./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test6-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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_JEN_test6-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3012c2825f53c0db53d950c12df6540de859b34b2bef033c36a98846352dedd3 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 14:41:41,721 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 14:41:41,792 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-09 14:41:41,797 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 14:41:41,798 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 14:41:41,846 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 14:41:41,847 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 14:41:41,847 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 14:41:41,848 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 14:41:41,848 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 14:41:41,849 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 14:41:41,849 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 14:41:41,851 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 14:41:41,852 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 14:41:41,854 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 14:41:41,855 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 14:41:41,855 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 14:41:41,855 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 14:41:41,856 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 14:41:41,856 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 14:41:41,856 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 14:41:41,858 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 14:41:41,858 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 14:41:41,858 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 14:41:41,859 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 14:41:41,859 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 14:41:41,859 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 14:41:41,859 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 14:41:41,860 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 14:41:41,860 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 14:41:41,860 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 14:41:41,860 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 14:41:41,860 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 14:41:41,861 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 14:41:41,861 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 14:41:41,862 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 14:41:41,863 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 14:41:41,863 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 14:41:41,863 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 14:41:41,863 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 14:41:41,864 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 14:41:41,864 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 14:41:41,864 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 14:41:41,865 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 14:41:41,865 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3012c2825f53c0db53d950c12df6540de859b34b2bef033c36a98846352dedd3 [2024-11-09 14:41:42,124 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 14:41:42,149 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 14:41:42,152 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 14:41:42,153 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 14:41:42,153 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 14:41:42,154 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test6-1.i [2024-11-09 14:41:43,641 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 14:41:43,954 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 14:41:43,955 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test6-1.i [2024-11-09 14:41:43,981 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/722f5467d/8a200d7f84f3483696baac002d94890b/FLAG14541761f [2024-11-09 14:41:43,996 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/722f5467d/8a200d7f84f3483696baac002d94890b [2024-11-09 14:41:43,998 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 14:41:43,999 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 14:41:44,001 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 14:41:44,001 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 14:41:44,007 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 14:41:44,007 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 02:41:43" (1/1) ... [2024-11-09 14:41:44,008 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73273ed6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:41:44, skipping insertion in model container [2024-11-09 14:41:44,008 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 02:41:43" (1/1) ... [2024-11-09 14:41:44,078 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 14:41:44,763 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 14:41:44,779 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 14:41:44,914 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 14:41:44,973 INFO L204 MainTranslator]: Completed translation [2024-11-09 14:41:44,973 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:41:44 WrapperNode [2024-11-09 14:41:44,973 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 14:41:44,974 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 14:41:44,974 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 14:41:44,974 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 14:41:44,980 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:41:44" (1/1) ... [2024-11-09 14:41:45,012 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:41:44" (1/1) ... [2024-11-09 14:41:45,108 INFO L138 Inliner]: procedures = 282, calls = 300, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 1487 [2024-11-09 14:41:45,108 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 14:41:45,110 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 14:41:45,110 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 14:41:45,110 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 14:41:45,121 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:41:44" (1/1) ... [2024-11-09 14:41:45,121 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:41:44" (1/1) ... [2024-11-09 14:41:45,130 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:41:44" (1/1) ... [2024-11-09 14:41:45,215 INFO L175 MemorySlicer]: Split 268 memory accesses to 4 slices as follows [2, 12, 220, 34]. 82 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 10, 0, 0]. The 54 writes are split as follows [0, 1, 49, 4]. [2024-11-09 14:41:45,215 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:41:44" (1/1) ... [2024-11-09 14:41:45,215 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:41:44" (1/1) ... [2024-11-09 14:41:45,262 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:41:44" (1/1) ... [2024-11-09 14:41:45,279 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:41:44" (1/1) ... [2024-11-09 14:41:45,285 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:41:44" (1/1) ... [2024-11-09 14:41:45,294 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:41:44" (1/1) ... [2024-11-09 14:41:45,308 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 14:41:45,309 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 14:41:45,310 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 14:41:45,310 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 14:41:45,311 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:41:44" (1/1) ... [2024-11-09 14:41:45,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 14:41:45,327 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 14:41:45,347 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) [2024-11-09 14:41:45,351 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 [2024-11-09 14:41:45,397 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-09 14:41:45,397 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-09 14:41:45,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 14:41:45,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-09 14:41:45,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-09 14:41:45,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-09 14:41:45,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-09 14:41:45,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 14:41:45,398 INFO L130 BoogieDeclarations]: Found specification of procedure alt_bzero [2024-11-09 14:41:45,402 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_bzero [2024-11-09 14:41:45,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 14:41:45,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 14:41:45,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-09 14:41:45,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-09 14:41:45,403 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 14:41:45,403 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 14:41:45,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 14:41:45,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 14:41:45,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-09 14:41:45,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-09 14:41:45,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 14:41:45,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 14:41:45,404 INFO L130 BoogieDeclarations]: Found specification of procedure alt_malloc [2024-11-09 14:41:45,404 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_malloc [2024-11-09 14:41:45,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-09 14:41:45,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-09 14:41:45,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-09 14:41:45,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-09 14:41:45,404 INFO L130 BoogieDeclarations]: Found specification of procedure alt_free [2024-11-09 14:41:45,404 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_free [2024-11-09 14:41:45,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 14:41:45,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 14:41:45,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 14:41:45,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-09 14:41:45,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 14:41:45,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 14:41:45,625 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 14:41:45,627 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 14:41:47,018 INFO L? ?]: Removed 345 outVars from TransFormulas that were not future-live. [2024-11-09 14:41:47,019 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 14:41:47,046 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 14:41:47,049 INFO L316 CfgBuilder]: Removed 63 assume(true) statements. [2024-11-09 14:41:47,050 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 02:41:47 BoogieIcfgContainer [2024-11-09 14:41:47,050 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 14:41:47,053 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 14:41:47,053 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 14:41:47,056 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 14:41:47,057 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 02:41:43" (1/3) ... [2024-11-09 14:41:47,057 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a6a91c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 02:41:47, skipping insertion in model container [2024-11-09 14:41:47,058 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:41:44" (2/3) ... [2024-11-09 14:41:47,058 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a6a91c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 02:41:47, skipping insertion in model container [2024-11-09 14:41:47,058 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 02:41:47" (3/3) ... [2024-11-09 14:41:47,060 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test6-1.i [2024-11-09 14:41:47,074 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 14:41:47,075 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2024-11-09 14:41:47,150 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 14:41:47,157 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;@4963b67d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 14:41:47,157 INFO L334 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2024-11-09 14:41:47,165 INFO L276 IsEmpty]: Start isEmpty. Operand has 462 states, 425 states have (on average 1.6070588235294119) internal successors, (683), 442 states have internal predecessors, (683), 18 states have call successors, (18), 5 states have call predecessors, (18), 5 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-09 14:41:47,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 14:41:47,172 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:41:47,173 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 14:41:47,173 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)] === [2024-11-09 14:41:47,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:41:47,178 INFO L85 PathProgramCache]: Analyzing trace with hash 1635847084, now seen corresponding path program 1 times [2024-11-09 14:41:47,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:41:47,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607602072] [2024-11-09 14:41:47,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:41:47,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:41:47,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:41:47,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 14:41:47,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:41:47,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607602072] [2024-11-09 14:41:47,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1607602072] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:41:47,400 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 14:41:47,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 14:41:47,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027645148] [2024-11-09 14:41:47,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:41:47,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 14:41:47,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:41:47,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 14:41:47,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 14:41:47,442 INFO L87 Difference]: Start difference. First operand has 462 states, 425 states have (on average 1.6070588235294119) internal successors, (683), 442 states have internal predecessors, (683), 18 states have call successors, (18), 5 states have call predecessors, (18), 5 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 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) [2024-11-09 14:41:47,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:41:47,528 INFO L93 Difference]: Finished difference Result 917 states and 1441 transitions. [2024-11-09 14:41:47,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 14:41:47,532 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 [2024-11-09 14:41:47,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:41:47,549 INFO L225 Difference]: With dead ends: 917 [2024-11-09 14:41:47,550 INFO L226 Difference]: Without dead ends: 443 [2024-11-09 14:41:47,558 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 [2024-11-09 14:41:47,562 INFO L432 NwaCegarLoop]: 641 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, 641 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 [2024-11-09 14:41:47,564 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 641 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 14:41:47,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2024-11-09 14:41:47,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 443. [2024-11-09 14:41:47,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 443 states, 415 states have (on average 1.4481927710843374) internal successors, (601), 429 states have internal predecessors, (601), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-09 14:41:47,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 621 transitions. [2024-11-09 14:41:47,680 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 621 transitions. Word has length 8 [2024-11-09 14:41:47,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:41:47,680 INFO L471 AbstractCegarLoop]: Abstraction has 443 states and 621 transitions. [2024-11-09 14:41:47,682 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) [2024-11-09 14:41:47,682 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 621 transitions. [2024-11-09 14:41:47,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 14:41:47,682 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:41:47,683 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 14:41:47,683 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 14:41:47,683 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)] === [2024-11-09 14:41:47,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:41:47,684 INFO L85 PathProgramCache]: Analyzing trace with hash 1635849006, now seen corresponding path program 1 times [2024-11-09 14:41:47,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:41:47,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851312615] [2024-11-09 14:41:47,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:41:47,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:41:47,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 14:41:47,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1758423904] [2024-11-09 14:41:47,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:41:47,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 14:41:47,755 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 14:41:47,757 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) [2024-11-09 14:41:47,759 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 14:41:47,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:41:47,944 INFO L255 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 14:41:47,950 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 14:41:47,997 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 [2024-11-09 14:41:48,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 14:41:48,033 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 14:41:48,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:41:48,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851312615] [2024-11-09 14:41:48,034 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 14:41:48,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1758423904] [2024-11-09 14:41:48,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1758423904] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:41:48,036 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 14:41:48,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 14:41:48,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866674572] [2024-11-09 14:41:48,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:41:48,038 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 14:41:48,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:41:48,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 14:41:48,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 14:41:48,040 INFO L87 Difference]: Start difference. First operand 443 states and 621 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) [2024-11-09 14:41:48,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:41:48,235 INFO L93 Difference]: Finished difference Result 852 states and 1209 transitions. [2024-11-09 14:41:48,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 14:41:48,236 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 [2024-11-09 14:41:48,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:41:48,241 INFO L225 Difference]: With dead ends: 852 [2024-11-09 14:41:48,241 INFO L226 Difference]: Without dead ends: 850 [2024-11-09 14:41:48,241 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 [2024-11-09 14:41:48,243 INFO L432 NwaCegarLoop]: 597 mSDtfsCounter, 562 mSDsluCounter, 1183 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 571 SdHoareTripleChecker+Valid, 1780 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 14:41:48,243 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [571 Valid, 1780 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 14:41:48,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 850 states. [2024-11-09 14:41:48,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 850 to 450. [2024-11-09 14:41:48,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 422 states have (on average 1.4431279620853081) internal successors, (609), 436 states have internal predecessors, (609), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-09 14:41:48,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 629 transitions. [2024-11-09 14:41:48,295 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 629 transitions. Word has length 8 [2024-11-09 14:41:48,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:41:48,296 INFO L471 AbstractCegarLoop]: Abstraction has 450 states and 629 transitions. [2024-11-09 14:41:48,296 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) [2024-11-09 14:41:48,296 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 629 transitions. [2024-11-09 14:41:48,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-09 14:41:48,299 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:41:48,299 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] [2024-11-09 14:41:48,318 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-09 14:41:48,503 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 [2024-11-09 14:41:48,504 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-09 14:41:48,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:41:48,505 INFO L85 PathProgramCache]: Analyzing trace with hash 185472285, now seen corresponding path program 1 times [2024-11-09 14:41:48,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:41:48,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598360605] [2024-11-09 14:41:48,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:41:48,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:41:48,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:41:48,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 14:41:48,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:41:48,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598360605] [2024-11-09 14:41:48,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1598360605] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:41:48,790 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 14:41:48,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 14:41:48,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730103749] [2024-11-09 14:41:48,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:41:48,792 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 14:41:48,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:41:48,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 14:41:48,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 14:41:48,793 INFO L87 Difference]: Start difference. First operand 450 states and 629 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) [2024-11-09 14:41:48,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:41:48,886 INFO L93 Difference]: Finished difference Result 894 states and 1251 transitions. [2024-11-09 14:41:48,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 14:41:48,887 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 [2024-11-09 14:41:48,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:41:48,890 INFO L225 Difference]: With dead ends: 894 [2024-11-09 14:41:48,890 INFO L226 Difference]: Without dead ends: 453 [2024-11-09 14:41:48,891 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 [2024-11-09 14:41:48,892 INFO L432 NwaCegarLoop]: 593 mSDtfsCounter, 105 mSDsluCounter, 1093 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 1686 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 14:41:48,892 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 1686 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 14:41:48,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2024-11-09 14:41:48,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 450. [2024-11-09 14:41:48,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 422 states have (on average 1.4265402843601895) internal successors, (602), 436 states have internal predecessors, (602), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-09 14:41:48,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 622 transitions. [2024-11-09 14:41:48,912 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 622 transitions. Word has length 64 [2024-11-09 14:41:48,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:41:48,913 INFO L471 AbstractCegarLoop]: Abstraction has 450 states and 622 transitions. [2024-11-09 14:41:48,913 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) [2024-11-09 14:41:48,913 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 622 transitions. [2024-11-09 14:41:48,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-09 14:41:48,916 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:41:48,916 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] [2024-11-09 14:41:48,916 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 14:41:48,916 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)] === [2024-11-09 14:41:48,917 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:41:48,917 INFO L85 PathProgramCache]: Analyzing trace with hash -878727663, now seen corresponding path program 1 times [2024-11-09 14:41:48,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:41:48,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316880782] [2024-11-09 14:41:48,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:41:48,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:41:49,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:41:49,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 14:41:49,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:41:49,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316880782] [2024-11-09 14:41:49,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316880782] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:41:49,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 14:41:49,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 14:41:49,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943932473] [2024-11-09 14:41:49,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:41:49,209 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 14:41:49,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:41:49,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 14:41:49,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 14:41:49,210 INFO L87 Difference]: Start difference. First operand 450 states and 622 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) [2024-11-09 14:41:49,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:41:49,273 INFO L93 Difference]: Finished difference Result 820 states and 1146 transitions. [2024-11-09 14:41:49,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 14:41:49,274 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 [2024-11-09 14:41:49,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:41:49,280 INFO L225 Difference]: With dead ends: 820 [2024-11-09 14:41:49,281 INFO L226 Difference]: Without dead ends: 816 [2024-11-09 14:41:49,281 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 [2024-11-09 14:41:49,283 INFO L432 NwaCegarLoop]: 609 mSDtfsCounter, 456 mSDsluCounter, 1211 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 456 SdHoareTripleChecker+Valid, 1820 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 14:41:49,284 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [456 Valid, 1820 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 14:41:49,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 816 states. [2024-11-09 14:41:49,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 816 to 808. [2024-11-09 14:41:49,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 808 states, 777 states have (on average 1.4362934362934363) internal successors, (1116), 792 states have internal predecessors, (1116), 13 states have call successors, (13), 6 states have call predecessors, (13), 4 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-09 14:41:49,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 808 states and 1142 transitions. [2024-11-09 14:41:49,311 INFO L78 Accepts]: Start accepts. Automaton has 808 states and 1142 transitions. Word has length 64 [2024-11-09 14:41:49,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:41:49,312 INFO L471 AbstractCegarLoop]: Abstraction has 808 states and 1142 transitions. [2024-11-09 14:41:49,312 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) [2024-11-09 14:41:49,312 INFO L276 IsEmpty]: Start isEmpty. Operand 808 states and 1142 transitions. [2024-11-09 14:41:49,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-09 14:41:49,319 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:41:49,320 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] [2024-11-09 14:41:49,320 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 14:41:49,320 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-09 14:41:49,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:41:49,320 INFO L85 PathProgramCache]: Analyzing trace with hash 1138317444, now seen corresponding path program 1 times [2024-11-09 14:41:49,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:41:49,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457921645] [2024-11-09 14:41:49,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:41:49,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:41:49,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:41:49,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 14:41:49,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:41:49,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457921645] [2024-11-09 14:41:49,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457921645] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:41:49,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 14:41:49,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 14:41:49,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561937232] [2024-11-09 14:41:49,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:41:49,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 14:41:49,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:41:49,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 14:41:49,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 14:41:49,573 INFO L87 Difference]: Start difference. First operand 808 states and 1142 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 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) [2024-11-09 14:41:49,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:41:49,705 INFO L93 Difference]: Finished difference Result 1821 states and 2600 transitions. [2024-11-09 14:41:49,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 14:41:49,706 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 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 70 [2024-11-09 14:41:49,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:41:49,715 INFO L225 Difference]: With dead ends: 1821 [2024-11-09 14:41:49,715 INFO L226 Difference]: Without dead ends: 1421 [2024-11-09 14:41:49,718 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 [2024-11-09 14:41:49,719 INFO L432 NwaCegarLoop]: 633 mSDtfsCounter, 557 mSDsluCounter, 1215 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 566 SdHoareTripleChecker+Valid, 1848 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 14:41:49,719 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [566 Valid, 1848 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 14:41:49,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1421 states. [2024-11-09 14:41:49,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1421 to 808. [2024-11-09 14:41:49,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 808 states, 777 states have (on average 1.435006435006435) internal successors, (1115), 792 states have internal predecessors, (1115), 13 states have call successors, (13), 6 states have call predecessors, (13), 4 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-09 14:41:49,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 808 states and 1141 transitions. [2024-11-09 14:41:49,752 INFO L78 Accepts]: Start accepts. Automaton has 808 states and 1141 transitions. Word has length 70 [2024-11-09 14:41:49,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:41:49,753 INFO L471 AbstractCegarLoop]: Abstraction has 808 states and 1141 transitions. [2024-11-09 14:41:49,754 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 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) [2024-11-09 14:41:49,754 INFO L276 IsEmpty]: Start isEmpty. Operand 808 states and 1141 transitions. [2024-11-09 14:41:49,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-09 14:41:49,755 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:41:49,755 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] [2024-11-09 14:41:49,756 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 14:41:49,756 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)] === [2024-11-09 14:41:49,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:41:49,757 INFO L85 PathProgramCache]: Analyzing trace with hash -238535306, now seen corresponding path program 1 times [2024-11-09 14:41:49,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:41:49,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395791899] [2024-11-09 14:41:49,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:41:49,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:41:49,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:41:49,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-09 14:41:49,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:41:49,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 14:41:49,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:41:49,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395791899] [2024-11-09 14:41:49,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1395791899] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:41:49,999 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 14:41:49,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 14:41:49,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283723151] [2024-11-09 14:41:49,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:41:50,000 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 14:41:50,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:41:50,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 14:41:50,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 14:41:50,002 INFO L87 Difference]: Start difference. First operand 808 states and 1141 transitions. Second operand has 4 states, 3 states have (on average 23.666666666666668) 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) [2024-11-09 14:41:50,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:41:50,155 INFO L93 Difference]: Finished difference Result 1038 states and 1455 transitions. [2024-11-09 14:41:50,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 14:41:50,155 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.666666666666668) 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 [2024-11-09 14:41:50,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:41:50,162 INFO L225 Difference]: With dead ends: 1038 [2024-11-09 14:41:50,162 INFO L226 Difference]: Without dead ends: 1036 [2024-11-09 14:41:50,163 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 14:41:50,163 INFO L432 NwaCegarLoop]: 595 mSDtfsCounter, 513 mSDsluCounter, 1157 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 514 SdHoareTripleChecker+Valid, 1752 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 14:41:50,165 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [514 Valid, 1752 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 14:41:50,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1036 states. [2024-11-09 14:41:50,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1036 to 1026. [2024-11-09 14:41:50,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1026 states, 987 states have (on average 1.4356636271529888) internal successors, (1417), 1003 states have internal predecessors, (1417), 18 states have call successors, (18), 9 states have call predecessors, (18), 7 states have return successors, (18), 15 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-09 14:41:50,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1026 states to 1026 states and 1453 transitions. [2024-11-09 14:41:50,197 INFO L78 Accepts]: Start accepts. Automaton has 1026 states and 1453 transitions. Word has length 74 [2024-11-09 14:41:50,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:41:50,197 INFO L471 AbstractCegarLoop]: Abstraction has 1026 states and 1453 transitions. [2024-11-09 14:41:50,197 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.666666666666668) 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) [2024-11-09 14:41:50,197 INFO L276 IsEmpty]: Start isEmpty. Operand 1026 states and 1453 transitions. [2024-11-09 14:41:50,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-09 14:41:50,200 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:41:50,200 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] [2024-11-09 14:41:50,200 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 14:41:50,200 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)] === [2024-11-09 14:41:50,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:41:50,201 INFO L85 PathProgramCache]: Analyzing trace with hash -676007271, now seen corresponding path program 1 times [2024-11-09 14:41:50,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:41:50,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476524899] [2024-11-09 14:41:50,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:41:50,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:41:50,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:41:50,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-09 14:41:50,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:41:50,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 14:41:50,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:41:50,685 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 14:41:50,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:41:50,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476524899] [2024-11-09 14:41:50,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476524899] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 14:41:50,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2102178122] [2024-11-09 14:41:50,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:41:50,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 14:41:50,687 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 14:41:50,689 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) [2024-11-09 14:41:50,691 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 14:41:50,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:41:50,948 INFO L255 TraceCheckSpWp]: Trace formula consists of 506 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 14:41:50,952 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 14:41:51,042 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 14:41:51,043 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 14:41:51,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2102178122] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:41:51,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 14:41:51,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 11 [2024-11-09 14:41:51,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663165505] [2024-11-09 14:41:51,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:41:51,045 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 14:41:51,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:41:51,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 14:41:51,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-11-09 14:41:51,046 INFO L87 Difference]: Start difference. First operand 1026 states and 1453 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) [2024-11-09 14:41:51,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:41:51,130 INFO L93 Difference]: Finished difference Result 1394 states and 1975 transitions. [2024-11-09 14:41:51,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 14:41:51,131 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 [2024-11-09 14:41:51,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:41:51,139 INFO L225 Difference]: With dead ends: 1394 [2024-11-09 14:41:51,139 INFO L226 Difference]: Without dead ends: 1393 [2024-11-09 14:41:51,139 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2024-11-09 14:41:51,140 INFO L432 NwaCegarLoop]: 605 mSDtfsCounter, 579 mSDsluCounter, 1739 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 579 SdHoareTripleChecker+Valid, 2344 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 14:41:51,140 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [579 Valid, 2344 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 14:41:51,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1393 states. [2024-11-09 14:41:51,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1393 to 1189. [2024-11-09 14:41:51,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1189 states, 1148 states have (on average 1.4355400696864111) internal successors, (1648), 1165 states have internal predecessors, (1648), 20 states have call successors, (20), 10 states have call predecessors, (20), 7 states have return successors, (20), 15 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-09 14:41:51,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1189 states to 1189 states and 1688 transitions. [2024-11-09 14:41:51,184 INFO L78 Accepts]: Start accepts. Automaton has 1189 states and 1688 transitions. Word has length 83 [2024-11-09 14:41:51,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:41:51,184 INFO L471 AbstractCegarLoop]: Abstraction has 1189 states and 1688 transitions. [2024-11-09 14:41:51,185 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) [2024-11-09 14:41:51,185 INFO L276 IsEmpty]: Start isEmpty. Operand 1189 states and 1688 transitions. [2024-11-09 14:41:51,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-09 14:41:51,186 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:41:51,187 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] [2024-11-09 14:41:51,206 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 14:41:51,388 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 [2024-11-09 14:41:51,388 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)] === [2024-11-09 14:41:51,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:41:51,389 INFO L85 PathProgramCache]: Analyzing trace with hash 518611120, now seen corresponding path program 1 times [2024-11-09 14:41:51,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:41:51,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361516697] [2024-11-09 14:41:51,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:41:51,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:41:51,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:41:51,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-09 14:41:51,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:41:51,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 14:41:51,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:41:51,764 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 14:41:51,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:41:51,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361516697] [2024-11-09 14:41:51,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361516697] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 14:41:51,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [131166311] [2024-11-09 14:41:51,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:41:51,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 14:41:51,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 14:41:51,766 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) [2024-11-09 14:41:51,768 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 14:41:52,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:41:52,027 INFO L255 TraceCheckSpWp]: Trace formula consists of 507 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 14:41:52,030 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 14:41:52,181 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 14:41:52,182 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 14:41:52,442 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 14:41:52,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [131166311] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 14:41:52,442 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 14:41:52,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 7] total 18 [2024-11-09 14:41:52,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282591402] [2024-11-09 14:41:52,443 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 14:41:52,443 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-09 14:41:52,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:41:52,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-09 14:41:52,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=269, Unknown=0, NotChecked=0, Total=342 [2024-11-09 14:41:52,445 INFO L87 Difference]: Start difference. First operand 1189 states and 1688 transitions. Second operand has 19 states, 18 states have (on average 12.555555555555555) internal successors, (226), 15 states have internal predecessors, (226), 5 states have call successors, (8), 7 states have call predecessors, (8), 5 states have return successors, (6), 2 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-09 14:41:54,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:41:54,126 INFO L93 Difference]: Finished difference Result 3238 states and 4588 transitions. [2024-11-09 14:41:54,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-09 14:41:54,127 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 12.555555555555555) internal successors, (226), 15 states have internal predecessors, (226), 5 states have call successors, (8), 7 states have call predecessors, (8), 5 states have return successors, (6), 2 states have call predecessors, (6), 5 states have call successors, (6) Word has length 84 [2024-11-09 14:41:54,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:41:54,141 INFO L225 Difference]: With dead ends: 3238 [2024-11-09 14:41:54,141 INFO L226 Difference]: Without dead ends: 3236 [2024-11-09 14:41:54,143 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 436 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=542, Invalid=1350, Unknown=0, NotChecked=0, Total=1892 [2024-11-09 14:41:54,144 INFO L432 NwaCegarLoop]: 663 mSDtfsCounter, 6424 mSDsluCounter, 6422 mSDsCounter, 0 mSdLazyCounter, 562 mSolverCounterSat, 236 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6434 SdHoareTripleChecker+Valid, 7085 SdHoareTripleChecker+Invalid, 798 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 236 IncrementalHoareTripleChecker+Valid, 562 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-09 14:41:54,144 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6434 Valid, 7085 Invalid, 798 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [236 Valid, 562 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-09 14:41:54,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3236 states. [2024-11-09 14:41:54,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3236 to 2747. [2024-11-09 14:41:54,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2747 states, 2659 states have (on average 1.4287326062429484) internal successors, (3799), 2678 states have internal predecessors, (3799), 56 states have call successors, (56), 23 states have call predecessors, (56), 18 states have return successors, (79), 45 states have call predecessors, (79), 56 states have call successors, (79) [2024-11-09 14:41:54,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2747 states to 2747 states and 3934 transitions. [2024-11-09 14:41:54,230 INFO L78 Accepts]: Start accepts. Automaton has 2747 states and 3934 transitions. Word has length 84 [2024-11-09 14:41:54,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:41:54,231 INFO L471 AbstractCegarLoop]: Abstraction has 2747 states and 3934 transitions. [2024-11-09 14:41:54,231 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 12.555555555555555) internal successors, (226), 15 states have internal predecessors, (226), 5 states have call successors, (8), 7 states have call predecessors, (8), 5 states have return successors, (6), 2 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-09 14:41:54,231 INFO L276 IsEmpty]: Start isEmpty. Operand 2747 states and 3934 transitions. [2024-11-09 14:41:54,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-09 14:41:54,232 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:41:54,233 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] [2024-11-09 14:41:54,251 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-09 14:41:54,433 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 [2024-11-09 14:41:54,434 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)] === [2024-11-09 14:41:54,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:41:54,434 INFO L85 PathProgramCache]: Analyzing trace with hash -1558756002, now seen corresponding path program 1 times [2024-11-09 14:41:54,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:41:54,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042427958] [2024-11-09 14:41:54,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:41:54,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:41:54,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:41:54,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 14:41:54,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:41:54,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042427958] [2024-11-09 14:41:54,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2042427958] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:41:54,541 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 14:41:54,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 14:41:54,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402123563] [2024-11-09 14:41:54,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:41:54,542 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 14:41:54,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:41:54,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 14:41:54,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 14:41:54,543 INFO L87 Difference]: Start difference. First operand 2747 states and 3934 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) [2024-11-09 14:41:54,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:41:54,675 INFO L93 Difference]: Finished difference Result 5553 states and 7970 transitions. [2024-11-09 14:41:54,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 14:41:54,676 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 [2024-11-09 14:41:54,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:41:54,687 INFO L225 Difference]: With dead ends: 5553 [2024-11-09 14:41:54,688 INFO L226 Difference]: Without dead ends: 2815 [2024-11-09 14:41:54,692 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 [2024-11-09 14:41:54,692 INFO L432 NwaCegarLoop]: 798 mSDtfsCounter, 374 mSDsluCounter, 589 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 375 SdHoareTripleChecker+Valid, 1387 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 14:41:54,693 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [375 Valid, 1387 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 14:41:54,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2815 states. [2024-11-09 14:41:54,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2815 to 2804. [2024-11-09 14:41:54,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2804 states, 2723 states have (on average 1.4348145427836945) internal successors, (3907), 2741 states have internal predecessors, (3907), 50 states have call successors, (50), 21 states have call predecessors, (50), 17 states have return successors, (72), 41 states have call predecessors, (72), 50 states have call successors, (72) [2024-11-09 14:41:54,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2804 states to 2804 states and 4029 transitions. [2024-11-09 14:41:54,828 INFO L78 Accepts]: Start accepts. Automaton has 2804 states and 4029 transitions. Word has length 82 [2024-11-09 14:41:54,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:41:54,829 INFO L471 AbstractCegarLoop]: Abstraction has 2804 states and 4029 transitions. [2024-11-09 14:41:54,829 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) [2024-11-09 14:41:54,829 INFO L276 IsEmpty]: Start isEmpty. Operand 2804 states and 4029 transitions. [2024-11-09 14:41:54,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-09 14:41:54,830 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:41:54,830 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] [2024-11-09 14:41:54,831 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 14:41:54,831 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)] === [2024-11-09 14:41:54,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:41:54,831 INFO L85 PathProgramCache]: Analyzing trace with hash -2014395234, now seen corresponding path program 1 times [2024-11-09 14:41:54,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:41:54,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567363987] [2024-11-09 14:41:54,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:41:54,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:41:54,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:41:55,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-09 14:41:55,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:41:55,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 14:41:55,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:41:55,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-09 14:41:55,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:41:55,171 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-09 14:41:55,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:41:55,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567363987] [2024-11-09 14:41:55,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [567363987] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 14:41:55,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1573680003] [2024-11-09 14:41:55,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:41:55,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 14:41:55,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 14:41:55,174 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) [2024-11-09 14:41:55,175 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 14:41:55,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:41:55,469 INFO L255 TraceCheckSpWp]: Trace formula consists of 601 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 14:41:55,472 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 14:41:55,599 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 14:41:55,599 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 14:41:55,795 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-09 14:41:55,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1573680003] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-09 14:41:55,796 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-09 14:41:55,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7, 4] total 13 [2024-11-09 14:41:55,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078332563] [2024-11-09 14:41:55,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:41:55,797 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 14:41:55,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:41:55,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 14:41:55,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2024-11-09 14:41:55,798 INFO L87 Difference]: Start difference. First operand 2804 states and 4029 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) [2024-11-09 14:41:55,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:41:55,899 INFO L93 Difference]: Finished difference Result 2804 states and 4029 transitions. [2024-11-09 14:41:55,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 14:41:55,900 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 [2024-11-09 14:41:55,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:41:55,910 INFO L225 Difference]: With dead ends: 2804 [2024-11-09 14:41:55,910 INFO L226 Difference]: Without dead ends: 2803 [2024-11-09 14:41:55,911 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 181 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2024-11-09 14:41:55,912 INFO L432 NwaCegarLoop]: 610 mSDtfsCounter, 1188 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1188 SdHoareTripleChecker+Valid, 610 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 14:41:55,912 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1188 Valid, 610 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 14:41:55,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2803 states. [2024-11-09 14:41:55,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2803 to 2803. [2024-11-09 14:41:55,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2803 states, 2723 states have (on average 1.4329783327212633) internal successors, (3902), 2740 states have internal predecessors, (3902), 50 states have call successors, (50), 21 states have call predecessors, (50), 17 states have return successors, (72), 41 states have call predecessors, (72), 50 states have call successors, (72) [2024-11-09 14:41:55,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2803 states to 2803 states and 4024 transitions. [2024-11-09 14:41:55,984 INFO L78 Accepts]: Start accepts. Automaton has 2803 states and 4024 transitions. Word has length 93 [2024-11-09 14:41:55,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:41:55,985 INFO L471 AbstractCegarLoop]: Abstraction has 2803 states and 4024 transitions. [2024-11-09 14:41:55,985 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) [2024-11-09 14:41:55,985 INFO L276 IsEmpty]: Start isEmpty. Operand 2803 states and 4024 transitions. [2024-11-09 14:41:55,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-09 14:41:55,986 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:41:55,986 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] [2024-11-09 14:41:56,005 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-09 14:41:56,190 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 [2024-11-09 14:41:56,191 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)] === [2024-11-09 14:41:56,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:41:56,191 INFO L85 PathProgramCache]: Analyzing trace with hash 1978257255, now seen corresponding path program 1 times [2024-11-09 14:41:56,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:41:56,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191061022] [2024-11-09 14:41:56,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:41:56,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:41:56,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:41:56,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-09 14:41:56,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:41:56,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 14:41:56,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:41:56,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-09 14:41:56,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:41:56,507 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-09 14:41:56,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:41:56,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191061022] [2024-11-09 14:41:56,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191061022] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 14:41:56,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1033308900] [2024-11-09 14:41:56,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:41:56,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 14:41:56,508 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 14:41:56,509 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) [2024-11-09 14:41:56,511 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 14:41:56,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:41:56,807 INFO L255 TraceCheckSpWp]: Trace formula consists of 602 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 14:41:56,810 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 14:41:56,973 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 14:41:56,973 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 14:41:57,150 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-09 14:41:57,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1033308900] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 14:41:57,150 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 14:41:57,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4, 5] total 13 [2024-11-09 14:41:57,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62862280] [2024-11-09 14:41:57,150 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 14:41:57,151 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 14:41:57,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:41:57,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 14:41:57,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2024-11-09 14:41:57,152 INFO L87 Difference]: Start difference. First operand 2803 states and 4024 transitions. Second operand has 14 states, 13 states have (on average 18.076923076923077) internal successors, (235), 12 states have internal predecessors, (235), 5 states have call successors, (11), 8 states have call predecessors, (11), 5 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-09 14:41:57,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:41:57,907 INFO L93 Difference]: Finished difference Result 5398 states and 7716 transitions. [2024-11-09 14:41:57,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-09 14:41:57,908 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 18.076923076923077) internal successors, (235), 12 states have internal predecessors, (235), 5 states have call successors, (11), 8 states have call predecessors, (11), 5 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) Word has length 94 [2024-11-09 14:41:57,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:41:57,927 INFO L225 Difference]: With dead ends: 5398 [2024-11-09 14:41:57,927 INFO L226 Difference]: Without dead ends: 5397 [2024-11-09 14:41:57,930 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 192 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=231, Invalid=471, Unknown=0, NotChecked=0, Total=702 [2024-11-09 14:41:57,931 INFO L432 NwaCegarLoop]: 574 mSDtfsCounter, 2153 mSDsluCounter, 3913 mSDsCounter, 0 mSdLazyCounter, 295 mSolverCounterSat, 113 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2162 SdHoareTripleChecker+Valid, 4487 SdHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 113 IncrementalHoareTripleChecker+Valid, 295 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 14:41:57,931 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2162 Valid, 4487 Invalid, 408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [113 Valid, 295 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 14:41:57,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5397 states. [2024-11-09 14:41:58,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5397 to 5014. [2024-11-09 14:41:58,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5014 states, 4858 states have (on average 1.4275421984355703) internal successors, (6935), 4878 states have internal predecessors, (6935), 99 states have call successors, (99), 50 states have call predecessors, (99), 44 states have return successors, (137), 85 states have call predecessors, (137), 99 states have call successors, (137) [2024-11-09 14:41:58,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5014 states to 5014 states and 7171 transitions. [2024-11-09 14:41:58,129 INFO L78 Accepts]: Start accepts. Automaton has 5014 states and 7171 transitions. Word has length 94 [2024-11-09 14:41:58,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:41:58,129 INFO L471 AbstractCegarLoop]: Abstraction has 5014 states and 7171 transitions. [2024-11-09 14:41:58,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 18.076923076923077) internal successors, (235), 12 states have internal predecessors, (235), 5 states have call successors, (11), 8 states have call predecessors, (11), 5 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-09 14:41:58,130 INFO L276 IsEmpty]: Start isEmpty. Operand 5014 states and 7171 transitions. [2024-11-09 14:41:58,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-09 14:41:58,132 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:41:58,132 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] [2024-11-09 14:41:58,166 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-09 14:41:58,332 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 [2024-11-09 14:41:58,333 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)] === [2024-11-09 14:41:58,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:41:58,334 INFO L85 PathProgramCache]: Analyzing trace with hash -1276458826, now seen corresponding path program 1 times [2024-11-09 14:41:58,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:41:58,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078253869] [2024-11-09 14:41:58,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:41:58,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:41:58,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:41:58,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-09 14:41:58,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:41:58,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 14:41:58,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:41:58,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-09 14:41:58,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:41:58,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-09 14:41:58,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:41:58,685 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 14:41:58,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:41:58,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078253869] [2024-11-09 14:41:58,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1078253869] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:41:58,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 14:41:58,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 14:41:58,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118206221] [2024-11-09 14:41:58,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:41:58,687 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 14:41:58,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:41:58,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 14:41:58,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-09 14:41:58,688 INFO L87 Difference]: Start difference. First operand 5014 states and 7171 transitions. Second operand has 6 states, 5 states have (on average 20.0) internal successors, (100), 4 states have internal predecessors, (100), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 14:41:59,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:41:59,297 INFO L93 Difference]: Finished difference Result 6550 states and 9380 transitions. [2024-11-09 14:41:59,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 14:41:59,298 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 20.0) internal successors, (100), 4 states have internal predecessors, (100), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 120 [2024-11-09 14:41:59,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:41:59,328 INFO L225 Difference]: With dead ends: 6550 [2024-11-09 14:41:59,329 INFO L226 Difference]: Without dead ends: 6548 [2024-11-09 14:41:59,332 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-09 14:41:59,333 INFO L432 NwaCegarLoop]: 561 mSDtfsCounter, 512 mSDsluCounter, 2105 mSDsCounter, 0 mSdLazyCounter, 334 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 518 SdHoareTripleChecker+Valid, 2666 SdHoareTripleChecker+Invalid, 369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 14:41:59,333 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [518 Valid, 2666 Invalid, 369 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 334 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 14:41:59,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6548 states. [2024-11-09 14:41:59,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6548 to 5182. [2024-11-09 14:41:59,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5182 states, 5017 states have (on average 1.4217659956149094) internal successors, (7133), 5038 states have internal predecessors, (7133), 108 states have call successors, (108), 50 states have call predecessors, (108), 44 states have return successors, (149), 93 states have call predecessors, (149), 108 states have call successors, (149) [2024-11-09 14:41:59,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5182 states to 5182 states and 7390 transitions. [2024-11-09 14:41:59,519 INFO L78 Accepts]: Start accepts. Automaton has 5182 states and 7390 transitions. Word has length 120 [2024-11-09 14:41:59,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:41:59,520 INFO L471 AbstractCegarLoop]: Abstraction has 5182 states and 7390 transitions. [2024-11-09 14:41:59,520 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 20.0) internal successors, (100), 4 states have internal predecessors, (100), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 14:41:59,520 INFO L276 IsEmpty]: Start isEmpty. Operand 5182 states and 7390 transitions. [2024-11-09 14:41:59,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-09 14:41:59,522 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:41:59,522 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] [2024-11-09 14:41:59,522 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-09 14:41:59,522 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)] === [2024-11-09 14:41:59,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:41:59,523 INFO L85 PathProgramCache]: Analyzing trace with hash -543684962, now seen corresponding path program 1 times [2024-11-09 14:41:59,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:41:59,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782979976] [2024-11-09 14:41:59,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:41:59,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:41:59,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:41:59,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-09 14:41:59,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:41:59,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 14:41:59,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:41:59,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-09 14:41:59,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:41:59,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-09 14:41:59,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:41:59,935 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-09 14:41:59,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:41:59,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782979976] [2024-11-09 14:41:59,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782979976] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 14:41:59,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [439890926] [2024-11-09 14:41:59,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:41:59,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 14:41:59,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 14:41:59,938 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) [2024-11-09 14:41:59,939 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-09 14:42:00,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:00,297 INFO L255 TraceCheckSpWp]: Trace formula consists of 795 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 14:42:00,302 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 14:42:00,420 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-09 14:42:00,421 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 14:42:00,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [439890926] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:42:00,421 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 14:42:00,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 12 [2024-11-09 14:42:00,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476399264] [2024-11-09 14:42:00,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:42:00,422 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 14:42:00,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:42:00,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 14:42:00,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-09 14:42:00,424 INFO L87 Difference]: Start difference. First operand 5182 states and 7390 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) [2024-11-09 14:42:00,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:42:00,667 INFO L93 Difference]: Finished difference Result 9710 states and 13884 transitions. [2024-11-09 14:42:00,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 14:42:00,668 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 [2024-11-09 14:42:00,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:42:00,680 INFO L225 Difference]: With dead ends: 9710 [2024-11-09 14:42:00,681 INFO L226 Difference]: Without dead ends: 4932 [2024-11-09 14:42:00,687 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2024-11-09 14:42:00,688 INFO L432 NwaCegarLoop]: 590 mSDtfsCounter, 161 mSDsluCounter, 2303 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 2893 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 14:42:00,688 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 2893 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 14:42:00,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4932 states. [2024-11-09 14:42:00,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4932 to 4932. [2024-11-09 14:42:00,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4932 states, 4784 states have (on average 1.425376254180602) internal successors, (6819), 4803 states have internal predecessors, (6819), 97 states have call successors, (97), 44 states have call predecessors, (97), 38 states have return successors, (132), 84 states have call predecessors, (132), 97 states have call successors, (132) [2024-11-09 14:42:00,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4932 states to 4932 states and 7048 transitions. [2024-11-09 14:42:00,838 INFO L78 Accepts]: Start accepts. Automaton has 4932 states and 7048 transitions. Word has length 127 [2024-11-09 14:42:00,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:42:00,838 INFO L471 AbstractCegarLoop]: Abstraction has 4932 states and 7048 transitions. [2024-11-09 14:42:00,839 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) [2024-11-09 14:42:00,839 INFO L276 IsEmpty]: Start isEmpty. Operand 4932 states and 7048 transitions. [2024-11-09 14:42:00,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-09 14:42:00,841 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:42:00,841 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] [2024-11-09 14:42:00,861 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-09 14:42:01,041 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 [2024-11-09 14:42:01,042 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)] === [2024-11-09 14:42:01,042 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:42:01,042 INFO L85 PathProgramCache]: Analyzing trace with hash 1097892489, now seen corresponding path program 1 times [2024-11-09 14:42:01,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:42:01,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639136079] [2024-11-09 14:42:01,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:42:01,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:42:01,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:01,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-09 14:42:01,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:01,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-09 14:42:01,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:01,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-09 14:42:01,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:01,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-09 14:42:01,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:01,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 14:42:01,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:01,539 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-09 14:42:01,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:42:01,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639136079] [2024-11-09 14:42:01,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639136079] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 14:42:01,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1455049929] [2024-11-09 14:42:01,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:42:01,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 14:42:01,540 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 14:42:01,542 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) [2024-11-09 14:42:01,544 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-09 14:42:01,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:01,944 INFO L255 TraceCheckSpWp]: Trace formula consists of 805 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-09 14:42:01,949 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 14:42:02,171 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 14:42:02,171 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 14:42:02,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1455049929] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:42:02,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 14:42:02,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2024-11-09 14:42:02,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934366187] [2024-11-09 14:42:02,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:42:02,172 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 14:42:02,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:42:02,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 14:42:02,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-09 14:42:02,173 INFO L87 Difference]: Start difference. First operand 4932 states and 7048 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) [2024-11-09 14:42:05,323 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.35s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 14:42:05,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:42:05,636 INFO L93 Difference]: Finished difference Result 10282 states and 14661 transitions. [2024-11-09 14:42:05,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 14:42:05,637 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 [2024-11-09 14:42:05,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:42:05,651 INFO L225 Difference]: With dead ends: 10282 [2024-11-09 14:42:05,651 INFO L226 Difference]: Without dead ends: 5439 [2024-11-09 14:42:05,661 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-09 14:42:05,662 INFO L432 NwaCegarLoop]: 592 mSDtfsCounter, 15 mSDsluCounter, 2290 mSDsCounter, 0 mSdLazyCounter, 795 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 2882 SdHoareTripleChecker+Invalid, 798 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 795 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-11-09 14:42:05,662 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 2882 Invalid, 798 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 795 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-11-09 14:42:05,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5439 states. [2024-11-09 14:42:05,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5439 to 5387. [2024-11-09 14:42:05,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5387 states, 5239 states have (on average 1.4082840236686391) internal successors, (7378), 5258 states have internal predecessors, (7378), 97 states have call successors, (97), 44 states have call predecessors, (97), 38 states have return successors, (132), 84 states have call predecessors, (132), 97 states have call successors, (132) [2024-11-09 14:42:05,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5387 states to 5387 states and 7607 transitions. [2024-11-09 14:42:05,800 INFO L78 Accepts]: Start accepts. Automaton has 5387 states and 7607 transitions. Word has length 132 [2024-11-09 14:42:05,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:42:05,801 INFO L471 AbstractCegarLoop]: Abstraction has 5387 states and 7607 transitions. [2024-11-09 14:42:05,801 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) [2024-11-09 14:42:05,801 INFO L276 IsEmpty]: Start isEmpty. Operand 5387 states and 7607 transitions. [2024-11-09 14:42:05,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-09 14:42:05,802 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:42:05,802 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] [2024-11-09 14:42:05,821 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-09 14:42:06,006 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 [2024-11-09 14:42:06,007 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)] === [2024-11-09 14:42:06,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:42:06,008 INFO L85 PathProgramCache]: Analyzing trace with hash 879671620, now seen corresponding path program 1 times [2024-11-09 14:42:06,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:42:06,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8982078] [2024-11-09 14:42:06,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:42:06,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:42:06,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:06,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-09 14:42:06,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:06,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-09 14:42:06,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:06,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 14:42:06,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:06,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-09 14:42:06,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:06,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-09 14:42:06,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:06,404 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 14:42:06,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:42:06,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8982078] [2024-11-09 14:42:06,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8982078] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:42:06,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 14:42:06,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-09 14:42:06,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174584163] [2024-11-09 14:42:06,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:42:06,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 14:42:06,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:42:06,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 14:42:06,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-09 14:42:06,407 INFO L87 Difference]: Start difference. First operand 5387 states and 7607 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 7 states have internal predecessors, (112), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 14:42:07,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:42:07,377 INFO L93 Difference]: Finished difference Result 10744 states and 15200 transitions. [2024-11-09 14:42:07,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 14:42:07,377 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 7 states have internal predecessors, (112), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 133 [2024-11-09 14:42:07,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:42:07,390 INFO L225 Difference]: With dead ends: 10744 [2024-11-09 14:42:07,390 INFO L226 Difference]: Without dead ends: 5491 [2024-11-09 14:42:07,398 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-09 14:42:07,399 INFO L432 NwaCegarLoop]: 567 mSDtfsCounter, 57 mSDsluCounter, 3174 mSDsCounter, 0 mSdLazyCounter, 1135 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 3741 SdHoareTripleChecker+Invalid, 1155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-09 14:42:07,399 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 3741 Invalid, 1155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1135 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-09 14:42:07,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5491 states. [2024-11-09 14:42:07,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5491 to 5439. [2024-11-09 14:42:07,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5439 states, 5291 states have (on average 1.4091854091854092) internal successors, (7456), 5310 states have internal predecessors, (7456), 97 states have call successors, (97), 44 states have call predecessors, (97), 38 states have return successors, (132), 84 states have call predecessors, (132), 97 states have call successors, (132) [2024-11-09 14:42:07,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5439 states to 5439 states and 7685 transitions. [2024-11-09 14:42:07,532 INFO L78 Accepts]: Start accepts. Automaton has 5439 states and 7685 transitions. Word has length 133 [2024-11-09 14:42:07,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:42:07,533 INFO L471 AbstractCegarLoop]: Abstraction has 5439 states and 7685 transitions. [2024-11-09 14:42:07,533 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 7 states have internal predecessors, (112), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 14:42:07,533 INFO L276 IsEmpty]: Start isEmpty. Operand 5439 states and 7685 transitions. [2024-11-09 14:42:07,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-09 14:42:07,535 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:42:07,535 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] [2024-11-09 14:42:07,535 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-09 14:42:07,535 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)] === [2024-11-09 14:42:07,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:42:07,536 INFO L85 PathProgramCache]: Analyzing trace with hash -721549227, now seen corresponding path program 1 times [2024-11-09 14:42:07,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:42:07,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465137578] [2024-11-09 14:42:07,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:42:07,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:42:07,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:08,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 14:42:08,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:08,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-09 14:42:08,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:08,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-09 14:42:08,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:08,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-09 14:42:08,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:08,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-09 14:42:08,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:08,097 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 14:42:08,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:42:08,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465137578] [2024-11-09 14:42:08,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465137578] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:42:08,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 14:42:08,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-09 14:42:08,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758068924] [2024-11-09 14:42:08,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:42:08,098 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 14:42:08,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:42:08,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 14:42:08,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2024-11-09 14:42:08,099 INFO L87 Difference]: Start difference. First operand 5439 states and 7685 transitions. Second operand has 11 states, 11 states have (on average 10.272727272727273) internal successors, (113), 9 states have internal predecessors, (113), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 14:42:09,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:42:09,352 INFO L93 Difference]: Finished difference Result 11031 states and 15603 transitions. [2024-11-09 14:42:09,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 14:42:09,353 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.272727272727273) internal successors, (113), 9 states have internal predecessors, (113), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 134 [2024-11-09 14:42:09,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:42:09,365 INFO L225 Difference]: With dead ends: 11031 [2024-11-09 14:42:09,365 INFO L226 Difference]: Without dead ends: 5725 [2024-11-09 14:42:09,373 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2024-11-09 14:42:09,374 INFO L432 NwaCegarLoop]: 562 mSDtfsCounter, 79 mSDsluCounter, 4144 mSDsCounter, 0 mSdLazyCounter, 1415 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 4706 SdHoareTripleChecker+Invalid, 1437 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 1415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-09 14:42:09,374 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 4706 Invalid, 1437 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 1415 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-09 14:42:09,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5725 states. [2024-11-09 14:42:09,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5725 to 5595. [2024-11-09 14:42:09,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5595 states, 5447 states have (on average 1.4093996695428677) internal successors, (7677), 5466 states have internal predecessors, (7677), 97 states have call successors, (97), 44 states have call predecessors, (97), 38 states have return successors, (132), 84 states have call predecessors, (132), 97 states have call successors, (132) [2024-11-09 14:42:09,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5595 states to 5595 states and 7906 transitions. [2024-11-09 14:42:09,592 INFO L78 Accepts]: Start accepts. Automaton has 5595 states and 7906 transitions. Word has length 134 [2024-11-09 14:42:09,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:42:09,592 INFO L471 AbstractCegarLoop]: Abstraction has 5595 states and 7906 transitions. [2024-11-09 14:42:09,593 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.272727272727273) internal successors, (113), 9 states have internal predecessors, (113), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 14:42:09,593 INFO L276 IsEmpty]: Start isEmpty. Operand 5595 states and 7906 transitions. [2024-11-09 14:42:09,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-09 14:42:09,594 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:42:09,594 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] [2024-11-09 14:42:09,595 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-09 14:42:09,595 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)] === [2024-11-09 14:42:09,595 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:42:09,595 INFO L85 PathProgramCache]: Analyzing trace with hash 495986798, now seen corresponding path program 1 times [2024-11-09 14:42:09,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:42:09,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185250229] [2024-11-09 14:42:09,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:42:09,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:42:09,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:09,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 14:42:09,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:09,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-09 14:42:09,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:10,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-09 14:42:10,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:10,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-09 14:42:10,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:10,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-09 14:42:10,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:10,103 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-09 14:42:10,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:42:10,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185250229] [2024-11-09 14:42:10,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185250229] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 14:42:10,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [891451281] [2024-11-09 14:42:10,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:42:10,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 14:42:10,104 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 14:42:10,109 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) [2024-11-09 14:42:10,122 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-09 14:42:10,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:10,563 INFO L255 TraceCheckSpWp]: Trace formula consists of 807 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-09 14:42:10,569 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 14:42:10,575 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 [2024-11-09 14:42:10,596 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 [2024-11-09 14:42:10,622 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 [2024-11-09 14:42:11,330 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 14:42:11,330 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 14:42:11,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [891451281] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:42:11,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 14:42:11,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [7] total 16 [2024-11-09 14:42:11,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827502618] [2024-11-09 14:42:11,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:42:11,333 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 14:42:11,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:42:11,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 14:42:11,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2024-11-09 14:42:11,334 INFO L87 Difference]: Start difference. First operand 5595 states and 7906 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) [2024-11-09 14:42:12,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:42:12,652 INFO L93 Difference]: Finished difference Result 12432 states and 17619 transitions. [2024-11-09 14:42:12,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 14:42:12,653 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 [2024-11-09 14:42:12,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:42:12,670 INFO L225 Difference]: With dead ends: 12432 [2024-11-09 14:42:12,671 INFO L226 Difference]: Without dead ends: 6969 [2024-11-09 14:42:12,681 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 132 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=105, Invalid=447, Unknown=0, NotChecked=0, Total=552 [2024-11-09 14:42:12,681 INFO L432 NwaCegarLoop]: 591 mSDtfsCounter, 831 mSDsluCounter, 2458 mSDsCounter, 0 mSdLazyCounter, 750 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 838 SdHoareTripleChecker+Valid, 3049 SdHoareTripleChecker+Invalid, 757 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 750 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-09 14:42:12,682 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [838 Valid, 3049 Invalid, 757 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 750 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-09 14:42:12,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6969 states. [2024-11-09 14:42:12,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6969 to 5583. [2024-11-09 14:42:12,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5583 states, 5435 states have (on average 1.4091996320147193) internal successors, (7659), 5454 states have internal predecessors, (7659), 97 states have call successors, (97), 44 states have call predecessors, (97), 38 states have return successors, (132), 84 states have call predecessors, (132), 97 states have call successors, (132) [2024-11-09 14:42:12,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5583 states to 5583 states and 7888 transitions. [2024-11-09 14:42:12,832 INFO L78 Accepts]: Start accepts. Automaton has 5583 states and 7888 transitions. Word has length 134 [2024-11-09 14:42:12,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:42:12,832 INFO L471 AbstractCegarLoop]: Abstraction has 5583 states and 7888 transitions. [2024-11-09 14:42:12,833 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) [2024-11-09 14:42:12,833 INFO L276 IsEmpty]: Start isEmpty. Operand 5583 states and 7888 transitions. [2024-11-09 14:42:12,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-09 14:42:12,834 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:42:12,834 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] [2024-11-09 14:42:12,854 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-09 14:42:13,038 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 [2024-11-09 14:42:13,039 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)] === [2024-11-09 14:42:13,039 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:42:13,040 INFO L85 PathProgramCache]: Analyzing trace with hash -154304966, now seen corresponding path program 1 times [2024-11-09 14:42:13,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:42:13,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172169827] [2024-11-09 14:42:13,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:42:13,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:42:13,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:13,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 14:42:13,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:13,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-09 14:42:13,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:13,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-09 14:42:13,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:13,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 14:42:13,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:13,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-09 14:42:13,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:13,583 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 14:42:13,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:42:13,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172169827] [2024-11-09 14:42:13,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172169827] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:42:13,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 14:42:13,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-09 14:42:13,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579817870] [2024-11-09 14:42:13,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:42:13,585 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 14:42:13,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:42:13,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 14:42:13,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-09 14:42:13,586 INFO L87 Difference]: Start difference. First operand 5583 states and 7888 transitions. Second operand has 11 states, 11 states have (on average 10.454545454545455) internal successors, (115), 9 states have internal predecessors, (115), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 14:42:14,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:42:14,707 INFO L93 Difference]: Finished difference Result 11282 states and 15937 transitions. [2024-11-09 14:42:14,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 14:42:14,708 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.454545454545455) internal successors, (115), 9 states have internal predecessors, (115), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 136 [2024-11-09 14:42:14,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:42:14,722 INFO L225 Difference]: With dead ends: 11282 [2024-11-09 14:42:14,722 INFO L226 Difference]: Without dead ends: 5830 [2024-11-09 14:42:14,731 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-09 14:42:14,732 INFO L432 NwaCegarLoop]: 562 mSDtfsCounter, 64 mSDsluCounter, 4148 mSDsCounter, 0 mSdLazyCounter, 1365 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 4710 SdHoareTripleChecker+Invalid, 1386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 1365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-09 14:42:14,732 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 4710 Invalid, 1386 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 1365 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-09 14:42:14,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5830 states. [2024-11-09 14:42:14,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5830 to 5665. [2024-11-09 14:42:14,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5665 states, 5517 states have (on average 1.4080116005075223) internal successors, (7768), 5536 states have internal predecessors, (7768), 97 states have call successors, (97), 44 states have call predecessors, (97), 38 states have return successors, (132), 84 states have call predecessors, (132), 97 states have call successors, (132) [2024-11-09 14:42:14,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5665 states to 5665 states and 7997 transitions. [2024-11-09 14:42:14,866 INFO L78 Accepts]: Start accepts. Automaton has 5665 states and 7997 transitions. Word has length 136 [2024-11-09 14:42:14,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:42:14,868 INFO L471 AbstractCegarLoop]: Abstraction has 5665 states and 7997 transitions. [2024-11-09 14:42:14,869 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.454545454545455) internal successors, (115), 9 states have internal predecessors, (115), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 14:42:14,869 INFO L276 IsEmpty]: Start isEmpty. Operand 5665 states and 7997 transitions. [2024-11-09 14:42:14,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-09 14:42:14,870 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:42:14,870 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] [2024-11-09 14:42:14,871 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-09 14:42:14,871 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)] === [2024-11-09 14:42:14,871 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:42:14,871 INFO L85 PathProgramCache]: Analyzing trace with hash 477153959, now seen corresponding path program 1 times [2024-11-09 14:42:14,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:42:14,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864628431] [2024-11-09 14:42:14,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:42:14,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:42:15,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:15,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-09 14:42:15,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:15,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-09 14:42:15,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:15,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-09 14:42:15,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:15,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-09 14:42:15,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:15,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-09 14:42:15,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:15,371 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-09 14:42:15,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:42:15,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864628431] [2024-11-09 14:42:15,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864628431] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 14:42:15,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1198235263] [2024-11-09 14:42:15,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:42:15,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 14:42:15,372 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 14:42:15,374 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) [2024-11-09 14:42:15,375 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-09 14:42:15,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:15,841 INFO L255 TraceCheckSpWp]: Trace formula consists of 807 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-09 14:42:15,845 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 14:42:15,948 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 14:42:15,949 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 14:42:15,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1198235263] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:42:15,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 14:42:15,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2024-11-09 14:42:15,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730489868] [2024-11-09 14:42:15,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:42:15,952 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 14:42:15,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:42:15,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 14:42:15,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-09 14:42:15,954 INFO L87 Difference]: Start difference. First operand 5665 states and 7997 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) [2024-11-09 14:42:16,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:42:16,500 INFO L93 Difference]: Finished difference Result 11359 states and 16058 transitions. [2024-11-09 14:42:16,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 14:42:16,501 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 [2024-11-09 14:42:16,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:42:16,514 INFO L225 Difference]: With dead ends: 11359 [2024-11-09 14:42:16,514 INFO L226 Difference]: Without dead ends: 5847 [2024-11-09 14:42:16,522 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2024-11-09 14:42:16,522 INFO L432 NwaCegarLoop]: 588 mSDtfsCounter, 40 mSDsluCounter, 2440 mSDsCounter, 0 mSdLazyCounter, 662 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 3028 SdHoareTripleChecker+Invalid, 666 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 662 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 14:42:16,523 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 3028 Invalid, 666 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 662 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 14:42:16,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5847 states. [2024-11-09 14:42:16,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5847 to 5756. [2024-11-09 14:42:16,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5756 states, 5608 states have (on average 1.408345221112696) internal successors, (7898), 5627 states have internal predecessors, (7898), 97 states have call successors, (97), 44 states have call predecessors, (97), 38 states have return successors, (132), 84 states have call predecessors, (132), 97 states have call successors, (132) [2024-11-09 14:42:16,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5756 states to 5756 states and 8127 transitions. [2024-11-09 14:42:16,685 INFO L78 Accepts]: Start accepts. Automaton has 5756 states and 8127 transitions. Word has length 137 [2024-11-09 14:42:16,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:42:16,685 INFO L471 AbstractCegarLoop]: Abstraction has 5756 states and 8127 transitions. [2024-11-09 14:42:16,685 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) [2024-11-09 14:42:16,685 INFO L276 IsEmpty]: Start isEmpty. Operand 5756 states and 8127 transitions. [2024-11-09 14:42:16,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-09 14:42:16,687 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:42:16,688 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] [2024-11-09 14:42:16,708 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-09 14:42:16,888 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 [2024-11-09 14:42:16,888 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)] === [2024-11-09 14:42:16,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:42:16,889 INFO L85 PathProgramCache]: Analyzing trace with hash 1694689984, now seen corresponding path program 1 times [2024-11-09 14:42:16,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:42:16,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105666701] [2024-11-09 14:42:16,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:42:16,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:42:17,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:17,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-09 14:42:17,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:17,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-09 14:42:17,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:17,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-09 14:42:17,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:17,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-09 14:42:17,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:17,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-09 14:42:17,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:17,317 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-09 14:42:17,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:42:17,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105666701] [2024-11-09 14:42:17,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1105666701] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 14:42:17,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [284291269] [2024-11-09 14:42:17,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:42:17,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 14:42:17,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 14:42:17,320 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) [2024-11-09 14:42:17,321 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-09 14:42:17,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:17,806 INFO L255 TraceCheckSpWp]: Trace formula consists of 807 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-09 14:42:17,809 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 14:42:17,909 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 14:42:17,909 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 14:42:17,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [284291269] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:42:17,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 14:42:17,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [7] total 13 [2024-11-09 14:42:17,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978224796] [2024-11-09 14:42:17,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:42:17,911 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 14:42:17,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:42:17,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 14:42:17,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2024-11-09 14:42:17,913 INFO L87 Difference]: Start difference. First operand 5756 states and 8127 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) [2024-11-09 14:42:18,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:42:18,063 INFO L93 Difference]: Finished difference Result 9040 states and 12754 transitions. [2024-11-09 14:42:18,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 14:42:18,064 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 [2024-11-09 14:42:18,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:42:18,074 INFO L225 Difference]: With dead ends: 9040 [2024-11-09 14:42:18,075 INFO L226 Difference]: Without dead ends: 3467 [2024-11-09 14:42:18,083 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-11-09 14:42:18,084 INFO L432 NwaCegarLoop]: 604 mSDtfsCounter, 13 mSDsluCounter, 4196 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 4800 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 14:42:18,084 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 4800 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 14:42:18,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3467 states. [2024-11-09 14:42:18,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3467 to 3465. [2024-11-09 14:42:18,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3465 states, 3363 states have (on average 1.4064823074635742) internal successors, (4730), 3379 states have internal predecessors, (4730), 54 states have call successors, (54), 38 states have call predecessors, (54), 35 states have return successors, (65), 47 states have call predecessors, (65), 54 states have call successors, (65) [2024-11-09 14:42:18,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3465 states to 3465 states and 4849 transitions. [2024-11-09 14:42:18,253 INFO L78 Accepts]: Start accepts. Automaton has 3465 states and 4849 transitions. Word has length 137 [2024-11-09 14:42:18,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:42:18,254 INFO L471 AbstractCegarLoop]: Abstraction has 3465 states and 4849 transitions. [2024-11-09 14:42:18,254 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) [2024-11-09 14:42:18,254 INFO L276 IsEmpty]: Start isEmpty. Operand 3465 states and 4849 transitions. [2024-11-09 14:42:18,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-09 14:42:18,256 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:42:18,256 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] [2024-11-09 14:42:18,277 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-09 14:42:18,457 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 [2024-11-09 14:42:18,458 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)] === [2024-11-09 14:42:18,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:42:18,458 INFO L85 PathProgramCache]: Analyzing trace with hash 1517491482, now seen corresponding path program 1 times [2024-11-09 14:42:18,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:42:18,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826468449] [2024-11-09 14:42:18,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:42:18,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:42:18,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:18,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-09 14:42:18,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:18,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-09 14:42:18,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:18,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-09 14:42:18,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:18,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-09 14:42:18,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:18,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 14:42:18,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:18,988 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-09 14:42:18,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:42:18,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826468449] [2024-11-09 14:42:18,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [826468449] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 14:42:18,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [557052917] [2024-11-09 14:42:18,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:42:18,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 14:42:18,989 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 14:42:18,991 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) [2024-11-09 14:42:18,992 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-09 14:42:19,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:19,537 INFO L255 TraceCheckSpWp]: Trace formula consists of 837 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-09 14:42:19,540 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 14:42:19,740 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-09 14:42:19,740 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 14:42:19,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [557052917] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:42:19,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 14:42:19,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2024-11-09 14:42:19,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578084284] [2024-11-09 14:42:19,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:42:19,742 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 14:42:19,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:42:19,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 14:42:19,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2024-11-09 14:42:19,743 INFO L87 Difference]: Start difference. First operand 3465 states and 4849 transitions. Second operand has 7 states, 7 states have (on average 16.714285714285715) internal successors, (117), 7 states have internal predecessors, (117), 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) [2024-11-09 14:42:20,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:42:20,416 INFO L93 Difference]: Finished difference Result 6828 states and 9573 transitions. [2024-11-09 14:42:20,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 14:42:20,416 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.714285714285715) internal successors, (117), 7 states have internal predecessors, (117), 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 139 [2024-11-09 14:42:20,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:42:20,426 INFO L225 Difference]: With dead ends: 6828 [2024-11-09 14:42:20,427 INFO L226 Difference]: Without dead ends: 3518 [2024-11-09 14:42:20,432 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2024-11-09 14:42:20,433 INFO L432 NwaCegarLoop]: 599 mSDtfsCounter, 10 mSDsluCounter, 2344 mSDsCounter, 0 mSdLazyCounter, 771 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 2943 SdHoareTripleChecker+Invalid, 772 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 771 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 14:42:20,433 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 2943 Invalid, 772 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 771 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 14:42:20,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3518 states. [2024-11-09 14:42:20,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3518 to 3465. [2024-11-09 14:42:20,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3465 states, 3363 states have (on average 1.4064823074635742) internal successors, (4730), 3379 states have internal predecessors, (4730), 54 states have call successors, (54), 38 states have call predecessors, (54), 35 states have return successors, (65), 47 states have call predecessors, (65), 54 states have call successors, (65) [2024-11-09 14:42:20,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3465 states to 3465 states and 4849 transitions. [2024-11-09 14:42:20,556 INFO L78 Accepts]: Start accepts. Automaton has 3465 states and 4849 transitions. Word has length 139 [2024-11-09 14:42:20,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:42:20,557 INFO L471 AbstractCegarLoop]: Abstraction has 3465 states and 4849 transitions. [2024-11-09 14:42:20,557 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.714285714285715) internal successors, (117), 7 states have internal predecessors, (117), 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) [2024-11-09 14:42:20,557 INFO L276 IsEmpty]: Start isEmpty. Operand 3465 states and 4849 transitions. [2024-11-09 14:42:20,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-09 14:42:20,559 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:42:20,559 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] [2024-11-09 14:42:20,581 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-09 14:42:20,760 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 [2024-11-09 14:42:20,761 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)] === [2024-11-09 14:42:20,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:42:20,761 INFO L85 PathProgramCache]: Analyzing trace with hash -2125123768, now seen corresponding path program 1 times [2024-11-09 14:42:20,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:42:20,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894955002] [2024-11-09 14:42:20,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:42:20,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:42:20,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:21,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-09 14:42:21,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:21,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-09 14:42:21,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:21,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-09 14:42:21,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:21,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-09 14:42:21,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:21,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 14:42:21,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:21,164 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-09 14:42:21,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:42:21,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894955002] [2024-11-09 14:42:21,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894955002] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:42:21,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 14:42:21,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 14:42:21,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587422083] [2024-11-09 14:42:21,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:42:21,166 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 14:42:21,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:42:21,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 14:42:21,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-09 14:42:21,168 INFO L87 Difference]: Start difference. First operand 3465 states and 4849 transitions. Second operand has 8 states, 8 states have (on average 14.625) internal successors, (117), 6 states have internal predecessors, (117), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 14:42:21,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:42:21,861 INFO L93 Difference]: Finished difference Result 6780 states and 9492 transitions. [2024-11-09 14:42:21,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 14:42:21,862 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.625) internal successors, (117), 6 states have internal predecessors, (117), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 139 [2024-11-09 14:42:21,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:42:21,871 INFO L225 Difference]: With dead ends: 6780 [2024-11-09 14:42:21,872 INFO L226 Difference]: Without dead ends: 3465 [2024-11-09 14:42:21,878 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-09 14:42:21,879 INFO L432 NwaCegarLoop]: 573 mSDtfsCounter, 51 mSDsluCounter, 2750 mSDsCounter, 0 mSdLazyCounter, 910 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 3323 SdHoareTripleChecker+Invalid, 929 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 910 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 14:42:21,879 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 3323 Invalid, 929 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 910 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 14:42:21,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3465 states. [2024-11-09 14:42:21,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3465 to 3465. [2024-11-09 14:42:21,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3465 states, 3363 states have (on average 1.4044008325899495) internal successors, (4723), 3379 states have internal predecessors, (4723), 54 states have call successors, (54), 38 states have call predecessors, (54), 35 states have return successors, (65), 47 states have call predecessors, (65), 54 states have call successors, (65) [2024-11-09 14:42:21,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3465 states to 3465 states and 4842 transitions. [2024-11-09 14:42:21,978 INFO L78 Accepts]: Start accepts. Automaton has 3465 states and 4842 transitions. Word has length 139 [2024-11-09 14:42:21,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:42:21,978 INFO L471 AbstractCegarLoop]: Abstraction has 3465 states and 4842 transitions. [2024-11-09 14:42:21,978 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.625) internal successors, (117), 6 states have internal predecessors, (117), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 14:42:21,979 INFO L276 IsEmpty]: Start isEmpty. Operand 3465 states and 4842 transitions. [2024-11-09 14:42:21,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-09 14:42:21,980 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:42:21,980 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] [2024-11-09 14:42:21,980 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-09 14:42:21,981 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-09 14:42:21,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:42:21,981 INFO L85 PathProgramCache]: Analyzing trace with hash -28418267, now seen corresponding path program 1 times [2024-11-09 14:42:21,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:42:21,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41351962] [2024-11-09 14:42:21,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:42:21,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:42:22,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:22,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-09 14:42:22,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:22,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-09 14:42:22,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:22,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-09 14:42:22,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:22,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-09 14:42:22,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:22,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 14:42:22,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:22,619 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-09 14:42:22,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:42:22,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41351962] [2024-11-09 14:42:22,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41351962] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:42:22,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 14:42:22,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-09 14:42:22,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55756950] [2024-11-09 14:42:22,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:42:22,620 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 14:42:22,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:42:22,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 14:42:22,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2024-11-09 14:42:22,621 INFO L87 Difference]: Start difference. First operand 3465 states and 4842 transitions. Second operand has 12 states, 12 states have (on average 9.75) internal successors, (117), 10 states have internal predecessors, (117), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 14:42:23,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:42:23,590 INFO L93 Difference]: Finished difference Result 6880 states and 9624 transitions. [2024-11-09 14:42:23,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 14:42:23,591 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.75) internal successors, (117), 10 states have internal predecessors, (117), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 139 [2024-11-09 14:42:23,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:42:23,599 INFO L225 Difference]: With dead ends: 6880 [2024-11-09 14:42:23,599 INFO L226 Difference]: Without dead ends: 3570 [2024-11-09 14:42:23,606 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2024-11-09 14:42:23,607 INFO L432 NwaCegarLoop]: 575 mSDtfsCounter, 69 mSDsluCounter, 3712 mSDsCounter, 0 mSdLazyCounter, 1386 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 4287 SdHoareTripleChecker+Invalid, 1406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-09 14:42:23,610 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 4287 Invalid, 1406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1386 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-09 14:42:23,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3570 states. [2024-11-09 14:42:23,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3570 to 3528. [2024-11-09 14:42:23,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3528 states, 3426 states have (on average 1.4004670169293636) internal successors, (4798), 3442 states have internal predecessors, (4798), 54 states have call successors, (54), 38 states have call predecessors, (54), 35 states have return successors, (65), 47 states have call predecessors, (65), 54 states have call successors, (65) [2024-11-09 14:42:23,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3528 states to 3528 states and 4917 transitions. [2024-11-09 14:42:23,693 INFO L78 Accepts]: Start accepts. Automaton has 3528 states and 4917 transitions. Word has length 139 [2024-11-09 14:42:23,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:42:23,693 INFO L471 AbstractCegarLoop]: Abstraction has 3528 states and 4917 transitions. [2024-11-09 14:42:23,694 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.75) internal successors, (117), 10 states have internal predecessors, (117), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 14:42:23,694 INFO L276 IsEmpty]: Start isEmpty. Operand 3528 states and 4917 transitions. [2024-11-09 14:42:23,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-09 14:42:23,695 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:42:23,695 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, 1] [2024-11-09 14:42:23,695 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-09 14:42:23,696 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-09 14:42:23,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:42:23,696 INFO L85 PathProgramCache]: Analyzing trace with hash 2005921723, now seen corresponding path program 1 times [2024-11-09 14:42:23,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:42:23,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350311662] [2024-11-09 14:42:23,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:42:23,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:42:23,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:24,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 14:42:24,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:24,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-09 14:42:24,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:24,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-09 14:42:24,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:24,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 14:42:24,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:24,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-09 14:42:24,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:24,214 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-09 14:42:24,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:42:24,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350311662] [2024-11-09 14:42:24,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350311662] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 14:42:24,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [766019963] [2024-11-09 14:42:24,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:42:24,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 14:42:24,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 14:42:24,218 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) [2024-11-09 14:42:24,220 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-09 14:42:24,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:24,791 INFO L255 TraceCheckSpWp]: Trace formula consists of 835 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-09 14:42:24,794 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 14:42:24,890 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 23 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 14:42:24,890 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 14:42:25,029 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-09 14:42:25,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [766019963] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 14:42:25,030 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 14:42:25,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10, 6] total 18 [2024-11-09 14:42:25,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195641674] [2024-11-09 14:42:25,030 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 14:42:25,031 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-09 14:42:25,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:42:25,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-09 14:42:25,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2024-11-09 14:42:25,032 INFO L87 Difference]: Start difference. First operand 3528 states and 4917 transitions. Second operand has 18 states, 18 states have (on average 8.88888888888889) internal successors, (160), 16 states have internal predecessors, (160), 3 states have call successors, (12), 4 states have call predecessors, (12), 6 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-09 14:42:26,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:42:26,136 INFO L93 Difference]: Finished difference Result 6933 states and 9687 transitions. [2024-11-09 14:42:26,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-09 14:42:26,137 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 8.88888888888889) internal successors, (160), 16 states have internal predecessors, (160), 3 states have call successors, (12), 4 states have call predecessors, (12), 6 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 140 [2024-11-09 14:42:26,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:42:26,146 INFO L225 Difference]: With dead ends: 6933 [2024-11-09 14:42:26,146 INFO L226 Difference]: Without dead ends: 3600 [2024-11-09 14:42:26,151 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 320 GetRequests, 282 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 292 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=251, Invalid=1309, Unknown=0, NotChecked=0, Total=1560 [2024-11-09 14:42:26,152 INFO L432 NwaCegarLoop]: 580 mSDtfsCounter, 101 mSDsluCounter, 6772 mSDsCounter, 0 mSdLazyCounter, 625 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 7352 SdHoareTripleChecker+Invalid, 663 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 625 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 14:42:26,152 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 7352 Invalid, 663 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 625 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 14:42:26,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3600 states. [2024-11-09 14:42:26,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3600 to 3568. [2024-11-09 14:42:26,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3568 states, 3465 states have (on average 1.4005772005772006) internal successors, (4853), 3478 states have internal predecessors, (4853), 54 states have call successors, (54), 42 states have call predecessors, (54), 36 states have return successors, (61), 47 states have call predecessors, (61), 54 states have call successors, (61) [2024-11-09 14:42:26,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3568 states to 3568 states and 4968 transitions. [2024-11-09 14:42:26,245 INFO L78 Accepts]: Start accepts. Automaton has 3568 states and 4968 transitions. Word has length 140 [2024-11-09 14:42:26,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:42:26,246 INFO L471 AbstractCegarLoop]: Abstraction has 3568 states and 4968 transitions. [2024-11-09 14:42:26,246 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 8.88888888888889) internal successors, (160), 16 states have internal predecessors, (160), 3 states have call successors, (12), 4 states have call predecessors, (12), 6 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-09 14:42:26,246 INFO L276 IsEmpty]: Start isEmpty. Operand 3568 states and 4968 transitions. [2024-11-09 14:42:26,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-09 14:42:26,247 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:42:26,248 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, 1] [2024-11-09 14:42:26,269 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-09 14:42:26,448 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,SelfDestructingSolverStorable23 [2024-11-09 14:42:26,448 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [alt_mallocErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_mallocErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, alt_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-09 14:42:26,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:42:26,449 INFO L85 PathProgramCache]: Analyzing trace with hash 464185025, now seen corresponding path program 2 times [2024-11-09 14:42:26,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:42:26,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315760427] [2024-11-09 14:42:26,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:42:26,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:42:26,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:27,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 14:42:27,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:27,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-09 14:42:27,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:27,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-09 14:42:27,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:27,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 14:42:27,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:27,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-09 14:42:27,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:27,219 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-09 14:42:27,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:42:27,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315760427] [2024-11-09 14:42:27,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315760427] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 14:42:27,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [687658517] [2024-11-09 14:42:27,219 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 14:42:27,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 14:42:27,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 14:42:27,222 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) [2024-11-09 14:42:27,223 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-09 14:42:27,617 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-09 14:42:27,617 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 14:42:27,620 INFO L255 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 14:42:27,623 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 14:42:27,633 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 [2024-11-09 14:42:27,647 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-09 14:42:27,647 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 14:42:27,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [687658517] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:42:27,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 14:42:27,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [11] total 12 [2024-11-09 14:42:27,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310704459] [2024-11-09 14:42:27,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:42:27,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 14:42:27,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:42:27,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 14:42:27,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-09 14:42:27,649 INFO L87 Difference]: Start difference. First operand 3568 states and 4968 transitions. Second operand has 3 states, 2 states have (on average 57.0) internal successors, (114), 3 states have internal predecessors, (114), 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) [2024-11-09 14:42:27,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:42:27,714 INFO L93 Difference]: Finished difference Result 3568 states and 4968 transitions. [2024-11-09 14:42:27,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 14:42:27,715 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 57.0) internal successors, (114), 3 states have internal predecessors, (114), 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 144 [2024-11-09 14:42:27,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:42:27,722 INFO L225 Difference]: With dead ends: 3568 [2024-11-09 14:42:27,722 INFO L226 Difference]: Without dead ends: 3567 [2024-11-09 14:42:27,723 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-09 14:42:27,724 INFO L432 NwaCegarLoop]: 609 mSDtfsCounter, 1 mSDsluCounter, 607 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1216 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 [2024-11-09 14:42:27,724 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1216 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 14:42:27,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3567 states. [2024-11-09 14:42:27,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3567 to 3567. [2024-11-09 14:42:27,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3567 states, 3465 states have (on average 1.3988455988455988) internal successors, (4847), 3477 states have internal predecessors, (4847), 54 states have call successors, (54), 42 states have call predecessors, (54), 36 states have return successors, (61), 47 states have call predecessors, (61), 54 states have call successors, (61) [2024-11-09 14:42:27,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3567 states to 3567 states and 4962 transitions. [2024-11-09 14:42:27,822 INFO L78 Accepts]: Start accepts. Automaton has 3567 states and 4962 transitions. Word has length 144 [2024-11-09 14:42:27,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:42:27,822 INFO L471 AbstractCegarLoop]: Abstraction has 3567 states and 4962 transitions. [2024-11-09 14:42:27,822 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 57.0) internal successors, (114), 3 states have internal predecessors, (114), 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) [2024-11-09 14:42:27,822 INFO L276 IsEmpty]: Start isEmpty. Operand 3567 states and 4962 transitions. [2024-11-09 14:42:27,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-09 14:42:27,824 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:42:27,824 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, 1] [2024-11-09 14:42:27,842 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-11-09 14:42:28,028 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,SelfDestructingSolverStorable24 [2024-11-09 14:42:28,030 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)] === [2024-11-09 14:42:28,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:42:28,031 INFO L85 PathProgramCache]: Analyzing trace with hash 1504833990, now seen corresponding path program 1 times [2024-11-09 14:42:28,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:42:28,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987461002] [2024-11-09 14:42:28,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:42:28,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:42:28,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:28,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 14:42:28,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:28,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-09 14:42:28,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:28,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-09 14:42:28,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:28,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 14:42:28,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:28,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-09 14:42:28,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:28,797 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 7 proven. 30 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-09 14:42:28,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:42:28,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987461002] [2024-11-09 14:42:28,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987461002] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 14:42:28,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1934523335] [2024-11-09 14:42:28,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:42:28,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 14:42:28,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 14:42:28,800 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) [2024-11-09 14:42:28,802 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-09 14:42:29,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:29,373 INFO L255 TraceCheckSpWp]: Trace formula consists of 896 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-09 14:42:29,377 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 14:42:29,592 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 35 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-09 14:42:29,592 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 14:42:29,843 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 7 proven. 30 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-09 14:42:29,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1934523335] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 14:42:29,844 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 14:42:29,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 14, 9] total 28 [2024-11-09 14:42:29,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805893126] [2024-11-09 14:42:29,844 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 14:42:29,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-09 14:42:29,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:42:29,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-09 14:42:29,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=626, Unknown=0, NotChecked=0, Total=756 [2024-11-09 14:42:29,846 INFO L87 Difference]: Start difference. First operand 3567 states and 4962 transitions. Second operand has 28 states, 28 states have (on average 6.142857142857143) internal successors, (172), 26 states have internal predecessors, (172), 3 states have call successors, (12), 4 states have call predecessors, (12), 6 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-09 14:42:31,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:42:31,339 INFO L93 Difference]: Finished difference Result 6577 states and 9134 transitions. [2024-11-09 14:42:31,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-09 14:42:31,340 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 6.142857142857143) internal successors, (172), 26 states have internal predecessors, (172), 3 states have call successors, (12), 4 states have call predecessors, (12), 6 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 145 [2024-11-09 14:42:31,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:42:31,345 INFO L225 Difference]: With dead ends: 6577 [2024-11-09 14:42:31,346 INFO L226 Difference]: Without dead ends: 3039 [2024-11-09 14:42:31,351 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 341 GetRequests, 285 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 654 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=527, Invalid=2779, Unknown=0, NotChecked=0, Total=3306 [2024-11-09 14:42:31,351 INFO L432 NwaCegarLoop]: 490 mSDtfsCounter, 126 mSDsluCounter, 6161 mSDsCounter, 0 mSdLazyCounter, 999 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 6651 SdHoareTripleChecker+Invalid, 1044 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 999 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 14:42:31,351 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 6651 Invalid, 1044 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 999 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 14:42:31,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3039 states. [2024-11-09 14:42:31,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3039 to 3017. [2024-11-09 14:42:31,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3017 states, 2915 states have (on average 1.376672384219554) internal successors, (4013), 2927 states have internal predecessors, (4013), 54 states have call successors, (54), 42 states have call predecessors, (54), 36 states have return successors, (61), 47 states have call predecessors, (61), 54 states have call successors, (61) [2024-11-09 14:42:31,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3017 states to 3017 states and 4128 transitions. [2024-11-09 14:42:31,449 INFO L78 Accepts]: Start accepts. Automaton has 3017 states and 4128 transitions. Word has length 145 [2024-11-09 14:42:31,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:42:31,450 INFO L471 AbstractCegarLoop]: Abstraction has 3017 states and 4128 transitions. [2024-11-09 14:42:31,470 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 6.142857142857143) internal successors, (172), 26 states have internal predecessors, (172), 3 states have call successors, (12), 4 states have call predecessors, (12), 6 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-09 14:42:31,470 INFO L276 IsEmpty]: Start isEmpty. Operand 3017 states and 4128 transitions. [2024-11-09 14:42:31,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-09 14:42:31,471 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:42:31,471 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] [2024-11-09 14:42:31,493 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-09 14:42:31,672 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 14:42:31,672 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)] === [2024-11-09 14:42:31,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:42:31,673 INFO L85 PathProgramCache]: Analyzing trace with hash -1814611385, now seen corresponding path program 2 times [2024-11-09 14:42:31,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:42:31,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685394096] [2024-11-09 14:42:31,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:42:31,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:42:31,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:32,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 14:42:32,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:32,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-09 14:42:32,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:32,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-09 14:42:32,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:32,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 14:42:32,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:32,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-09 14:42:32,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:32,733 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 7 proven. 126 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-11-09 14:42:32,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:42:32,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685394096] [2024-11-09 14:42:32,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685394096] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 14:42:32,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [430094522] [2024-11-09 14:42:32,734 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 14:42:32,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 14:42:32,734 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 14:42:32,736 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) [2024-11-09 14:42:32,739 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-09 14:42:33,374 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 14:42:33,374 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 14:42:33,379 INFO L255 TraceCheckSpWp]: Trace formula consists of 1031 conjuncts, 53 conjuncts are in the unsatisfiable core [2024-11-09 14:42:33,383 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 14:42:33,694 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 7 proven. 127 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 14:42:33,694 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 14:42:34,076 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 78 proven. 15 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-11-09 14:42:34,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [430094522] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 14:42:34,076 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 14:42:34,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 15, 10] total 37 [2024-11-09 14:42:34,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954911907] [2024-11-09 14:42:34,077 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 14:42:34,077 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-11-09 14:42:34,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:42:34,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-11-09 14:42:34,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=1186, Unknown=0, NotChecked=0, Total=1332 [2024-11-09 14:42:34,079 INFO L87 Difference]: Start difference. First operand 3017 states and 4128 transitions. Second operand has 37 states, 37 states have (on average 4.756756756756757) internal successors, (176), 35 states have internal predecessors, (176), 3 states have call successors, (10), 3 states have call predecessors, (10), 7 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-09 14:42:37,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:42:37,421 INFO L93 Difference]: Finished difference Result 5997 states and 8254 transitions. [2024-11-09 14:42:37,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-11-09 14:42:37,422 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 4.756756756756757) internal successors, (176), 35 states have internal predecessors, (176), 3 states have call successors, (10), 3 states have call predecessors, (10), 7 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 154 [2024-11-09 14:42:37,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:42:37,428 INFO L225 Difference]: With dead ends: 5997 [2024-11-09 14:42:37,428 INFO L226 Difference]: Without dead ends: 3099 [2024-11-09 14:42:37,433 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 385 GetRequests, 301 SyntacticMatches, 0 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1485 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=984, Invalid=6326, Unknown=0, NotChecked=0, Total=7310 [2024-11-09 14:42:37,433 INFO L432 NwaCegarLoop]: 501 mSDtfsCounter, 194 mSDsluCounter, 10767 mSDsCounter, 0 mSdLazyCounter, 1477 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 11268 SdHoareTripleChecker+Invalid, 1561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 1477 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-09 14:42:37,434 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 11268 Invalid, 1561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 1477 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-09 14:42:37,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3099 states. [2024-11-09 14:42:37,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3099 to 3053. [2024-11-09 14:42:37,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3053 states, 2951 states have (on average 1.3707217892239918) internal successors, (4045), 2962 states have internal predecessors, (4045), 54 states have call successors, (54), 43 states have call predecessors, (54), 36 states have return successors, (61), 47 states have call predecessors, (61), 54 states have call successors, (61) [2024-11-09 14:42:37,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3053 states to 3053 states and 4160 transitions. [2024-11-09 14:42:37,545 INFO L78 Accepts]: Start accepts. Automaton has 3053 states and 4160 transitions. Word has length 154 [2024-11-09 14:42:37,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:42:37,546 INFO L471 AbstractCegarLoop]: Abstraction has 3053 states and 4160 transitions. [2024-11-09 14:42:37,546 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 4.756756756756757) internal successors, (176), 35 states have internal predecessors, (176), 3 states have call successors, (10), 3 states have call predecessors, (10), 7 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-09 14:42:37,546 INFO L276 IsEmpty]: Start isEmpty. Operand 3053 states and 4160 transitions. [2024-11-09 14:42:37,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-09 14:42:37,547 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:42:37,548 INFO L215 NwaCegarLoop]: trace histogram [23, 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] [2024-11-09 14:42:37,570 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-11-09 14:42:37,748 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 [2024-11-09 14:42:37,749 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)] === [2024-11-09 14:42:37,749 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:42:37,749 INFO L85 PathProgramCache]: Analyzing trace with hash -365863679, now seen corresponding path program 3 times [2024-11-09 14:42:37,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:42:37,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096720901] [2024-11-09 14:42:37,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:42:37,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:42:37,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:38,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 14:42:38,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:38,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-09 14:42:38,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:38,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-09 14:42:38,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:38,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-09 14:42:38,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:38,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-09 14:42:38,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:42:38,925 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 7 proven. 227 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2024-11-09 14:42:38,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:42:38,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096720901] [2024-11-09 14:42:38,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096720901] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 14:42:38,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1257415799] [2024-11-09 14:42:38,926 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 14:42:38,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 14:42:38,926 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 14:42:38,930 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) [2024-11-09 14:42:38,932 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-09 14:42:39,470 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-09 14:42:39,471 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 14:42:39,476 INFO L255 TraceCheckSpWp]: Trace formula consists of 630 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-09 14:42:39,480 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 14:42:39,488 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 15 treesize of output 1 [2024-11-09 14:42:39,951 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 36 treesize of output 13 [2024-11-09 14:42:40,020 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 29 treesize of output 13 [2024-11-09 14:42:40,052 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 313 trivial. 0 not checked. [2024-11-09 14:42:40,052 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 14:42:40,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1257415799] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 14:42:40,665 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 14:42:40,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 8] total 25 [2024-11-09 14:42:40,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095179615] [2024-11-09 14:42:40,665 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 14:42:40,666 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-09 14:42:40,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:42:40,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-09 14:42:40,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=830, Unknown=0, NotChecked=0, Total=930 [2024-11-09 14:42:40,667 INFO L87 Difference]: Start difference. First operand 3053 states and 4160 transitions. Second operand has 25 states, 25 states have (on average 10.16) internal successors, (254), 23 states have internal predecessors, (254), 4 states have call successors, (10), 4 states have call predecessors, (10), 3 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-09 14:42:46,403 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 14:42:50,699 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0]