./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench/egcd2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench/egcd2.c -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 11cdb5bed69a75a9cee8de74836901a4710f318ddce5b4d49fd94a2d2bed7371 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 18:56:05,800 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 18:56:05,861 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-10 18:56:05,866 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 18:56:05,876 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 18:56:05,895 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 18:56:05,896 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 18:56:05,897 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 18:56:05,897 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 18:56:05,897 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 18:56:05,898 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 18:56:05,898 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 18:56:05,898 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 18:56:05,899 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 18:56:05,899 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 18:56:05,899 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 18:56:05,899 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 18:56:05,900 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 18:56:05,900 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 18:56:05,900 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 18:56:05,900 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 18:56:05,901 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 18:56:05,901 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 18:56:05,901 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 18:56:05,903 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 18:56:05,903 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 18:56:05,903 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 18:56:05,903 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 18:56:05,903 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 18:56:05,903 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 18:56:05,904 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 18:56:05,904 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 18:56:05,904 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 18:56:05,904 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 18:56:05,904 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 18:56:05,904 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 18:56:05,905 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 18:56:05,905 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 18:56:05,905 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 18:56:05,905 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 18:56:05,905 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 18:56:05,908 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 18:56:05,908 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 18:56:05,908 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 18:56:05,909 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 11cdb5bed69a75a9cee8de74836901a4710f318ddce5b4d49fd94a2d2bed7371 [2024-11-10 18:56:06,102 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 18:56:06,121 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 18:56:06,122 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 18:56:06,125 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 18:56:06,126 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 18:56:06,126 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench/egcd2.c [2024-11-10 18:56:07,314 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 18:56:07,468 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 18:56:07,468 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench/egcd2.c [2024-11-10 18:56:07,474 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/648027a08/11e75acc49684418af601551ced6b0a4/FLAG5e91c0950 [2024-11-10 18:56:07,876 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/648027a08/11e75acc49684418af601551ced6b0a4 [2024-11-10 18:56:07,880 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 18:56:07,881 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 18:56:07,882 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 18:56:07,882 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 18:56:07,886 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 18:56:07,886 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:56:07" (1/1) ... [2024-11-10 18:56:07,888 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@459a894 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:56:07, skipping insertion in model container [2024-11-10 18:56:07,888 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:56:07" (1/1) ... [2024-11-10 18:56:07,903 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 18:56:08,040 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 18:56:08,047 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 18:56:08,062 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 18:56:08,073 INFO L204 MainTranslator]: Completed translation [2024-11-10 18:56:08,074 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:56:08 WrapperNode [2024-11-10 18:56:08,074 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 18:56:08,075 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 18:56:08,075 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 18:56:08,075 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 18:56:08,079 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:56:08" (1/1) ... [2024-11-10 18:56:08,088 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:56:08" (1/1) ... [2024-11-10 18:56:08,104 INFO L138 Inliner]: procedures = 14, calls = 24, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 147 [2024-11-10 18:56:08,104 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 18:56:08,105 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 18:56:08,105 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 18:56:08,105 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 18:56:08,112 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:56:08" (1/1) ... [2024-11-10 18:56:08,112 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:56:08" (1/1) ... [2024-11-10 18:56:08,114 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:56:08" (1/1) ... [2024-11-10 18:56:08,130 INFO L175 MemorySlicer]: Split 10 memory accesses to 2 slices as follows [2, 8]. 80 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 8]. The 0 writes are split as follows [0, 0]. [2024-11-10 18:56:08,130 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:56:08" (1/1) ... [2024-11-10 18:56:08,130 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:56:08" (1/1) ... [2024-11-10 18:56:08,136 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:56:08" (1/1) ... [2024-11-10 18:56:08,136 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:56:08" (1/1) ... [2024-11-10 18:56:08,137 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:56:08" (1/1) ... [2024-11-10 18:56:08,138 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:56:08" (1/1) ... [2024-11-10 18:56:08,146 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 18:56:08,148 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 18:56:08,148 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 18:56:08,148 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 18:56:08,149 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:56:08" (1/1) ... [2024-11-10 18:56:08,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 18:56:08,164 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:56:08,179 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) [2024-11-10 18:56:08,182 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 [2024-11-10 18:56:08,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 18:56:08,217 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 18:56:08,217 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 18:56:08,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 18:56:08,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-10 18:56:08,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 18:56:08,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 18:56:08,218 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-10 18:56:08,218 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-10 18:56:08,274 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 18:56:08,276 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 18:56:08,742 INFO L? ?]: Removed 187 outVars from TransFormulas that were not future-live. [2024-11-10 18:56:08,742 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 18:56:08,759 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 18:56:08,759 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 18:56:08,760 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:56:08 BoogieIcfgContainer [2024-11-10 18:56:08,760 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 18:56:08,761 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 18:56:08,762 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 18:56:08,764 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 18:56:08,765 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 06:56:07" (1/3) ... [2024-11-10 18:56:08,765 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31d07170 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:56:08, skipping insertion in model container [2024-11-10 18:56:08,765 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:56:08" (2/3) ... [2024-11-10 18:56:08,766 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31d07170 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:56:08, skipping insertion in model container [2024-11-10 18:56:08,766 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:56:08" (3/3) ... [2024-11-10 18:56:08,767 INFO L112 eAbstractionObserver]: Analyzing ICFG egcd2.c [2024-11-10 18:56:08,779 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 18:56:08,779 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 64 error locations. [2024-11-10 18:56:08,829 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 18:56:08,834 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;@cd2b185, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 18:56:08,834 INFO L334 AbstractCegarLoop]: Starting to check reachability of 64 error locations. [2024-11-10 18:56:08,841 INFO L276 IsEmpty]: Start isEmpty. Operand has 164 states, 89 states have (on average 1.8089887640449438) internal successors, (161), 153 states have internal predecessors, (161), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-10 18:56:08,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-10 18:56:08,847 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:56:08,847 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:56:08,848 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-10 18:56:08,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:56:08,852 INFO L85 PathProgramCache]: Analyzing trace with hash 833891713, now seen corresponding path program 1 times [2024-11-10 18:56:08,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:56:08,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938552112] [2024-11-10 18:56:08,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:56:08,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:56:08,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:08,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 18:56:08,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:08,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 18:56:08,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:08,995 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 18:56:08,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:56:08,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938552112] [2024-11-10 18:56:08,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938552112] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:56:08,996 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:56:08,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:56:09,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630868691] [2024-11-10 18:56:09,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:56:09,005 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 18:56:09,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:56:09,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 18:56:09,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 18:56:09,026 INFO L87 Difference]: Start difference. First operand has 164 states, 89 states have (on average 1.8089887640449438) internal successors, (161), 153 states have internal predecessors, (161), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 18:56:09,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:56:09,058 INFO L93 Difference]: Finished difference Result 324 states and 357 transitions. [2024-11-10 18:56:09,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 18:56:09,060 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 15 [2024-11-10 18:56:09,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:56:09,067 INFO L225 Difference]: With dead ends: 324 [2024-11-10 18:56:09,068 INFO L226 Difference]: Without dead ends: 157 [2024-11-10 18:56:09,071 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 18:56:09,075 INFO L432 NwaCegarLoop]: 170 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, 170 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 [2024-11-10 18:56:09,076 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:56:09,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2024-11-10 18:56:09,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2024-11-10 18:56:09,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 84 states have (on average 1.7738095238095237) internal successors, (149), 147 states have internal predecessors, (149), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-10 18:56:09,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 163 transitions. [2024-11-10 18:56:09,120 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 163 transitions. Word has length 15 [2024-11-10 18:56:09,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:56:09,121 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 163 transitions. [2024-11-10 18:56:09,121 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 18:56:09,121 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 163 transitions. [2024-11-10 18:56:09,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-10 18:56:09,122 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:56:09,123 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:56:09,123 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 18:56:09,123 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-10 18:56:09,124 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:56:09,124 INFO L85 PathProgramCache]: Analyzing trace with hash -339445850, now seen corresponding path program 1 times [2024-11-10 18:56:09,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:56:09,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180596473] [2024-11-10 18:56:09,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:56:09,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:56:09,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:09,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 18:56:09,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:09,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 18:56:09,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:09,342 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-10 18:56:09,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:56:09,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180596473] [2024-11-10 18:56:09,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180596473] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:56:09,343 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:56:09,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 18:56:09,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662962227] [2024-11-10 18:56:09,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:56:09,344 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 18:56:09,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:56:09,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 18:56:09,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-10 18:56:09,345 INFO L87 Difference]: Start difference. First operand 157 states and 163 transitions. Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 18:56:10,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:56:10,233 INFO L93 Difference]: Finished difference Result 274 states and 298 transitions. [2024-11-10 18:56:10,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 18:56:10,233 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 17 [2024-11-10 18:56:10,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:56:10,235 INFO L225 Difference]: With dead ends: 274 [2024-11-10 18:56:10,235 INFO L226 Difference]: Without dead ends: 244 [2024-11-10 18:56:10,235 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-10 18:56:10,236 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 256 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 412 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 261 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 412 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-10 18:56:10,236 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [261 Valid, 288 Invalid, 421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 412 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-10 18:56:10,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2024-11-10 18:56:10,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 213. [2024-11-10 18:56:10,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 136 states have (on average 1.8014705882352942) internal successors, (245), 199 states have internal predecessors, (245), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-10 18:56:10,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 267 transitions. [2024-11-10 18:56:10,257 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 267 transitions. Word has length 17 [2024-11-10 18:56:10,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:56:10,258 INFO L471 AbstractCegarLoop]: Abstraction has 213 states and 267 transitions. [2024-11-10 18:56:10,258 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 18:56:10,258 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 267 transitions. [2024-11-10 18:56:10,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-10 18:56:10,259 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:56:10,259 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:56:10,260 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 18:56:10,260 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr63ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-10 18:56:10,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:56:10,260 INFO L85 PathProgramCache]: Analyzing trace with hash 210230264, now seen corresponding path program 1 times [2024-11-10 18:56:10,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:56:10,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365204648] [2024-11-10 18:56:10,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:56:10,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:56:10,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 18:56:10,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1298521116] [2024-11-10 18:56:10,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:56:10,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:56:10,283 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:56:10,287 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) [2024-11-10 18:56:10,288 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-10 18:56:10,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:10,334 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 18:56:10,337 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:56:10,356 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 18:56:10,356 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:56:10,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:56:10,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365204648] [2024-11-10 18:56:10,358 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 18:56:10,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1298521116] [2024-11-10 18:56:10,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1298521116] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:56:10,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:56:10,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:56:10,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796288144] [2024-11-10 18:56:10,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:56:10,361 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:56:10,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:56:10,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:56:10,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:56:10,362 INFO L87 Difference]: Start difference. First operand 213 states and 267 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2024-11-10 18:56:10,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:56:10,468 INFO L93 Difference]: Finished difference Result 376 states and 489 transitions. [2024-11-10 18:56:10,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:56:10,468 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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 19 [2024-11-10 18:56:10,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:56:10,470 INFO L225 Difference]: With dead ends: 376 [2024-11-10 18:56:10,471 INFO L226 Difference]: Without dead ends: 368 [2024-11-10 18:56:10,471 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:56:10,472 INFO L432 NwaCegarLoop]: 140 mSDtfsCounter, 95 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:56:10,472 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 270 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:56:10,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2024-11-10 18:56:10,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 325. [2024-11-10 18:56:10,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 240 states have (on average 1.8) internal successors, (432), 303 states have internal predecessors, (432), 19 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-10 18:56:10,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 470 transitions. [2024-11-10 18:56:10,496 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 470 transitions. Word has length 19 [2024-11-10 18:56:10,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:56:10,496 INFO L471 AbstractCegarLoop]: Abstraction has 325 states and 470 transitions. [2024-11-10 18:56:10,496 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2024-11-10 18:56:10,497 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 470 transitions. [2024-11-10 18:56:10,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-10 18:56:10,497 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:56:10,497 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:56:10,510 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-10 18:56:10,705 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:56:10,706 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-10 18:56:10,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:56:10,707 INFO L85 PathProgramCache]: Analyzing trace with hash 167824310, now seen corresponding path program 1 times [2024-11-10 18:56:10,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:56:10,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022132626] [2024-11-10 18:56:10,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:56:10,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:56:10,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:10,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 18:56:10,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:10,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 18:56:10,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:10,837 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-10 18:56:10,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:56:10,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022132626] [2024-11-10 18:56:10,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022132626] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:56:10,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [369629810] [2024-11-10 18:56:10,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:56:10,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:56:10,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:56:10,840 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) [2024-11-10 18:56:10,840 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-10 18:56:10,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:10,875 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 18:56:10,875 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:56:10,964 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 18:56:10,965 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:56:10,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [369629810] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:56:10,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 18:56:10,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 10 [2024-11-10 18:56:10,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371927742] [2024-11-10 18:56:10,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:56:10,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 18:56:10,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:56:10,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 18:56:10,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-10 18:56:10,967 INFO L87 Difference]: Start difference. First operand 325 states and 470 transitions. Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 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) [2024-11-10 18:56:15,322 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 18:56:19,895 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 18:56:20,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:56:20,071 INFO L93 Difference]: Finished difference Result 406 states and 472 transitions. [2024-11-10 18:56:20,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 18:56:20,072 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 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 21 [2024-11-10 18:56:20,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:56:20,073 INFO L225 Difference]: With dead ends: 406 [2024-11-10 18:56:20,073 INFO L226 Difference]: Without dead ends: 405 [2024-11-10 18:56:20,073 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2024-11-10 18:56:20,074 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 492 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 283 mSolverCounterSat, 19 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 497 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 283 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:56:20,074 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [497 Valid, 254 Invalid, 304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 283 Invalid, 2 Unknown, 0 Unchecked, 9.1s Time] [2024-11-10 18:56:20,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2024-11-10 18:56:20,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 325. [2024-11-10 18:56:20,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 240 states have (on average 1.7958333333333334) internal successors, (431), 303 states have internal predecessors, (431), 19 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-10 18:56:20,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 469 transitions. [2024-11-10 18:56:20,094 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 469 transitions. Word has length 21 [2024-11-10 18:56:20,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:56:20,094 INFO L471 AbstractCegarLoop]: Abstraction has 325 states and 469 transitions. [2024-11-10 18:56:20,094 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 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) [2024-11-10 18:56:20,094 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 469 transitions. [2024-11-10 18:56:20,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-10 18:56:20,095 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:56:20,095 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:56:20,112 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-10 18:56:20,295 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,SelfDestructingSolverStorable3 [2024-11-10 18:56:20,296 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr60ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-10 18:56:20,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:56:20,296 INFO L85 PathProgramCache]: Analyzing trace with hash 907586420, now seen corresponding path program 1 times [2024-11-10 18:56:20,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:56:20,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193526779] [2024-11-10 18:56:20,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:56:20,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:56:20,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 18:56:20,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1091848080] [2024-11-10 18:56:20,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:56:20,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:56:20,304 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:56:20,305 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) [2024-11-10 18:56:20,307 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-10 18:56:20,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:20,337 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 18:56:20,338 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:56:20,397 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 18:56:20,397 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:56:20,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:56:20,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193526779] [2024-11-10 18:56:20,398 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 18:56:20,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1091848080] [2024-11-10 18:56:20,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1091848080] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:56:20,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:56:20,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 18:56:20,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596805842] [2024-11-10 18:56:20,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:56:20,398 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 18:56:20,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:56:20,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 18:56:20,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 18:56:20,399 INFO L87 Difference]: Start difference. First operand 325 states and 469 transitions. Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 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) [2024-11-10 18:56:21,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:56:21,534 INFO L93 Difference]: Finished difference Result 406 states and 471 transitions. [2024-11-10 18:56:21,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 18:56:21,535 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 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 22 [2024-11-10 18:56:21,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:56:21,538 INFO L225 Difference]: With dead ends: 406 [2024-11-10 18:56:21,538 INFO L226 Difference]: Without dead ends: 405 [2024-11-10 18:56:21,539 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-10 18:56:21,540 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 442 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 332 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 447 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 348 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 332 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:56:21,541 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [447 Valid, 281 Invalid, 348 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 332 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-10 18:56:21,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2024-11-10 18:56:21,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 325. [2024-11-10 18:56:21,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 240 states have (on average 1.7916666666666667) internal successors, (430), 303 states have internal predecessors, (430), 19 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-10 18:56:21,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 468 transitions. [2024-11-10 18:56:21,551 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 468 transitions. Word has length 22 [2024-11-10 18:56:21,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:56:21,551 INFO L471 AbstractCegarLoop]: Abstraction has 325 states and 468 transitions. [2024-11-10 18:56:21,551 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 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) [2024-11-10 18:56:21,551 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 468 transitions. [2024-11-10 18:56:21,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-10 18:56:21,552 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:56:21,552 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] [2024-11-10 18:56:21,564 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-10 18:56:21,752 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:56:21,752 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-10 18:56:21,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:56:21,753 INFO L85 PathProgramCache]: Analyzing trace with hash 290853176, now seen corresponding path program 1 times [2024-11-10 18:56:21,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:56:21,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337689470] [2024-11-10 18:56:21,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:56:21,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:56:21,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 18:56:21,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [727176176] [2024-11-10 18:56:21,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:56:21,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:56:21,761 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:56:21,764 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:56:21,765 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-10 18:56:21,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:21,801 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 18:56:21,802 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:56:21,826 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 18:56:21,827 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:56:21,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:56:21,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337689470] [2024-11-10 18:56:21,827 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 18:56:21,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [727176176] [2024-11-10 18:56:21,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [727176176] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:56:21,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:56:21,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:56:21,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593657494] [2024-11-10 18:56:21,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:56:21,828 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:56:21,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:56:21,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:56:21,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:56:21,829 INFO L87 Difference]: Start difference. First operand 325 states and 468 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 18:56:21,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:56:21,929 INFO L93 Difference]: Finished difference Result 382 states and 486 transitions. [2024-11-10 18:56:21,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:56:21,930 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 28 [2024-11-10 18:56:21,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:56:21,931 INFO L225 Difference]: With dead ends: 382 [2024-11-10 18:56:21,931 INFO L226 Difference]: Without dead ends: 380 [2024-11-10 18:56:21,931 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:56:21,932 INFO L432 NwaCegarLoop]: 156 mSDtfsCounter, 92 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 301 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:56:21,932 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 301 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:56:21,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2024-11-10 18:56:21,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 325. [2024-11-10 18:56:21,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 240 states have (on average 1.775) internal successors, (426), 303 states have internal predecessors, (426), 19 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-10 18:56:21,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 464 transitions. [2024-11-10 18:56:21,948 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 464 transitions. Word has length 28 [2024-11-10 18:56:21,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:56:21,948 INFO L471 AbstractCegarLoop]: Abstraction has 325 states and 464 transitions. [2024-11-10 18:56:21,948 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 18:56:21,948 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 464 transitions. [2024-11-10 18:56:21,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-10 18:56:21,949 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:56:21,949 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] [2024-11-10 18:56:21,961 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-10 18:56:22,149 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:56:22,149 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-10 18:56:22,150 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:56:22,150 INFO L85 PathProgramCache]: Analyzing trace with hash 337031126, now seen corresponding path program 1 times [2024-11-10 18:56:22,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:56:22,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116841272] [2024-11-10 18:56:22,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:56:22,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:56:22,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 18:56:22,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1280881536] [2024-11-10 18:56:22,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:56:22,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:56:22,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:56:22,169 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:56:22,170 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-10 18:56:22,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:22,202 INFO L255 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 18:56:22,202 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:56:22,282 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 18:56:22,283 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:56:22,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:56:22,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116841272] [2024-11-10 18:56:22,283 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 18:56:22,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1280881536] [2024-11-10 18:56:22,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1280881536] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:56:22,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:56:22,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:56:22,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373087413] [2024-11-10 18:56:22,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:56:22,284 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:56:22,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:56:22,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:56:22,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:56:22,284 INFO L87 Difference]: Start difference. First operand 325 states and 464 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 18:56:23,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:56:23,078 INFO L93 Difference]: Finished difference Result 345 states and 466 transitions. [2024-11-10 18:56:23,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:56:23,078 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 30 [2024-11-10 18:56:23,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:56:23,081 INFO L225 Difference]: With dead ends: 345 [2024-11-10 18:56:23,081 INFO L226 Difference]: Without dead ends: 344 [2024-11-10 18:56:23,081 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:56:23,082 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 168 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-10 18:56:23,085 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 202 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-10 18:56:23,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2024-11-10 18:56:23,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 325. [2024-11-10 18:56:23,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 240 states have (on average 1.7666666666666666) internal successors, (424), 303 states have internal predecessors, (424), 19 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-10 18:56:23,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 462 transitions. [2024-11-10 18:56:23,112 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 462 transitions. Word has length 30 [2024-11-10 18:56:23,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:56:23,112 INFO L471 AbstractCegarLoop]: Abstraction has 325 states and 462 transitions. [2024-11-10 18:56:23,112 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 18:56:23,112 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 462 transitions. [2024-11-10 18:56:23,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-10 18:56:23,112 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:56:23,113 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] [2024-11-10 18:56:23,125 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-10 18:56:23,313 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:56:23,314 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-10 18:56:23,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:56:23,314 INFO L85 PathProgramCache]: Analyzing trace with hash 1858030411, now seen corresponding path program 1 times [2024-11-10 18:56:23,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:56:23,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025119426] [2024-11-10 18:56:23,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:56:23,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:56:23,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 18:56:23,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1993846130] [2024-11-10 18:56:23,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:56:23,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:56:23,332 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:56:23,335 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:56:23,339 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-10 18:56:23,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:23,374 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 18:56:23,375 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:56:23,441 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 18:56:23,442 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:56:23,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:56:23,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025119426] [2024-11-10 18:56:23,442 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 18:56:23,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1993846130] [2024-11-10 18:56:23,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1993846130] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:56:23,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:56:23,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:56:23,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714059437] [2024-11-10 18:56:23,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:56:23,443 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:56:23,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:56:23,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:56:23,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:56:23,444 INFO L87 Difference]: Start difference. First operand 325 states and 462 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 18:56:24,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:56:24,011 INFO L93 Difference]: Finished difference Result 345 states and 464 transitions. [2024-11-10 18:56:24,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:56:24,012 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 31 [2024-11-10 18:56:24,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:56:24,013 INFO L225 Difference]: With dead ends: 345 [2024-11-10 18:56:24,013 INFO L226 Difference]: Without dead ends: 344 [2024-11-10 18:56:24,013 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:56:24,014 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 225 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 18:56:24,014 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 188 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 18:56:24,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2024-11-10 18:56:24,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 325. [2024-11-10 18:56:24,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 240 states have (on average 1.7583333333333333) internal successors, (422), 303 states have internal predecessors, (422), 19 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-10 18:56:24,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 460 transitions. [2024-11-10 18:56:24,027 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 460 transitions. Word has length 31 [2024-11-10 18:56:24,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:56:24,027 INFO L471 AbstractCegarLoop]: Abstraction has 325 states and 460 transitions. [2024-11-10 18:56:24,027 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 18:56:24,027 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 460 transitions. [2024-11-10 18:56:24,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-10 18:56:24,028 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:56:24,028 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] [2024-11-10 18:56:24,040 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-10 18:56:24,228 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:56:24,229 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-10 18:56:24,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:56:24,229 INFO L85 PathProgramCache]: Analyzing trace with hash 1764367988, now seen corresponding path program 1 times [2024-11-10 18:56:24,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:56:24,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145843906] [2024-11-10 18:56:24,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:56:24,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:56:24,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 18:56:24,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [963440316] [2024-11-10 18:56:24,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:56:24,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:56:24,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:56:24,238 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:56:24,239 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-10 18:56:24,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:24,271 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 18:56:24,272 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:56:24,320 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 18:56:24,320 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:56:24,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:56:24,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145843906] [2024-11-10 18:56:24,320 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 18:56:24,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [963440316] [2024-11-10 18:56:24,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [963440316] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:56:24,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:56:24,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:56:24,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405338771] [2024-11-10 18:56:24,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:56:24,321 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:56:24,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:56:24,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:56:24,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:56:24,322 INFO L87 Difference]: Start difference. First operand 325 states and 460 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 18:56:25,889 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 18:56:27,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:56:27,044 INFO L93 Difference]: Finished difference Result 379 states and 478 transitions. [2024-11-10 18:56:27,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:56:27,045 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 32 [2024-11-10 18:56:27,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:56:27,046 INFO L225 Difference]: With dead ends: 379 [2024-11-10 18:56:27,046 INFO L226 Difference]: Without dead ends: 378 [2024-11-10 18:56:27,046 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:56:27,046 INFO L432 NwaCegarLoop]: 123 mSDtfsCounter, 94 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-10 18:56:27,047 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 357 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-10 18:56:27,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2024-11-10 18:56:27,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 325. [2024-11-10 18:56:27,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 240 states have (on average 1.75) internal successors, (420), 303 states have internal predecessors, (420), 19 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-10 18:56:27,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 458 transitions. [2024-11-10 18:56:27,057 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 458 transitions. Word has length 32 [2024-11-10 18:56:27,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:56:27,059 INFO L471 AbstractCegarLoop]: Abstraction has 325 states and 458 transitions. [2024-11-10 18:56:27,059 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 18:56:27,059 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 458 transitions. [2024-11-10 18:56:27,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-10 18:56:27,060 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:56:27,060 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] [2024-11-10 18:56:27,074 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-10 18:56:27,260 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:56:27,261 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-10 18:56:27,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:56:27,261 INFO L85 PathProgramCache]: Analyzing trace with hash -1139167127, now seen corresponding path program 1 times [2024-11-10 18:56:27,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:56:27,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300874876] [2024-11-10 18:56:27,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:56:27,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:56:27,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 18:56:27,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [478914059] [2024-11-10 18:56:27,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:56:27,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:56:27,271 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:56:27,273 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:56:27,274 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-10 18:56:27,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:27,306 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 18:56:27,307 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:56:27,375 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 18:56:27,375 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:56:27,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:56:27,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300874876] [2024-11-10 18:56:27,375 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 18:56:27,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [478914059] [2024-11-10 18:56:27,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [478914059] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:56:27,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:56:27,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:56:27,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337712643] [2024-11-10 18:56:27,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:56:27,376 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:56:27,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:56:27,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:56:27,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:56:27,376 INFO L87 Difference]: Start difference. First operand 325 states and 458 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 18:56:28,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:56:28,018 INFO L93 Difference]: Finished difference Result 379 states and 476 transitions. [2024-11-10 18:56:28,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:56:28,019 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 33 [2024-11-10 18:56:28,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:56:28,021 INFO L225 Difference]: With dead ends: 379 [2024-11-10 18:56:28,021 INFO L226 Difference]: Without dead ends: 378 [2024-11-10 18:56:28,021 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:56:28,022 INFO L432 NwaCegarLoop]: 125 mSDtfsCounter, 150 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 18:56:28,022 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 288 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 18:56:28,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2024-11-10 18:56:28,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 325. [2024-11-10 18:56:28,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 240 states have (on average 1.7416666666666667) internal successors, (418), 303 states have internal predecessors, (418), 19 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-10 18:56:28,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 456 transitions. [2024-11-10 18:56:28,030 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 456 transitions. Word has length 33 [2024-11-10 18:56:28,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:56:28,030 INFO L471 AbstractCegarLoop]: Abstraction has 325 states and 456 transitions. [2024-11-10 18:56:28,030 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 18:56:28,030 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 456 transitions. [2024-11-10 18:56:28,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-10 18:56:28,031 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:56:28,031 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] [2024-11-10 18:56:28,043 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-10 18:56:28,231 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-10 18:56:28,232 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-10 18:56:28,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:56:28,232 INFO L85 PathProgramCache]: Analyzing trace with hash -2005853980, now seen corresponding path program 1 times [2024-11-10 18:56:28,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:56:28,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342269455] [2024-11-10 18:56:28,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:56:28,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:56:28,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 18:56:28,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1005117429] [2024-11-10 18:56:28,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:56:28,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:56:28,245 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:56:28,247 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:56:28,249 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-10 18:56:28,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:28,284 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 18:56:28,285 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:56:28,308 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 18:56:28,308 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:56:28,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:56:28,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342269455] [2024-11-10 18:56:28,308 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 18:56:28,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1005117429] [2024-11-10 18:56:28,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1005117429] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:56:28,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:56:28,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:56:28,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539768466] [2024-11-10 18:56:28,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:56:28,309 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:56:28,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:56:28,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:56:28,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:56:28,309 INFO L87 Difference]: Start difference. First operand 325 states and 456 transitions. Second operand has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 18:56:28,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:56:28,714 INFO L93 Difference]: Finished difference Result 364 states and 474 transitions. [2024-11-10 18:56:28,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:56:28,715 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 39 [2024-11-10 18:56:28,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:56:28,734 INFO L225 Difference]: With dead ends: 364 [2024-11-10 18:56:28,734 INFO L226 Difference]: Without dead ends: 354 [2024-11-10 18:56:28,734 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:56:28,735 INFO L432 NwaCegarLoop]: 123 mSDtfsCounter, 60 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 18:56:28,735 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 226 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 18:56:28,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2024-11-10 18:56:28,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 328. [2024-11-10 18:56:28,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 328 states, 243 states have (on average 1.6666666666666667) internal successors, (405), 306 states have internal predecessors, (405), 19 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-10 18:56:28,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 443 transitions. [2024-11-10 18:56:28,743 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 443 transitions. Word has length 39 [2024-11-10 18:56:28,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:56:28,743 INFO L471 AbstractCegarLoop]: Abstraction has 328 states and 443 transitions. [2024-11-10 18:56:28,743 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 18:56:28,743 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 443 transitions. [2024-11-10 18:56:28,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-10 18:56:28,744 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:56:28,744 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] [2024-11-10 18:56:28,766 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-10 18:56:28,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:56:28,945 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-10 18:56:28,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:56:28,945 INFO L85 PathProgramCache]: Analyzing trace with hash 814643938, now seen corresponding path program 1 times [2024-11-10 18:56:28,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:56:28,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581347806] [2024-11-10 18:56:28,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:56:28,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:56:28,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 18:56:28,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1541204103] [2024-11-10 18:56:28,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:56:28,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:56:28,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:56:28,959 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:56:28,961 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-10 18:56:28,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:28,995 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 18:56:28,997 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:56:29,073 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 18:56:29,073 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:56:29,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:56:29,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581347806] [2024-11-10 18:56:29,074 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 18:56:29,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1541204103] [2024-11-10 18:56:29,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1541204103] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:56:29,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:56:29,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:56:29,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948220500] [2024-11-10 18:56:29,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:56:29,075 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:56:29,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:56:29,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:56:29,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:56:29,075 INFO L87 Difference]: Start difference. First operand 328 states and 443 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 18:56:33,188 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 18:56:37,197 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 18:56:41,206 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 18:56:41,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:56:41,670 INFO L93 Difference]: Finished difference Result 358 states and 467 transitions. [2024-11-10 18:56:41,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:56:41,671 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 41 [2024-11-10 18:56:41,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:56:41,672 INFO L225 Difference]: With dead ends: 358 [2024-11-10 18:56:41,672 INFO L226 Difference]: Without dead ends: 354 [2024-11-10 18:56:41,672 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:56:41,672 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 221 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 5 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.6s IncrementalHoareTripleChecker+Time [2024-11-10 18:56:41,673 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [228 Valid, 154 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 171 Invalid, 3 Unknown, 0 Unchecked, 12.6s Time] [2024-11-10 18:56:41,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2024-11-10 18:56:41,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 328. [2024-11-10 18:56:41,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 328 states, 243 states have (on average 1.6337448559670782) internal successors, (397), 306 states have internal predecessors, (397), 19 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-10 18:56:41,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 435 transitions. [2024-11-10 18:56:41,681 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 435 transitions. Word has length 41 [2024-11-10 18:56:41,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:56:41,681 INFO L471 AbstractCegarLoop]: Abstraction has 328 states and 435 transitions. [2024-11-10 18:56:41,681 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 18:56:41,681 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 435 transitions. [2024-11-10 18:56:41,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-10 18:56:41,682 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:56:41,682 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] [2024-11-10 18:56:41,694 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-10 18:56:41,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-10 18:56:41,883 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-10 18:56:41,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:56:41,883 INFO L85 PathProgramCache]: Analyzing trace with hash -515841614, now seen corresponding path program 1 times [2024-11-10 18:56:41,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:56:41,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221526634] [2024-11-10 18:56:41,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:56:41,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:56:41,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 18:56:41,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [923978686] [2024-11-10 18:56:41,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:56:41,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:56:41,896 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:56:41,897 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:56:41,898 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-10 18:56:41,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:41,933 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 18:56:41,934 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:56:42,000 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 18:56:42,001 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:56:42,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:56:42,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221526634] [2024-11-10 18:56:42,001 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 18:56:42,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [923978686] [2024-11-10 18:56:42,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [923978686] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:56:42,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:56:42,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:56:42,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252631812] [2024-11-10 18:56:42,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:56:42,001 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:56:42,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:56:42,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:56:42,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:56:42,002 INFO L87 Difference]: Start difference. First operand 328 states and 435 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 18:56:46,426 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 18:56:46,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:56:46,594 INFO L93 Difference]: Finished difference Result 357 states and 459 transitions. [2024-11-10 18:56:46,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:56:46,595 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 42 [2024-11-10 18:56:46,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:56:46,596 INFO L225 Difference]: With dead ends: 357 [2024-11-10 18:56:46,596 INFO L226 Difference]: Without dead ends: 354 [2024-11-10 18:56:46,596 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:56:46,596 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 164 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-11-10 18:56:46,597 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 168 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 206 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2024-11-10 18:56:46,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2024-11-10 18:56:46,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 328. [2024-11-10 18:56:46,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 328 states, 243 states have (on average 1.6090534979423867) internal successors, (391), 306 states have internal predecessors, (391), 19 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-10 18:56:46,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 429 transitions. [2024-11-10 18:56:46,605 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 429 transitions. Word has length 42 [2024-11-10 18:56:46,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:56:46,605 INFO L471 AbstractCegarLoop]: Abstraction has 328 states and 429 transitions. [2024-11-10 18:56:46,605 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 18:56:46,605 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 429 transitions. [2024-11-10 18:56:46,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-10 18:56:46,606 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:56:46,606 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] [2024-11-10 18:56:46,619 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-10 18:56:46,806 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-10 18:56:46,806 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-10 18:56:46,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:56:46,807 INFO L85 PathProgramCache]: Analyzing trace with hash 1188779232, now seen corresponding path program 1 times [2024-11-10 18:56:46,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:56:46,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641349439] [2024-11-10 18:56:46,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:56:46,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:56:46,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 18:56:46,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1579956485] [2024-11-10 18:56:46,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:56:46,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:56:46,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:56:46,819 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:56:46,820 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-10 18:56:46,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:46,855 INFO L255 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 18:56:46,856 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:56:46,910 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 18:56:46,910 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:56:46,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:56:46,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641349439] [2024-11-10 18:56:46,912 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 18:56:46,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1579956485] [2024-11-10 18:56:46,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1579956485] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:56:46,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:56:46,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:56:46,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246044169] [2024-11-10 18:56:46,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:56:46,912 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:56:46,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:56:46,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:56:46,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:56:46,913 INFO L87 Difference]: Start difference. First operand 328 states and 429 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 18:56:47,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:56:47,198 INFO L93 Difference]: Finished difference Result 348 states and 442 transitions. [2024-11-10 18:56:47,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:56:47,198 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 43 [2024-11-10 18:56:47,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:56:47,200 INFO L225 Difference]: With dead ends: 348 [2024-11-10 18:56:47,200 INFO L226 Difference]: Without dead ends: 347 [2024-11-10 18:56:47,200 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:56:47,200 INFO L432 NwaCegarLoop]: 125 mSDtfsCounter, 110 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 18:56:47,200 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 241 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 18:56:47,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2024-11-10 18:56:47,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 328. [2024-11-10 18:56:47,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 328 states, 243 states have (on average 1.6008230452674896) internal successors, (389), 306 states have internal predecessors, (389), 19 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-10 18:56:47,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 427 transitions. [2024-11-10 18:56:47,213 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 427 transitions. Word has length 43 [2024-11-10 18:56:47,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:56:47,213 INFO L471 AbstractCegarLoop]: Abstraction has 328 states and 427 transitions. [2024-11-10 18:56:47,213 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 18:56:47,214 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 427 transitions. [2024-11-10 18:56:47,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-10 18:56:47,214 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:56:47,214 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] [2024-11-10 18:56:47,227 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-10 18:56:47,415 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-10 18:56:47,415 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-10 18:56:47,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:56:47,416 INFO L85 PathProgramCache]: Analyzing trace with hash -1802549392, now seen corresponding path program 1 times [2024-11-10 18:56:47,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:56:47,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582931520] [2024-11-10 18:56:47,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:56:47,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:56:47,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 18:56:47,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1408157421] [2024-11-10 18:56:47,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:56:47,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:56:47,432 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:56:47,433 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:56:47,434 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-10 18:56:47,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:56:47,471 INFO L255 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 18:56:47,472 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:56:47,578 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 18:56:47,578 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:56:47,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:56:47,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582931520] [2024-11-10 18:56:47,579 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 18:56:47,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1408157421] [2024-11-10 18:56:47,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1408157421] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:56:47,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:56:47,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:56:47,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912149786] [2024-11-10 18:56:47,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:56:47,580 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:56:47,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:56:47,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:56:47,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:56:47,581 INFO L87 Difference]: Start difference. First operand 328 states and 427 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 18:56:48,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:56:48,062 INFO L93 Difference]: Finished difference Result 348 states and 440 transitions. [2024-11-10 18:56:48,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:56:48,063 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 44 [2024-11-10 18:56:48,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:56:48,064 INFO L225 Difference]: With dead ends: 348 [2024-11-10 18:56:48,064 INFO L226 Difference]: Without dead ends: 347 [2024-11-10 18:56:48,064 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:56:48,064 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 109 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 18:56:48,064 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 243 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 18:56:48,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2024-11-10 18:56:48,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 328. [2024-11-10 18:56:48,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 328 states, 243 states have (on average 1.5925925925925926) internal successors, (387), 306 states have internal predecessors, (387), 19 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-10 18:56:48,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 425 transitions. [2024-11-10 18:56:48,072 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 425 transitions. Word has length 44 [2024-11-10 18:56:48,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:56:48,072 INFO L471 AbstractCegarLoop]: Abstraction has 328 states and 425 transitions. [2024-11-10 18:56:48,072 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 18:56:48,073 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 425 transitions. [2024-11-10 18:56:48,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-10 18:56:48,073 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:56:48,073 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-11-10 18:56:48,085 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-11-10 18:56:48,277 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-10 18:56:48,278 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-10 18:56:48,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:56:48,278 INFO L85 PathProgramCache]: Analyzing trace with hash -404226045, now seen corresponding path program 1 times [2024-11-10 18:56:48,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:56:48,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417035170] [2024-11-10 18:56:48,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:56:48,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:56:48,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 18:56:48,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1277168886] [2024-11-10 18:56:48,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:56:48,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:56:48,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:56:48,296 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:56:48,297 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-10 18:56:48,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 18:56:48,337 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 18:56:48,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 18:56:48,363 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 18:56:48,363 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-10 18:56:48,364 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW (63 of 64 remaining) [2024-11-10 18:56:48,365 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (62 of 64 remaining) [2024-11-10 18:56:48,365 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (61 of 64 remaining) [2024-11-10 18:56:48,365 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (60 of 64 remaining) [2024-11-10 18:56:48,365 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (59 of 64 remaining) [2024-11-10 18:56:48,365 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (58 of 64 remaining) [2024-11-10 18:56:48,365 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (57 of 64 remaining) [2024-11-10 18:56:48,366 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (56 of 64 remaining) [2024-11-10 18:56:48,366 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (55 of 64 remaining) [2024-11-10 18:56:48,366 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (54 of 64 remaining) [2024-11-10 18:56:48,366 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (53 of 64 remaining) [2024-11-10 18:56:48,366 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (52 of 64 remaining) [2024-11-10 18:56:48,366 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (51 of 64 remaining) [2024-11-10 18:56:48,366 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (50 of 64 remaining) [2024-11-10 18:56:48,366 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (49 of 64 remaining) [2024-11-10 18:56:48,366 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (48 of 64 remaining) [2024-11-10 18:56:48,366 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (47 of 64 remaining) [2024-11-10 18:56:48,366 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (46 of 64 remaining) [2024-11-10 18:56:48,366 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 64 remaining) [2024-11-10 18:56:48,366 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 64 remaining) [2024-11-10 18:56:48,366 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 64 remaining) [2024-11-10 18:56:48,366 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 64 remaining) [2024-11-10 18:56:48,366 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 64 remaining) [2024-11-10 18:56:48,366 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 64 remaining) [2024-11-10 18:56:48,366 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 64 remaining) [2024-11-10 18:56:48,367 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 64 remaining) [2024-11-10 18:56:48,367 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 64 remaining) [2024-11-10 18:56:48,367 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 64 remaining) [2024-11-10 18:56:48,367 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 64 remaining) [2024-11-10 18:56:48,367 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 64 remaining) [2024-11-10 18:56:48,367 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 64 remaining) [2024-11-10 18:56:48,367 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 64 remaining) [2024-11-10 18:56:48,367 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 64 remaining) [2024-11-10 18:56:48,367 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 64 remaining) [2024-11-10 18:56:48,368 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 64 remaining) [2024-11-10 18:56:48,368 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 64 remaining) [2024-11-10 18:56:48,368 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 64 remaining) [2024-11-10 18:56:48,368 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 64 remaining) [2024-11-10 18:56:48,368 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 64 remaining) [2024-11-10 18:56:48,368 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 64 remaining) [2024-11-10 18:56:48,368 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 64 remaining) [2024-11-10 18:56:48,368 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 64 remaining) [2024-11-10 18:56:48,368 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 64 remaining) [2024-11-10 18:56:48,368 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 64 remaining) [2024-11-10 18:56:48,369 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 64 remaining) [2024-11-10 18:56:48,369 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 64 remaining) [2024-11-10 18:56:48,369 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 64 remaining) [2024-11-10 18:56:48,369 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 64 remaining) [2024-11-10 18:56:48,369 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 64 remaining) [2024-11-10 18:56:48,369 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 64 remaining) [2024-11-10 18:56:48,369 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 64 remaining) [2024-11-10 18:56:48,369 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 64 remaining) [2024-11-10 18:56:48,369 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 64 remaining) [2024-11-10 18:56:48,369 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 64 remaining) [2024-11-10 18:56:48,370 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 64 remaining) [2024-11-10 18:56:48,370 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 64 remaining) [2024-11-10 18:56:48,370 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 64 remaining) [2024-11-10 18:56:48,370 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 64 remaining) [2024-11-10 18:56:48,370 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 64 remaining) [2024-11-10 18:56:48,370 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 64 remaining) [2024-11-10 18:56:48,370 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr60ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 64 remaining) [2024-11-10 18:56:48,370 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 64 remaining) [2024-11-10 18:56:48,370 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr62ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 64 remaining) [2024-11-10 18:56:48,370 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr63ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 64 remaining) [2024-11-10 18:56:48,382 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-10 18:56:48,571 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:56:48,573 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:56:48,599 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 18:56:48,601 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 06:56:48 BoogieIcfgContainer [2024-11-10 18:56:48,601 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 18:56:48,602 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 18:56:48,602 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 18:56:48,602 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 18:56:48,602 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:56:08" (3/4) ... [2024-11-10 18:56:48,604 INFO L137 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-10 18:56:48,650 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 18:56:48,651 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 18:56:48,652 INFO L158 Benchmark]: Toolchain (without parser) took 40770.84ms. Allocated memory is still 197.1MB. Free memory was 166.7MB in the beginning and 95.8MB in the end (delta: 70.9MB). Peak memory consumption was 72.5MB. Max. memory is 16.1GB. [2024-11-10 18:56:48,652 INFO L158 Benchmark]: CDTParser took 0.73ms. Allocated memory is still 134.2MB. Free memory is still 97.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 18:56:48,652 INFO L158 Benchmark]: CACSL2BoogieTranslator took 192.57ms. Allocated memory is still 197.1MB. Free memory was 166.5MB in the beginning and 156.9MB in the end (delta: 9.5MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2024-11-10 18:56:48,652 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.52ms. Allocated memory is still 197.1MB. Free memory was 156.9MB in the beginning and 154.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 18:56:48,652 INFO L158 Benchmark]: Boogie Preprocessor took 41.99ms. Allocated memory is still 197.1MB. Free memory was 154.7MB in the beginning and 153.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 18:56:48,653 INFO L158 Benchmark]: IcfgBuilder took 612.28ms. Allocated memory is still 197.1MB. Free memory was 153.6MB in the beginning and 127.2MB in the end (delta: 26.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-10 18:56:48,653 INFO L158 Benchmark]: TraceAbstraction took 39839.71ms. Allocated memory is still 197.1MB. Free memory was 126.4MB in the beginning and 98.9MB in the end (delta: 27.4MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. [2024-11-10 18:56:48,653 INFO L158 Benchmark]: Witness Printer took 49.60ms. Allocated memory is still 197.1MB. Free memory was 98.9MB in the beginning and 95.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 18:56:48,654 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.73ms. Allocated memory is still 134.2MB. Free memory is still 97.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 192.57ms. Allocated memory is still 197.1MB. Free memory was 166.5MB in the beginning and 156.9MB in the end (delta: 9.5MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.52ms. Allocated memory is still 197.1MB. Free memory was 156.9MB in the beginning and 154.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.99ms. Allocated memory is still 197.1MB. Free memory was 154.7MB in the beginning and 153.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 612.28ms. Allocated memory is still 197.1MB. Free memory was 153.6MB in the beginning and 127.2MB in the end (delta: 26.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 39839.71ms. Allocated memory is still 197.1MB. Free memory was 126.4MB in the beginning and 98.9MB in the end (delta: 27.4MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. * Witness Printer took 49.60ms. Allocated memory is still 197.1MB. Free memory was 98.9MB in the beginning and 95.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 44]: integer overflow possible integer overflow possible We found a FailurePath: [L19] int x, y; [L20] int a, b, p, q, r, s, c, k; [L21] x = __VERIFIER_nondet_int() [L22] y = __VERIFIER_nondet_int() [L23] CALL assume_abort_if_not(x >= 1) VAL [\old(cond)=1] [L8] COND FALSE !(!cond) VAL [\old(cond)=1] [L23] RET assume_abort_if_not(x >= 1) VAL [x=1, y=46341] [L24] CALL assume_abort_if_not(y >= 1) VAL [\old(cond)=1] [L8] COND FALSE !(!cond) VAL [\old(cond)=1] [L24] RET assume_abort_if_not(y >= 1) VAL [x=1, y=46341] [L26] a = x [L27] b = y [L28] p = 1 [L29] q = 0 [L30] r = 0 [L31] s = 1 [L32] c = 0 [L33] k = 0 VAL [a=1, b=46341, p=1, q=0, r=0, s=1, x=1, y=46341] [L34] COND TRUE 1 VAL [a=1, b=46341, p=1, q=0, r=0, s=1, x=1, y=46341] [L35] COND FALSE !(!(b != 0)) [L37] c = a [L38] k = 0 VAL [a=1, b=46341, c=1, k=0, p=1, q=0, r=0, s=1, x=1, y=46341] [L40] COND TRUE 1 VAL [a=1, b=46341, c=1, k=0, p=1, q=0, r=0, s=1, x=1, y=46341] [L41] EXPR k * b VAL [a=1, b=46341, c=1, k=0, p=1, q=0, r=0, s=1, x=1, y=46341] [L41] EXPR k * b + c VAL [a=1, b=46341, c=1, k=0, p=1, q=0, r=0, s=1, x=1, y=46341] [L41] CALL __VERIFIER_assert(a == k * b + c) [L11] COND FALSE !(!(cond)) VAL [\old(cond)=1] [L41] RET __VERIFIER_assert(a == k * b + c) VAL [a=1, b=46341, c=1, k=0, p=1, q=0, r=0, s=1, x=1, y=46341] [L42] EXPR y*r VAL [a=1, b=46341, c=1, k=0, p=1, q=0, r=0, s=1, x=1, y=46341] [L42] EXPR x*p VAL [a=1, b=46341, c=1, k=0, p=1, q=0, r=0, s=1, x=1, y=46341] [L42] EXPR y*r + x*p VAL [a=1, b=46341, c=1, k=0, p=1, q=0, r=0, s=1, x=1, y=46341] [L42] CALL __VERIFIER_assert(a == y*r + x*p) [L11] COND FALSE !(!(cond)) VAL [\old(cond)=1] [L42] RET __VERIFIER_assert(a == y*r + x*p) VAL [a=1, b=46341, c=1, k=0, p=1, q=0, r=0, s=1, x=1, y=46341] [L43] EXPR x * q VAL [a=1, b=46341, c=1, k=0, p=1, q=0, r=0, s=1, x=1, y=46341] [L43] EXPR y * s VAL [a=1, b=46341, c=1, k=0, p=1, q=0, r=0, s=1, x=1, y=46341] [L43] EXPR x * q + y * s VAL [a=1, b=46341, c=1, k=0, p=1, q=0, r=0, s=1, x=1, y=46341] [L43] CALL __VERIFIER_assert(b == x * q + y * s) [L11] COND FALSE !(!(cond)) VAL [\old(cond)=1] [L43] RET __VERIFIER_assert(b == x * q + y * s) VAL [a=1, b=46341, c=1, k=0, p=1, q=0, r=0, s=1, x=1, y=46341] [L44] EXPR q*x VAL [a=1, b=46341, c=1, k=0, p=1, q=0, r=0, s=1, x=1, y=46341] [L44] q*x*y VAL [a=1, b=46341, c=1, k=0, p=1, q=0, r=0, s=1, x=1, y=46341] [L44] EXPR s*y VAL [a=1, b=46341, c=1, k=0, p=1, q=0, r=0, s=1, x=1, y=46341] [L44] s*y*y VAL [a=1, b=46341, c=1, k=0, p=1, q=0, r=0, x=1] - UnprovableResult [Line: 65]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 65]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 65]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 65]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 65]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 65]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 64]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 64]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 64]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 64]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 64]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 64]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 60]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 60]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 60]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 60]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 57]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 57]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 57]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 57]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 48]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 48]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 47]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 47]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 43]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 43]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 43]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 43]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 43]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 43]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 42]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 42]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 42]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 42]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 42]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 42]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 41]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 41]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 41]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 41]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 164 locations, 64 error locations. Started 1 CEGAR loops. OverallTime: 39.8s, OverallIterations: 16, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 34.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 6 mSolverCounterUnknown, 2748 SdHoareTripleChecker+Valid, 34.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2678 mSDsluCounter, 3631 SdHoareTripleChecker+Invalid, 33.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1942 mSDsCounter, 78 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2379 IncrementalHoareTripleChecker+Invalid, 2463 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 78 mSolverCounterUnsat, 1689 mSDtfsCounter, 2379 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 446 GetRequests, 404 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=328occurred in iteration=11, InterpolantAutomatonStates: 64, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 15 MinimizatonAttempts, 549 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 996 NumberOfCodeBlocks, 996 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 462 ConstructedInterpolants, 0 QuantifiedInterpolants, 1410 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1343 ConjunctsInSsa, 53 ConjunctsInUnsatCore, 16 InterpolantComputations, 15 PerfectInterpolantSequences, 81/84 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-11-10 18:56:48,690 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)