./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 803cd42f 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 ../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-2.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 bb48026e7f870ff561a4cdd394c24cb5edb1d0f2fc8e8ef2bffe0b7b8438fda4 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-23 01:34:09,236 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 01:34:09,306 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-23 01:34:09,318 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 01:34:09,320 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 01:34:09,342 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 01:34:09,344 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 01:34:09,344 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 01:34:09,345 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 01:34:09,345 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 01:34:09,346 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 01:34:09,346 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 01:34:09,347 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 01:34:09,347 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 01:34:09,349 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 01:34:09,349 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 01:34:09,349 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 01:34:09,349 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 01:34:09,350 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 01:34:09,350 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 01:34:09,350 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 01:34:09,352 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 01:34:09,353 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 01:34:09,353 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 01:34:09,353 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-23 01:34:09,353 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-23 01:34:09,353 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 01:34:09,354 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 01:34:09,354 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 01:34:09,354 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 01:34:09,354 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 01:34:09,354 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 01:34:09,355 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 01:34:09,355 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 01:34:09,355 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 01:34:09,355 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 01:34:09,355 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 01:34:09,355 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 01:34:09,356 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 01:34:09,356 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 01:34:09,356 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 01:34:09,357 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 01:34:09,357 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 01:34:09,357 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 01:34:09,358 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bb48026e7f870ff561a4cdd394c24cb5edb1d0f2fc8e8ef2bffe0b7b8438fda4 [2024-11-23 01:34:09,578 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 01:34:09,597 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 01:34:09,599 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 01:34:09,600 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 01:34:09,600 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 01:34:09,601 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-2.i [2024-11-23 01:34:10,824 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-23 01:34:11,092 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 01:34:11,092 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-2.i [2024-11-23 01:34:11,108 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5510b0ea/c9487c82385b474da3a9f6ebc69efa9f/FLAG6edfe2ba0 [2024-11-23 01:34:11,414 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5510b0ea/c9487c82385b474da3a9f6ebc69efa9f [2024-11-23 01:34:11,416 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 01:34:11,417 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 01:34:11,419 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 01:34:11,420 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 01:34:11,425 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 01:34:11,426 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:34:11" (1/1) ... [2024-11-23 01:34:11,428 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@196634b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:11, skipping insertion in model container [2024-11-23 01:34:11,428 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:34:11" (1/1) ... [2024-11-23 01:34:11,472 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 01:34:12,014 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 01:34:12,023 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 01:34:12,120 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 01:34:12,223 INFO L204 MainTranslator]: Completed translation [2024-11-23 01:34:12,223 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:12 WrapperNode [2024-11-23 01:34:12,223 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 01:34:12,224 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 01:34:12,224 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 01:34:12,224 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 01:34:12,230 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:12" (1/1) ... [2024-11-23 01:34:12,261 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:12" (1/1) ... [2024-11-23 01:34:12,319 INFO L138 Inliner]: procedures = 282, calls = 353, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 1657 [2024-11-23 01:34:12,319 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 01:34:12,320 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 01:34:12,320 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 01:34:12,320 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 01:34:12,328 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:12" (1/1) ... [2024-11-23 01:34:12,328 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:12" (1/1) ... [2024-11-23 01:34:12,346 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:12" (1/1) ... [2024-11-23 01:34:12,430 INFO L175 MemorySlicer]: Split 318 memory accesses to 4 slices as follows [2, 12, 270, 34]. 85 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 10, 0, 0]. The 62 writes are split as follows [0, 1, 57, 4]. [2024-11-23 01:34:12,431 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:12" (1/1) ... [2024-11-23 01:34:12,431 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:12" (1/1) ... [2024-11-23 01:34:12,465 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:12" (1/1) ... [2024-11-23 01:34:12,482 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:12" (1/1) ... [2024-11-23 01:34:12,489 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:12" (1/1) ... [2024-11-23 01:34:12,499 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:12" (1/1) ... [2024-11-23 01:34:12,510 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 01:34:12,511 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 01:34:12,511 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 01:34:12,511 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 01:34:12,512 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:12" (1/1) ... [2024-11-23 01:34:12,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 01:34:12,524 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 01:34:12,537 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 01:34:12,538 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 01:34:12,573 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-23 01:34:12,574 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-23 01:34:12,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-23 01:34:12,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-23 01:34:12,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-23 01:34:12,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-23 01:34:12,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-23 01:34:12,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-23 01:34:12,574 INFO L130 BoogieDeclarations]: Found specification of procedure alt_bzero [2024-11-23 01:34:12,574 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_bzero [2024-11-23 01:34:12,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-23 01:34:12,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-23 01:34:12,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-23 01:34:12,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-23 01:34:12,575 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-23 01:34:12,575 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-23 01:34:12,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-23 01:34:12,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-23 01:34:12,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-23 01:34:12,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-23 01:34:12,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-23 01:34:12,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 01:34:12,576 INFO L130 BoogieDeclarations]: Found specification of procedure alt_malloc [2024-11-23 01:34:12,576 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_malloc [2024-11-23 01:34:12,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-23 01:34:12,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-23 01:34:12,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-23 01:34:12,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-23 01:34:12,577 INFO L130 BoogieDeclarations]: Found specification of procedure alt_free [2024-11-23 01:34:12,577 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_free [2024-11-23 01:34:12,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 01:34:12,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-23 01:34:12,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-23 01:34:12,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-23 01:34:12,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 01:34:12,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 01:34:12,749 INFO L238 CfgBuilder]: Building ICFG [2024-11-23 01:34:12,750 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 01:34:13,848 INFO L? ?]: Removed 376 outVars from TransFormulas that were not future-live. [2024-11-23 01:34:13,850 INFO L287 CfgBuilder]: Performing block encoding [2024-11-23 01:34:13,864 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 01:34:13,865 INFO L316 CfgBuilder]: Removed 72 assume(true) statements. [2024-11-23 01:34:13,865 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:34:13 BoogieIcfgContainer [2024-11-23 01:34:13,865 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 01:34:13,870 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 01:34:13,870 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 01:34:13,873 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 01:34:13,873 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:34:11" (1/3) ... [2024-11-23 01:34:13,873 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7aee4195 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:34:13, skipping insertion in model container [2024-11-23 01:34:13,873 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:34:12" (2/3) ... [2024-11-23 01:34:13,874 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7aee4195 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:34:13, skipping insertion in model container [2024-11-23 01:34:13,874 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:34:13" (3/3) ... [2024-11-23 01:34:13,875 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test6-2.i [2024-11-23 01:34:13,886 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 01:34:13,886 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2024-11-23 01:34:13,937 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 01:34:13,942 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;@4fa78ff, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 01:34:13,942 INFO L334 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2024-11-23 01:34:13,946 INFO L276 IsEmpty]: Start isEmpty. Operand has 501 states, 462 states have (on average 1.606060606060606) internal successors, (742), 479 states have internal predecessors, (742), 20 states have call successors, (20), 5 states have call predecessors, (20), 5 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-23 01:34:13,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-23 01:34:13,950 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:34:13,951 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:34:13,951 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)] === [2024-11-23 01:34:13,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:34:13,954 INFO L85 PathProgramCache]: Analyzing trace with hash 1635847084, now seen corresponding path program 1 times [2024-11-23 01:34:13,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:34:13,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262294820] [2024-11-23 01:34:13,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:34:13,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:34:14,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:34:14,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:34:14,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:34:14,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262294820] [2024-11-23 01:34:14,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262294820] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:34:14,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:34:14,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 01:34:14,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461916559] [2024-11-23 01:34:14,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:34:14,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 01:34:14,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:34:14,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 01:34:14,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 01:34:14,118 INFO L87 Difference]: Start difference. First operand has 501 states, 462 states have (on average 1.606060606060606) internal successors, (742), 479 states have internal predecessors, (742), 20 states have call successors, (20), 5 states have call predecessors, (20), 5 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:34:14,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:34:14,184 INFO L93 Difference]: Finished difference Result 995 states and 1569 transitions. [2024-11-23 01:34:14,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 01:34:14,190 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-23 01:34:14,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:34:14,202 INFO L225 Difference]: With dead ends: 995 [2024-11-23 01:34:14,204 INFO L226 Difference]: Without dead ends: 487 [2024-11-23 01:34:14,210 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 01:34:14,213 INFO L432 NwaCegarLoop]: 695 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 695 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 01:34:14,215 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 695 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 01:34:14,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2024-11-23 01:34:14,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 487. [2024-11-23 01:34:14,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 487 states, 454 states have (on average 1.4383259911894273) internal successors, (653), 468 states have internal predecessors, (653), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-23 01:34:14,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 487 states and 683 transitions. [2024-11-23 01:34:14,263 INFO L78 Accepts]: Start accepts. Automaton has 487 states and 683 transitions. Word has length 8 [2024-11-23 01:34:14,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:34:14,263 INFO L471 AbstractCegarLoop]: Abstraction has 487 states and 683 transitions. [2024-11-23 01:34:14,263 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:34:14,264 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 683 transitions. [2024-11-23 01:34:14,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-23 01:34:14,264 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:34:14,264 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:34:14,264 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-23 01:34:14,265 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)] === [2024-11-23 01:34:14,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:34:14,265 INFO L85 PathProgramCache]: Analyzing trace with hash 1635849006, now seen corresponding path program 1 times [2024-11-23 01:34:14,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:34:14,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216072328] [2024-11-23 01:34:14,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:34:14,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:34:14,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-23 01:34:14,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1645246580] [2024-11-23 01:34:14,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:34:14,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 01:34:14,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 01:34:14,325 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 01:34:14,326 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-23 01:34:14,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:34:14,466 INFO L255 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-23 01:34:14,470 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 01:34:14,508 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-23 01:34:14,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:34:14,537 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 01:34:14,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:34:14,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216072328] [2024-11-23 01:34:14,538 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-23 01:34:14,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1645246580] [2024-11-23 01:34:14,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1645246580] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:34:14,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:34:14,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 01:34:14,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103808385] [2024-11-23 01:34:14,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:34:14,539 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 01:34:14,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:34:14,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 01:34:14,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 01:34:14,540 INFO L87 Difference]: Start difference. First operand 487 states and 683 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:34:14,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:34:14,669 INFO L93 Difference]: Finished difference Result 940 states and 1333 transitions. [2024-11-23 01:34:14,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 01:34:14,669 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-23 01:34:14,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:34:14,673 INFO L225 Difference]: With dead ends: 940 [2024-11-23 01:34:14,673 INFO L226 Difference]: Without dead ends: 938 [2024-11-23 01:34:14,673 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-23 01:34:14,674 INFO L432 NwaCegarLoop]: 659 mSDtfsCounter, 614 mSDsluCounter, 1302 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 628 SdHoareTripleChecker+Valid, 1961 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 01:34:14,674 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [628 Valid, 1961 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 01:34:14,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 938 states. [2024-11-23 01:34:14,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 938 to 494. [2024-11-23 01:34:14,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 494 states, 461 states have (on average 1.4338394793926248) internal successors, (661), 475 states have internal predecessors, (661), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-23 01:34:14,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 494 states and 691 transitions. [2024-11-23 01:34:14,704 INFO L78 Accepts]: Start accepts. Automaton has 494 states and 691 transitions. Word has length 8 [2024-11-23 01:34:14,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:34:14,704 INFO L471 AbstractCegarLoop]: Abstraction has 494 states and 691 transitions. [2024-11-23 01:34:14,704 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:34:14,704 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 691 transitions. [2024-11-23 01:34:14,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-23 01:34:14,706 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:34:14,706 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:34:14,713 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-23 01:34:14,906 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 01:34:14,907 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-23 01:34:14,907 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:34:14,907 INFO L85 PathProgramCache]: Analyzing trace with hash -1086501261, now seen corresponding path program 1 times [2024-11-23 01:34:14,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:34:14,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282993671] [2024-11-23 01:34:14,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:34:14,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:34:14,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:34:15,119 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-23 01:34:15,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:34:15,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282993671] [2024-11-23 01:34:15,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282993671] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:34:15,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:34:15,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 01:34:15,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755789895] [2024-11-23 01:34:15,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:34:15,121 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 01:34:15,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:34:15,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 01:34:15,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 01:34:15,122 INFO L87 Difference]: Start difference. First operand 494 states and 691 transitions. Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-23 01:34:15,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:34:15,239 INFO L93 Difference]: Finished difference Result 1192 states and 1688 transitions. [2024-11-23 01:34:15,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 01:34:15,240 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 34 [2024-11-23 01:34:15,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:34:15,243 INFO L225 Difference]: With dead ends: 1192 [2024-11-23 01:34:15,245 INFO L226 Difference]: Without dead ends: 937 [2024-11-23 01:34:15,245 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-23 01:34:15,247 INFO L432 NwaCegarLoop]: 672 mSDtfsCounter, 616 mSDsluCounter, 1319 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 630 SdHoareTripleChecker+Valid, 1991 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 01:34:15,248 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [630 Valid, 1991 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 01:34:15,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 937 states. [2024-11-23 01:34:15,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 937 to 494. [2024-11-23 01:34:15,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 494 states, 461 states have (on average 1.4316702819956617) internal successors, (660), 475 states have internal predecessors, (660), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-23 01:34:15,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 494 states and 690 transitions. [2024-11-23 01:34:15,264 INFO L78 Accepts]: Start accepts. Automaton has 494 states and 690 transitions. Word has length 34 [2024-11-23 01:34:15,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:34:15,264 INFO L471 AbstractCegarLoop]: Abstraction has 494 states and 690 transitions. [2024-11-23 01:34:15,265 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-23 01:34:15,265 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 690 transitions. [2024-11-23 01:34:15,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-23 01:34:15,267 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:34:15,267 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] [2024-11-23 01:34:15,267 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 01:34:15,268 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)] === [2024-11-23 01:34:15,268 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:34:15,268 INFO L85 PathProgramCache]: Analyzing trace with hash 185612591, now seen corresponding path program 1 times [2024-11-23 01:34:15,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:34:15,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003109462] [2024-11-23 01:34:15,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:34:15,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:34:15,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:34:15,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:34:15,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:34:15,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003109462] [2024-11-23 01:34:15,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2003109462] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:34:15,437 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:34:15,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 01:34:15,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537041795] [2024-11-23 01:34:15,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:34:15,437 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 01:34:15,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:34:15,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 01:34:15,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 01:34:15,438 INFO L87 Difference]: Start difference. First operand 494 states and 690 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:34:15,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:34:15,494 INFO L93 Difference]: Finished difference Result 982 states and 1374 transitions. [2024-11-23 01:34:15,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 01:34:15,495 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 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 64 [2024-11-23 01:34:15,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:34:15,496 INFO L225 Difference]: With dead ends: 982 [2024-11-23 01:34:15,496 INFO L226 Difference]: Without dead ends: 497 [2024-11-23 01:34:15,497 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-23 01:34:15,498 INFO L432 NwaCegarLoop]: 655 mSDtfsCounter, 105 mSDsluCounter, 1217 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 1872 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 01:34:15,498 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 1872 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 01:34:15,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2024-11-23 01:34:15,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 494. [2024-11-23 01:34:15,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 494 states, 461 states have (on average 1.4164859002169197) internal successors, (653), 475 states have internal predecessors, (653), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-23 01:34:15,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 494 states and 683 transitions. [2024-11-23 01:34:15,506 INFO L78 Accepts]: Start accepts. Automaton has 494 states and 683 transitions. Word has length 64 [2024-11-23 01:34:15,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:34:15,506 INFO L471 AbstractCegarLoop]: Abstraction has 494 states and 683 transitions. [2024-11-23 01:34:15,507 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:34:15,507 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 683 transitions. [2024-11-23 01:34:15,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-23 01:34:15,508 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:34:15,508 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] [2024-11-23 01:34:15,508 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-23 01:34:15,508 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-23 01:34:15,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:34:15,509 INFO L85 PathProgramCache]: Analyzing trace with hash -878587357, now seen corresponding path program 1 times [2024-11-23 01:34:15,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:34:15,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025242944] [2024-11-23 01:34:15,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:34:15,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:34:15,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:34:15,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:34:15,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:34:15,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025242944] [2024-11-23 01:34:15,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025242944] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:34:15,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:34:15,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 01:34:15,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734714599] [2024-11-23 01:34:15,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:34:15,656 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 01:34:15,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:34:15,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 01:34:15,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 01:34:15,657 INFO L87 Difference]: Start difference. First operand 494 states and 683 transitions. Second operand has 4 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:34:15,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:34:15,696 INFO L93 Difference]: Finished difference Result 909 states and 1268 transitions. [2024-11-23 01:34:15,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 01:34:15,697 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 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 64 [2024-11-23 01:34:15,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:34:15,702 INFO L225 Difference]: With dead ends: 909 [2024-11-23 01:34:15,703 INFO L226 Difference]: Without dead ends: 905 [2024-11-23 01:34:15,703 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-23 01:34:15,704 INFO L432 NwaCegarLoop]: 673 mSDtfsCounter, 516 mSDsluCounter, 1335 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 516 SdHoareTripleChecker+Valid, 2008 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 01:34:15,704 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [516 Valid, 2008 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 01:34:15,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 905 states. [2024-11-23 01:34:15,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 905 to 897. [2024-11-23 01:34:15,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 897 states, 856 states have (on average 1.425233644859813) internal successors, (1220), 872 states have internal predecessors, (1220), 22 states have call successors, (22), 7 states have call predecessors, (22), 5 states have return successors, (22), 18 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-23 01:34:15,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 897 states to 897 states and 1264 transitions. [2024-11-23 01:34:15,727 INFO L78 Accepts]: Start accepts. Automaton has 897 states and 1264 transitions. Word has length 64 [2024-11-23 01:34:15,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:34:15,727 INFO L471 AbstractCegarLoop]: Abstraction has 897 states and 1264 transitions. [2024-11-23 01:34:15,728 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:34:15,728 INFO L276 IsEmpty]: Start isEmpty. Operand 897 states and 1264 transitions. [2024-11-23 01:34:15,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-23 01:34:15,729 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:34:15,729 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] [2024-11-23 01:34:15,729 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-23 01:34:15,729 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)] === [2024-11-23 01:34:15,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:34:15,730 INFO L85 PathProgramCache]: Analyzing trace with hash -240672312, now seen corresponding path program 1 times [2024-11-23 01:34:15,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:34:15,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265187511] [2024-11-23 01:34:15,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:34:15,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:34:15,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:34:15,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:34:15,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:34:15,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265187511] [2024-11-23 01:34:15,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265187511] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:34:15,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:34:15,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 01:34:15,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16436751] [2024-11-23 01:34:15,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:34:15,871 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 01:34:15,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:34:15,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 01:34:15,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 01:34:15,872 INFO L87 Difference]: Start difference. First operand 897 states and 1264 transitions. Second operand has 3 states, 2 states have (on average 35.5) internal successors, (71), 3 states have internal predecessors, (71), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 01:34:15,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:34:15,898 INFO L93 Difference]: Finished difference Result 1171 states and 1640 transitions. [2024-11-23 01:34:15,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 01:34:15,899 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 35.5) internal successors, (71), 3 states have internal predecessors, (71), 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 74 [2024-11-23 01:34:15,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:34:15,903 INFO L225 Difference]: With dead ends: 1171 [2024-11-23 01:34:15,904 INFO L226 Difference]: Without dead ends: 1169 [2024-11-23 01:34:15,905 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 01:34:15,906 INFO L432 NwaCegarLoop]: 673 mSDtfsCounter, 544 mSDsluCounter, 669 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 544 SdHoareTripleChecker+Valid, 1342 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 01:34:15,908 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [544 Valid, 1342 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 01:34:15,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1169 states. [2024-11-23 01:34:15,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1169 to 1159. [2024-11-23 01:34:15,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1159 states, 1105 states have (on average 1.4244343891402715) internal successors, (1574), 1122 states have internal predecessors, (1574), 32 states have call successors, (32), 10 states have call predecessors, (32), 8 states have return successors, (32), 28 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-23 01:34:15,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1159 states to 1159 states and 1638 transitions. [2024-11-23 01:34:15,932 INFO L78 Accepts]: Start accepts. Automaton has 1159 states and 1638 transitions. Word has length 74 [2024-11-23 01:34:15,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:34:15,932 INFO L471 AbstractCegarLoop]: Abstraction has 1159 states and 1638 transitions. [2024-11-23 01:34:15,932 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 35.5) internal successors, (71), 3 states have internal predecessors, (71), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 01:34:15,932 INFO L276 IsEmpty]: Start isEmpty. Operand 1159 states and 1638 transitions. [2024-11-23 01:34:15,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-23 01:34:15,936 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:34:15,936 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:34:15,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-23 01:34:15,936 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-23 01:34:15,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:34:15,937 INFO L85 PathProgramCache]: Analyzing trace with hash 980932139, now seen corresponding path program 1 times [2024-11-23 01:34:15,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:34:15,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328214869] [2024-11-23 01:34:15,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:34:15,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:34:15,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:34:16,210 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:34:16,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:34:16,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328214869] [2024-11-23 01:34:16,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [328214869] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 01:34:16,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [805383533] [2024-11-23 01:34:16,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:34:16,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 01:34:16,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 01:34:16,215 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 01:34:16,216 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-23 01:34:16,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:34:16,455 INFO L255 TraceCheckSpWp]: Trace formula consists of 506 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-23 01:34:16,459 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 01:34:16,535 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:34:16,536 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 01:34:16,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [805383533] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:34:16,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 01:34:16,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 10 [2024-11-23 01:34:16,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145242976] [2024-11-23 01:34:16,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:34:16,537 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 01:34:16,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:34:16,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 01:34:16,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-23 01:34:16,538 INFO L87 Difference]: Start difference. First operand 1159 states and 1638 transitions. Second operand has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-23 01:34:16,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:34:16,615 INFO L93 Difference]: Finished difference Result 1576 states and 2224 transitions. [2024-11-23 01:34:16,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 01:34:16,616 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 83 [2024-11-23 01:34:16,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:34:16,628 INFO L225 Difference]: With dead ends: 1576 [2024-11-23 01:34:16,628 INFO L226 Difference]: Without dead ends: 1575 [2024-11-23 01:34:16,629 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-11-23 01:34:16,629 INFO L432 NwaCegarLoop]: 666 mSDtfsCounter, 636 mSDsluCounter, 1259 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 636 SdHoareTripleChecker+Valid, 1925 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 01:34:16,629 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [636 Valid, 1925 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 01:34:16,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1575 states. [2024-11-23 01:34:16,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1575 to 1525. [2024-11-23 01:34:16,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1525 states, 1464 states have (on average 1.4296448087431695) internal successors, (2093), 1483 states have internal predecessors, (2093), 37 states have call successors, (37), 13 states have call predecessors, (37), 10 states have return successors, (37), 30 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-23 01:34:16,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1525 states to 1525 states and 2167 transitions. [2024-11-23 01:34:16,668 INFO L78 Accepts]: Start accepts. Automaton has 1525 states and 2167 transitions. Word has length 83 [2024-11-23 01:34:16,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:34:16,669 INFO L471 AbstractCegarLoop]: Abstraction has 1525 states and 2167 transitions. [2024-11-23 01:34:16,669 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-23 01:34:16,669 INFO L276 IsEmpty]: Start isEmpty. Operand 1525 states and 2167 transitions. [2024-11-23 01:34:16,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-23 01:34:16,670 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:34:16,670 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:34:16,681 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-23 01:34:16,874 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,SelfDestructingSolverStorable6 [2024-11-23 01:34:16,875 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-23 01:34:16,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:34:16,875 INFO L85 PathProgramCache]: Analyzing trace with hash 344125278, now seen corresponding path program 1 times [2024-11-23 01:34:16,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:34:16,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985710335] [2024-11-23 01:34:16,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:34:16,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:34:16,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:34:17,115 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:34:17,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:34:17,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985710335] [2024-11-23 01:34:17,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985710335] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 01:34:17,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [320082791] [2024-11-23 01:34:17,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:34:17,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 01:34:17,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 01:34:17,121 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 01:34:17,123 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-23 01:34:17,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:34:17,319 INFO L255 TraceCheckSpWp]: Trace formula consists of 507 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-23 01:34:17,322 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 01:34:17,465 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:34:17,465 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 01:34:17,684 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:34:17,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [320082791] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 01:34:17,685 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 01:34:17,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 7] total 17 [2024-11-23 01:34:17,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827005068] [2024-11-23 01:34:17,685 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 01:34:17,685 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-23 01:34:17,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:34:17,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-23 01:34:17,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=235, Unknown=0, NotChecked=0, Total=306 [2024-11-23 01:34:17,686 INFO L87 Difference]: Start difference. First operand 1525 states and 2167 transitions. Second operand has 18 states, 17 states have (on average 13.235294117647058) internal successors, (225), 15 states have internal predecessors, (225), 5 states have call successors, (8), 6 states have call predecessors, (8), 5 states have return successors, (6), 2 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-23 01:34:18,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:34:18,603 INFO L93 Difference]: Finished difference Result 4158 states and 5901 transitions. [2024-11-23 01:34:18,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-23 01:34:18,603 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 13.235294117647058) internal successors, (225), 15 states have internal predecessors, (225), 5 states have call successors, (8), 6 states have call predecessors, (8), 5 states have return successors, (6), 2 states have call predecessors, (6), 5 states have call successors, (6) Word has length 84 [2024-11-23 01:34:18,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:34:18,616 INFO L225 Difference]: With dead ends: 4158 [2024-11-23 01:34:18,616 INFO L226 Difference]: Without dead ends: 4156 [2024-11-23 01:34:18,620 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 253 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=376, Invalid=884, Unknown=0, NotChecked=0, Total=1260 [2024-11-23 01:34:18,622 INFO L432 NwaCegarLoop]: 731 mSDtfsCounter, 7715 mSDsluCounter, 7909 mSDsCounter, 0 mSdLazyCounter, 595 mSolverCounterSat, 387 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7740 SdHoareTripleChecker+Valid, 8640 SdHoareTripleChecker+Invalid, 982 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 387 IncrementalHoareTripleChecker+Valid, 595 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-23 01:34:18,622 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7740 Valid, 8640 Invalid, 982 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [387 Valid, 595 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-23 01:34:18,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4156 states. [2024-11-23 01:34:18,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4156 to 3179. [2024-11-23 01:34:18,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3179 states, 3059 states have (on average 1.4233409610983982) internal successors, (4354), 3080 states have internal predecessors, (4354), 83 states have call successors, (83), 28 states have call predecessors, (83), 23 states have return successors, (106), 70 states have call predecessors, (106), 83 states have call successors, (106) [2024-11-23 01:34:18,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3179 states to 3179 states and 4543 transitions. [2024-11-23 01:34:18,730 INFO L78 Accepts]: Start accepts. Automaton has 3179 states and 4543 transitions. Word has length 84 [2024-11-23 01:34:18,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:34:18,731 INFO L471 AbstractCegarLoop]: Abstraction has 3179 states and 4543 transitions. [2024-11-23 01:34:18,731 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 13.235294117647058) internal successors, (225), 15 states have internal predecessors, (225), 5 states have call successors, (8), 6 states have call predecessors, (8), 5 states have return successors, (6), 2 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-23 01:34:18,731 INFO L276 IsEmpty]: Start isEmpty. Operand 3179 states and 4543 transitions. [2024-11-23 01:34:18,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-23 01:34:18,732 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:34:18,732 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:34:18,740 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-23 01:34:18,932 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 01:34:18,934 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)] === [2024-11-23 01:34:18,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:34:18,934 INFO L85 PathProgramCache]: Analyzing trace with hash -1558756002, now seen corresponding path program 1 times [2024-11-23 01:34:18,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:34:18,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143449972] [2024-11-23 01:34:18,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:34:18,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:34:18,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:34:19,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:34:19,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:34:19,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143449972] [2024-11-23 01:34:19,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [143449972] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:34:19,020 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:34:19,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 01:34:19,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927387995] [2024-11-23 01:34:19,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:34:19,020 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 01:34:19,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:34:19,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 01:34:19,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 01:34:19,020 INFO L87 Difference]: Start difference. First operand 3179 states and 4543 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:34:19,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:34:19,154 INFO L93 Difference]: Finished difference Result 6616 states and 9488 transitions. [2024-11-23 01:34:19,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 01:34:19,155 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 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 82 [2024-11-23 01:34:19,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:34:19,164 INFO L225 Difference]: With dead ends: 6616 [2024-11-23 01:34:19,164 INFO L226 Difference]: Without dead ends: 3446 [2024-11-23 01:34:19,168 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 01:34:19,169 INFO L432 NwaCegarLoop]: 903 mSDtfsCounter, 420 mSDsluCounter, 640 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 425 SdHoareTripleChecker+Valid, 1543 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 01:34:19,169 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [425 Valid, 1543 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 01:34:19,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3446 states. [2024-11-23 01:34:19,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3446 to 3332. [2024-11-23 01:34:19,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3332 states, 3218 states have (on average 1.4334990677439403) internal successors, (4613), 3238 states have internal predecessors, (4613), 80 states have call successors, (80), 24 states have call predecessors, (80), 20 states have return successors, (102), 69 states have call predecessors, (102), 80 states have call successors, (102) [2024-11-23 01:34:19,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3332 states to 3332 states and 4795 transitions. [2024-11-23 01:34:19,230 INFO L78 Accepts]: Start accepts. Automaton has 3332 states and 4795 transitions. Word has length 82 [2024-11-23 01:34:19,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:34:19,231 INFO L471 AbstractCegarLoop]: Abstraction has 3332 states and 4795 transitions. [2024-11-23 01:34:19,231 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:34:19,231 INFO L276 IsEmpty]: Start isEmpty. Operand 3332 states and 4795 transitions. [2024-11-23 01:34:19,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-23 01:34:19,231 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:34:19,232 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, 1, 1, 1, 1, 1] [2024-11-23 01:34:19,232 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-23 01:34:19,232 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)] === [2024-11-23 01:34:19,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:34:19,232 INFO L85 PathProgramCache]: Analyzing trace with hash -1908045712, now seen corresponding path program 1 times [2024-11-23 01:34:19,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:34:19,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804258877] [2024-11-23 01:34:19,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:34:19,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:34:19,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:34:19,487 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-23 01:34:19,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:34:19,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804258877] [2024-11-23 01:34:19,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1804258877] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 01:34:19,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1316811428] [2024-11-23 01:34:19,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:34:19,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 01:34:19,488 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 01:34:19,489 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 01:34:19,492 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-23 01:34:19,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:34:19,736 INFO L255 TraceCheckSpWp]: Trace formula consists of 601 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-23 01:34:19,739 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 01:34:19,863 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:34:19,863 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 01:34:20,032 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-23 01:34:20,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1316811428] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-23 01:34:20,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-23 01:34:20,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 4] total 12 [2024-11-23 01:34:20,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971556038] [2024-11-23 01:34:20,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:34:20,033 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 01:34:20,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:34:20,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 01:34:20,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2024-11-23 01:34:20,034 INFO L87 Difference]: Start difference. First operand 3332 states and 4795 transitions. Second operand has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-23 01:34:20,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:34:20,126 INFO L93 Difference]: Finished difference Result 3332 states and 4795 transitions. [2024-11-23 01:34:20,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 01:34:20,127 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 93 [2024-11-23 01:34:20,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:34:20,136 INFO L225 Difference]: With dead ends: 3332 [2024-11-23 01:34:20,136 INFO L226 Difference]: Without dead ends: 3331 [2024-11-23 01:34:20,137 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 178 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2024-11-23 01:34:20,138 INFO L432 NwaCegarLoop]: 671 mSDtfsCounter, 1302 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1302 SdHoareTripleChecker+Valid, 671 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 01:34:20,138 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1302 Valid, 671 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 01:34:20,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3331 states. [2024-11-23 01:34:20,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3331 to 3331. [2024-11-23 01:34:20,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3331 states, 3218 states have (on average 1.4319453076444997) internal successors, (4608), 3237 states have internal predecessors, (4608), 80 states have call successors, (80), 24 states have call predecessors, (80), 20 states have return successors, (102), 69 states have call predecessors, (102), 80 states have call successors, (102) [2024-11-23 01:34:20,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3331 states to 3331 states and 4790 transitions. [2024-11-23 01:34:20,216 INFO L78 Accepts]: Start accepts. Automaton has 3331 states and 4790 transitions. Word has length 93 [2024-11-23 01:34:20,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:34:20,216 INFO L471 AbstractCegarLoop]: Abstraction has 3331 states and 4790 transitions. [2024-11-23 01:34:20,216 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-23 01:34:20,217 INFO L276 IsEmpty]: Start isEmpty. Operand 3331 states and 4790 transitions. [2024-11-23 01:34:20,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-23 01:34:20,218 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:34:20,219 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:34:20,228 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-23 01:34:20,419 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 01:34:20,420 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)] === [2024-11-23 01:34:20,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:34:20,420 INFO L85 PathProgramCache]: Analyzing trace with hash 980125141, now seen corresponding path program 1 times [2024-11-23 01:34:20,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:34:20,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468038207] [2024-11-23 01:34:20,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:34:20,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:34:20,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:34:20,661 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-23 01:34:20,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:34:20,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468038207] [2024-11-23 01:34:20,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [468038207] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 01:34:20,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1020617977] [2024-11-23 01:34:20,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:34:20,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 01:34:20,662 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 01:34:20,664 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 01:34:20,665 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-23 01:34:20,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:34:20,887 INFO L255 TraceCheckSpWp]: Trace formula consists of 602 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-23 01:34:20,891 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 01:34:20,993 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:34:20,993 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 01:34:21,123 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-23 01:34:21,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1020617977] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 01:34:21,123 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 01:34:21,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 5] total 12 [2024-11-23 01:34:21,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553608816] [2024-11-23 01:34:21,124 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 01:34:21,124 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-23 01:34:21,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:34:21,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-23 01:34:21,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2024-11-23 01:34:21,125 INFO L87 Difference]: Start difference. First operand 3331 states and 4790 transitions. Second operand has 13 states, 12 states have (on average 19.75) internal successors, (237), 13 states have internal predecessors, (237), 5 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-23 01:34:21,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:34:21,608 INFO L93 Difference]: Finished difference Result 6509 states and 9324 transitions. [2024-11-23 01:34:21,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-23 01:34:21,609 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 19.75) internal successors, (237), 13 states have internal predecessors, (237), 5 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) Word has length 94 [2024-11-23 01:34:21,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:34:21,626 INFO L225 Difference]: With dead ends: 6509 [2024-11-23 01:34:21,626 INFO L226 Difference]: Without dead ends: 6508 [2024-11-23 01:34:21,627 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 185 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=152, Invalid=268, Unknown=0, NotChecked=0, Total=420 [2024-11-23 01:34:21,628 INFO L432 NwaCegarLoop]: 639 mSDtfsCounter, 2715 mSDsluCounter, 5047 mSDsCounter, 0 mSdLazyCounter, 332 mSolverCounterSat, 179 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2733 SdHoareTripleChecker+Valid, 5686 SdHoareTripleChecker+Invalid, 511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 179 IncrementalHoareTripleChecker+Valid, 332 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 01:34:21,628 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2733 Valid, 5686 Invalid, 511 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [179 Valid, 332 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 01:34:21,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6508 states. [2024-11-23 01:34:21,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6508 to 6070. [2024-11-23 01:34:21,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6070 states, 5848 states have (on average 1.427325581395349) internal successors, (8347), 5872 states have internal predecessors, (8347), 159 states have call successors, (159), 56 states have call predecessors, (159), 50 states have return successors, (197), 141 states have call predecessors, (197), 159 states have call successors, (197) [2024-11-23 01:34:21,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6070 states to 6070 states and 8703 transitions. [2024-11-23 01:34:21,763 INFO L78 Accepts]: Start accepts. Automaton has 6070 states and 8703 transitions. Word has length 94 [2024-11-23 01:34:21,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:34:21,763 INFO L471 AbstractCegarLoop]: Abstraction has 6070 states and 8703 transitions. [2024-11-23 01:34:21,763 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 19.75) internal successors, (237), 13 states have internal predecessors, (237), 5 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-23 01:34:21,763 INFO L276 IsEmpty]: Start isEmpty. Operand 6070 states and 8703 transitions. [2024-11-23 01:34:21,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-23 01:34:21,764 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:34:21,764 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] [2024-11-23 01:34:21,772 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-23 01:34:21,965 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-23 01:34:21,965 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)] === [2024-11-23 01:34:21,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:34:21,966 INFO L85 PathProgramCache]: Analyzing trace with hash 2083756214, now seen corresponding path program 1 times [2024-11-23 01:34:21,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:34:21,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040033839] [2024-11-23 01:34:21,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:34:21,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:34:22,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:34:22,251 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-23 01:34:22,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:34:22,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040033839] [2024-11-23 01:34:22,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040033839] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:34:22,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:34:22,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 01:34:22,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311029583] [2024-11-23 01:34:22,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:34:22,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 01:34:22,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:34:22,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 01:34:22,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 01:34:22,254 INFO L87 Difference]: Start difference. First operand 6070 states and 8703 transitions. Second operand has 4 states, 3 states have (on average 33.333333333333336) internal successors, (100), 4 states have internal predecessors, (100), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-23 01:34:22,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:34:22,487 INFO L93 Difference]: Finished difference Result 8326 states and 11950 transitions. [2024-11-23 01:34:22,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 01:34:22,488 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 33.333333333333336) internal successors, (100), 4 states have internal predecessors, (100), 1 states have call successors, (4), 1 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 120 [2024-11-23 01:34:22,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:34:22,514 INFO L225 Difference]: With dead ends: 8326 [2024-11-23 01:34:22,514 INFO L226 Difference]: Without dead ends: 8324 [2024-11-23 01:34:22,519 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-23 01:34:22,519 INFO L432 NwaCegarLoop]: 653 mSDtfsCounter, 521 mSDsluCounter, 1288 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 531 SdHoareTripleChecker+Valid, 1941 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 01:34:22,520 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [531 Valid, 1941 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 01:34:22,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8324 states. [2024-11-23 01:34:22,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8324 to 6238. [2024-11-23 01:34:22,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6238 states, 6007 states have (on average 1.4225070750790745) internal successors, (8545), 6032 states have internal predecessors, (8545), 168 states have call successors, (168), 56 states have call predecessors, (168), 50 states have return successors, (209), 149 states have call predecessors, (209), 168 states have call successors, (209) [2024-11-23 01:34:22,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6238 states to 6238 states and 8922 transitions. [2024-11-23 01:34:22,680 INFO L78 Accepts]: Start accepts. Automaton has 6238 states and 8922 transitions. Word has length 120 [2024-11-23 01:34:22,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:34:22,680 INFO L471 AbstractCegarLoop]: Abstraction has 6238 states and 8922 transitions. [2024-11-23 01:34:22,680 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 33.333333333333336) internal successors, (100), 4 states have internal predecessors, (100), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-23 01:34:22,680 INFO L276 IsEmpty]: Start isEmpty. Operand 6238 states and 8922 transitions. [2024-11-23 01:34:22,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-23 01:34:22,682 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:34:22,682 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:34:22,682 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-23 01:34:22,682 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)] === [2024-11-23 01:34:22,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:34:22,682 INFO L85 PathProgramCache]: Analyzing trace with hash -1429916002, now seen corresponding path program 1 times [2024-11-23 01:34:22,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:34:22,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227525442] [2024-11-23 01:34:22,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:34:22,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:34:22,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:34:22,944 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-23 01:34:22,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:34:22,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227525442] [2024-11-23 01:34:22,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227525442] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 01:34:22,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [395844215] [2024-11-23 01:34:22,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:34:22,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 01:34:22,946 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 01:34:22,948 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 01:34:22,949 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-23 01:34:23,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:34:23,215 INFO L255 TraceCheckSpWp]: Trace formula consists of 795 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-23 01:34:23,217 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 01:34:23,301 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-23 01:34:23,301 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 01:34:23,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [395844215] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:34:23,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 01:34:23,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 10 [2024-11-23 01:34:23,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950576268] [2024-11-23 01:34:23,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:34:23,302 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 01:34:23,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:34:23,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 01:34:23,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-23 01:34:23,303 INFO L87 Difference]: Start difference. First operand 6238 states and 8922 transitions. Second operand has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 5 states have internal predecessors, (113), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-23 01:34:23,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:34:23,555 INFO L93 Difference]: Finished difference Result 11822 states and 16948 transitions. [2024-11-23 01:34:23,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 01:34:23,556 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 5 states have internal predecessors, (113), 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 127 [2024-11-23 01:34:23,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:34:23,568 INFO L225 Difference]: With dead ends: 11822 [2024-11-23 01:34:23,569 INFO L226 Difference]: Without dead ends: 5988 [2024-11-23 01:34:23,574 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2024-11-23 01:34:23,575 INFO L432 NwaCegarLoop]: 651 mSDtfsCounter, 161 mSDsluCounter, 3148 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 3799 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 01:34:23,575 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 3799 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 212 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 01:34:23,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5988 states. [2024-11-23 01:34:23,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5988 to 5988. [2024-11-23 01:34:23,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5988 states, 5774 states have (on average 1.4255282299965362) internal successors, (8231), 5797 states have internal predecessors, (8231), 157 states have call successors, (157), 50 states have call predecessors, (157), 44 states have return successors, (192), 140 states have call predecessors, (192), 157 states have call successors, (192) [2024-11-23 01:34:23,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5988 states to 5988 states and 8580 transitions. [2024-11-23 01:34:23,688 INFO L78 Accepts]: Start accepts. Automaton has 5988 states and 8580 transitions. Word has length 127 [2024-11-23 01:34:23,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:34:23,689 INFO L471 AbstractCegarLoop]: Abstraction has 5988 states and 8580 transitions. [2024-11-23 01:34:23,689 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 5 states have internal predecessors, (113), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-23 01:34:23,689 INFO L276 IsEmpty]: Start isEmpty. Operand 5988 states and 8580 transitions. [2024-11-23 01:34:23,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-23 01:34:23,690 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:34:23,690 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:34:23,698 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-23 01:34:23,891 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 01:34:23,892 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)] === [2024-11-23 01:34:23,892 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:34:23,892 INFO L85 PathProgramCache]: Analyzing trace with hash 2038802715, now seen corresponding path program 1 times [2024-11-23 01:34:23,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:34:23,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3018149] [2024-11-23 01:34:23,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:34:23,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:34:24,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:34:24,238 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-23 01:34:24,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:34:24,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3018149] [2024-11-23 01:34:24,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3018149] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 01:34:24,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1835145882] [2024-11-23 01:34:24,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:34:24,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 01:34:24,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 01:34:24,241 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 01:34:24,242 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-23 01:34:24,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:34:24,571 INFO L255 TraceCheckSpWp]: Trace formula consists of 805 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-23 01:34:24,575 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 01:34:24,750 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-23 01:34:24,750 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 01:34:24,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1835145882] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:34:24,750 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 01:34:24,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 10 [2024-11-23 01:34:24,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252665192] [2024-11-23 01:34:24,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:34:24,751 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 01:34:24,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:34:24,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 01:34:24,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-23 01:34:24,752 INFO L87 Difference]: Start difference. First operand 5988 states and 8580 transitions. Second operand has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 7 states have internal predecessors, (111), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-23 01:34:25,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:34:25,422 INFO L93 Difference]: Finished difference Result 12394 states and 17725 transitions. [2024-11-23 01:34:25,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 01:34:25,423 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 7 states have internal predecessors, (111), 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 132 [2024-11-23 01:34:25,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:34:25,434 INFO L225 Difference]: With dead ends: 12394 [2024-11-23 01:34:25,435 INFO L226 Difference]: Without dead ends: 6495 [2024-11-23 01:34:25,443 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-23 01:34:25,443 INFO L432 NwaCegarLoop]: 654 mSDtfsCounter, 15 mSDsluCounter, 2600 mSDsCounter, 0 mSdLazyCounter, 795 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 3254 SdHoareTripleChecker+Invalid, 798 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 795 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-23 01:34:25,444 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 3254 Invalid, 798 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 795 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-23 01:34:25,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6495 states. [2024-11-23 01:34:25,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6495 to 6443. [2024-11-23 01:34:25,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6443 states, 6229 states have (on average 1.411141435222347) internal successors, (8790), 6252 states have internal predecessors, (8790), 157 states have call successors, (157), 50 states have call predecessors, (157), 44 states have return successors, (192), 140 states have call predecessors, (192), 157 states have call successors, (192) [2024-11-23 01:34:25,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6443 states to 6443 states and 9139 transitions. [2024-11-23 01:34:25,598 INFO L78 Accepts]: Start accepts. Automaton has 6443 states and 9139 transitions. Word has length 132 [2024-11-23 01:34:25,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:34:25,598 INFO L471 AbstractCegarLoop]: Abstraction has 6443 states and 9139 transitions. [2024-11-23 01:34:25,599 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 7 states have internal predecessors, (111), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-23 01:34:25,599 INFO L276 IsEmpty]: Start isEmpty. Operand 6443 states and 9139 transitions. [2024-11-23 01:34:25,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-23 01:34:25,600 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:34:25,600 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:34:25,609 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-23 01:34:25,800 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 01:34:25,801 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)] === [2024-11-23 01:34:25,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:34:25,801 INFO L85 PathProgramCache]: Analyzing trace with hash 1820581846, now seen corresponding path program 1 times [2024-11-23 01:34:25,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:34:25,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382174983] [2024-11-23 01:34:25,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:34:25,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:34:25,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:34:26,031 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-23 01:34:26,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:34:26,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382174983] [2024-11-23 01:34:26,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382174983] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:34:26,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:34:26,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-23 01:34:26,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360329395] [2024-11-23 01:34:26,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:34:26,032 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 01:34:26,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:34:26,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 01:34:26,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-23 01:34:26,033 INFO L87 Difference]: Start difference. First operand 6443 states and 9139 transitions. Second operand has 7 states, 7 states have (on average 16.0) internal successors, (112), 7 states have internal predecessors, (112), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-23 01:34:26,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:34:26,524 INFO L93 Difference]: Finished difference Result 12856 states and 18264 transitions. [2024-11-23 01:34:26,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 01:34:26,524 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.0) internal successors, (112), 7 states have internal predecessors, (112), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 133 [2024-11-23 01:34:26,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:34:26,542 INFO L225 Difference]: With dead ends: 12856 [2024-11-23 01:34:26,542 INFO L226 Difference]: Without dead ends: 6547 [2024-11-23 01:34:26,553 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-23 01:34:26,553 INFO L432 NwaCegarLoop]: 659 mSDtfsCounter, 14 mSDsluCounter, 2654 mSDsCounter, 0 mSdLazyCounter, 762 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 3313 SdHoareTripleChecker+Invalid, 763 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 762 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-23 01:34:26,554 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 3313 Invalid, 763 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 762 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-23 01:34:26,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6547 states. [2024-11-23 01:34:26,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6547 to 6495. [2024-11-23 01:34:26,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6495 states, 6281 states have (on average 1.4118770896354085) internal successors, (8868), 6304 states have internal predecessors, (8868), 157 states have call successors, (157), 50 states have call predecessors, (157), 44 states have return successors, (192), 140 states have call predecessors, (192), 157 states have call successors, (192) [2024-11-23 01:34:26,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6495 states to 6495 states and 9217 transitions. [2024-11-23 01:34:26,715 INFO L78 Accepts]: Start accepts. Automaton has 6495 states and 9217 transitions. Word has length 133 [2024-11-23 01:34:26,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:34:26,715 INFO L471 AbstractCegarLoop]: Abstraction has 6495 states and 9217 transitions. [2024-11-23 01:34:26,715 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.0) internal successors, (112), 7 states have internal predecessors, (112), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-23 01:34:26,715 INFO L276 IsEmpty]: Start isEmpty. Operand 6495 states and 9217 transitions. [2024-11-23 01:34:26,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-23 01:34:26,716 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:34:26,716 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:34:26,716 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-23 01:34:26,717 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)] === [2024-11-23 01:34:26,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:34:26,717 INFO L85 PathProgramCache]: Analyzing trace with hash 219360999, now seen corresponding path program 1 times [2024-11-23 01:34:26,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:34:26,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322757384] [2024-11-23 01:34:26,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:34:26,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:34:26,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:34:27,088 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-23 01:34:27,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:34:27,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322757384] [2024-11-23 01:34:27,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322757384] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:34:27,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:34:27,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-23 01:34:27,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643400344] [2024-11-23 01:34:27,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:34:27,089 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-23 01:34:27,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:34:27,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-23 01:34:27,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-23 01:34:27,090 INFO L87 Difference]: Start difference. First operand 6495 states and 9217 transitions. Second operand has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 9 states have internal predecessors, (113), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-23 01:34:27,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:34:27,749 INFO L93 Difference]: Finished difference Result 13143 states and 18667 transitions. [2024-11-23 01:34:27,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 01:34:27,750 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 9 states have internal predecessors, (113), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 134 [2024-11-23 01:34:27,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:34:27,762 INFO L225 Difference]: With dead ends: 13143 [2024-11-23 01:34:27,763 INFO L226 Difference]: Without dead ends: 6781 [2024-11-23 01:34:27,770 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-11-23 01:34:27,770 INFO L432 NwaCegarLoop]: 654 mSDtfsCounter, 36 mSDsluCounter, 3836 mSDsCounter, 0 mSdLazyCounter, 952 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 4490 SdHoareTripleChecker+Invalid, 955 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 952 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-23 01:34:27,771 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 4490 Invalid, 955 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 952 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-23 01:34:27,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6781 states. [2024-11-23 01:34:27,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6781 to 6651. [2024-11-23 01:34:27,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6651 states, 6437 states have (on average 1.4119931645176325) internal successors, (9089), 6460 states have internal predecessors, (9089), 157 states have call successors, (157), 50 states have call predecessors, (157), 44 states have return successors, (192), 140 states have call predecessors, (192), 157 states have call successors, (192) [2024-11-23 01:34:27,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6651 states to 6651 states and 9438 transitions. [2024-11-23 01:34:27,891 INFO L78 Accepts]: Start accepts. Automaton has 6651 states and 9438 transitions. Word has length 134 [2024-11-23 01:34:27,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:34:27,891 INFO L471 AbstractCegarLoop]: Abstraction has 6651 states and 9438 transitions. [2024-11-23 01:34:27,892 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 9 states have internal predecessors, (113), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-23 01:34:27,892 INFO L276 IsEmpty]: Start isEmpty. Operand 6651 states and 9438 transitions. [2024-11-23 01:34:27,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-23 01:34:27,893 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:34:27,893 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:34:27,893 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-23 01:34:27,893 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-23 01:34:27,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:34:27,894 INFO L85 PathProgramCache]: Analyzing trace with hash 1436897024, now seen corresponding path program 1 times [2024-11-23 01:34:27,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:34:27,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168250427] [2024-11-23 01:34:27,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:34:27,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:34:28,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:34:28,211 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-23 01:34:28,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:34:28,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168250427] [2024-11-23 01:34:28,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168250427] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 01:34:28,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1421601115] [2024-11-23 01:34:28,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:34:28,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 01:34:28,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 01:34:28,214 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 01:34:28,215 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-23 01:34:28,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:34:28,576 INFO L255 TraceCheckSpWp]: Trace formula consists of 807 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-23 01:34:28,581 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 01:34:28,584 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-23 01:34:28,600 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-23 01:34:28,613 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2024-11-23 01:34:29,126 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-23 01:34:29,126 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 01:34:29,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1421601115] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:34:29,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 01:34:29,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [5] total 14 [2024-11-23 01:34:29,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288646978] [2024-11-23 01:34:29,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:34:29,128 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-23 01:34:29,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:34:29,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-23 01:34:29,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-23 01:34:29,128 INFO L87 Difference]: Start difference. First operand 6651 states and 9438 transitions. Second operand has 11 states, 11 states have (on average 10.272727272727273) internal successors, (113), 11 states have internal predecessors, (113), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-23 01:34:30,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:34:30,693 INFO L93 Difference]: Finished difference Result 15264 states and 21721 transitions. [2024-11-23 01:34:30,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-23 01:34:30,693 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.272727272727273) internal successors, (113), 11 states have internal predecessors, (113), 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 134 [2024-11-23 01:34:30,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:34:30,710 INFO L225 Difference]: With dead ends: 15264 [2024-11-23 01:34:30,710 INFO L226 Difference]: Without dead ends: 8745 [2024-11-23 01:34:30,718 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 125 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=101, Invalid=361, Unknown=0, NotChecked=0, Total=462 [2024-11-23 01:34:30,718 INFO L432 NwaCegarLoop]: 653 mSDtfsCounter, 878 mSDsluCounter, 3585 mSDsCounter, 0 mSdLazyCounter, 1277 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 890 SdHoareTripleChecker+Valid, 4238 SdHoareTripleChecker+Invalid, 1284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-23 01:34:30,719 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [890 Valid, 4238 Invalid, 1284 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1277 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-23 01:34:30,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8745 states. [2024-11-23 01:34:30,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8745 to 6639. [2024-11-23 01:34:30,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6639 states, 6425 states have (on average 1.411828793774319) internal successors, (9071), 6448 states have internal predecessors, (9071), 157 states have call successors, (157), 50 states have call predecessors, (157), 44 states have return successors, (192), 140 states have call predecessors, (192), 157 states have call successors, (192) [2024-11-23 01:34:30,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6639 states to 6639 states and 9420 transitions. [2024-11-23 01:34:30,857 INFO L78 Accepts]: Start accepts. Automaton has 6639 states and 9420 transitions. Word has length 134 [2024-11-23 01:34:30,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:34:30,859 INFO L471 AbstractCegarLoop]: Abstraction has 6639 states and 9420 transitions. [2024-11-23 01:34:30,859 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.272727272727273) internal successors, (113), 11 states have internal predecessors, (113), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-23 01:34:30,859 INFO L276 IsEmpty]: Start isEmpty. Operand 6639 states and 9420 transitions. [2024-11-23 01:34:30,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-23 01:34:30,860 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:34:30,860 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:34:30,869 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-23 01:34:31,061 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-23 01:34:31,061 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-23 01:34:31,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:34:31,062 INFO L85 PathProgramCache]: Analyzing trace with hash 786605260, now seen corresponding path program 1 times [2024-11-23 01:34:31,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:34:31,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975917902] [2024-11-23 01:34:31,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:34:31,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:34:31,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:34:31,421 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-23 01:34:31,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:34:31,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975917902] [2024-11-23 01:34:31,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975917902] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:34:31,423 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:34:31,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-23 01:34:31,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378938555] [2024-11-23 01:34:31,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:34:31,424 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-23 01:34:31,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:34:31,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-23 01:34:31,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-23 01:34:31,425 INFO L87 Difference]: Start difference. First operand 6639 states and 9420 transitions. Second operand has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 9 states have internal predecessors, (115), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-23 01:34:31,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:34:31,840 INFO L93 Difference]: Finished difference Result 13394 states and 19001 transitions. [2024-11-23 01:34:31,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 01:34:31,841 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 9 states have internal predecessors, (115), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 136 [2024-11-23 01:34:31,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:34:31,853 INFO L225 Difference]: With dead ends: 13394 [2024-11-23 01:34:31,853 INFO L226 Difference]: Without dead ends: 6886 [2024-11-23 01:34:31,861 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-23 01:34:31,861 INFO L432 NwaCegarLoop]: 654 mSDtfsCounter, 22 mSDsluCounter, 2805 mSDsCounter, 0 mSdLazyCounter, 678 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 3459 SdHoareTripleChecker+Invalid, 680 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 678 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 01:34:31,861 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 3459 Invalid, 680 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 678 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 01:34:31,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6886 states. [2024-11-23 01:34:31,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6886 to 6721. [2024-11-23 01:34:31,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6721 states, 6507 states have (on average 1.4107883817427387) internal successors, (9180), 6530 states have internal predecessors, (9180), 157 states have call successors, (157), 50 states have call predecessors, (157), 44 states have return successors, (192), 140 states have call predecessors, (192), 157 states have call successors, (192) [2024-11-23 01:34:31,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6721 states to 6721 states and 9529 transitions. [2024-11-23 01:34:31,972 INFO L78 Accepts]: Start accepts. Automaton has 6721 states and 9529 transitions. Word has length 136 [2024-11-23 01:34:31,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:34:31,973 INFO L471 AbstractCegarLoop]: Abstraction has 6721 states and 9529 transitions. [2024-11-23 01:34:31,973 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 9 states have internal predecessors, (115), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-23 01:34:31,973 INFO L276 IsEmpty]: Start isEmpty. Operand 6721 states and 9529 transitions. [2024-11-23 01:34:31,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-23 01:34:31,974 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:34:31,974 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:34:31,974 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-23 01:34:31,974 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-23 01:34:31,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:34:31,975 INFO L85 PathProgramCache]: Analyzing trace with hash 1418064185, now seen corresponding path program 1 times [2024-11-23 01:34:31,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:34:31,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265914909] [2024-11-23 01:34:31,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:34:31,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:34:32,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:34:32,327 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-23 01:34:32,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:34:32,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265914909] [2024-11-23 01:34:32,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [265914909] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 01:34:32,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1957940132] [2024-11-23 01:34:32,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:34:32,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 01:34:32,328 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 01:34:32,332 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 01:34:32,333 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-23 01:34:32,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:34:32,676 INFO L255 TraceCheckSpWp]: Trace formula consists of 807 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-23 01:34:32,678 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 01:34:32,762 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-23 01:34:32,762 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 01:34:32,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1957940132] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:34:32,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 01:34:32,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 10 [2024-11-23 01:34:32,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627086186] [2024-11-23 01:34:32,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:34:32,763 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 01:34:32,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:34:32,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 01:34:32,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-23 01:34:32,763 INFO L87 Difference]: Start difference. First operand 6721 states and 9529 transitions. Second operand has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-23 01:34:33,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:34:33,147 INFO L93 Difference]: Finished difference Result 13471 states and 19122 transitions. [2024-11-23 01:34:33,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 01:34:33,147 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 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 137 [2024-11-23 01:34:33,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:34:33,161 INFO L225 Difference]: With dead ends: 13471 [2024-11-23 01:34:33,162 INFO L226 Difference]: Without dead ends: 6903 [2024-11-23 01:34:33,169 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-23 01:34:33,170 INFO L432 NwaCegarLoop]: 650 mSDtfsCounter, 40 mSDsluCounter, 2750 mSDsCounter, 0 mSdLazyCounter, 662 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 3400 SdHoareTripleChecker+Invalid, 666 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 662 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 01:34:33,170 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 3400 Invalid, 666 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 662 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 01:34:33,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6903 states. [2024-11-23 01:34:33,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6903 to 6812. [2024-11-23 01:34:33,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6812 states, 6598 states have (on average 1.4110336465595634) internal successors, (9310), 6621 states have internal predecessors, (9310), 157 states have call successors, (157), 50 states have call predecessors, (157), 44 states have return successors, (192), 140 states have call predecessors, (192), 157 states have call successors, (192) [2024-11-23 01:34:33,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6812 states to 6812 states and 9659 transitions. [2024-11-23 01:34:33,286 INFO L78 Accepts]: Start accepts. Automaton has 6812 states and 9659 transitions. Word has length 137 [2024-11-23 01:34:33,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:34:33,286 INFO L471 AbstractCegarLoop]: Abstraction has 6812 states and 9659 transitions. [2024-11-23 01:34:33,286 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-23 01:34:33,287 INFO L276 IsEmpty]: Start isEmpty. Operand 6812 states and 9659 transitions. [2024-11-23 01:34:33,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-23 01:34:33,287 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:34:33,288 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:34:33,297 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-23 01:34:33,489 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 01:34:33,489 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-23 01:34:33,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:34:33,490 INFO L85 PathProgramCache]: Analyzing trace with hash -1659367086, now seen corresponding path program 1 times [2024-11-23 01:34:33,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:34:33,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577433269] [2024-11-23 01:34:33,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:34:33,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:34:33,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:34:33,826 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-23 01:34:33,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:34:33,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577433269] [2024-11-23 01:34:33,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577433269] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 01:34:33,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1582337740] [2024-11-23 01:34:33,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:34:33,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 01:34:33,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 01:34:33,829 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 01:34:33,829 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-23 01:34:34,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:34:34,196 INFO L255 TraceCheckSpWp]: Trace formula consists of 807 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-23 01:34:34,199 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 01:34:34,263 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:34:34,264 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 01:34:34,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1582337740] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:34:34,264 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 01:34:34,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [5] total 11 [2024-11-23 01:34:34,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948310926] [2024-11-23 01:34:34,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:34:34,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-23 01:34:34,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:34:34,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-23 01:34:34,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-23 01:34:34,265 INFO L87 Difference]: Start difference. First operand 6812 states and 9659 transitions. Second operand has 9 states, 9 states have (on average 14.11111111111111) internal successors, (127), 9 states have internal predecessors, (127), 3 states have call successors, (5), 2 states have call predecessors, (5), 4 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-23 01:34:34,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:34:34,402 INFO L93 Difference]: Finished difference Result 10316 states and 14590 transitions. [2024-11-23 01:34:34,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-23 01:34:34,403 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.11111111111111) internal successors, (127), 9 states have internal predecessors, (127), 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 137 [2024-11-23 01:34:34,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:34:34,412 INFO L225 Difference]: With dead ends: 10316 [2024-11-23 01:34:34,412 INFO L226 Difference]: Without dead ends: 3687 [2024-11-23 01:34:34,421 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-11-23 01:34:34,422 INFO L432 NwaCegarLoop]: 663 mSDtfsCounter, 13 mSDsluCounter, 4603 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 5266 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 01:34:34,422 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 5266 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 01:34:34,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3687 states. [2024-11-23 01:34:34,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3687 to 3685. [2024-11-23 01:34:34,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3685 states, 3547 states have (on average 1.4011840992387934) internal successors, (4970), 3563 states have internal predecessors, (4970), 86 states have call successors, (86), 42 states have call predecessors, (86), 39 states have return successors, (97), 79 states have call predecessors, (97), 86 states have call successors, (97) [2024-11-23 01:34:34,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3685 states to 3685 states and 5153 transitions. [2024-11-23 01:34:34,495 INFO L78 Accepts]: Start accepts. Automaton has 3685 states and 5153 transitions. Word has length 137 [2024-11-23 01:34:34,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:34:34,495 INFO L471 AbstractCegarLoop]: Abstraction has 3685 states and 5153 transitions. [2024-11-23 01:34:34,495 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.11111111111111) internal successors, (127), 9 states have internal predecessors, (127), 3 states have call successors, (5), 2 states have call predecessors, (5), 4 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-23 01:34:34,496 INFO L276 IsEmpty]: Start isEmpty. Operand 3685 states and 5153 transitions. [2024-11-23 01:34:34,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-23 01:34:34,496 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:34:34,497 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:34:34,506 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-23 01:34:34,697 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 01:34:34,697 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-23 01:34:34,698 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:34:34,698 INFO L85 PathProgramCache]: Analyzing trace with hash -109109404, now seen corresponding path program 1 times [2024-11-23 01:34:34,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:34:34,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389182487] [2024-11-23 01:34:34,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:34:34,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:34:34,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:34:34,988 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-23 01:34:34,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:34:34,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389182487] [2024-11-23 01:34:34,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389182487] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 01:34:34,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1163690652] [2024-11-23 01:34:34,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:34:34,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 01:34:34,989 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 01:34:34,990 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 01:34:34,993 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-23 01:34:35,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:34:35,409 INFO L255 TraceCheckSpWp]: Trace formula consists of 837 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-23 01:34:35,412 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 01:34:35,489 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 23 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-23 01:34:35,489 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 01:34:35,611 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-23 01:34:35,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1163690652] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 01:34:35,612 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 01:34:35,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 10, 6] total 17 [2024-11-23 01:34:35,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124913066] [2024-11-23 01:34:35,612 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 01:34:35,613 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-23 01:34:35,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:34:35,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-23 01:34:35,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2024-11-23 01:34:35,613 INFO L87 Difference]: Start difference. First operand 3685 states and 5153 transitions. Second operand has 17 states, 17 states have (on average 9.294117647058824) internal successors, (158), 17 states have internal predecessors, (158), 3 states have call successors, (8), 2 states have call predecessors, (8), 7 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-23 01:34:35,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:34:35,926 INFO L93 Difference]: Finished difference Result 7240 states and 10141 transitions. [2024-11-23 01:34:35,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-23 01:34:35,928 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 9.294117647058824) internal successors, (158), 17 states have internal predecessors, (158), 3 states have call successors, (8), 2 states have call predecessors, (8), 7 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 139 [2024-11-23 01:34:35,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:34:35,936 INFO L225 Difference]: With dead ends: 7240 [2024-11-23 01:34:35,937 INFO L226 Difference]: Without dead ends: 3747 [2024-11-23 01:34:35,940 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 292 GetRequests, 269 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=486, Unknown=0, NotChecked=0, Total=600 [2024-11-23 01:34:35,941 INFO L432 NwaCegarLoop]: 663 mSDtfsCounter, 22 mSDsluCounter, 7248 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 7911 SdHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 01:34:35,941 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 7911 Invalid, 313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 304 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 01:34:35,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3747 states. [2024-11-23 01:34:35,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3747 to 3725. [2024-11-23 01:34:36,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3725 states, 3586 states have (on average 1.401282766313441) internal successors, (5025), 3599 states have internal predecessors, (5025), 86 states have call successors, (86), 46 states have call predecessors, (86), 40 states have return successors, (93), 79 states have call predecessors, (93), 86 states have call successors, (93) [2024-11-23 01:34:36,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3725 states to 3725 states and 5204 transitions. [2024-11-23 01:34:36,008 INFO L78 Accepts]: Start accepts. Automaton has 3725 states and 5204 transitions. Word has length 139 [2024-11-23 01:34:36,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:34:36,008 INFO L471 AbstractCegarLoop]: Abstraction has 3725 states and 5204 transitions. [2024-11-23 01:34:36,008 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 9.294117647058824) internal successors, (158), 17 states have internal predecessors, (158), 3 states have call successors, (8), 2 states have call predecessors, (8), 7 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-23 01:34:36,008 INFO L276 IsEmpty]: Start isEmpty. Operand 3725 states and 5204 transitions. [2024-11-23 01:34:36,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-23 01:34:36,009 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:34:36,010 INFO L215 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:34:36,020 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-23 01:34:36,210 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-11-23 01:34:36,210 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-23 01:34:36,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:34:36,211 INFO L85 PathProgramCache]: Analyzing trace with hash -544423374, now seen corresponding path program 2 times [2024-11-23 01:34:36,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:34:36,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044070279] [2024-11-23 01:34:36,211 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 01:34:36,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:34:36,368 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-23 01:34:36,369 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 01:34:36,678 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-23 01:34:36,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:34:36,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044070279] [2024-11-23 01:34:36,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1044070279] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 01:34:36,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1827962964] [2024-11-23 01:34:36,679 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 01:34:36,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 01:34:36,679 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 01:34:36,681 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 01:34:36,681 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-23 01:34:36,976 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-23 01:34:36,977 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 01:34:36,978 INFO L255 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-23 01:34:36,980 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 01:34:36,985 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-23 01:34:36,995 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-23 01:34:36,995 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 01:34:36,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1827962964] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:34:36,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 01:34:36,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 10 [2024-11-23 01:34:36,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254346842] [2024-11-23 01:34:36,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:34:36,996 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 01:34:36,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:34:36,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 01:34:36,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-23 01:34:36,996 INFO L87 Difference]: Start difference. First operand 3725 states and 5204 transitions. Second operand has 3 states, 2 states have (on average 56.5) internal successors, (113), 3 states have internal predecessors, (113), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-23 01:34:37,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:34:37,043 INFO L93 Difference]: Finished difference Result 3725 states and 5204 transitions. [2024-11-23 01:34:37,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 01:34:37,043 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 56.5) internal successors, (113), 3 states have internal predecessors, (113), 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 143 [2024-11-23 01:34:37,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:34:37,050 INFO L225 Difference]: With dead ends: 3725 [2024-11-23 01:34:37,050 INFO L226 Difference]: Without dead ends: 3724 [2024-11-23 01:34:37,051 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-23 01:34:37,052 INFO L432 NwaCegarLoop]: 671 mSDtfsCounter, 1 mSDsluCounter, 669 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1340 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 01:34:37,052 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1340 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 01:34:37,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3724 states. [2024-11-23 01:34:37,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3724 to 3724. [2024-11-23 01:34:37,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3724 states, 3586 states have (on average 1.3996095928611265) internal successors, (5019), 3598 states have internal predecessors, (5019), 86 states have call successors, (86), 46 states have call predecessors, (86), 40 states have return successors, (93), 79 states have call predecessors, (93), 86 states have call successors, (93) [2024-11-23 01:34:37,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3724 states to 3724 states and 5198 transitions. [2024-11-23 01:34:37,115 INFO L78 Accepts]: Start accepts. Automaton has 3724 states and 5198 transitions. Word has length 143 [2024-11-23 01:34:37,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:34:37,116 INFO L471 AbstractCegarLoop]: Abstraction has 3724 states and 5198 transitions. [2024-11-23 01:34:37,116 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 56.5) internal successors, (113), 3 states have internal predecessors, (113), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-23 01:34:37,116 INFO L276 IsEmpty]: Start isEmpty. Operand 3724 states and 5198 transitions. [2024-11-23 01:34:37,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-23 01:34:37,117 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:34:37,117 INFO L215 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:34:37,125 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-23 01:34:37,317 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-11-23 01:34:37,318 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-23 01:34:37,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:34:37,319 INFO L85 PathProgramCache]: Analyzing trace with hash 302744693, now seen corresponding path program 1 times [2024-11-23 01:34:37,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:34:37,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664179130] [2024-11-23 01:34:37,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:34:37,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:34:37,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:34:37,778 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 7 proven. 30 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-23 01:34:37,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:34:37,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664179130] [2024-11-23 01:34:37,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1664179130] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 01:34:37,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1003581264] [2024-11-23 01:34:37,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:34:37,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 01:34:37,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 01:34:37,780 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 01:34:37,782 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-23 01:34:38,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:34:38,259 INFO L255 TraceCheckSpWp]: Trace formula consists of 898 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-23 01:34:38,262 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 01:34:38,458 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 35 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-23 01:34:38,459 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 01:34:38,708 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 7 proven. 30 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-23 01:34:38,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1003581264] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 01:34:38,709 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 01:34:38,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 14, 9] total 27 [2024-11-23 01:34:38,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905830757] [2024-11-23 01:34:38,709 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 01:34:38,709 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-23 01:34:38,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:34:38,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-23 01:34:38,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=576, Unknown=0, NotChecked=0, Total=702 [2024-11-23 01:34:38,710 INFO L87 Difference]: Start difference. First operand 3724 states and 5198 transitions. Second operand has 27 states, 27 states have (on average 6.296296296296297) internal successors, (170), 27 states have internal predecessors, (170), 3 states have call successors, (8), 2 states have call predecessors, (8), 7 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-23 01:34:39,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:34:39,526 INFO L93 Difference]: Finished difference Result 6903 states and 9619 transitions. [2024-11-23 01:34:39,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-23 01:34:39,526 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 6.296296296296297) internal successors, (170), 27 states have internal predecessors, (170), 3 states have call successors, (8), 2 states have call predecessors, (8), 7 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 144 [2024-11-23 01:34:39,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:34:39,536 INFO L225 Difference]: With dead ends: 6903 [2024-11-23 01:34:39,536 INFO L226 Difference]: Without dead ends: 3205 [2024-11-23 01:34:39,541 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 314 GetRequests, 272 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 182 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=380, Invalid=1512, Unknown=0, NotChecked=0, Total=1892 [2024-11-23 01:34:39,542 INFO L432 NwaCegarLoop]: 573 mSDtfsCounter, 51 mSDsluCounter, 6828 mSDsCounter, 0 mSdLazyCounter, 676 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 7401 SdHoareTripleChecker+Invalid, 694 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 676 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 01:34:39,542 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 7401 Invalid, 694 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 676 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 01:34:39,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3205 states. [2024-11-23 01:34:39,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3205 to 3174. [2024-11-23 01:34:39,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3174 states, 3036 states have (on average 1.3784584980237153) internal successors, (4185), 3048 states have internal predecessors, (4185), 86 states have call successors, (86), 46 states have call predecessors, (86), 40 states have return successors, (93), 79 states have call predecessors, (93), 86 states have call successors, (93) [2024-11-23 01:34:39,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3174 states to 3174 states and 4364 transitions. [2024-11-23 01:34:39,641 INFO L78 Accepts]: Start accepts. Automaton has 3174 states and 4364 transitions. Word has length 144 [2024-11-23 01:34:39,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:34:39,642 INFO L471 AbstractCegarLoop]: Abstraction has 3174 states and 4364 transitions. [2024-11-23 01:34:39,642 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 6.296296296296297) internal successors, (170), 27 states have internal predecessors, (170), 3 states have call successors, (8), 2 states have call predecessors, (8), 7 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-23 01:34:39,642 INFO L276 IsEmpty]: Start isEmpty. Operand 3174 states and 4364 transitions. [2024-11-23 01:34:39,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-23 01:34:39,643 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:34:39,644 INFO L215 NwaCegarLoop]: trace histogram [15, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:34:39,655 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-11-23 01:34:39,844 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-11-23 01:34:39,844 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-23 01:34:39,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:34:39,845 INFO L85 PathProgramCache]: Analyzing trace with hash 810593628, now seen corresponding path program 2 times [2024-11-23 01:34:39,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:34:39,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472234804] [2024-11-23 01:34:39,845 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 01:34:39,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:34:40,065 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-23 01:34:40,067 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 01:34:40,790 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 7 proven. 126 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-11-23 01:34:40,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:34:40,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472234804] [2024-11-23 01:34:40,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472234804] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 01:34:40,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1729844910] [2024-11-23 01:34:40,791 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 01:34:40,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 01:34:40,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 01:34:40,796 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 01:34:40,803 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-23 01:34:41,349 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-23 01:34:41,349 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 01:34:41,354 INFO L255 TraceCheckSpWp]: Trace formula consists of 1033 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-23 01:34:41,356 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 01:34:41,543 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2024-11-23 01:34:41,544 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 01:34:41,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1729844910] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:34:41,544 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 01:34:41,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [15] total 20 [2024-11-23 01:34:41,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518903802] [2024-11-23 01:34:41,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:34:41,544 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 01:34:41,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:34:41,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 01:34:41,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2024-11-23 01:34:41,545 INFO L87 Difference]: Start difference. First operand 3174 states and 4364 transitions. Second operand has 7 states, 7 states have (on average 16.857142857142858) internal successors, (118), 7 states have internal predecessors, (118), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-23 01:34:41,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:34:41,838 INFO L93 Difference]: Finished difference Result 6331 states and 8729 transitions. [2024-11-23 01:34:41,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 01:34:41,839 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.857142857142858) internal successors, (118), 7 states have internal predecessors, (118), 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 153 [2024-11-23 01:34:41,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:34:41,845 INFO L225 Difference]: With dead ends: 6331 [2024-11-23 01:34:41,845 INFO L226 Difference]: Without dead ends: 3227 [2024-11-23 01:34:41,848 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2024-11-23 01:34:41,848 INFO L432 NwaCegarLoop]: 583 mSDtfsCounter, 10 mSDsluCounter, 2566 mSDsCounter, 0 mSdLazyCounter, 424 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 3149 SdHoareTripleChecker+Invalid, 425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 01:34:41,848 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 3149 Invalid, 425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 424 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 01:34:41,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3227 states. [2024-11-23 01:34:41,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3227 to 3174. [2024-11-23 01:34:41,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3174 states, 3036 states have (on average 1.3784584980237153) internal successors, (4185), 3048 states have internal predecessors, (4185), 86 states have call successors, (86), 46 states have call predecessors, (86), 40 states have return successors, (93), 79 states have call predecessors, (93), 86 states have call successors, (93) [2024-11-23 01:34:41,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3174 states to 3174 states and 4364 transitions. [2024-11-23 01:34:41,917 INFO L78 Accepts]: Start accepts. Automaton has 3174 states and 4364 transitions. Word has length 153 [2024-11-23 01:34:41,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:34:41,917 INFO L471 AbstractCegarLoop]: Abstraction has 3174 states and 4364 transitions. [2024-11-23 01:34:41,917 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.857142857142858) internal successors, (118), 7 states have internal predecessors, (118), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-23 01:34:41,918 INFO L276 IsEmpty]: Start isEmpty. Operand 3174 states and 4364 transitions. [2024-11-23 01:34:41,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-23 01:34:41,918 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:34:41,919 INFO L215 NwaCegarLoop]: trace histogram [15, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:34:41,932 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-23 01:34:42,119 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 01:34:42,120 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-23 01:34:42,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:34:42,120 INFO L85 PathProgramCache]: Analyzing trace with hash 300572426, now seen corresponding path program 1 times [2024-11-23 01:34:42,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:34:42,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547250608] [2024-11-23 01:34:42,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:34:42,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:34:42,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:34:42,415 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2024-11-23 01:34:42,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:34:42,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547250608] [2024-11-23 01:34:42,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547250608] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:34:42,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:34:42,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 01:34:42,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278037374] [2024-11-23 01:34:42,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:34:42,416 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 01:34:42,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:34:42,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 01:34:42,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-23 01:34:42,417 INFO L87 Difference]: Start difference. First operand 3174 states and 4364 transitions. Second operand has 6 states, 6 states have (on average 19.666666666666668) internal successors, (118), 6 states have internal predecessors, (118), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-23 01:34:42,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:34:42,615 INFO L93 Difference]: Finished difference Result 6283 states and 8648 transitions. [2024-11-23 01:34:42,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 01:34:42,615 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.666666666666668) internal successors, (118), 6 states have internal predecessors, (118), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 153 [2024-11-23 01:34:42,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:34:42,622 INFO L225 Difference]: With dead ends: 6283 [2024-11-23 01:34:42,622 INFO L226 Difference]: Without dead ends: 3174 [2024-11-23 01:34:42,625 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-23 01:34:42,626 INFO L432 NwaCegarLoop]: 587 mSDtfsCounter, 8 mSDsluCounter, 1560 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 2147 SdHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 01:34:42,627 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 2147 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 01:34:42,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3174 states. [2024-11-23 01:34:42,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3174 to 3174. [2024-11-23 01:34:42,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3174 states, 3036 states have (on average 1.3761528326745718) internal successors, (4178), 3048 states have internal predecessors, (4178), 86 states have call successors, (86), 46 states have call predecessors, (86), 40 states have return successors, (93), 79 states have call predecessors, (93), 86 states have call successors, (93) [2024-11-23 01:34:42,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3174 states to 3174 states and 4357 transitions. [2024-11-23 01:34:42,695 INFO L78 Accepts]: Start accepts. Automaton has 3174 states and 4357 transitions. Word has length 153 [2024-11-23 01:34:42,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:34:42,695 INFO L471 AbstractCegarLoop]: Abstraction has 3174 states and 4357 transitions. [2024-11-23 01:34:42,695 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.666666666666668) internal successors, (118), 6 states have internal predecessors, (118), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-23 01:34:42,695 INFO L276 IsEmpty]: Start isEmpty. Operand 3174 states and 4357 transitions. [2024-11-23 01:34:42,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-23 01:34:42,696 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:34:42,696 INFO L215 NwaCegarLoop]: trace histogram [15, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:34:42,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-23 01:34:42,697 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-23 01:34:42,698 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:34:42,699 INFO L85 PathProgramCache]: Analyzing trace with hash -1039136729, now seen corresponding path program 1 times [2024-11-23 01:34:42,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:34:42,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234568650] [2024-11-23 01:34:42,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:34:42,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:34:42,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:34:43,095 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2024-11-23 01:34:43,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:34:43,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234568650] [2024-11-23 01:34:43,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [234568650] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:34:43,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:34:43,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-23 01:34:43,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574626137] [2024-11-23 01:34:43,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:34:43,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-23 01:34:43,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:34:43,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-23 01:34:43,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-23 01:34:43,098 INFO L87 Difference]: Start difference. First operand 3174 states and 4357 transitions. Second operand has 10 states, 10 states have (on average 11.8) internal successors, (118), 10 states have internal predecessors, (118), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-23 01:34:43,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:34:43,551 INFO L93 Difference]: Finished difference Result 6383 states and 8780 transitions. [2024-11-23 01:34:43,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-23 01:34:43,552 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 11.8) internal successors, (118), 10 states have internal predecessors, (118), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 153 [2024-11-23 01:34:43,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:34:43,561 INFO L225 Difference]: With dead ends: 6383 [2024-11-23 01:34:43,561 INFO L226 Difference]: Without dead ends: 3279 [2024-11-23 01:34:43,565 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-11-23 01:34:43,566 INFO L432 NwaCegarLoop]: 589 mSDtfsCounter, 23 mSDsluCounter, 4171 mSDsCounter, 0 mSdLazyCounter, 738 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 4760 SdHoareTripleChecker+Invalid, 739 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 738 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 01:34:43,566 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 4760 Invalid, 739 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 738 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 01:34:43,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3279 states. [2024-11-23 01:34:43,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3279 to 3237. [2024-11-23 01:34:43,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3237 states, 3099 states have (on average 1.372378186511778) internal successors, (4253), 3111 states have internal predecessors, (4253), 86 states have call successors, (86), 46 states have call predecessors, (86), 40 states have return successors, (93), 79 states have call predecessors, (93), 86 states have call successors, (93) [2024-11-23 01:34:43,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3237 states to 3237 states and 4432 transitions. [2024-11-23 01:34:43,666 INFO L78 Accepts]: Start accepts. Automaton has 3237 states and 4432 transitions. Word has length 153 [2024-11-23 01:34:43,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:34:43,667 INFO L471 AbstractCegarLoop]: Abstraction has 3237 states and 4432 transitions. [2024-11-23 01:34:43,667 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.8) internal successors, (118), 10 states have internal predecessors, (118), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-23 01:34:43,667 INFO L276 IsEmpty]: Start isEmpty. Operand 3237 states and 4432 transitions. [2024-11-23 01:34:43,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-23 01:34:43,668 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:34:43,668 INFO L215 NwaCegarLoop]: trace histogram [15, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:34:43,669 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-23 01:34:43,669 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-23 01:34:43,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:34:43,669 INFO L85 PathProgramCache]: Analyzing trace with hash -2014979523, now seen corresponding path program 1 times [2024-11-23 01:34:43,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:34:43,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876943850] [2024-11-23 01:34:43,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:34:43,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:34:43,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:34:44,378 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 7 proven. 126 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-11-23 01:34:44,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:34:44,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876943850] [2024-11-23 01:34:44,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876943850] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 01:34:44,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1374284762] [2024-11-23 01:34:44,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:34:44,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 01:34:44,379 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 01:34:44,380 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 01:34:44,381 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-23 01:34:45,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:34:45,326 INFO L255 TraceCheckSpWp]: Trace formula consists of 1031 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-23 01:34:45,329 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 01:34:45,732 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 11 proven. 129 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-23 01:34:45,732 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 01:34:46,097 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 78 proven. 15 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-11-23 01:34:46,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1374284762] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 01:34:46,098 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 01:34:46,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 19, 10] total 39 [2024-11-23 01:34:46,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941883304] [2024-11-23 01:34:46,098 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 01:34:46,099 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2024-11-23 01:34:46,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:34:46,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2024-11-23 01:34:46,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=248, Invalid=1234, Unknown=0, NotChecked=0, Total=1482 [2024-11-23 01:34:46,100 INFO L87 Difference]: Start difference. First operand 3237 states and 4432 transitions. Second operand has 39 states, 39 states have (on average 4.512820512820513) internal successors, (176), 39 states have internal predecessors, (176), 3 states have call successors, (8), 1 states have call predecessors, (8), 7 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-23 01:34:47,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:34:47,765 INFO L93 Difference]: Finished difference Result 6495 states and 8954 transitions. [2024-11-23 01:34:47,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-11-23 01:34:47,766 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 39 states have (on average 4.512820512820513) internal successors, (176), 39 states have internal predecessors, (176), 3 states have call successors, (8), 1 states have call predecessors, (8), 7 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 154 [2024-11-23 01:34:47,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:34:47,772 INFO L225 Difference]: With dead ends: 6495 [2024-11-23 01:34:47,772 INFO L226 Difference]: Without dead ends: 3359 [2024-11-23 01:34:47,776 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 359 GetRequests, 287 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 995 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=850, Invalid=4552, Unknown=0, NotChecked=0, Total=5402 [2024-11-23 01:34:47,777 INFO L432 NwaCegarLoop]: 585 mSDtfsCounter, 40 mSDsluCounter, 8162 mSDsCounter, 0 mSdLazyCounter, 849 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 8747 SdHoareTripleChecker+Invalid, 873 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 849 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-23 01:34:47,777 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 8747 Invalid, 873 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 849 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-23 01:34:47,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3359 states. [2024-11-23 01:34:47,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3359 to 3296. [2024-11-23 01:34:47,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3296 states, 3158 states have (on average 1.3657378087397087) internal successors, (4313), 3169 states have internal predecessors, (4313), 86 states have call successors, (86), 47 states have call predecessors, (86), 40 states have return successors, (93), 79 states have call predecessors, (93), 86 states have call successors, (93) [2024-11-23 01:34:47,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3296 states to 3296 states and 4492 transitions. [2024-11-23 01:34:47,864 INFO L78 Accepts]: Start accepts. Automaton has 3296 states and 4492 transitions. Word has length 154 [2024-11-23 01:34:47,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:34:47,864 INFO L471 AbstractCegarLoop]: Abstraction has 3296 states and 4492 transitions. [2024-11-23 01:34:47,864 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 4.512820512820513) internal successors, (176), 39 states have internal predecessors, (176), 3 states have call successors, (8), 1 states have call predecessors, (8), 7 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-23 01:34:47,864 INFO L276 IsEmpty]: Start isEmpty. Operand 3296 states and 4492 transitions. [2024-11-23 01:34:47,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-23 01:34:47,865 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:34:47,865 INFO L215 NwaCegarLoop]: trace histogram [28, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:34:47,886 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-23 01:34:48,065 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-23 01:34:48,066 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-23 01:34:48,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:34:48,067 INFO L85 PathProgramCache]: Analyzing trace with hash -115457822, now seen corresponding path program 2 times [2024-11-23 01:34:48,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:34:48,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332072153] [2024-11-23 01:34:48,067 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 01:34:48,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:34:48,311 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-23 01:34:48,312 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 01:34:49,003 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 7 proven. 287 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2024-11-23 01:34:49,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:34:49,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332072153] [2024-11-23 01:34:49,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1332072153] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 01:34:49,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1833919250] [2024-11-23 01:34:49,004 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 01:34:49,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 01:34:49,004 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 01:34:49,006 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 01:34:49,007 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-23 01:34:50,322 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-23 01:34:50,323 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 01:34:50,331 INFO L255 TraceCheckSpWp]: Trace formula consists of 1226 conjuncts, 260 conjuncts are in the unsatisfiable core [2024-11-23 01:34:50,342 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 01:34:50,344 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2024-11-23 01:34:50,465 INFO L349 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2024-11-23 01:34:50,465 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2024-11-23 01:34:50,495 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-11-23 01:34:50,547 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2024-11-23 01:34:50,880 INFO L349 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2024-11-23 01:34:50,880 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 41 [2024-11-23 01:34:50,963 INFO L349 Elim1Store]: treesize reduction 453, result has 0.2 percent of original size [2024-11-23 01:34:50,964 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 6522 treesize of output 4780 [2024-11-23 01:34:50,988 INFO L349 Elim1Store]: treesize reduction 453, result has 0.2 percent of original size [2024-11-23 01:34:50,989 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 5959 treesize of output 4353 [2024-11-23 01:34:51,008 INFO L349 Elim1Store]: treesize reduction 251, result has 0.4 percent of original size [2024-11-23 01:34:51,009 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 2429 treesize of output 1875 [2024-11-23 01:34:51,032 INFO L349 Elim1Store]: treesize reduction 353, result has 0.3 percent of original size [2024-11-23 01:34:51,032 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 9 new quantified variables, introduced 11 case distinctions, treesize of input 4912 treesize of output 3623 [2024-11-23 01:34:51,056 INFO L349 Elim1Store]: treesize reduction 353, result has 0.3 percent of original size [2024-11-23 01:34:51,057 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 9 new quantified variables, introduced 11 case distinctions, treesize of input 5343 treesize of output 3950 [2024-11-23 01:34:51,076 INFO L349 Elim1Store]: treesize reduction 59, result has 7.8 percent of original size [2024-11-23 01:34:51,077 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 2929 treesize of output 2050 [2024-11-23 01:34:51,089 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 54 [2024-11-23 01:34:51,093 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 52 treesize of output 1 [2024-11-23 01:34:51,172 INFO L349 Elim1Store]: treesize reduction 353, result has 0.3 percent of original size [2024-11-23 01:34:51,173 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 9 new quantified variables, introduced 11 case distinctions, treesize of input 4273 treesize of output 3144 [2024-11-23 01:34:51,194 INFO L349 Elim1Store]: treesize reduction 353, result has 0.3 percent of original size [2024-11-23 01:34:51,195 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 9 new quantified variables, introduced 11 case distinctions, treesize of input 4704 treesize of output 3471 [2024-11-23 01:34:51,213 INFO L349 Elim1Store]: treesize reduction 59, result has 7.8 percent of original size [2024-11-23 01:34:51,214 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 2525 treesize of output 1746 [2024-11-23 01:34:51,224 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 54 [2024-11-23 01:34:51,228 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 52 treesize of output 1 [2024-11-23 01:34:51,255 INFO L349 Elim1Store]: treesize reduction 59, result has 7.8 percent of original size [2024-11-23 01:34:51,255 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 2809 treesize of output 1968 [2024-11-23 01:34:51,267 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 26 [2024-11-23 01:34:51,288 INFO L349 Elim1Store]: treesize reduction 353, result has 0.3 percent of original size [2024-11-23 01:34:51,289 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 9 new quantified variables, introduced 11 case distinctions, treesize of input 4792 treesize of output 3541 [2024-11-23 01:34:51,309 INFO L349 Elim1Store]: treesize reduction 353, result has 0.3 percent of original size [2024-11-23 01:34:51,310 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 9 new quantified variables, introduced 11 case distinctions, treesize of input 5223 treesize of output 3868 [2024-11-23 01:34:51,329 INFO L349 Elim1Store]: treesize reduction 353, result has 0.3 percent of original size [2024-11-23 01:34:51,329 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 9 new quantified variables, introduced 11 case distinctions, treesize of input 4912 treesize of output 3623 [2024-11-23 01:34:51,352 INFO L349 Elim1Store]: treesize reduction 353, result has 0.3 percent of original size [2024-11-23 01:34:51,352 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 9 new quantified variables, introduced 11 case distinctions, treesize of input 5343 treesize of output 3950 [2024-11-23 01:34:51,366 INFO L349 Elim1Store]: treesize reduction 63, result has 1.6 percent of original size [2024-11-23 01:34:51,367 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 2929 treesize of output 1 [2024-11-23 01:34:51,391 INFO L349 Elim1Store]: treesize reduction 453, result has 0.2 percent of original size [2024-11-23 01:34:51,392 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 6570 treesize of output 4820 [2024-11-23 01:34:51,414 INFO L349 Elim1Store]: treesize reduction 453, result has 0.2 percent of original size [2024-11-23 01:34:51,415 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 7133 treesize of output 5247 [2024-11-23 01:34:51,434 INFO L349 Elim1Store]: treesize reduction 251, result has 0.4 percent of original size [2024-11-23 01:34:51,434 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 2604 treesize of output 2002 [2024-11-23 01:34:51,463 INFO L349 Elim1Store]: treesize reduction 453, result has 0.2 percent of original size [2024-11-23 01:34:51,463 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 7381 treesize of output 5431 [2024-11-23 01:34:51,481 INFO L349 Elim1Store]: treesize reduction 251, result has 0.4 percent of original size [2024-11-23 01:34:51,482 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 2794 treesize of output 2140 [2024-11-23 01:34:51,505 INFO L349 Elim1Store]: treesize reduction 453, result has 0.2 percent of original size [2024-11-23 01:34:51,505 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 6886 treesize of output 5056 [2024-11-23 01:34:51,522 INFO L349 Elim1Store]: treesize reduction 63, result has 1.6 percent of original size [2024-11-23 01:34:51,522 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 1547 treesize of output 1 [2024-11-23 01:34:51,538 INFO L349 Elim1Store]: treesize reduction 353, result has 0.3 percent of original size [2024-11-23 01:34:51,538 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 9 new quantified variables, introduced 11 case distinctions, treesize of input 4185 treesize of output 3074 [2024-11-23 01:34:51,554 INFO L349 Elim1Store]: treesize reduction 255, result has 0.4 percent of original size [2024-11-23 01:34:51,555 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 8 case distinctions, treesize of input 2264 treesize of output 1588 [2024-11-23 01:34:51,570 INFO L349 Elim1Store]: treesize reduction 251, result has 0.4 percent of original size [2024-11-23 01:34:51,570 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 2254 treesize of output 1748 [2024-11-23 01:34:51,590 INFO L349 Elim1Store]: treesize reduction 453, result has 0.2 percent of original size [2024-11-23 01:34:51,590 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 5348 treesize of output 3886 [2024-11-23 01:34:51,611 INFO L349 Elim1Store]: treesize reduction 453, result has 0.2 percent of original size [2024-11-23 01:34:51,611 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 5911 treesize of output 4313 [2024-11-23 01:34:51,628 INFO L349 Elim1Store]: treesize reduction 255, result has 0.4 percent of original size [2024-11-23 01:34:51,628 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 8 case distinctions, treesize of input 2601 treesize of output 1815 [2024-11-23 01:34:51,645 INFO L349 Elim1Store]: treesize reduction 353, result has 0.3 percent of original size [2024-11-23 01:34:51,646 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 9 new quantified variables, introduced 11 case distinctions, treesize of input 4824 treesize of output 3553 [2024-11-23 01:34:51,658 INFO L349 Elim1Store]: treesize reduction 63, result has 1.6 percent of original size [2024-11-23 01:34:51,659 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 2645 treesize of output 1 [2024-11-23 01:34:51,684 INFO L349 Elim1Store]: treesize reduction 453, result has 0.2 percent of original size [2024-11-23 01:34:51,685 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 6522 treesize of output 4780 [2024-11-23 01:34:51,709 INFO L349 Elim1Store]: treesize reduction 453, result has 0.2 percent of original size [2024-11-23 01:34:51,710 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 5959 treesize of output 4353 [2024-11-23 01:34:51,726 INFO L349 Elim1Store]: treesize reduction 251, result has 0.4 percent of original size [2024-11-23 01:34:51,727 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 2429 treesize of output 1875 [2024-11-23 01:34:51,743 INFO L349 Elim1Store]: treesize reduction 255, result has 0.4 percent of original size [2024-11-23 01:34:51,744 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 8 case distinctions, treesize of input 2481 treesize of output 1733 [2024-11-23 01:34:51,761 INFO L349 Elim1Store]: treesize reduction 353, result has 0.3 percent of original size [2024-11-23 01:34:51,761 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 9 new quantified variables, introduced 11 case distinctions, treesize of input 4704 treesize of output 3471 [2024-11-23 01:34:51,778 INFO L349 Elim1Store]: treesize reduction 63, result has 1.6 percent of original size [2024-11-23 01:34:51,778 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 2525 treesize of output 1 [2024-11-23 01:34:51,796 INFO L349 Elim1Store]: treesize reduction 255, result has 0.4 percent of original size [2024-11-23 01:34:51,796 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 8 case distinctions, treesize of input 2601 treesize of output 1815 [2024-11-23 01:34:51,813 INFO L349 Elim1Store]: treesize reduction 353, result has 0.3 percent of original size [2024-11-23 01:34:51,814 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 9 new quantified variables, introduced 11 case distinctions, treesize of input 4824 treesize of output 3553 [2024-11-23 01:34:51,828 INFO L349 Elim1Store]: treesize reduction 63, result has 1.6 percent of original size [2024-11-23 01:34:51,828 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 2645 treesize of output 1 [2024-11-23 01:34:51,854 INFO L349 Elim1Store]: treesize reduction 453, result has 0.2 percent of original size [2024-11-23 01:34:51,854 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 6275 treesize of output 4589 [2024-11-23 01:34:51,869 INFO L349 Elim1Store]: treesize reduction 251, result has 0.4 percent of original size [2024-11-23 01:34:51,870 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 2619 treesize of output 2013 [2024-11-23 01:34:51,893 INFO L349 Elim1Store]: treesize reduction 453, result has 0.2 percent of original size [2024-11-23 01:34:51,894 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 6770 treesize of output 4964 [2024-11-23 01:34:51,922 INFO L349 Elim1Store]: treesize reduction 453, result has 0.2 percent of original size [2024-11-23 01:34:51,923 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 6687 treesize of output 4917 [2024-11-23 01:34:51,941 INFO L349 Elim1Store]: treesize reduction 251, result has 0.4 percent of original size [2024-11-23 01:34:51,941 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 2536 treesize of output 1966 [2024-11-23 01:34:51,961 INFO L349 Elim1Store]: treesize reduction 453, result has 0.2 percent of original size [2024-11-23 01:34:51,961 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 6192 treesize of output 4542 [2024-11-23 01:34:51,980 INFO L349 Elim1Store]: treesize reduction 353, result has 0.3 percent of original size [2024-11-23 01:34:51,981 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 9 new quantified variables, introduced 11 case distinctions, treesize of input 4200 treesize of output 3105 [2024-11-23 01:34:52,002 INFO L349 Elim1Store]: treesize reduction 353, result has 0.3 percent of original size [2024-11-23 01:34:52,002 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 9 new quantified variables, introduced 11 case distinctions, treesize of input 4631 treesize of output 3432 [2024-11-23 01:34:52,013 INFO L349 Elim1Store]: treesize reduction 63, result has 1.6 percent of original size [2024-11-23 01:34:52,013 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 2452 treesize of output 1 [2024-11-23 01:34:52,039 INFO L349 Elim1Store]: treesize reduction 251, result has 0.4 percent of original size [2024-11-23 01:34:52,039 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 2346 treesize of output 1828 [2024-11-23 01:34:52,067 INFO L349 Elim1Store]: treesize reduction 453, result has 0.2 percent of original size [2024-11-23 01:34:52,068 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 6439 treesize of output 4733 [2024-11-23 01:34:52,090 INFO L349 Elim1Store]: treesize reduction 453, result has 0.2 percent of original size [2024-11-23 01:34:52,091 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 5876 treesize of output 4306 [2024-11-23 01:34:52,111 INFO L349 Elim1Store]: treesize reduction 353, result has 0.3 percent of original size [2024-11-23 01:34:52,111 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 9 new quantified variables, introduced 11 case distinctions, treesize of input 4751 treesize of output 3514 [2024-11-23 01:34:52,128 INFO L349 Elim1Store]: treesize reduction 353, result has 0.3 percent of original size [2024-11-23 01:34:52,129 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 9 new quantified variables, introduced 11 case distinctions, treesize of input 4320 treesize of output 3187 [2024-11-23 01:34:52,141 INFO L349 Elim1Store]: treesize reduction 63, result has 1.6 percent of original size [2024-11-23 01:34:52,142 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 2572 treesize of output 1 [2024-11-23 01:34:52,163 INFO L349 Elim1Store]: treesize reduction 353, result has 0.3 percent of original size [2024-11-23 01:34:52,164 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 9 new quantified variables, introduced 11 case distinctions, treesize of input 4751 treesize of output 3514 [2024-11-23 01:34:52,181 INFO L349 Elim1Store]: treesize reduction 353, result has 0.3 percent of original size [2024-11-23 01:34:52,182 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 9 new quantified variables, introduced 11 case distinctions, treesize of input 4320 treesize of output 3187 [2024-11-23 01:34:52,196 INFO L349 Elim1Store]: treesize reduction 63, result has 1.6 percent of original size [2024-11-23 01:34:52,196 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 2572 treesize of output 1 [2024-11-23 01:34:52,218 INFO L349 Elim1Store]: treesize reduction 453, result has 0.2 percent of original size [2024-11-23 01:34:52,219 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 5828 treesize of output 4266 [2024-11-23 01:34:52,238 INFO L349 Elim1Store]: treesize reduction 453, result has 0.2 percent of original size [2024-11-23 01:34:52,239 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 5265 treesize of output 3839 [2024-11-23 01:34:52,255 INFO L349 Elim1Store]: treesize reduction 251, result has 0.4 percent of original size [2024-11-23 01:34:52,255 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 2171 treesize of output 1701 [2024-11-23 01:34:52,276 INFO L349 Elim1Store]: treesize reduction 353, result has 0.3 percent of original size [2024-11-23 01:34:52,276 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 9 new quantified variables, introduced 11 case distinctions, treesize of input 3681 treesize of output 2708 [2024-11-23 01:34:52,293 INFO L349 Elim1Store]: treesize reduction 353, result has 0.3 percent of original size [2024-11-23 01:34:52,293 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 9 new quantified variables, introduced 11 case distinctions, treesize of input 4112 treesize of output 3035 [2024-11-23 01:34:52,305 INFO L349 Elim1Store]: treesize reduction 63, result has 1.6 percent of original size [2024-11-23 01:34:52,305 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 2168 treesize of output 1 [2024-11-23 01:34:52,510 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 7 [2024-11-23 01:34:56,618 INFO L349 Elim1Store]: treesize reduction 8, result has 65.2 percent of original size [2024-11-23 01:34:56,618 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 24 [2024-11-23 01:34:56,690 INFO L349 Elim1Store]: treesize reduction 207, result has 0.5 percent of original size [2024-11-23 01:34:56,690 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 648 treesize of output 424 [2024-11-23 01:34:56,709 INFO L349 Elim1Store]: treesize reduction 41, result has 2.4 percent of original size [2024-11-23 01:34:56,709 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 278 treesize of output 239 [2024-11-23 01:34:56,713 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 221 treesize of output 161 [2024-11-23 01:34:56,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 01:34:56,859 INFO L349 Elim1Store]: treesize reduction 629, result has 12.3 percent of original size [2024-11-23 01:34:56,859 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 7 new quantified variables, introduced 7 case distinctions, treesize of input 892 treesize of output 602 [2024-11-23 01:34:56,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-23 01:34:56,878 INFO L349 Elim1Store]: treesize reduction 35, result has 27.1 percent of original size [2024-11-23 01:34:56,878 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 329 treesize of output 248 [2024-11-23 01:34:57,488 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 13 treesize of output 9 [2024-11-23 01:34:57,606 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2024-11-23 01:34:57,748 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 34 [2024-11-23 01:34:57,931 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2024-11-23 01:34:58,228 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 58 [2024-11-23 01:34:58,644 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 70 [2024-11-23 01:34:59,259 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 82 [2024-11-23 01:35:00,050 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 94 [2024-11-23 01:35:01,104 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 106 [2024-11-23 01:35:02,514 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 118 [2024-11-23 01:35:04,106 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 130 [2024-11-23 01:35:06,009 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 142 [2024-11-23 01:35:08,548 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 78 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 154 [2024-11-23 01:35:19,261 INFO L349 Elim1Store]: treesize reduction 6136, result has 3.6 percent of original size [2024-11-23 01:35:19,262 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 136 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 995 treesize of output 588 [2024-11-23 01:35:19,294 INFO L349 Elim1Store]: treesize reduction 78, result has 17.9 percent of original size [2024-11-23 01:35:19,294 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 704 treesize of output 630 [2024-11-23 01:35:19,332 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 31 [2024-11-23 01:35:19,342 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2024-11-23 01:35:20,777 INFO L349 Elim1Store]: treesize reduction 325, result has 9.2 percent of original size [2024-11-23 01:35:20,778 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 536 treesize of output 231 [2024-11-23 01:35:20,798 INFO L349 Elim1Store]: treesize reduction 35, result has 27.1 percent of original size [2024-11-23 01:35:20,799 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 457 treesize of output 345 [2024-11-23 01:35:20,814 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 320 treesize of output 87 [2024-11-23 01:35:22,191 INFO L349 Elim1Store]: treesize reduction 110, result has 7.6 percent of original size [2024-11-23 01:35:22,192 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 7 case distinctions, treesize of input 464 treesize of output 315 [2024-11-23 01:35:22,196 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 11 [2024-11-23 01:35:22,204 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 374 treesize of output 294 [2024-11-23 01:35:22,210 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 290 treesize of output 181 [2024-11-23 01:35:22,217 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 81 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 166 treesize of output 193 [2024-11-23 01:35:22,230 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 152 treesize of output 75 [2024-11-23 01:35:22,848 INFO L349 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2024-11-23 01:35:22,848 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 174 treesize of output 106 [2024-11-23 01:35:22,853 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 71 [2024-11-23 01:35:23,926 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 12 proven. 398 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-23 01:35:23,926 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 01:35:25,018 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse12 (+ |c_ULTIMATE.start_main_~users~0#1.offset| 8))) (let ((.cse10 (select (select |c_#memory_$Pointer$#2.base| |c_ULTIMATE.start_main_~users~0#1.base|) .cse12)) (.cse11 (select (select |c_#memory_$Pointer$#2.offset| |c_ULTIMATE.start_main_~users~0#1.base|) .cse12))) (let ((.cse0 (mod |c_ULTIMATE.start_main_~_ha_bkt~0#1| 4294967296)) (.cse6 (select (select |c_#memory_$Pointer$#2.base| .cse10) .cse11))) (let ((.cse1 (select |c_#memory_$Pointer$#2.base| .cse6)) (.cse7 (select |c_#memory_int#2| .cse6)) (.cse4 (select (select |c_#memory_$Pointer$#2.offset| .cse10) .cse11)) (.cse5 (* .cse0 12))) (and (or (< 2147483647 .cse0) (forall ((v_ArrVal_6502 (Array Int Int)) (v_ArrVal_6501 (Array Int Int)) (v_ArrVal_6504 (Array Int Int)) (v_ArrVal_6503 (Array Int Int))) (let ((.cse2 (+ .cse4 .cse5 4))) (or (not (= v_ArrVal_6502 (store .cse1 .cse2 (select v_ArrVal_6502 .cse2)))) (let ((.cse3 (select (store (store (store |c_#memory_int#2| .cse6 (store .cse7 .cse2 (+ (select .cse7 .cse2) 1))) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_6503) (select (select (store (store |c_#memory_$Pointer$#2.base| .cse6 v_ArrVal_6502) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_6501) .cse6) (+ .cse4 .cse5)) v_ArrVal_6504) .cse6))) (< (mod (select .cse3 .cse2) 4294967296) (* 2 (mod (+ 5 (* 5 (select .cse3 (+ .cse4 .cse5 8)))) 2147483648)))))))) (or (< .cse0 2147483648) (forall ((v_ArrVal_6502 (Array Int Int)) (v_ArrVal_6501 (Array Int Int)) (v_ArrVal_6504 (Array Int Int)) (v_ArrVal_6503 (Array Int Int))) (let ((.cse8 (+ .cse4 .cse5 (- 51539607548)))) (or (not (= (store .cse1 .cse8 (select v_ArrVal_6502 .cse8)) v_ArrVal_6502)) (let ((.cse9 (select (store (store (store |c_#memory_int#2| .cse6 (store .cse7 .cse8 (+ (select .cse7 .cse8) 1))) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_6503) (select (select (store (store |c_#memory_$Pointer$#2.base| .cse6 v_ArrVal_6502) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_6501) .cse6) (+ (- 51539607552) .cse4 .cse5)) v_ArrVal_6504) .cse6))) (< (mod (select .cse9 .cse8) 4294967296) (* 2 (mod (+ (* (select .cse9 (+ (- 51539607544) .cse4 .cse5)) 5) 5) 2147483648))))))))))))) is different from false [2024-11-23 01:35:25,094 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse12 (+ |c_ULTIMATE.start_main_~users~0#1.offset| 8))) (let ((.cse10 (select (select |c_#memory_$Pointer$#2.base| |c_ULTIMATE.start_main_~users~0#1.base|) .cse12)) (.cse11 (select (select |c_#memory_$Pointer$#2.offset| |c_ULTIMATE.start_main_~users~0#1.base|) .cse12))) (let ((.cse0 (mod |c_ULTIMATE.start_main_#t~bitwise115#1| 4294967296)) (.cse6 (select (select |c_#memory_$Pointer$#2.base| .cse10) .cse11))) (let ((.cse7 (select |c_#memory_int#2| .cse6)) (.cse1 (select |c_#memory_$Pointer$#2.base| .cse6)) (.cse4 (* .cse0 12)) (.cse5 (select (select |c_#memory_$Pointer$#2.offset| .cse10) .cse11))) (and (or (< 2147483647 .cse0) (forall ((v_ArrVal_6502 (Array Int Int)) (v_ArrVal_6501 (Array Int Int)) (v_ArrVal_6504 (Array Int Int)) (v_ArrVal_6503 (Array Int Int))) (let ((.cse2 (+ .cse4 .cse5 4))) (or (not (= (store .cse1 .cse2 (select v_ArrVal_6502 .cse2)) v_ArrVal_6502)) (let ((.cse3 (select (store (store (store |c_#memory_int#2| .cse6 (store .cse7 .cse2 (+ (select .cse7 .cse2) 1))) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_6503) (select (select (store (store |c_#memory_$Pointer$#2.base| .cse6 v_ArrVal_6502) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_6501) .cse6) (+ .cse4 .cse5)) v_ArrVal_6504) .cse6))) (< (mod (select .cse3 .cse2) 4294967296) (* 2 (mod (+ 5 (* 5 (select .cse3 (+ .cse4 .cse5 8)))) 2147483648)))))))) (or (forall ((v_ArrVal_6502 (Array Int Int)) (v_ArrVal_6501 (Array Int Int)) (v_ArrVal_6504 (Array Int Int)) (v_ArrVal_6503 (Array Int Int))) (let ((.cse9 (+ .cse4 .cse5 (- 51539607548)))) (or (let ((.cse8 (select (store (store (store |c_#memory_int#2| .cse6 (store .cse7 .cse9 (+ (select .cse7 .cse9) 1))) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_6503) (select (select (store (store |c_#memory_$Pointer$#2.base| .cse6 v_ArrVal_6502) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_6501) .cse6) (+ .cse4 (- 51539607552) .cse5)) v_ArrVal_6504) .cse6))) (< (mod (select .cse8 .cse9) 4294967296) (* (mod (+ 5 (* 5 (select .cse8 (+ .cse4 (- 51539607544) .cse5)))) 2147483648) 2))) (not (= (store .cse1 .cse9 (select v_ArrVal_6502 .cse9)) v_ArrVal_6502))))) (< .cse0 2147483648))))))) is different from false [2024-11-23 01:35:25,111 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_6502 (Array Int Int)) (v_ArrVal_6501 (Array Int Int)) (v_ArrVal_6504 (Array Int Int)) (v_ArrVal_6503 (Array Int Int))) (let ((.cse7 (+ |c_ULTIMATE.start_main_~users~0#1.offset| 8))) (let ((.cse5 (select (select |c_#memory_$Pointer$#2.base| |c_ULTIMATE.start_main_~users~0#1.base|) .cse7)) (.cse6 (select (select |c_#memory_$Pointer$#2.offset| |c_ULTIMATE.start_main_~users~0#1.base|) .cse7))) (let ((.cse3 (select (select |c_#memory_$Pointer$#2.offset| .cse5) .cse6))) (let ((.cse1 (+ .cse3 4)) (.cse0 (select (select |c_#memory_$Pointer$#2.base| .cse5) .cse6))) (or (not (= v_ArrVal_6502 (store (select |c_#memory_$Pointer$#2.base| .cse0) .cse1 (select v_ArrVal_6502 .cse1)))) (let ((.cse2 (select (store (store (store |c_#memory_int#2| .cse0 (let ((.cse4 (select |c_#memory_int#2| .cse0))) (store .cse4 .cse1 (+ (select .cse4 .cse1) 1)))) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_6503) (select (select (store (store |c_#memory_$Pointer$#2.base| .cse0 v_ArrVal_6502) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_6501) .cse0) .cse3) v_ArrVal_6504) .cse0))) (< (mod (select .cse2 .cse1) 4294967296) (* 2 (mod (+ (* 5 (select .cse2 (+ .cse3 8))) 5) 2147483648)))))))))) is different from false [2024-11-23 01:35:25,192 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_6494 Int) (v_ArrVal_6496 (Array Int Int)) (v_ArrVal_6495 (Array Int Int)) (v_ArrVal_6502 (Array Int Int)) (v_ArrVal_6501 (Array Int Int)) (v_ArrVal_6504 (Array Int Int)) (v_ArrVal_6503 (Array Int Int))) (let ((.cse12 (+ |c_ULTIMATE.start_main_~users~0#1.offset| 8))) (let ((.cse1 (+ (select (select |c_#memory_$Pointer$#2.offset| |c_ULTIMATE.start_main_~users~0#1.base|) .cse12) 12)) (.cse0 (select (select |c_#memory_$Pointer$#2.base| |c_ULTIMATE.start_main_~users~0#1.base|) .cse12))) (let ((.cse11 (store |c_#memory_$Pointer$#2.offset| .cse0 v_ArrVal_6496)) (.cse2 (store |c_#memory_$Pointer$#2.base| .cse0 (store (select |c_#memory_$Pointer$#2.base| .cse0) .cse1 v_ArrVal_6494)))) (let ((.cse9 (select (select .cse2 |c_ULTIMATE.start_main_~users~0#1.base|) .cse12)) (.cse10 (select (select .cse11 |c_ULTIMATE.start_main_~users~0#1.base|) .cse12))) (let ((.cse6 (select (select .cse11 .cse9) .cse10))) (let ((.cse4 (+ .cse6 4)) (.cse3 (select (select .cse2 .cse9) .cse10))) (or (not (= v_ArrVal_6496 (store (select |c_#memory_$Pointer$#2.offset| .cse0) .cse1 (select v_ArrVal_6496 .cse1)))) (not (= (store (select .cse2 .cse3) .cse4 (select v_ArrVal_6502 .cse4)) v_ArrVal_6502)) (let ((.cse5 (select (store (store (let ((.cse7 (store |c_#memory_int#2| .cse0 v_ArrVal_6495))) (store .cse7 .cse3 (let ((.cse8 (select .cse7 .cse3))) (store .cse8 .cse4 (+ (select .cse8 .cse4) 1))))) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_6503) (select (select (store (store .cse2 .cse3 v_ArrVal_6502) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_6501) .cse3) .cse6) v_ArrVal_6504) .cse3))) (< (mod (select .cse5 .cse4) 4294967296) (* (mod (+ 5 (* (select .cse5 (+ .cse6 8)) 5)) 2147483648) 2))))))))))) is different from false [2024-11-23 01:35:25,259 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_6494 Int) (v_ArrVal_6496 (Array Int Int)) (v_ArrVal_6495 (Array Int Int)) (v_ArrVal_6502 (Array Int Int)) (v_ArrVal_6501 (Array Int Int)) (v_ArrVal_6504 (Array Int Int)) (v_ArrVal_6503 (Array Int Int))) (let ((.cse12 (+ |c_ULTIMATE.start_main_~user~0#1.offset| 8))) (let ((.cse1 (+ (select (select |c_#memory_$Pointer$#2.offset| |c_ULTIMATE.start_main_~user~0#1.base|) .cse12) 12)) (.cse0 (select (select |c_#memory_$Pointer$#2.base| |c_ULTIMATE.start_main_~user~0#1.base|) .cse12))) (let ((.cse11 (store |c_#memory_$Pointer$#2.offset| .cse0 v_ArrVal_6496)) (.cse2 (store |c_#memory_$Pointer$#2.base| .cse0 (store (select |c_#memory_$Pointer$#2.base| .cse0) .cse1 v_ArrVal_6494)))) (let ((.cse9 (select (select .cse2 |c_ULTIMATE.start_main_~user~0#1.base|) .cse12)) (.cse10 (select (select .cse11 |c_ULTIMATE.start_main_~user~0#1.base|) .cse12))) (let ((.cse6 (select (select .cse11 .cse9) .cse10))) (let ((.cse4 (+ .cse6 4)) (.cse3 (select (select .cse2 .cse9) .cse10))) (or (not (= v_ArrVal_6496 (store (select |c_#memory_$Pointer$#2.offset| .cse0) .cse1 (select v_ArrVal_6496 .cse1)))) (not (= (store (select .cse2 .cse3) .cse4 (select v_ArrVal_6502 .cse4)) v_ArrVal_6502)) (let ((.cse5 (select (store (store (let ((.cse7 (store |c_#memory_int#2| .cse0 v_ArrVal_6495))) (store .cse7 .cse3 (let ((.cse8 (select .cse7 .cse3))) (store .cse8 .cse4 (+ (select .cse8 .cse4) 1))))) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_6503) (select (select (store (store .cse2 .cse3 v_ArrVal_6502) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_6501) .cse3) .cse6) v_ArrVal_6504) .cse3))) (< (mod (select .cse5 .cse4) 4294967296) (* 2 (mod (+ (* 5 (select .cse5 (+ .cse6 8))) 5) 2147483648)))))))))))) is different from false