DAG size: 30 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)