./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 72a3b80a468e10df778a3b8ff41e4c2b1e0b82c1005f056b209a19315511b1a5 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 21:34:34,632 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 21:34:34,706 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-20 21:34:34,712 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 21:34:34,713 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 21:34:34,740 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 21:34:34,741 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 21:34:34,742 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 21:34:34,742 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 21:34:34,743 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 21:34:34,743 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 21:34:34,743 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 21:34:34,744 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 21:34:34,746 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 21:34:34,748 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 21:34:34,749 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 21:34:34,749 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 21:34:34,749 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 21:34:34,750 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 21:34:34,750 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 21:34:34,750 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 21:34:34,750 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 21:34:34,751 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 21:34:34,751 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 21:34:34,751 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 21:34:34,751 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-20 21:34:34,752 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 21:34:34,752 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 21:34:34,752 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 21:34:34,752 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 21:34:34,753 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 21:34:34,753 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 21:34:34,753 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 21:34:34,753 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 21:34:34,754 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 21:34:34,754 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 21:34:34,756 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 21:34:34,757 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 21:34:34,757 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 21:34:34,757 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 21:34:34,758 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 21:34:34,758 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 21:34:34,758 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 21:34:34,758 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 21:34:34,759 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 72a3b80a468e10df778a3b8ff41e4c2b1e0b82c1005f056b209a19315511b1a5 [2024-11-20 21:34:35,000 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 21:34:35,024 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 21:34:35,027 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 21:34:35,028 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 21:34:35,029 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 21:34:35,030 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-2.i [2024-11-20 21:34:36,470 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 21:34:36,753 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 21:34:36,754 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-2.i [2024-11-20 21:34:36,780 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eeeb6e9eb/dbf5e7b3d9fd44bc96c2a556f19621e2/FLAG4609bbd89 [2024-11-20 21:34:36,794 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eeeb6e9eb/dbf5e7b3d9fd44bc96c2a556f19621e2 [2024-11-20 21:34:36,796 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 21:34:36,797 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 21:34:36,799 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 21:34:36,799 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 21:34:36,805 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 21:34:36,806 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:34:36" (1/1) ... [2024-11-20 21:34:36,807 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79ae602b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:34:36, skipping insertion in model container [2024-11-20 21:34:36,807 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:34:36" (1/1) ... [2024-11-20 21:34:36,863 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 21:34:37,481 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 21:34:37,500 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 21:34:37,580 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 21:34:37,628 INFO L204 MainTranslator]: Completed translation [2024-11-20 21:34:37,628 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:34:37 WrapperNode [2024-11-20 21:34:37,629 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 21:34:37,630 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 21:34:37,630 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 21:34:37,630 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 21:34:37,638 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:34:37" (1/1) ... [2024-11-20 21:34:37,682 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:34:37" (1/1) ... [2024-11-20 21:34:37,760 INFO L138 Inliner]: procedures = 177, calls = 330, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1629 [2024-11-20 21:34:37,760 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 21:34:37,761 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 21:34:37,762 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 21:34:37,762 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 21:34:37,779 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:34:37" (1/1) ... [2024-11-20 21:34:37,779 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:34:37" (1/1) ... [2024-11-20 21:34:37,792 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:34:37" (1/1) ... [2024-11-20 21:34:37,892 INFO L175 MemorySlicer]: Split 303 memory accesses to 3 slices as follows [267, 2, 34]. 88 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [0, 2, 0]. The 62 writes are split as follows [58, 0, 4]. [2024-11-20 21:34:37,893 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:34:37" (1/1) ... [2024-11-20 21:34:37,893 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:34:37" (1/1) ... [2024-11-20 21:34:37,939 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:34:37" (1/1) ... [2024-11-20 21:34:37,961 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:34:37" (1/1) ... [2024-11-20 21:34:37,975 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:34:37" (1/1) ... [2024-11-20 21:34:37,986 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:34:37" (1/1) ... [2024-11-20 21:34:38,002 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 21:34:38,003 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 21:34:38,003 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 21:34:38,004 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 21:34:38,005 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:34:37" (1/1) ... [2024-11-20 21:34:38,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 21:34:38,024 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 21:34:38,042 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) [2024-11-20 21:34:38,047 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 [2024-11-20 21:34:38,091 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-20 21:34:38,092 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-20 21:34:38,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-20 21:34:38,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-20 21:34:38,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-20 21:34:38,092 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-20 21:34:38,092 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-20 21:34:38,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-20 21:34:38,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-20 21:34:38,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-20 21:34:38,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-20 21:34:38,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-20 21:34:38,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-20 21:34:38,095 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-20 21:34:38,095 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-20 21:34:38,095 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-20 21:34:38,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-20 21:34:38,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 21:34:38,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-20 21:34:38,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-20 21:34:38,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-20 21:34:38,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-20 21:34:38,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-20 21:34:38,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-20 21:34:38,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-20 21:34:38,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-20 21:34:38,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 21:34:38,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-20 21:34:38,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-20 21:34:38,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 21:34:38,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 21:34:38,359 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 21:34:38,362 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 21:34:39,952 INFO L? ?]: Removed 358 outVars from TransFormulas that were not future-live. [2024-11-20 21:34:39,952 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 21:34:39,985 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 21:34:39,985 INFO L316 CfgBuilder]: Removed 72 assume(true) statements. [2024-11-20 21:34:39,985 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:34:39 BoogieIcfgContainer [2024-11-20 21:34:39,985 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 21:34:39,991 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 21:34:39,992 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 21:34:39,995 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 21:34:39,995 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:34:36" (1/3) ... [2024-11-20 21:34:39,996 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a81469f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:34:39, skipping insertion in model container [2024-11-20 21:34:39,996 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:34:37" (2/3) ... [2024-11-20 21:34:39,996 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a81469f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:34:39, skipping insertion in model container [2024-11-20 21:34:39,996 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:34:39" (3/3) ... [2024-11-20 21:34:39,997 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test3-2.i [2024-11-20 21:34:40,015 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 21:34:40,016 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-11-20 21:34:40,093 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 21:34:40,099 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;@27554f1f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 21:34:40,099 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-20 21:34:40,105 INFO L276 IsEmpty]: Start isEmpty. Operand has 464 states, 442 states have (on average 1.6289592760180995) internal successors, (720), 457 states have internal predecessors, (720), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 6 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-20 21:34:40,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-20 21:34:40,112 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:34:40,113 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:34:40,114 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-20 21:34:40,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:34:40,119 INFO L85 PathProgramCache]: Analyzing trace with hash 170881670, now seen corresponding path program 1 times [2024-11-20 21:34:40,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:34:40,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45333275] [2024-11-20 21:34:40,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:34:40,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:34:40,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:34:40,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:34:40,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:34:40,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45333275] [2024-11-20 21:34:40,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45333275] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:34:40,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:34:40,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 21:34:40,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151755980] [2024-11-20 21:34:40,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:34:40,306 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 21:34:40,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:34:40,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 21:34:40,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 21:34:40,332 INFO L87 Difference]: Start difference. First operand has 464 states, 442 states have (on average 1.6289592760180995) internal successors, (720), 457 states have internal predecessors, (720), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 6 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) [2024-11-20 21:34:40,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:34:40,413 INFO L93 Difference]: Finished difference Result 924 states and 1482 transitions. [2024-11-20 21:34:40,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 21:34:40,419 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 7 [2024-11-20 21:34:40,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:34:40,431 INFO L225 Difference]: With dead ends: 924 [2024-11-20 21:34:40,432 INFO L226 Difference]: Without dead ends: 420 [2024-11-20 21:34:40,438 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 [2024-11-20 21:34:40,441 INFO L432 NwaCegarLoop]: 659 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, 659 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 [2024-11-20 21:34:40,443 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 659 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 21:34:40,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2024-11-20 21:34:40,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 420. [2024-11-20 21:34:40,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 420 states, 402 states have (on average 1.4601990049751243) internal successors, (587), 414 states have internal predecessors, (587), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-20 21:34:40,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 603 transitions. [2024-11-20 21:34:40,547 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 603 transitions. Word has length 7 [2024-11-20 21:34:40,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:34:40,547 INFO L471 AbstractCegarLoop]: Abstraction has 420 states and 603 transitions. [2024-11-20 21:34:40,548 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) [2024-11-20 21:34:40,548 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 603 transitions. [2024-11-20 21:34:40,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-20 21:34:40,548 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:34:40,549 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:34:40,549 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 21:34:40,549 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-20 21:34:40,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:34:40,550 INFO L85 PathProgramCache]: Analyzing trace with hash 170883592, now seen corresponding path program 1 times [2024-11-20 21:34:40,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:34:40,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517702974] [2024-11-20 21:34:40,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:34:40,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:34:40,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 21:34:40,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [702721718] [2024-11-20 21:34:40,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:34:40,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 21:34:40,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 21:34:40,617 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) [2024-11-20 21:34:40,619 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-20 21:34:40,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:34:40,792 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-20 21:34:40,797 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 21:34:40,833 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 [2024-11-20 21:34:40,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:34:40,877 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 21:34:40,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:34:40,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517702974] [2024-11-20 21:34:40,882 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 21:34:40,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [702721718] [2024-11-20 21:34:40,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [702721718] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:34:40,882 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:34:40,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 21:34:40,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072087173] [2024-11-20 21:34:40,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:34:40,883 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 21:34:40,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:34:40,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 21:34:40,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 21:34:40,886 INFO L87 Difference]: Start difference. First operand 420 states and 603 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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) [2024-11-20 21:34:41,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:34:41,069 INFO L93 Difference]: Finished difference Result 830 states and 1197 transitions. [2024-11-20 21:34:41,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 21:34:41,070 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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 7 [2024-11-20 21:34:41,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:34:41,075 INFO L225 Difference]: With dead ends: 830 [2024-11-20 21:34:41,075 INFO L226 Difference]: Without dead ends: 828 [2024-11-20 21:34:41,075 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 21:34:41,076 INFO L432 NwaCegarLoop]: 625 mSDtfsCounter, 571 mSDsluCounter, 1195 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 579 SdHoareTripleChecker+Valid, 1820 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 21:34:41,077 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [579 Valid, 1820 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 21:34:41,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2024-11-20 21:34:41,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 426. [2024-11-20 21:34:41,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 426 states, 408 states have (on average 1.4558823529411764) internal successors, (594), 420 states have internal predecessors, (594), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-20 21:34:41,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 610 transitions. [2024-11-20 21:34:41,106 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 610 transitions. Word has length 7 [2024-11-20 21:34:41,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:34:41,107 INFO L471 AbstractCegarLoop]: Abstraction has 426 states and 610 transitions. [2024-11-20 21:34:41,107 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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) [2024-11-20 21:34:41,107 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 610 transitions. [2024-11-20 21:34:41,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-20 21:34:41,107 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:34:41,108 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:34:41,115 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-20 21:34:41,308 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 [2024-11-20 21:34:41,309 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-20 21:34:41,309 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:34:41,309 INFO L85 PathProgramCache]: Analyzing trace with hash -157664827, now seen corresponding path program 1 times [2024-11-20 21:34:41,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:34:41,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782882120] [2024-11-20 21:34:41,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:34:41,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:34:41,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:34:41,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:34:41,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:34:41,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782882120] [2024-11-20 21:34:41,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782882120] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:34:41,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:34:41,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 21:34:41,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045904409] [2024-11-20 21:34:41,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:34:41,459 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 21:34:41,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:34:41,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 21:34:41,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 21:34:41,460 INFO L87 Difference]: Start difference. First operand 426 states and 610 transitions. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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) [2024-11-20 21:34:41,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:34:41,598 INFO L93 Difference]: Finished difference Result 1038 states and 1500 transitions. [2024-11-20 21:34:41,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 21:34:41,599 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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 10 [2024-11-20 21:34:41,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:34:41,603 INFO L225 Difference]: With dead ends: 1038 [2024-11-20 21:34:41,603 INFO L226 Difference]: Without dead ends: 827 [2024-11-20 21:34:41,607 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 [2024-11-20 21:34:41,608 INFO L432 NwaCegarLoop]: 585 mSDtfsCounter, 572 mSDsluCounter, 1156 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 580 SdHoareTripleChecker+Valid, 1741 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 21:34:41,609 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [580 Valid, 1741 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 21:34:41,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 827 states. [2024-11-20 21:34:41,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 827 to 426. [2024-11-20 21:34:41,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 426 states, 408 states have (on average 1.4534313725490196) internal successors, (593), 420 states have internal predecessors, (593), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-20 21:34:41,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 609 transitions. [2024-11-20 21:34:41,625 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 609 transitions. Word has length 10 [2024-11-20 21:34:41,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:34:41,625 INFO L471 AbstractCegarLoop]: Abstraction has 426 states and 609 transitions. [2024-11-20 21:34:41,626 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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) [2024-11-20 21:34:41,626 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 609 transitions. [2024-11-20 21:34:41,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-20 21:34:41,630 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:34:41,630 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] [2024-11-20 21:34:41,630 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 21:34:41,630 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-20 21:34:41,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:34:41,631 INFO L85 PathProgramCache]: Analyzing trace with hash 205854116, now seen corresponding path program 1 times [2024-11-20 21:34:41,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:34:41,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864345882] [2024-11-20 21:34:41,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:34:41,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:34:41,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:34:42,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:34:42,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:34:42,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864345882] [2024-11-20 21:34:42,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [864345882] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:34:42,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:34:42,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 21:34:42,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631582749] [2024-11-20 21:34:42,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:34:42,092 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 21:34:42,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:34:42,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 21:34:42,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 21:34:42,093 INFO L87 Difference]: Start difference. First operand 426 states and 609 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 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) [2024-11-20 21:34:42,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:34:42,176 INFO L93 Difference]: Finished difference Result 802 states and 1144 transitions. [2024-11-20 21:34:42,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 21:34:42,177 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 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 81 [2024-11-20 21:34:42,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:34:42,179 INFO L225 Difference]: With dead ends: 802 [2024-11-20 21:34:42,180 INFO L226 Difference]: Without dead ends: 384 [2024-11-20 21:34:42,181 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 21:34:42,182 INFO L432 NwaCegarLoop]: 500 mSDtfsCounter, 27 mSDsluCounter, 982 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 1482 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 21:34:42,183 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 1482 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 21:34:42,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2024-11-20 21:34:42,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 384. [2024-11-20 21:34:42,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 384 states, 366 states have (on average 1.4098360655737705) internal successors, (516), 378 states have internal predecessors, (516), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-20 21:34:42,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 532 transitions. [2024-11-20 21:34:42,197 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 532 transitions. Word has length 81 [2024-11-20 21:34:42,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:34:42,198 INFO L471 AbstractCegarLoop]: Abstraction has 384 states and 532 transitions. [2024-11-20 21:34:42,198 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 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) [2024-11-20 21:34:42,198 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 532 transitions. [2024-11-20 21:34:42,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-20 21:34:42,202 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:34:42,203 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] [2024-11-20 21:34:42,203 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 21:34:42,203 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-20 21:34:42,204 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:34:42,205 INFO L85 PathProgramCache]: Analyzing trace with hash -1580811434, now seen corresponding path program 1 times [2024-11-20 21:34:42,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:34:42,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069487452] [2024-11-20 21:34:42,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:34:42,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:34:42,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:34:42,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:34:42,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:34:42,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069487452] [2024-11-20 21:34:42,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069487452] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:34:42,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:34:42,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 21:34:42,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522771998] [2024-11-20 21:34:42,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:34:42,400 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 21:34:42,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:34:42,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 21:34:42,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 21:34:42,401 INFO L87 Difference]: Start difference. First operand 384 states and 532 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 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) [2024-11-20 21:34:42,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:34:42,514 INFO L93 Difference]: Finished difference Result 1029 states and 1445 transitions. [2024-11-20 21:34:42,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 21:34:42,515 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 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 81 [2024-11-20 21:34:42,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:34:42,518 INFO L225 Difference]: With dead ends: 1029 [2024-11-20 21:34:42,519 INFO L226 Difference]: Without dead ends: 653 [2024-11-20 21:34:42,520 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 [2024-11-20 21:34:42,521 INFO L432 NwaCegarLoop]: 733 mSDtfsCounter, 316 mSDsluCounter, 501 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 321 SdHoareTripleChecker+Valid, 1234 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 21:34:42,521 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [321 Valid, 1234 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 21:34:42,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 653 states. [2024-11-20 21:34:42,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 653 to 631. [2024-11-20 21:34:42,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 631 states, 613 states have (on average 1.4241435562805873) internal successors, (873), 625 states have internal predecessors, (873), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-20 21:34:42,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 631 states and 889 transitions. [2024-11-20 21:34:42,541 INFO L78 Accepts]: Start accepts. Automaton has 631 states and 889 transitions. Word has length 81 [2024-11-20 21:34:42,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:34:42,544 INFO L471 AbstractCegarLoop]: Abstraction has 631 states and 889 transitions. [2024-11-20 21:34:42,544 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 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) [2024-11-20 21:34:42,547 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 889 transitions. [2024-11-20 21:34:42,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-20 21:34:42,548 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:34:42,549 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-20 21:34:42,549 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 21:34:42,549 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-20 21:34:42,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:34:42,550 INFO L85 PathProgramCache]: Analyzing trace with hash -1560347521, now seen corresponding path program 1 times [2024-11-20 21:34:42,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:34:42,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799314285] [2024-11-20 21:34:42,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:34:42,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:34:42,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:34:42,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-20 21:34:42,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:34:42,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-20 21:34:42,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:34:42,791 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 21:34:42,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:34:42,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799314285] [2024-11-20 21:34:42,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799314285] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:34:42,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:34:42,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 21:34:42,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138922592] [2024-11-20 21:34:42,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:34:42,794 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 21:34:42,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:34:42,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 21:34:42,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 21:34:42,797 INFO L87 Difference]: Start difference. First operand 631 states and 889 transitions. Second operand has 4 states, 4 states have (on average 22.25) internal successors, (89), 3 states have internal predecessors, (89), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 21:34:43,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:34:43,153 INFO L93 Difference]: Finished difference Result 1229 states and 1744 transitions. [2024-11-20 21:34:43,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 21:34:43,154 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 3 states have internal predecessors, (89), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 96 [2024-11-20 21:34:43,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:34:43,158 INFO L225 Difference]: With dead ends: 1229 [2024-11-20 21:34:43,158 INFO L226 Difference]: Without dead ends: 634 [2024-11-20 21:34:43,159 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 21:34:43,161 INFO L432 NwaCegarLoop]: 510 mSDtfsCounter, 7 mSDsluCounter, 912 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 1422 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 21:34:43,162 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 1422 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 21:34:43,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 634 states. [2024-11-20 21:34:43,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 634 to 631. [2024-11-20 21:34:43,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 631 states, 613 states have (on average 1.4143556280587275) internal successors, (867), 625 states have internal predecessors, (867), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-20 21:34:43,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 631 states and 883 transitions. [2024-11-20 21:34:43,186 INFO L78 Accepts]: Start accepts. Automaton has 631 states and 883 transitions. Word has length 96 [2024-11-20 21:34:43,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:34:43,187 INFO L471 AbstractCegarLoop]: Abstraction has 631 states and 883 transitions. [2024-11-20 21:34:43,187 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 3 states have internal predecessors, (89), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 21:34:43,187 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 883 transitions. [2024-11-20 21:34:43,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-20 21:34:43,191 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:34:43,191 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-20 21:34:43,191 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-20 21:34:43,191 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-20 21:34:43,192 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:34:43,192 INFO L85 PathProgramCache]: Analyzing trace with hash 543228923, now seen corresponding path program 1 times [2024-11-20 21:34:43,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:34:43,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552088304] [2024-11-20 21:34:43,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:34:43,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:34:43,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:34:43,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-20 21:34:43,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:34:43,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-20 21:34:43,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:34:43,639 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 21:34:43,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:34:43,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552088304] [2024-11-20 21:34:43,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552088304] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:34:43,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:34:43,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 21:34:43,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085399961] [2024-11-20 21:34:43,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:34:43,643 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 21:34:43,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:34:43,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 21:34:43,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 21:34:43,644 INFO L87 Difference]: Start difference. First operand 631 states and 883 transitions. Second operand has 5 states, 4 states have (on average 22.25) internal successors, (89), 4 states have internal predecessors, (89), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 21:34:44,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:34:44,059 INFO L93 Difference]: Finished difference Result 939 states and 1325 transitions. [2024-11-20 21:34:44,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 21:34:44,060 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.25) internal successors, (89), 4 states have internal predecessors, (89), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 96 [2024-11-20 21:34:44,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:34:44,064 INFO L225 Difference]: With dead ends: 939 [2024-11-20 21:34:44,064 INFO L226 Difference]: Without dead ends: 937 [2024-11-20 21:34:44,065 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-20 21:34:44,065 INFO L432 NwaCegarLoop]: 538 mSDtfsCounter, 409 mSDsluCounter, 1448 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 416 SdHoareTripleChecker+Valid, 1986 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-20 21:34:44,065 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [416 Valid, 1986 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-20 21:34:44,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 937 states. [2024-11-20 21:34:44,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 937 to 695. [2024-11-20 21:34:44,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 695 states, 674 states have (on average 1.4020771513353116) internal successors, (945), 686 states have internal predecessors, (945), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-20 21:34:44,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 695 states and 967 transitions. [2024-11-20 21:34:44,083 INFO L78 Accepts]: Start accepts. Automaton has 695 states and 967 transitions. Word has length 96 [2024-11-20 21:34:44,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:34:44,084 INFO L471 AbstractCegarLoop]: Abstraction has 695 states and 967 transitions. [2024-11-20 21:34:44,084 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.25) internal successors, (89), 4 states have internal predecessors, (89), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 21:34:44,084 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 967 transitions. [2024-11-20 21:34:44,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-20 21:34:44,085 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:34:44,085 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:34:44,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-20 21:34:44,086 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-20 21:34:44,086 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:34:44,086 INFO L85 PathProgramCache]: Analyzing trace with hash -1882511398, now seen corresponding path program 1 times [2024-11-20 21:34:44,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:34:44,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933797274] [2024-11-20 21:34:44,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:34:44,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:34:44,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:34:44,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-20 21:34:44,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:34:44,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-20 21:34:44,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:34:44,512 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-20 21:34:44,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:34:44,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933797274] [2024-11-20 21:34:44,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933797274] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 21:34:44,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1607854685] [2024-11-20 21:34:44,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:34:44,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 21:34:44,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 21:34:44,517 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) [2024-11-20 21:34:44,519 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-20 21:34:44,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:34:44,856 INFO L255 TraceCheckSpWp]: Trace formula consists of 605 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-20 21:34:44,863 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 21:34:44,867 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 [2024-11-20 21:34:44,890 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 [2024-11-20 21:34:44,908 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-11-20 21:34:45,404 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-20 21:34:45,404 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 77 treesize of output 55 [2024-11-20 21:34:45,664 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 21:34:45,665 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 21:34:45,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1607854685] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:34:45,665 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 21:34:45,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [5] total 14 [2024-11-20 21:34:45,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21438099] [2024-11-20 21:34:45,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:34:45,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-20 21:34:45,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:34:45,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-20 21:34:45,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2024-11-20 21:34:45,669 INFO L87 Difference]: Start difference. First operand 695 states and 967 transitions. Second operand has 11 states, 11 states have (on average 8.636363636363637) internal successors, (95), 11 states have internal predecessors, (95), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 21:34:47,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:34:47,413 INFO L93 Difference]: Finished difference Result 1585 states and 2233 transitions. [2024-11-20 21:34:47,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-20 21:34:47,414 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.636363636363637) internal successors, (95), 11 states have internal predecessors, (95), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 102 [2024-11-20 21:34:47,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:34:47,418 INFO L225 Difference]: With dead ends: 1585 [2024-11-20 21:34:47,420 INFO L226 Difference]: Without dead ends: 936 [2024-11-20 21:34:47,422 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=89, Invalid=373, Unknown=0, NotChecked=0, Total=462 [2024-11-20 21:34:47,422 INFO L432 NwaCegarLoop]: 531 mSDtfsCounter, 601 mSDsluCounter, 3476 mSDsCounter, 0 mSdLazyCounter, 1045 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 608 SdHoareTripleChecker+Valid, 4007 SdHoareTripleChecker+Invalid, 1050 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1045 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-20 21:34:47,423 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [608 Valid, 4007 Invalid, 1050 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1045 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-20 21:34:47,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 936 states. [2024-11-20 21:34:47,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 936 to 695. [2024-11-20 21:34:47,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 695 states, 674 states have (on average 1.400593471810089) internal successors, (944), 686 states have internal predecessors, (944), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-20 21:34:47,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 695 states and 966 transitions. [2024-11-20 21:34:47,455 INFO L78 Accepts]: Start accepts. Automaton has 695 states and 966 transitions. Word has length 102 [2024-11-20 21:34:47,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:34:47,456 INFO L471 AbstractCegarLoop]: Abstraction has 695 states and 966 transitions. [2024-11-20 21:34:47,456 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.636363636363637) internal successors, (95), 11 states have internal predecessors, (95), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 21:34:47,456 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 966 transitions. [2024-11-20 21:34:47,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-20 21:34:47,457 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:34:47,458 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:34:47,469 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-20 21:34:47,662 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-11-20 21:34:47,663 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-20 21:34:47,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:34:47,663 INFO L85 PathProgramCache]: Analyzing trace with hash 882787763, now seen corresponding path program 1 times [2024-11-20 21:34:47,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:34:47,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931877124] [2024-11-20 21:34:47,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:34:47,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:34:47,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:34:48,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-20 21:34:48,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:34:48,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 21:34:48,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:34:48,141 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-20 21:34:48,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:34:48,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931877124] [2024-11-20 21:34:48,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931877124] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 21:34:48,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1752440776] [2024-11-20 21:34:48,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:34:48,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 21:34:48,142 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 21:34:48,144 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) [2024-11-20 21:34:48,145 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-20 21:34:48,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:34:48,704 INFO L255 TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-20 21:34:48,712 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 21:35:09,028 WARN L286 SmtUtils]: Spent 7.12s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-20 21:35:23,341 WARN L286 SmtUtils]: Spent 5.01s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-20 21:35:56,580 WARN L286 SmtUtils]: Spent 6.09s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)