./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 470d7065e9fd450e98d72326ef313763cf0710ea45f0a443b018e8a49bdf7927 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 23:39:19,017 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 23:39:19,073 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-14 23:39:19,078 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 23:39:19,078 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 23:39:19,101 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 23:39:19,103 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 23:39:19,104 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 23:39:19,104 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 23:39:19,105 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 23:39:19,105 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 23:39:19,105 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 23:39:19,105 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 23:39:19,107 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 23:39:19,107 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 23:39:19,108 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 23:39:19,108 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 23:39:19,108 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 23:39:19,108 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 23:39:19,108 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 23:39:19,109 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 23:39:19,112 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 23:39:19,112 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 23:39:19,112 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 23:39:19,113 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 23:39:19,113 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-14 23:39:19,113 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-14 23:39:19,113 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 23:39:19,113 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 23:39:19,113 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 23:39:19,114 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 23:39:19,114 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 23:39:19,114 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 23:39:19,114 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 23:39:19,114 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 23:39:19,114 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 23:39:19,114 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 23:39:19,114 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 23:39:19,115 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 23:39:19,115 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 23:39:19,115 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 23:39:19,115 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 23:39:19,116 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 23:39:19,116 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 23:39:19,116 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 470d7065e9fd450e98d72326ef313763cf0710ea45f0a443b018e8a49bdf7927 [2024-10-14 23:39:19,311 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 23:39:19,329 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 23:39:19,331 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 23:39:19,332 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 23:39:19,332 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 23:39:19,333 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-1.i [2024-10-14 23:39:20,602 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 23:39:20,803 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 23:39:20,803 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-1.i [2024-10-14 23:39:20,817 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18ab7c460/b3250e24bec5438fb5ae437b802a920a/FLAG8931ee016 [2024-10-14 23:39:21,146 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18ab7c460/b3250e24bec5438fb5ae437b802a920a [2024-10-14 23:39:21,148 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 23:39:21,150 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 23:39:21,151 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 23:39:21,152 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 23:39:21,157 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 23:39:21,157 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:39:21" (1/1) ... [2024-10-14 23:39:21,158 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5adfb22b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:39:21, skipping insertion in model container [2024-10-14 23:39:21,158 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:39:21" (1/1) ... [2024-10-14 23:39:21,198 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 23:39:21,528 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 23:39:21,538 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 23:39:21,617 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 23:39:21,657 INFO L204 MainTranslator]: Completed translation [2024-10-14 23:39:21,658 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:39:21 WrapperNode [2024-10-14 23:39:21,658 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 23:39:21,659 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 23:39:21,659 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 23:39:21,659 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 23:39:21,663 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:39:21" (1/1) ... [2024-10-14 23:39:21,690 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:39:21" (1/1) ... [2024-10-14 23:39:21,731 INFO L138 Inliner]: procedures = 176, calls = 180, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 849 [2024-10-14 23:39:21,732 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 23:39:21,732 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 23:39:21,733 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 23:39:21,733 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 23:39:21,743 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:39:21" (1/1) ... [2024-10-14 23:39:21,743 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:39:21" (1/1) ... [2024-10-14 23:39:21,750 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:39:21" (1/1) ... [2024-10-14 23:39:21,795 INFO L175 MemorySlicer]: Split 158 memory accesses to 2 slices as follows [2, 156]. 99 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 42 writes are split as follows [0, 42]. [2024-10-14 23:39:21,795 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:39:21" (1/1) ... [2024-10-14 23:39:21,795 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:39:21" (1/1) ... [2024-10-14 23:39:21,824 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:39:21" (1/1) ... [2024-10-14 23:39:21,837 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:39:21" (1/1) ... [2024-10-14 23:39:21,839 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:39:21" (1/1) ... [2024-10-14 23:39:21,846 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:39:21" (1/1) ... [2024-10-14 23:39:21,851 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 23:39:21,855 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 23:39:21,855 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 23:39:21,855 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 23:39:21,856 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:39:21" (1/1) ... [2024-10-14 23:39:21,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 23:39:21,867 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 23:39:21,883 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-14 23:39:21,885 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-14 23:39:21,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-14 23:39:21,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-14 23:39:21,941 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-14 23:39:21,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-14 23:39:21,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-14 23:39:21,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-14 23:39:21,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-10-14 23:39:21,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-10-14 23:39:21,942 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-10-14 23:39:21,943 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-10-14 23:39:21,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-14 23:39:21,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 23:39:21,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-14 23:39:21,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-14 23:39:21,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-14 23:39:21,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-14 23:39:21,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-14 23:39:21,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 23:39:21,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-14 23:39:21,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 23:39:21,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 23:39:22,110 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 23:39:22,112 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 23:39:22,852 INFO L? ?]: Removed 214 outVars from TransFormulas that were not future-live. [2024-10-14 23:39:22,853 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 23:39:22,875 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 23:39:22,876 INFO L314 CfgBuilder]: Removed 31 assume(true) statements. [2024-10-14 23:39:22,876 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:39:22 BoogieIcfgContainer [2024-10-14 23:39:22,876 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 23:39:22,878 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 23:39:22,878 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 23:39:22,881 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 23:39:22,881 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:39:21" (1/3) ... [2024-10-14 23:39:22,882 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e159c54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:39:22, skipping insertion in model container [2024-10-14 23:39:22,882 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:39:21" (2/3) ... [2024-10-14 23:39:22,882 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e159c54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:39:22, skipping insertion in model container [2024-10-14 23:39:22,882 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:39:22" (3/3) ... [2024-10-14 23:39:22,883 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test1-1.i [2024-10-14 23:39:22,894 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 23:39:22,895 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-10-14 23:39:22,954 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 23:39:22,961 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;@6dd5e8bb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 23:39:22,961 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-10-14 23:39:22,965 INFO L276 IsEmpty]: Start isEmpty. Operand has 241 states, 219 states have (on average 1.639269406392694) internal successors, (359), 235 states have internal predecessors, (359), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-14 23:39:22,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-10-14 23:39:22,969 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:39:22,969 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-10-14 23:39:22,970 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 23:39:22,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:39:22,975 INFO L85 PathProgramCache]: Analyzing trace with hash 862200430, now seen corresponding path program 1 times [2024-10-14 23:39:22,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:39:22,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994907223] [2024-10-14 23:39:22,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:39:22,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:39:23,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:39:23,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:39:23,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:39:23,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994907223] [2024-10-14 23:39:23,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994907223] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:39:23,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:39:23,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 23:39:23,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355861890] [2024-10-14 23:39:23,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:39:23,180 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 23:39:23,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:39:23,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 23:39:23,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 23:39:23,202 INFO L87 Difference]: Start difference. First operand has 241 states, 219 states have (on average 1.639269406392694) internal successors, (359), 235 states have internal predecessors, (359), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:39:23,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:39:23,292 INFO L93 Difference]: Finished difference Result 675 states and 1098 transitions. [2024-10-14 23:39:23,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 23:39:23,300 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 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 5 [2024-10-14 23:39:23,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:39:23,309 INFO L225 Difference]: With dead ends: 675 [2024-10-14 23:39:23,310 INFO L226 Difference]: Without dead ends: 432 [2024-10-14 23:39:23,312 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 23:39:23,316 INFO L432 NwaCegarLoop]: 337 mSDtfsCounter, 276 mSDsluCounter, 334 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 279 SdHoareTripleChecker+Valid, 671 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 23:39:23,316 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [279 Valid, 671 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 23:39:23,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2024-10-14 23:39:23,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 241. [2024-10-14 23:39:23,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 221 states have (on average 1.4570135746606334) internal successors, (322), 235 states have internal predecessors, (322), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-14 23:39:23,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 348 transitions. [2024-10-14 23:39:23,368 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 348 transitions. Word has length 5 [2024-10-14 23:39:23,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:39:23,369 INFO L471 AbstractCegarLoop]: Abstraction has 241 states and 348 transitions. [2024-10-14 23:39:23,369 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:39:23,369 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 348 transitions. [2024-10-14 23:39:23,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-10-14 23:39:23,372 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:39:23,373 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] [2024-10-14 23:39:23,373 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 23:39:23,373 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 23:39:23,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:39:23,374 INFO L85 PathProgramCache]: Analyzing trace with hash -765766938, now seen corresponding path program 1 times [2024-10-14 23:39:23,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:39:23,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112958172] [2024-10-14 23:39:23,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:39:23,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:39:23,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:39:23,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:39:23,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:39:23,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112958172] [2024-10-14 23:39:23,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1112958172] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:39:23,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:39:23,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 23:39:23,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877992670] [2024-10-14 23:39:23,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:39:23,722 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 23:39:23,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:39:23,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 23:39:23,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-14 23:39:23,723 INFO L87 Difference]: Start difference. First operand 241 states and 348 transitions. Second operand has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:39:23,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:39:23,815 INFO L93 Difference]: Finished difference Result 479 states and 693 transitions. [2024-10-14 23:39:23,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 23:39:23,817 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 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 79 [2024-10-14 23:39:23,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:39:23,819 INFO L225 Difference]: With dead ends: 479 [2024-10-14 23:39:23,819 INFO L226 Difference]: Without dead ends: 244 [2024-10-14 23:39:23,819 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-14 23:39:23,821 INFO L432 NwaCegarLoop]: 312 mSDtfsCounter, 93 mSDsluCounter, 533 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 845 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 23:39:23,821 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 845 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 23:39:23,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2024-10-14 23:39:23,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 241. [2024-10-14 23:39:23,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 221 states have (on average 1.4253393665158371) internal successors, (315), 235 states have internal predecessors, (315), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-14 23:39:23,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 341 transitions. [2024-10-14 23:39:23,832 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 341 transitions. Word has length 79 [2024-10-14 23:39:23,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:39:23,832 INFO L471 AbstractCegarLoop]: Abstraction has 241 states and 341 transitions. [2024-10-14 23:39:23,833 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:39:23,833 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 341 transitions. [2024-10-14 23:39:23,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-10-14 23:39:23,835 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:39:23,835 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] [2024-10-14 23:39:23,835 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 23:39:23,835 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 23:39:23,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:39:23,836 INFO L85 PathProgramCache]: Analyzing trace with hash -196627238, now seen corresponding path program 1 times [2024-10-14 23:39:23,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:39:23,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125961382] [2024-10-14 23:39:23,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:39:23,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:39:23,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:39:24,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:39:24,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:39:24,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125961382] [2024-10-14 23:39:24,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125961382] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:39:24,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:39:24,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 23:39:24,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649268764] [2024-10-14 23:39:24,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:39:24,033 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 23:39:24,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:39:24,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 23:39:24,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 23:39:24,034 INFO L87 Difference]: Start difference. First operand 241 states and 341 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:39:24,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:39:24,094 INFO L93 Difference]: Finished difference Result 482 states and 685 transitions. [2024-10-14 23:39:24,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 23:39:24,095 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 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 79 [2024-10-14 23:39:24,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:39:24,096 INFO L225 Difference]: With dead ends: 482 [2024-10-14 23:39:24,096 INFO L226 Difference]: Without dead ends: 247 [2024-10-14 23:39:24,096 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 23:39:24,097 INFO L432 NwaCegarLoop]: 327 mSDtfsCounter, 1 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 633 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 23:39:24,097 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 633 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 23:39:24,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2024-10-14 23:39:24,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 247. [2024-10-14 23:39:24,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 227 states have (on average 1.4140969162995596) internal successors, (321), 241 states have internal predecessors, (321), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-14 23:39:24,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 347 transitions. [2024-10-14 23:39:24,114 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 347 transitions. Word has length 79 [2024-10-14 23:39:24,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:39:24,115 INFO L471 AbstractCegarLoop]: Abstraction has 247 states and 347 transitions. [2024-10-14 23:39:24,115 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:39:24,115 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 347 transitions. [2024-10-14 23:39:24,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-10-14 23:39:24,118 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:39:24,118 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] [2024-10-14 23:39:24,118 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 23:39:24,119 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 23:39:24,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:39:24,119 INFO L85 PathProgramCache]: Analyzing trace with hash 284453020, now seen corresponding path program 1 times [2024-10-14 23:39:24,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:39:24,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304783295] [2024-10-14 23:39:24,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:39:24,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:39:24,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:39:24,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:39:24,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:39:24,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304783295] [2024-10-14 23:39:24,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304783295] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:39:24,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:39:24,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 23:39:24,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182744727] [2024-10-14 23:39:24,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:39:24,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 23:39:24,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:39:24,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 23:39:24,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 23:39:24,253 INFO L87 Difference]: Start difference. First operand 247 states and 347 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 2 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:39:24,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:39:24,309 INFO L93 Difference]: Finished difference Result 621 states and 881 transitions. [2024-10-14 23:39:24,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 23:39:24,311 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 2 states have internal predecessors, (79), 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 79 [2024-10-14 23:39:24,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:39:24,313 INFO L225 Difference]: With dead ends: 621 [2024-10-14 23:39:24,313 INFO L226 Difference]: Without dead ends: 380 [2024-10-14 23:39:24,313 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 23:39:24,314 INFO L432 NwaCegarLoop]: 332 mSDtfsCounter, 134 mSDsluCounter, 325 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 657 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 23:39:24,316 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 657 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 23:39:24,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2024-10-14 23:39:24,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 380. [2024-10-14 23:39:24,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 380 states, 360 states have (on average 1.425) internal successors, (513), 374 states have internal predecessors, (513), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-14 23:39:24,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 539 transitions. [2024-10-14 23:39:24,333 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 539 transitions. Word has length 79 [2024-10-14 23:39:24,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:39:24,334 INFO L471 AbstractCegarLoop]: Abstraction has 380 states and 539 transitions. [2024-10-14 23:39:24,334 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 2 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:39:24,334 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 539 transitions. [2024-10-14 23:39:24,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-10-14 23:39:24,336 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:39:24,336 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:39:24,336 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 23:39:24,336 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 23:39:24,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:39:24,336 INFO L85 PathProgramCache]: Analyzing trace with hash 108991345, now seen corresponding path program 1 times [2024-10-14 23:39:24,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:39:24,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047612060] [2024-10-14 23:39:24,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:39:24,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:39:24,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:39:24,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-14 23:39:24,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:39:24,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-14 23:39:24,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:39:24,553 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-14 23:39:24,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:39:24,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047612060] [2024-10-14 23:39:24,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047612060] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:39:24,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:39:24,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 23:39:24,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625132041] [2024-10-14 23:39:24,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:39:24,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 23:39:24,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:39:24,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 23:39:24,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 23:39:24,558 INFO L87 Difference]: Start difference. First operand 380 states and 539 transitions. Second operand has 5 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 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) [2024-10-14 23:39:24,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:39:24,774 INFO L93 Difference]: Finished difference Result 448 states and 633 transitions. [2024-10-14 23:39:24,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 23:39:24,775 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 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 92 [2024-10-14 23:39:24,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:39:24,777 INFO L225 Difference]: With dead ends: 448 [2024-10-14 23:39:24,779 INFO L226 Difference]: Without dead ends: 446 [2024-10-14 23:39:24,779 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 23:39:24,780 INFO L432 NwaCegarLoop]: 365 mSDtfsCounter, 191 mSDsluCounter, 944 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 1309 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 23:39:24,780 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 1309 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 23:39:24,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2024-10-14 23:39:24,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 444. [2024-10-14 23:39:24,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 444 states, 421 states have (on average 1.4038004750593824) internal successors, (591), 435 states have internal predecessors, (591), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-14 23:39:24,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 623 transitions. [2024-10-14 23:39:24,793 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 623 transitions. Word has length 92 [2024-10-14 23:39:24,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:39:24,793 INFO L471 AbstractCegarLoop]: Abstraction has 444 states and 623 transitions. [2024-10-14 23:39:24,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 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) [2024-10-14 23:39:24,794 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 623 transitions. [2024-10-14 23:39:24,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-10-14 23:39:24,797 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:39:24,797 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:39:24,798 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 23:39:24,798 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 23:39:24,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:39:24,798 INFO L85 PathProgramCache]: Analyzing trace with hash -1984949995, now seen corresponding path program 1 times [2024-10-14 23:39:24,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:39:24,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712070037] [2024-10-14 23:39:24,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:39:24,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:39:24,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:39:24,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-14 23:39:24,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:39:24,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-14 23:39:24,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:39:24,997 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-14 23:39:24,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:39:24,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712070037] [2024-10-14 23:39:24,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712070037] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 23:39:24,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [727005867] [2024-10-14 23:39:24,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:39:24,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 23:39:24,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 23:39:25,002 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 23:39:25,004 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-14 23:39:25,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:39:25,200 INFO L255 TraceCheckSpWp]: Trace formula consists of 553 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 23:39:25,206 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 23:39:25,370 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-14 23:39:25,370 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 23:39:25,515 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-14 23:39:25,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [727005867] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 23:39:25,516 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 23:39:25,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2024-10-14 23:39:25,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707847509] [2024-10-14 23:39:25,516 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 23:39:25,516 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-14 23:39:25,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:39:25,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-14 23:39:25,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-10-14 23:39:25,517 INFO L87 Difference]: Start difference. First operand 444 states and 623 transitions. Second operand has 11 states, 11 states have (on average 23.90909090909091) internal successors, (263), 10 states have internal predecessors, (263), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-14 23:39:25,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:39:25,810 INFO L93 Difference]: Finished difference Result 683 states and 974 transitions. [2024-10-14 23:39:25,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-14 23:39:25,811 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 23.90909090909091) internal successors, (263), 10 states have internal predecessors, (263), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 97 [2024-10-14 23:39:25,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:39:25,813 INFO L225 Difference]: With dead ends: 683 [2024-10-14 23:39:25,813 INFO L226 Difference]: Without dead ends: 651 [2024-10-14 23:39:25,814 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-10-14 23:39:25,817 INFO L432 NwaCegarLoop]: 363 mSDtfsCounter, 1056 mSDsluCounter, 2253 mSDsCounter, 0 mSdLazyCounter, 268 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1070 SdHoareTripleChecker+Valid, 2616 SdHoareTripleChecker+Invalid, 288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 23:39:25,818 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1070 Valid, 2616 Invalid, 288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 268 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 23:39:25,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 651 states. [2024-10-14 23:39:25,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 651 to 649. [2024-10-14 23:39:25,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 649 states, 623 states have (on average 1.3996789727126806) internal successors, (872), 637 states have internal predecessors, (872), 19 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 10 states have call predecessors, (19), 19 states have call successors, (19) [2024-10-14 23:39:25,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 649 states and 910 transitions. [2024-10-14 23:39:25,834 INFO L78 Accepts]: Start accepts. Automaton has 649 states and 910 transitions. Word has length 97 [2024-10-14 23:39:25,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:39:25,834 INFO L471 AbstractCegarLoop]: Abstraction has 649 states and 910 transitions. [2024-10-14 23:39:25,835 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 23.90909090909091) internal successors, (263), 10 states have internal predecessors, (263), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-14 23:39:25,835 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 910 transitions. [2024-10-14 23:39:25,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-10-14 23:39:25,835 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:39:25,836 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:39:25,850 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-14 23:39:26,036 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-10-14 23:39:26,037 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 23:39:26,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:39:26,037 INFO L85 PathProgramCache]: Analyzing trace with hash -1424784398, now seen corresponding path program 1 times [2024-10-14 23:39:26,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:39:26,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849319456] [2024-10-14 23:39:26,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:39:26,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:39:26,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:39:26,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-14 23:39:26,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:39:26,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-14 23:39:26,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:39:26,457 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-14 23:39:26,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:39:26,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849319456] [2024-10-14 23:39:26,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1849319456] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 23:39:26,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [974633245] [2024-10-14 23:39:26,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:39:26,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 23:39:26,458 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 23:39:26,461 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 23:39:26,462 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-14 23:39:26,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:39:26,673 INFO L255 TraceCheckSpWp]: Trace formula consists of 560 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-10-14 23:39:26,677 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 23:39:26,708 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-10-14 23:39:26,730 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 21 treesize of output 20 [2024-10-14 23:39:27,236 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-14 23:39:27,237 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 86 treesize of output 58 [2024-10-14 23:39:27,423 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-14 23:39:27,423 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 23:39:27,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [974633245] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:39:27,423 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 23:39:27,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [5] total 15 [2024-10-14 23:39:27,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230219881] [2024-10-14 23:39:27,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:39:27,424 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-14 23:39:27,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:39:27,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-14 23:39:27,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2024-10-14 23:39:27,426 INFO L87 Difference]: Start difference. First operand 649 states and 910 transitions. Second operand has 12 states, 12 states have (on average 7.666666666666667) internal successors, (92), 11 states have internal predecessors, (92), 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) [2024-10-14 23:39:28,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:39:28,898 INFO L93 Difference]: Finished difference Result 1243 states and 1738 transitions. [2024-10-14 23:39:28,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 23:39:28,898 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.666666666666667) internal successors, (92), 11 states have internal predecessors, (92), 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 98 [2024-10-14 23:39:28,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:39:28,901 INFO L225 Difference]: With dead ends: 1243 [2024-10-14 23:39:28,901 INFO L226 Difference]: Without dead ends: 686 [2024-10-14 23:39:28,902 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=103, Invalid=403, Unknown=0, NotChecked=0, Total=506 [2024-10-14 23:39:28,902 INFO L432 NwaCegarLoop]: 358 mSDtfsCounter, 541 mSDsluCounter, 1772 mSDsCounter, 0 mSdLazyCounter, 921 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 543 SdHoareTripleChecker+Valid, 2130 SdHoareTripleChecker+Invalid, 930 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 921 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-14 23:39:28,902 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [543 Valid, 2130 Invalid, 930 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 921 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-14 23:39:28,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 686 states. [2024-10-14 23:39:28,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 686 to 681. [2024-10-14 23:39:28,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 681 states, 655 states have (on average 1.3877862595419848) internal successors, (909), 669 states have internal predecessors, (909), 19 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 10 states have call predecessors, (19), 19 states have call successors, (19) [2024-10-14 23:39:28,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 681 states and 947 transitions. [2024-10-14 23:39:28,916 INFO L78 Accepts]: Start accepts. Automaton has 681 states and 947 transitions. Word has length 98 [2024-10-14 23:39:28,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:39:28,916 INFO L471 AbstractCegarLoop]: Abstraction has 681 states and 947 transitions. [2024-10-14 23:39:28,916 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.666666666666667) internal successors, (92), 11 states have internal predecessors, (92), 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) [2024-10-14 23:39:28,916 INFO L276 IsEmpty]: Start isEmpty. Operand 681 states and 947 transitions. [2024-10-14 23:39:28,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-10-14 23:39:28,917 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:39:28,917 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:39:28,931 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-14 23:39:29,118 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-10-14 23:39:29,118 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-14 23:39:29,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:39:29,119 INFO L85 PathProgramCache]: Analyzing trace with hash -830079265, now seen corresponding path program 1 times [2024-10-14 23:39:29,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:39:29,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466405108] [2024-10-14 23:39:29,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:39:29,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:39:29,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:39:29,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-14 23:39:29,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:39:29,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 23:39:29,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:39:29,369 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-14 23:39:29,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:39:29,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466405108] [2024-10-14 23:39:29,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [466405108] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 23:39:29,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1709493272] [2024-10-14 23:39:29,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:39:29,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 23:39:29,370 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 23:39:29,371 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 23:39:29,372 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-14 23:39:29,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:39:29,585 INFO L255 TraceCheckSpWp]: Trace formula consists of 561 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-10-14 23:39:29,590 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 23:40:04,885 WARN L286 SmtUtils]: Spent 8.31s 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) [2024-10-14 23:40:10,028 WARN L286 SmtUtils]: Spent 5.14s on a formula simplification that was a NOOP. DAG size: 30 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-10-14 23:40:43,121 WARN L286 SmtUtils]: Spent 5.47s on a formula simplification. DAG size of input: 30 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-10-14 23:40:56,515 WARN L286 SmtUtils]: Spent 12.01s 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)