./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/array-examples/data_structures_set_multi_proc_trivial_ground.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3289d67d 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/array-examples/data_structures_set_multi_proc_trivial_ground.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0286582125bb2879636b8cf3b934bed172850a3a3b0d880c07306d10439134a7 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 03:46:37,494 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 03:46:37,581 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-17 03:46:37,593 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 03:46:37,594 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 03:46:37,616 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 03:46:37,619 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 03:46:37,619 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 03:46:37,620 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 03:46:37,621 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 03:46:37,621 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 03:46:37,622 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 03:46:37,622 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 03:46:37,624 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 03:46:37,625 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 03:46:37,625 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 03:46:37,625 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 03:46:37,626 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 03:46:37,626 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 03:46:37,626 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 03:46:37,626 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 03:46:37,630 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 03:46:37,630 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 03:46:37,631 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 03:46:37,631 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 03:46:37,631 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 03:46:37,631 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 03:46:37,631 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 03:46:37,631 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 03:46:37,632 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 03:46:37,632 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 03:46:37,632 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 03:46:37,632 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 03:46:37,633 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 03:46:37,633 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 03:46:37,633 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 03:46:37,635 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 03:46:37,635 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 03:46:37,635 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 03:46:37,636 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 03:46:37,636 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 03:46:37,636 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 03:46:37,636 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 03:46:37,637 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 03:46:37,637 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0286582125bb2879636b8cf3b934bed172850a3a3b0d880c07306d10439134a7 [2024-11-17 03:46:37,885 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 03:46:37,912 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 03:46:37,916 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 03:46:37,917 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 03:46:37,917 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 03:46:37,919 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-examples/data_structures_set_multi_proc_trivial_ground.i [2024-11-17 03:46:39,325 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 03:46:39,523 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 03:46:39,524 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-examples/data_structures_set_multi_proc_trivial_ground.i [2024-11-17 03:46:39,531 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba58beaea/97e291672b4449af98dadf8fbe311602/FLAG16b41c9b2 [2024-11-17 03:46:39,543 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba58beaea/97e291672b4449af98dadf8fbe311602 [2024-11-17 03:46:39,545 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 03:46:39,547 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 03:46:39,548 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 03:46:39,548 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 03:46:39,555 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 03:46:39,555 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 03:46:39" (1/1) ... [2024-11-17 03:46:39,556 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56839a43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:46:39, skipping insertion in model container [2024-11-17 03:46:39,556 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 03:46:39" (1/1) ... [2024-11-17 03:46:39,582 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 03:46:39,776 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 03:46:39,786 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 03:46:39,817 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 03:46:39,833 INFO L204 MainTranslator]: Completed translation [2024-11-17 03:46:39,834 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:46:39 WrapperNode [2024-11-17 03:46:39,837 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 03:46:39,838 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 03:46:39,838 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 03:46:39,839 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 03:46:39,845 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:46:39" (1/1) ... [2024-11-17 03:46:39,853 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:46:39" (1/1) ... [2024-11-17 03:46:39,877 INFO L138 Inliner]: procedures = 18, calls = 30, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 184 [2024-11-17 03:46:39,877 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 03:46:39,878 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 03:46:39,878 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 03:46:39,878 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 03:46:39,887 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:46:39" (1/1) ... [2024-11-17 03:46:39,887 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:46:39" (1/1) ... [2024-11-17 03:46:39,890 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:46:39" (1/1) ... [2024-11-17 03:46:39,908 INFO L175 MemorySlicer]: Split 14 memory accesses to 3 slices as follows [2, 9, 3]. 64 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 3 writes are split as follows [0, 2, 1]. [2024-11-17 03:46:39,909 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:46:39" (1/1) ... [2024-11-17 03:46:39,909 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:46:39" (1/1) ... [2024-11-17 03:46:39,915 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:46:39" (1/1) ... [2024-11-17 03:46:39,916 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:46:39" (1/1) ... [2024-11-17 03:46:39,917 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:46:39" (1/1) ... [2024-11-17 03:46:39,919 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:46:39" (1/1) ... [2024-11-17 03:46:39,921 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 03:46:39,922 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 03:46:39,922 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 03:46:39,922 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 03:46:39,923 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:46:39" (1/1) ... [2024-11-17 03:46:39,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 03:46:39,940 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:46:39,956 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) [2024-11-17 03:46:39,959 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 [2024-11-17 03:46:40,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 03:46:40,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 03:46:40,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-17 03:46:40,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-17 03:46:40,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-17 03:46:40,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-17 03:46:40,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-17 03:46:40,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-17 03:46:40,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 03:46:40,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 03:46:40,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-17 03:46:40,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-17 03:46:40,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-17 03:46:40,016 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-17 03:46:40,016 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-17 03:46:40,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-17 03:46:40,113 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 03:46:40,115 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 03:46:40,421 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L29: call ULTIMATE.dealloc(main_~#set~0#1.base, main_~#set~0#1.offset);havoc main_~#set~0#1.base, main_~#set~0#1.offset;call ULTIMATE.dealloc(main_~#values~0#1.base, main_~#values~0#1.offset);havoc main_~#values~0#1.base, main_~#values~0#1.offset; [2024-11-17 03:46:40,461 INFO L? ?]: Removed 72 outVars from TransFormulas that were not future-live. [2024-11-17 03:46:40,461 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 03:46:40,477 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 03:46:40,478 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 03:46:40,478 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 03:46:40 BoogieIcfgContainer [2024-11-17 03:46:40,478 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 03:46:40,481 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 03:46:40,481 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 03:46:40,488 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 03:46:40,488 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 03:46:39" (1/3) ... [2024-11-17 03:46:40,489 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@100bf103 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 03:46:40, skipping insertion in model container [2024-11-17 03:46:40,489 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:46:39" (2/3) ... [2024-11-17 03:46:40,489 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@100bf103 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 03:46:40, skipping insertion in model container [2024-11-17 03:46:40,489 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 03:46:40" (3/3) ... [2024-11-17 03:46:40,491 INFO L112 eAbstractionObserver]: Analyzing ICFG data_structures_set_multi_proc_trivial_ground.i [2024-11-17 03:46:40,509 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 03:46:40,510 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2024-11-17 03:46:40,595 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 03:46:40,604 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;@2ea5b544, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 03:46:40,605 INFO L334 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2024-11-17 03:46:40,610 INFO L276 IsEmpty]: Start isEmpty. Operand has 123 states, 90 states have (on average 1.5777777777777777) internal successors, (142), 118 states have internal predecessors, (142), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-17 03:46:40,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-17 03:46:40,616 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:46:40,616 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-17 03:46:40,618 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-17 03:46:40,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:46:40,625 INFO L85 PathProgramCache]: Analyzing trace with hash 177467925, now seen corresponding path program 1 times [2024-11-17 03:46:40,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:46:40,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846100662] [2024-11-17 03:46:40,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:46:40,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:46:40,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:46:40,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:46:40,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:46:40,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846100662] [2024-11-17 03:46:40,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1846100662] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:46:40,914 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:46:40,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 03:46:40,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781431309] [2024-11-17 03:46:40,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:46:40,920 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 03:46:40,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:46:40,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 03:46:40,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:46:40,946 INFO L87 Difference]: Start difference. First operand has 123 states, 90 states have (on average 1.5777777777777777) internal successors, (142), 118 states have internal predecessors, (142), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:46:41,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:46:41,207 INFO L93 Difference]: Finished difference Result 288 states and 365 transitions. [2024-11-17 03:46:41,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 03:46:41,213 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-17 03:46:41,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:46:41,225 INFO L225 Difference]: With dead ends: 288 [2024-11-17 03:46:41,225 INFO L226 Difference]: Without dead ends: 166 [2024-11-17 03:46:41,229 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:46:41,235 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 44 mSDsluCounter, 215 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 03:46:41,236 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 339 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 03:46:41,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2024-11-17 03:46:41,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 132. [2024-11-17 03:46:41,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 100 states have (on average 1.41) internal successors, (141), 127 states have internal predecessors, (141), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-17 03:46:41,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 147 transitions. [2024-11-17 03:46:41,290 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 147 transitions. Word has length 5 [2024-11-17 03:46:41,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:46:41,291 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 147 transitions. [2024-11-17 03:46:41,291 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:46:41,292 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 147 transitions. [2024-11-17 03:46:41,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-17 03:46:41,292 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:46:41,292 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2024-11-17 03:46:41,293 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 03:46:41,293 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-17 03:46:41,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:46:41,294 INFO L85 PathProgramCache]: Analyzing trace with hash -1200402110, now seen corresponding path program 1 times [2024-11-17 03:46:41,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:46:41,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020241208] [2024-11-17 03:46:41,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:46:41,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:46:41,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:46:41,442 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:46:41,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:46:41,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020241208] [2024-11-17 03:46:41,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020241208] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:46:41,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [688909086] [2024-11-17 03:46:41,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:46:41,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:46:41,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:46:41,446 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) [2024-11-17 03:46:41,448 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-17 03:46:41,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:46:41,508 INFO L255 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 03:46:41,512 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:46:41,579 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:46:41,579 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 03:46:41,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [688909086] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:46:41,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 03:46:41,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-17 03:46:41,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879273757] [2024-11-17 03:46:41,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:46:41,583 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 03:46:41,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:46:41,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 03:46:41,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-17 03:46:41,584 INFO L87 Difference]: Start difference. First operand 132 states and 147 transitions. Second operand has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:46:41,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:46:41,718 INFO L93 Difference]: Finished difference Result 166 states and 187 transitions. [2024-11-17 03:46:41,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 03:46:41,719 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-11-17 03:46:41,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:46:41,723 INFO L225 Difference]: With dead ends: 166 [2024-11-17 03:46:41,723 INFO L226 Difference]: Without dead ends: 165 [2024-11-17 03:46:41,723 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-17 03:46:41,724 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 44 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 400 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 03:46:41,725 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 400 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 03:46:41,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2024-11-17 03:46:41,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 131. [2024-11-17 03:46:41,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 100 states have (on average 1.4) internal successors, (140), 126 states have internal predecessors, (140), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-17 03:46:41,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 146 transitions. [2024-11-17 03:46:41,740 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 146 transitions. Word has length 10 [2024-11-17 03:46:41,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:46:41,740 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 146 transitions. [2024-11-17 03:46:41,741 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:46:41,741 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 146 transitions. [2024-11-17 03:46:41,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-17 03:46:41,741 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:46:41,742 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1] [2024-11-17 03:46:41,755 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-17 03:46:41,943 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:46:41,944 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-17 03:46:41,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:46:41,945 INFO L85 PathProgramCache]: Analyzing trace with hash 1442240369, now seen corresponding path program 1 times [2024-11-17 03:46:41,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:46:41,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998919416] [2024-11-17 03:46:41,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:46:41,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:46:41,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:46:42,027 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-17 03:46:42,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:46:42,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998919416] [2024-11-17 03:46:42,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998919416] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:46:42,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:46:42,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 03:46:42,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892079500] [2024-11-17 03:46:42,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:46:42,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 03:46:42,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:46:42,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 03:46:42,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 03:46:42,030 INFO L87 Difference]: Start difference. First operand 131 states and 146 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:46:42,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:46:42,045 INFO L93 Difference]: Finished difference Result 131 states and 146 transitions. [2024-11-17 03:46:42,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 03:46:42,046 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-11-17 03:46:42,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:46:42,047 INFO L225 Difference]: With dead ends: 131 [2024-11-17 03:46:42,047 INFO L226 Difference]: Without dead ends: 130 [2024-11-17 03:46:42,047 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 03:46:42,048 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 1 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:46:42,048 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 246 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:46:42,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2024-11-17 03:46:42,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 128. [2024-11-17 03:46:42,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 98 states have (on average 1.3979591836734695) internal successors, (137), 123 states have internal predecessors, (137), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-17 03:46:42,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 143 transitions. [2024-11-17 03:46:42,065 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 143 transitions. Word has length 11 [2024-11-17 03:46:42,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:46:42,066 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 143 transitions. [2024-11-17 03:46:42,066 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:46:42,066 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 143 transitions. [2024-11-17 03:46:42,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-17 03:46:42,066 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:46:42,066 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:46:42,067 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-17 03:46:42,067 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-17 03:46:42,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:46:42,067 INFO L85 PathProgramCache]: Analyzing trace with hash -226235145, now seen corresponding path program 1 times [2024-11-17 03:46:42,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:46:42,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908103858] [2024-11-17 03:46:42,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:46:42,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:46:42,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:46:42,173 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:46:42,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:46:42,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908103858] [2024-11-17 03:46:42,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908103858] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:46:42,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [48247674] [2024-11-17 03:46:42,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:46:42,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:46:42,174 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:46:42,175 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) [2024-11-17 03:46:42,177 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-17 03:46:42,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:46:42,238 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 03:46:42,239 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:46:42,268 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:46:42,268 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:46:42,306 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:46:42,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [48247674] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:46:42,306 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:46:42,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-17 03:46:42,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154367536] [2024-11-17 03:46:42,307 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:46:42,307 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-17 03:46:42,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:46:42,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-17 03:46:42,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-17 03:46:42,308 INFO L87 Difference]: Start difference. First operand 128 states and 143 transitions. Second operand has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:46:42,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:46:42,442 INFO L93 Difference]: Finished difference Result 290 states and 327 transitions. [2024-11-17 03:46:42,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 03:46:42,443 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2024-11-17 03:46:42,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:46:42,444 INFO L225 Difference]: With dead ends: 290 [2024-11-17 03:46:42,444 INFO L226 Difference]: Without dead ends: 171 [2024-11-17 03:46:42,445 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-17 03:46:42,446 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 84 mSDsluCounter, 369 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 03:46:42,447 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 472 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 03:46:42,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2024-11-17 03:46:42,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 138. [2024-11-17 03:46:42,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 108 states have (on average 1.3611111111111112) internal successors, (147), 133 states have internal predecessors, (147), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-17 03:46:42,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 153 transitions. [2024-11-17 03:46:42,460 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 153 transitions. Word has length 16 [2024-11-17 03:46:42,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:46:42,460 INFO L471 AbstractCegarLoop]: Abstraction has 138 states and 153 transitions. [2024-11-17 03:46:42,461 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:46:42,461 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 153 transitions. [2024-11-17 03:46:42,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-17 03:46:42,461 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:46:42,462 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:46:42,477 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-17 03:46:42,665 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 [2024-11-17 03:46:42,666 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-17 03:46:42,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:46:42,666 INFO L85 PathProgramCache]: Analyzing trace with hash -1057315625, now seen corresponding path program 2 times [2024-11-17 03:46:42,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:46:42,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670824603] [2024-11-17 03:46:42,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:46:42,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:46:42,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:46:42,756 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-17 03:46:42,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:46:42,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670824603] [2024-11-17 03:46:42,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670824603] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:46:42,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:46:42,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 03:46:42,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588502523] [2024-11-17 03:46:42,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:46:42,758 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 03:46:42,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:46:42,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 03:46:42,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:46:42,758 INFO L87 Difference]: Start difference. First operand 138 states and 153 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:46:42,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:46:42,797 INFO L93 Difference]: Finished difference Result 276 states and 309 transitions. [2024-11-17 03:46:42,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 03:46:42,798 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2024-11-17 03:46:42,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:46:42,800 INFO L225 Difference]: With dead ends: 276 [2024-11-17 03:46:42,800 INFO L226 Difference]: Without dead ends: 190 [2024-11-17 03:46:42,800 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:46:42,801 INFO L432 NwaCegarLoop]: 120 mSDtfsCounter, 48 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 351 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:46:42,801 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 351 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:46:42,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2024-11-17 03:46:42,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 144. [2024-11-17 03:46:42,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 114 states have (on average 1.3421052631578947) internal successors, (153), 139 states have internal predecessors, (153), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-17 03:46:42,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 159 transitions. [2024-11-17 03:46:42,843 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 159 transitions. Word has length 26 [2024-11-17 03:46:42,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:46:42,843 INFO L471 AbstractCegarLoop]: Abstraction has 144 states and 159 transitions. [2024-11-17 03:46:42,843 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:46:42,843 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 159 transitions. [2024-11-17 03:46:42,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-17 03:46:42,844 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:46:42,844 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:46:42,844 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-17 03:46:42,844 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-17 03:46:42,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:46:42,845 INFO L85 PathProgramCache]: Analyzing trace with hash -2133460250, now seen corresponding path program 1 times [2024-11-17 03:46:42,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:46:42,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456509054] [2024-11-17 03:46:42,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:46:42,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:46:42,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:46:42,925 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-17 03:46:42,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:46:42,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456509054] [2024-11-17 03:46:42,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456509054] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:46:42,927 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:46:42,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 03:46:42,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956190851] [2024-11-17 03:46:42,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:46:42,928 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 03:46:42,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:46:42,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 03:46:42,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:46:42,929 INFO L87 Difference]: Start difference. First operand 144 states and 159 transitions. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:46:42,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:46:42,983 INFO L93 Difference]: Finished difference Result 267 states and 297 transitions. [2024-11-17 03:46:42,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 03:46:42,984 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2024-11-17 03:46:42,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:46:42,985 INFO L225 Difference]: With dead ends: 267 [2024-11-17 03:46:42,985 INFO L226 Difference]: Without dead ends: 142 [2024-11-17 03:46:42,986 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:46:42,988 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 37 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:46:42,988 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 244 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:46:42,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2024-11-17 03:46:42,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 136. [2024-11-17 03:46:42,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 113 states have (on average 1.3274336283185841) internal successors, (150), 132 states have internal predecessors, (150), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 03:46:43,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 154 transitions. [2024-11-17 03:46:43,000 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 154 transitions. Word has length 29 [2024-11-17 03:46:43,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:46:43,000 INFO L471 AbstractCegarLoop]: Abstraction has 136 states and 154 transitions. [2024-11-17 03:46:43,000 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:46:43,001 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 154 transitions. [2024-11-17 03:46:43,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-17 03:46:43,001 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:46:43,001 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:46:43,001 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-17 03:46:43,001 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-17 03:46:43,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:46:43,002 INFO L85 PathProgramCache]: Analyzing trace with hash 421724631, now seen corresponding path program 1 times [2024-11-17 03:46:43,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:46:43,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573497739] [2024-11-17 03:46:43,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:46:43,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:46:43,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:46:43,162 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-17 03:46:43,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:46:43,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573497739] [2024-11-17 03:46:43,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573497739] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:46:43,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [454140235] [2024-11-17 03:46:43,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:46:43,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:46:43,164 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:46:43,166 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) [2024-11-17 03:46:43,168 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-17 03:46:43,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:46:43,233 INFO L255 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-17 03:46:43,235 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:46:43,288 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-17 03:46:43,288 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:46:43,395 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-17 03:46:43,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [454140235] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:46:43,396 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:46:43,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-11-17 03:46:43,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671640685] [2024-11-17 03:46:43,396 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:46:43,396 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-17 03:46:43,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:46:43,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-17 03:46:43,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-17 03:46:43,397 INFO L87 Difference]: Start difference. First operand 136 states and 154 transitions. Second operand has 18 states, 18 states have (on average 2.9444444444444446) internal successors, (53), 18 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:46:43,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:46:43,526 INFO L93 Difference]: Finished difference Result 295 states and 338 transitions. [2024-11-17 03:46:43,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-17 03:46:43,527 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.9444444444444446) internal successors, (53), 18 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2024-11-17 03:46:43,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:46:43,528 INFO L225 Difference]: With dead ends: 295 [2024-11-17 03:46:43,528 INFO L226 Difference]: Without dead ends: 178 [2024-11-17 03:46:43,529 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-17 03:46:43,529 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 58 mSDsluCounter, 595 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 688 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 03:46:43,530 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 688 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 03:46:43,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2024-11-17 03:46:43,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 156. [2024-11-17 03:46:43,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 133 states have (on average 1.2781954887218046) internal successors, (170), 152 states have internal predecessors, (170), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 03:46:43,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 174 transitions. [2024-11-17 03:46:43,537 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 174 transitions. Word has length 31 [2024-11-17 03:46:43,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:46:43,537 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 174 transitions. [2024-11-17 03:46:43,537 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.9444444444444446) internal successors, (53), 18 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:46:43,537 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 174 transitions. [2024-11-17 03:46:43,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-17 03:46:43,538 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:46:43,538 INFO L215 NwaCegarLoop]: trace histogram [8, 7, 7, 7, 7, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:46:43,555 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-17 03:46:43,742 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:46:43,743 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-17 03:46:43,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:46:43,743 INFO L85 PathProgramCache]: Analyzing trace with hash -1341689321, now seen corresponding path program 2 times [2024-11-17 03:46:43,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:46:43,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556858712] [2024-11-17 03:46:43,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:46:43,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:46:43,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:46:44,059 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 119 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-17 03:46:44,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:46:44,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556858712] [2024-11-17 03:46:44,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1556858712] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:46:44,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2004992217] [2024-11-17 03:46:44,060 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 03:46:44,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:46:44,060 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:46:44,062 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) [2024-11-17 03:46:44,064 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-17 03:46:44,148 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 03:46:44,148 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 03:46:44,149 INFO L255 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-17 03:46:44,152 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:46:44,251 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 119 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-17 03:46:44,251 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:46:44,572 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 119 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-17 03:46:44,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2004992217] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:46:44,572 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:46:44,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 34 [2024-11-17 03:46:44,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825029133] [2024-11-17 03:46:44,573 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:46:44,573 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-17 03:46:44,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:46:44,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-17 03:46:44,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=816, Unknown=0, NotChecked=0, Total=1122 [2024-11-17 03:46:44,575 INFO L87 Difference]: Start difference. First operand 156 states and 174 transitions. Second operand has 34 states, 34 states have (on average 2.735294117647059) internal successors, (93), 34 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:46:44,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:46:44,760 INFO L93 Difference]: Finished difference Result 335 states and 382 transitions. [2024-11-17 03:46:44,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-17 03:46:44,761 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 2.735294117647059) internal successors, (93), 34 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2024-11-17 03:46:44,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:46:44,762 INFO L225 Difference]: With dead ends: 335 [2024-11-17 03:46:44,762 INFO L226 Difference]: Without dead ends: 218 [2024-11-17 03:46:44,763 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 334 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=306, Invalid=816, Unknown=0, NotChecked=0, Total=1122 [2024-11-17 03:46:44,763 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 203 mSDsluCounter, 659 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 745 SdHoareTripleChecker+Invalid, 260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 03:46:44,764 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 745 Invalid, 260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 03:46:44,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2024-11-17 03:46:44,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 196. [2024-11-17 03:46:44,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 173 states have (on average 1.2138728323699421) internal successors, (210), 192 states have internal predecessors, (210), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 03:46:44,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 214 transitions. [2024-11-17 03:46:44,772 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 214 transitions. Word has length 51 [2024-11-17 03:46:44,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:46:44,773 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 214 transitions. [2024-11-17 03:46:44,773 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 2.735294117647059) internal successors, (93), 34 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:46:44,773 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 214 transitions. [2024-11-17 03:46:44,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-17 03:46:44,774 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:46:44,774 INFO L215 NwaCegarLoop]: trace histogram [16, 15, 15, 15, 15, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:46:44,792 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-17 03:46:44,978 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:46:44,979 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-17 03:46:44,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:46:44,979 INFO L85 PathProgramCache]: Analyzing trace with hash 475034263, now seen corresponding path program 3 times [2024-11-17 03:46:44,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:46:44,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480244184] [2024-11-17 03:46:44,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:46:44,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:46:45,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:46:45,790 INFO L134 CoverageAnalysis]: Checked inductivity of 558 backedges. 0 proven. 555 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-17 03:46:45,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:46:45,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480244184] [2024-11-17 03:46:45,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480244184] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:46:45,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1494063330] [2024-11-17 03:46:45,791 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-17 03:46:45,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:46:45,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:46:45,793 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) [2024-11-17 03:46:45,794 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-17 03:46:45,874 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-17 03:46:45,875 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 03:46:45,875 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 03:46:45,878 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:46:45,971 INFO L134 CoverageAnalysis]: Checked inductivity of 558 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2024-11-17 03:46:45,971 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 03:46:45,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1494063330] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:46:45,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 03:46:45,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [33] total 36 [2024-11-17 03:46:45,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628735573] [2024-11-17 03:46:45,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:46:45,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 03:46:45,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:46:45,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 03:46:45,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=295, Invalid=965, Unknown=0, NotChecked=0, Total=1260 [2024-11-17 03:46:45,973 INFO L87 Difference]: Start difference. First operand 196 states and 214 transitions. Second operand has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:46:46,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:46:46,010 INFO L93 Difference]: Finished difference Result 247 states and 272 transitions. [2024-11-17 03:46:46,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 03:46:46,011 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2024-11-17 03:46:46,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:46:46,014 INFO L225 Difference]: With dead ends: 247 [2024-11-17 03:46:46,014 INFO L226 Difference]: Without dead ends: 246 [2024-11-17 03:46:46,015 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 297 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=295, Invalid=965, Unknown=0, NotChecked=0, Total=1260 [2024-11-17 03:46:46,015 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 48 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 368 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:46:46,015 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 368 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:46:46,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2024-11-17 03:46:46,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 195. [2024-11-17 03:46:46,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 173 states have (on average 1.2080924855491328) internal successors, (209), 191 states have internal predecessors, (209), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 03:46:46,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 213 transitions. [2024-11-17 03:46:46,023 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 213 transitions. Word has length 91 [2024-11-17 03:46:46,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:46:46,023 INFO L471 AbstractCegarLoop]: Abstraction has 195 states and 213 transitions. [2024-11-17 03:46:46,023 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:46:46,023 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 213 transitions. [2024-11-17 03:46:46,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-17 03:46:46,024 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:46:46,024 INFO L215 NwaCegarLoop]: trace histogram [16, 15, 15, 15, 15, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:46:46,041 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-17 03:46:46,225 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:46:46,225 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-17 03:46:46,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:46:46,226 INFO L85 PathProgramCache]: Analyzing trace with hash 1841160339, now seen corresponding path program 1 times [2024-11-17 03:46:46,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:46:46,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917704184] [2024-11-17 03:46:46,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:46:46,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:46:46,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:46:46,315 INFO L134 CoverageAnalysis]: Checked inductivity of 559 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 557 trivial. 0 not checked. [2024-11-17 03:46:46,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:46:46,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917704184] [2024-11-17 03:46:46,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917704184] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:46:46,315 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:46:46,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 03:46:46,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036435098] [2024-11-17 03:46:46,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:46:46,316 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 03:46:46,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:46:46,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 03:46:46,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 03:46:46,317 INFO L87 Difference]: Start difference. First operand 195 states and 213 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:46:46,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:46:46,326 INFO L93 Difference]: Finished difference Result 195 states and 213 transitions. [2024-11-17 03:46:46,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 03:46:46,328 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2024-11-17 03:46:46,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:46:46,330 INFO L225 Difference]: With dead ends: 195 [2024-11-17 03:46:46,330 INFO L226 Difference]: Without dead ends: 194 [2024-11-17 03:46:46,330 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 03:46:46,330 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 1 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:46:46,331 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 196 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:46:46,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2024-11-17 03:46:46,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 192. [2024-11-17 03:46:46,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 171 states have (on average 1.2046783625730995) internal successors, (206), 188 states have internal predecessors, (206), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 03:46:46,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 210 transitions. [2024-11-17 03:46:46,340 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 210 transitions. Word has length 92 [2024-11-17 03:46:46,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:46:46,341 INFO L471 AbstractCegarLoop]: Abstraction has 192 states and 210 transitions. [2024-11-17 03:46:46,341 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:46:46,341 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 210 transitions. [2024-11-17 03:46:46,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-17 03:46:46,342 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:46:46,343 INFO L215 NwaCegarLoop]: trace histogram [16, 15, 15, 15, 15, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:46:46,343 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-17 03:46:46,343 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-17 03:46:46,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:46:46,344 INFO L85 PathProgramCache]: Analyzing trace with hash 847395693, now seen corresponding path program 1 times [2024-11-17 03:46:46,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:46:46,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716320866] [2024-11-17 03:46:46,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:46:46,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:46:46,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:46:46,449 INFO L134 CoverageAnalysis]: Checked inductivity of 557 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2024-11-17 03:46:46,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:46:46,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716320866] [2024-11-17 03:46:46,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716320866] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:46:46,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2005230564] [2024-11-17 03:46:46,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:46:46,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:46:46,450 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:46:46,451 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) [2024-11-17 03:46:46,453 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-17 03:46:46,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:46:46,561 INFO L255 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-17 03:46:46,567 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:46:47,111 INFO L134 CoverageAnalysis]: Checked inductivity of 557 backedges. 0 proven. 555 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-17 03:46:47,111 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:46:48,136 INFO L134 CoverageAnalysis]: Checked inductivity of 557 backedges. 0 proven. 555 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-17 03:46:48,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2005230564] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:46:48,136 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:46:48,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 33, 33] total 67 [2024-11-17 03:46:48,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896605576] [2024-11-17 03:46:48,137 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:46:48,138 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 67 states [2024-11-17 03:46:48,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:46:48,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2024-11-17 03:46:48,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1063, Invalid=3359, Unknown=0, NotChecked=0, Total=4422 [2024-11-17 03:46:48,141 INFO L87 Difference]: Start difference. First operand 192 states and 210 transitions. Second operand has 67 states, 67 states have (on average 2.8656716417910446) internal successors, (192), 67 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:46:48,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:46:48,507 INFO L93 Difference]: Finished difference Result 474 states and 539 transitions. [2024-11-17 03:46:48,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-11-17 03:46:48,508 INFO L78 Accepts]: Start accepts. Automaton has has 67 states, 67 states have (on average 2.8656716417910446) internal successors, (192), 67 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 97 [2024-11-17 03:46:48,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:46:48,510 INFO L225 Difference]: With dead ends: 474 [2024-11-17 03:46:48,510 INFO L226 Difference]: Without dead ends: 361 [2024-11-17 03:46:48,511 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1185 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1099, Invalid=3457, Unknown=0, NotChecked=0, Total=4556 [2024-11-17 03:46:48,512 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 234 mSDsluCounter, 671 mSDsCounter, 0 mSdLazyCounter, 400 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 748 SdHoareTripleChecker+Invalid, 428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 400 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 03:46:48,512 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [237 Valid, 748 Invalid, 428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 400 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 03:46:48,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2024-11-17 03:46:48,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 277. [2024-11-17 03:46:48,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 256 states have (on average 1.13671875) internal successors, (291), 273 states have internal predecessors, (291), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 03:46:48,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 295 transitions. [2024-11-17 03:46:48,520 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 295 transitions. Word has length 97 [2024-11-17 03:46:48,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:46:48,521 INFO L471 AbstractCegarLoop]: Abstraction has 277 states and 295 transitions. [2024-11-17 03:46:48,521 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 67 states, 67 states have (on average 2.8656716417910446) internal successors, (192), 67 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:46:48,521 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 295 transitions. [2024-11-17 03:46:48,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-17 03:46:48,522 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:46:48,522 INFO L215 NwaCegarLoop]: trace histogram [32, 31, 31, 31, 31, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:46:48,540 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-17 03:46:48,726 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:46:48,727 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-17 03:46:48,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:46:48,727 INFO L85 PathProgramCache]: Analyzing trace with hash -512535571, now seen corresponding path program 2 times [2024-11-17 03:46:48,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:46:48,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344921997] [2024-11-17 03:46:48,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:46:48,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:46:48,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:46:49,022 INFO L134 CoverageAnalysis]: Checked inductivity of 2396 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2396 trivial. 0 not checked. [2024-11-17 03:46:49,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:46:49,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344921997] [2024-11-17 03:46:49,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [344921997] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:46:49,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:46:49,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 03:46:49,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552705693] [2024-11-17 03:46:49,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:46:49,023 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 03:46:49,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:46:49,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 03:46:49,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:46:49,024 INFO L87 Difference]: Start difference. First operand 277 states and 295 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:46:49,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:46:49,055 INFO L93 Difference]: Finished difference Result 376 states and 405 transitions. [2024-11-17 03:46:49,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 03:46:49,055 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 182 [2024-11-17 03:46:49,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:46:49,057 INFO L225 Difference]: With dead ends: 376 [2024-11-17 03:46:49,057 INFO L226 Difference]: Without dead ends: 275 [2024-11-17 03:46:49,057 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 03:46:49,058 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 15 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:46:49,058 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 264 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:46:49,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2024-11-17 03:46:49,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 273. [2024-11-17 03:46:49,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 252 states have (on average 1.123015873015873) internal successors, (283), 269 states have internal predecessors, (283), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 03:46:49,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 287 transitions. [2024-11-17 03:46:49,065 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 287 transitions. Word has length 182 [2024-11-17 03:46:49,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:46:49,065 INFO L471 AbstractCegarLoop]: Abstraction has 273 states and 287 transitions. [2024-11-17 03:46:49,065 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:46:49,065 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 287 transitions. [2024-11-17 03:46:49,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-17 03:46:49,067 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:46:49,067 INFO L215 NwaCegarLoop]: trace histogram [32, 31, 31, 31, 31, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:46:49,067 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-17 03:46:49,067 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-17 03:46:49,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:46:49,067 INFO L85 PathProgramCache]: Analyzing trace with hash 1372406029, now seen corresponding path program 1 times [2024-11-17 03:46:49,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:46:49,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587046734] [2024-11-17 03:46:49,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:46:49,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:46:49,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:46:49,192 INFO L134 CoverageAnalysis]: Checked inductivity of 2396 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2396 trivial. 0 not checked. [2024-11-17 03:46:49,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:46:49,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587046734] [2024-11-17 03:46:49,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [587046734] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:46:49,192 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:46:49,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 03:46:49,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921138910] [2024-11-17 03:46:49,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:46:49,193 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 03:46:49,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:46:49,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 03:46:49,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:46:49,193 INFO L87 Difference]: Start difference. First operand 273 states and 287 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:46:49,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:46:49,203 INFO L93 Difference]: Finished difference Result 275 states and 287 transitions. [2024-11-17 03:46:49,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 03:46:49,203 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 184 [2024-11-17 03:46:49,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:46:49,204 INFO L225 Difference]: With dead ends: 275 [2024-11-17 03:46:49,204 INFO L226 Difference]: Without dead ends: 192 [2024-11-17 03:46:49,205 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:46:49,205 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 0 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:46:49,205 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 96 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:46:49,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2024-11-17 03:46:49,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 192. [2024-11-17 03:46:49,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 190 states have (on average 1.0210526315789474) internal successors, (194), 191 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:46:49,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 194 transitions. [2024-11-17 03:46:49,210 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 194 transitions. Word has length 184 [2024-11-17 03:46:49,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:46:49,211 INFO L471 AbstractCegarLoop]: Abstraction has 192 states and 194 transitions. [2024-11-17 03:46:49,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:46:49,211 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 194 transitions. [2024-11-17 03:46:49,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-11-17 03:46:49,212 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:46:49,212 INFO L215 NwaCegarLoop]: trace histogram [32, 31, 31, 31, 31, 3, 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] [2024-11-17 03:46:49,212 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-17 03:46:49,213 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-17 03:46:49,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:46:49,213 INFO L85 PathProgramCache]: Analyzing trace with hash 963421186, now seen corresponding path program 1 times [2024-11-17 03:46:49,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:46:49,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46706530] [2024-11-17 03:46:49,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:46:49,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:46:49,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:46:49,387 INFO L134 CoverageAnalysis]: Checked inductivity of 2396 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2396 trivial. 0 not checked. [2024-11-17 03:46:49,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:46:49,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46706530] [2024-11-17 03:46:49,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46706530] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:46:49,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:46:49,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 03:46:49,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46317909] [2024-11-17 03:46:49,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:46:49,389 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 03:46:49,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:46:49,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 03:46:49,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:46:49,389 INFO L87 Difference]: Start difference. First operand 192 states and 194 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:46:49,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:46:49,414 INFO L93 Difference]: Finished difference Result 208 states and 210 transitions. [2024-11-17 03:46:49,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 03:46:49,414 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 188 [2024-11-17 03:46:49,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:46:49,415 INFO L225 Difference]: With dead ends: 208 [2024-11-17 03:46:49,415 INFO L226 Difference]: Without dead ends: 206 [2024-11-17 03:46:49,416 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:46:49,417 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 3 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:46:49,417 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 79 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:46:49,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2024-11-17 03:46:49,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 205. [2024-11-17 03:46:49,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 203 states have (on average 1.019704433497537) internal successors, (207), 204 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:46:49,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 207 transitions. [2024-11-17 03:46:49,423 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 207 transitions. Word has length 188 [2024-11-17 03:46:49,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:46:49,423 INFO L471 AbstractCegarLoop]: Abstraction has 205 states and 207 transitions. [2024-11-17 03:46:49,423 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:46:49,424 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 207 transitions. [2024-11-17 03:46:49,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-11-17 03:46:49,425 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:46:49,425 INFO L215 NwaCegarLoop]: trace histogram [32, 31, 31, 31, 31, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:46:49,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-17 03:46:49,425 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-17 03:46:49,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:46:49,426 INFO L85 PathProgramCache]: Analyzing trace with hash 1863189294, now seen corresponding path program 1 times [2024-11-17 03:46:49,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:46:49,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347026030] [2024-11-17 03:46:49,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:46:49,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:46:49,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:46:51,959 INFO L134 CoverageAnalysis]: Checked inductivity of 2408 backedges. 0 proven. 2387 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-17 03:46:51,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:46:51,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347026030] [2024-11-17 03:46:51,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347026030] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:46:51,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1415347861] [2024-11-17 03:46:51,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:46:51,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:46:51,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:46:51,962 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) [2024-11-17 03:46:51,963 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-17 03:46:52,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:46:52,173 INFO L255 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 64 conjuncts are in the unsatisfiable core [2024-11-17 03:46:52,179 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:46:52,449 INFO L134 CoverageAnalysis]: Checked inductivity of 2408 backedges. 0 proven. 2387 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-17 03:46:52,449 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:46:55,379 INFO L134 CoverageAnalysis]: Checked inductivity of 2408 backedges. 0 proven. 2387 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-17 03:46:55,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1415347861] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:46:55,379 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:46:55,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [65, 65, 65] total 130 [2024-11-17 03:46:55,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463933059] [2024-11-17 03:46:55,380 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:46:55,381 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 130 states [2024-11-17 03:46:55,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:46:55,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 130 interpolants. [2024-11-17 03:46:55,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4290, Invalid=12480, Unknown=0, NotChecked=0, Total=16770 [2024-11-17 03:46:55,387 INFO L87 Difference]: Start difference. First operand 205 states and 207 transitions. Second operand has 130 states, 130 states have (on average 2.6846153846153844) internal successors, (349), 130 states have internal predecessors, (349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:46:55,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:46:55,804 INFO L93 Difference]: Finished difference Result 411 states and 446 transitions. [2024-11-17 03:46:55,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2024-11-17 03:46:55,805 INFO L78 Accepts]: Start accepts. Automaton has has 130 states, 130 states have (on average 2.6846153846153844) internal successors, (349), 130 states have internal predecessors, (349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 202 [2024-11-17 03:46:55,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:46:55,806 INFO L225 Difference]: With dead ends: 411 [2024-11-17 03:46:55,806 INFO L226 Difference]: Without dead ends: 365 [2024-11-17 03:46:55,810 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 467 GetRequests, 339 SyntacticMatches, 0 SemanticMatches, 128 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5206 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=4290, Invalid=12480, Unknown=0, NotChecked=0, Total=16770 [2024-11-17 03:46:55,811 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 6 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 295 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 295 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 03:46:55,811 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 265 Invalid, 301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 295 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 03:46:55,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2024-11-17 03:46:55,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 365. [2024-11-17 03:46:55,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365 states, 363 states have (on average 1.0110192837465564) internal successors, (367), 364 states have internal predecessors, (367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:46:55,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 367 transitions. [2024-11-17 03:46:55,821 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 367 transitions. Word has length 202 [2024-11-17 03:46:55,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:46:55,821 INFO L471 AbstractCegarLoop]: Abstraction has 365 states and 367 transitions. [2024-11-17 03:46:55,821 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 130 states, 130 states have (on average 2.6846153846153844) internal successors, (349), 130 states have internal predecessors, (349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:46:55,821 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 367 transitions. [2024-11-17 03:46:55,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2024-11-17 03:46:55,825 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:46:55,825 INFO L215 NwaCegarLoop]: trace histogram [64, 63, 63, 63, 63, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:46:55,844 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-17 03:46:56,026 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:46:56,026 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-17 03:46:56,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:46:56,027 INFO L85 PathProgramCache]: Analyzing trace with hash 151437614, now seen corresponding path program 2 times [2024-11-17 03:46:56,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:46:56,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909285843] [2024-11-17 03:46:56,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:46:56,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:46:56,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:47:03,861 INFO L134 CoverageAnalysis]: Checked inductivity of 9912 backedges. 0 proven. 9891 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-17 03:47:03,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:47:03,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909285843] [2024-11-17 03:47:03,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909285843] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:47:03,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [568103961] [2024-11-17 03:47:03,862 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 03:47:03,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:47:03,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:47:03,864 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) [2024-11-17 03:47:03,867 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-17 03:47:04,144 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 03:47:04,144 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 03:47:04,153 INFO L255 TraceCheckSpWp]: Trace formula consists of 1048 conjuncts, 128 conjuncts are in the unsatisfiable core [2024-11-17 03:47:04,158 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:47:04,559 INFO L134 CoverageAnalysis]: Checked inductivity of 9912 backedges. 0 proven. 9891 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-17 03:47:04,560 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:47:15,304 INFO L134 CoverageAnalysis]: Checked inductivity of 9912 backedges. 0 proven. 9891 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-17 03:47:15,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [568103961] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:47:15,304 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:47:15,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [129, 129, 129] total 258 [2024-11-17 03:47:15,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823635811] [2024-11-17 03:47:15,304 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:47:15,306 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 258 states [2024-11-17 03:47:15,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:47:15,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 258 interpolants. [2024-11-17 03:47:15,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16770, Invalid=49536, Unknown=0, NotChecked=0, Total=66306 [2024-11-17 03:47:15,323 INFO L87 Difference]: Start difference. First operand 365 states and 367 transitions. Second operand has 258 states, 258 states have (on average 2.5930232558139537) internal successors, (669), 258 states have internal predecessors, (669), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:47:16,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:47:16,450 INFO L93 Difference]: Finished difference Result 731 states and 798 transitions. [2024-11-17 03:47:16,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 255 states. [2024-11-17 03:47:16,451 INFO L78 Accepts]: Start accepts. Automaton has has 258 states, 258 states have (on average 2.5930232558139537) internal successors, (669), 258 states have internal predecessors, (669), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 362 [2024-11-17 03:47:16,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:47:16,454 INFO L225 Difference]: With dead ends: 731 [2024-11-17 03:47:16,455 INFO L226 Difference]: Without dead ends: 685 [2024-11-17 03:47:16,459 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 851 GetRequests, 595 SyntacticMatches, 0 SemanticMatches, 256 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20662 ImplicationChecksByTransitivity, 14.5s TimeCoverageRelationStatistics Valid=16770, Invalid=49536, Unknown=0, NotChecked=0, Total=66306 [2024-11-17 03:47:16,459 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 10 mSDsluCounter, 435 mSDsCounter, 0 mSdLazyCounter, 571 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 464 SdHoareTripleChecker+Invalid, 581 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 571 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-17 03:47:16,460 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 464 Invalid, 581 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 571 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-17 03:47:16,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 685 states. [2024-11-17 03:47:16,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 685 to 685. [2024-11-17 03:47:16,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 685 states, 683 states have (on average 1.0058565153733527) internal successors, (687), 684 states have internal predecessors, (687), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:47:16,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 685 states and 687 transitions. [2024-11-17 03:47:16,476 INFO L78 Accepts]: Start accepts. Automaton has 685 states and 687 transitions. Word has length 362 [2024-11-17 03:47:16,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:47:16,477 INFO L471 AbstractCegarLoop]: Abstraction has 685 states and 687 transitions. [2024-11-17 03:47:16,478 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 258 states, 258 states have (on average 2.5930232558139537) internal successors, (669), 258 states have internal predecessors, (669), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:47:16,478 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 687 transitions. [2024-11-17 03:47:16,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 683 [2024-11-17 03:47:16,489 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:47:16,489 INFO L215 NwaCegarLoop]: trace histogram [128, 127, 127, 127, 127, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:47:16,509 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-17 03:47:16,693 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,SelfDestructingSolverStorable15 [2024-11-17 03:47:16,694 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-17 03:47:16,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:47:16,695 INFO L85 PathProgramCache]: Analyzing trace with hash -135250642, now seen corresponding path program 3 times [2024-11-17 03:47:16,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:47:16,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728136485] [2024-11-17 03:47:16,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:47:16,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:47:16,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:47:46,192 INFO L134 CoverageAnalysis]: Checked inductivity of 40280 backedges. 0 proven. 40259 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-17 03:47:46,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:47:46,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728136485] [2024-11-17 03:47:46,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728136485] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:47:46,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [639495581] [2024-11-17 03:47:46,193 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-17 03:47:46,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:47:46,194 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:47:46,195 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) [2024-11-17 03:47:46,197 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-17 03:47:46,433 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-17 03:47:46,434 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 03:47:46,435 INFO L255 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 03:47:46,441 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:47:46,756 INFO L134 CoverageAnalysis]: Checked inductivity of 40280 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 40268 trivial. 0 not checked. [2024-11-17 03:47:46,756 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 03:47:46,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [639495581] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:47:46,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 03:47:46,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [257] total 260 [2024-11-17 03:47:46,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541314503] [2024-11-17 03:47:46,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:47:46,758 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 03:47:46,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:47:46,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 03:47:46,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16647, Invalid=50693, Unknown=0, NotChecked=0, Total=67340 [2024-11-17 03:47:46,767 INFO L87 Difference]: Start difference. First operand 685 states and 687 transitions. Second operand has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:47:46,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:47:46,795 INFO L93 Difference]: Finished difference Result 685 states and 687 transitions. [2024-11-17 03:47:46,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 03:47:46,795 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 682 [2024-11-17 03:47:46,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:47:46,799 INFO L225 Difference]: With dead ends: 685 [2024-11-17 03:47:46,799 INFO L226 Difference]: Without dead ends: 684 [2024-11-17 03:47:46,807 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 938 GetRequests, 680 SyntacticMatches, 0 SemanticMatches, 258 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16761 ImplicationChecksByTransitivity, 15.7s TimeCoverageRelationStatistics Valid=16647, Invalid=50693, Unknown=0, NotChecked=0, Total=67340 [2024-11-17 03:47:46,808 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 3 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:47:46,808 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 92 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:47:46,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 684 states. [2024-11-17 03:47:46,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 684 to 684. [2024-11-17 03:47:46,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 684 states, 683 states have (on average 1.0043923865300146) internal successors, (686), 683 states have internal predecessors, (686), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:47:46,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 684 states and 686 transitions. [2024-11-17 03:47:46,824 INFO L78 Accepts]: Start accepts. Automaton has 684 states and 686 transitions. Word has length 682 [2024-11-17 03:47:46,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:47:46,825 INFO L471 AbstractCegarLoop]: Abstraction has 684 states and 686 transitions. [2024-11-17 03:47:46,826 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:47:46,826 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 686 transitions. [2024-11-17 03:47:46,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 684 [2024-11-17 03:47:46,839 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:47:46,839 INFO L215 NwaCegarLoop]: trace histogram [128, 127, 127, 127, 127, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:47:46,857 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-17 03:47:47,039 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-17 03:47:47,040 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-17 03:47:47,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:47:47,040 INFO L85 PathProgramCache]: Analyzing trace with hash 102197398, now seen corresponding path program 1 times [2024-11-17 03:47:47,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:47:47,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358781441] [2024-11-17 03:47:47,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:47:47,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:47:47,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:47:47,361 INFO L134 CoverageAnalysis]: Checked inductivity of 40281 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 40270 trivial. 0 not checked. [2024-11-17 03:47:47,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:47:47,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358781441] [2024-11-17 03:47:47,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [358781441] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:47:47,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:47:47,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 03:47:47,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120150979] [2024-11-17 03:47:47,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:47:47,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 03:47:47,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:47:47,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 03:47:47,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:47:47,363 INFO L87 Difference]: Start difference. First operand 684 states and 686 transitions. Second operand has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:47:47,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:47:47,384 INFO L93 Difference]: Finished difference Result 684 states and 686 transitions. [2024-11-17 03:47:47,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 03:47:47,385 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 683 [2024-11-17 03:47:47,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:47:47,386 INFO L225 Difference]: With dead ends: 684 [2024-11-17 03:47:47,386 INFO L226 Difference]: Without dead ends: 0 [2024-11-17 03:47:47,387 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:47:47,388 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 3 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:47:47,388 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 67 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:47:47,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-17 03:47:47,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-17 03:47:47,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:47:47,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-17 03:47:47,389 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 683 [2024-11-17 03:47:47,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:47:47,389 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-17 03:47:47,389 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:47:47,390 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-17 03:47:47,390 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-17 03:47:47,394 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 28 remaining) [2024-11-17 03:47:47,395 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 28 remaining) [2024-11-17 03:47:47,395 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 28 remaining) [2024-11-17 03:47:47,395 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 28 remaining) [2024-11-17 03:47:47,395 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 28 remaining) [2024-11-17 03:47:47,395 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 28 remaining) [2024-11-17 03:47:47,395 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 28 remaining) [2024-11-17 03:47:47,395 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 28 remaining) [2024-11-17 03:47:47,395 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 28 remaining) [2024-11-17 03:47:47,395 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 28 remaining) [2024-11-17 03:47:47,395 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 28 remaining) [2024-11-17 03:47:47,396 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 28 remaining) [2024-11-17 03:47:47,396 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 28 remaining) [2024-11-17 03:47:47,396 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 28 remaining) [2024-11-17 03:47:47,396 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 28 remaining) [2024-11-17 03:47:47,396 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 28 remaining) [2024-11-17 03:47:47,397 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 28 remaining) [2024-11-17 03:47:47,397 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 28 remaining) [2024-11-17 03:47:47,397 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 28 remaining) [2024-11-17 03:47:47,397 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 28 remaining) [2024-11-17 03:47:47,397 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 28 remaining) [2024-11-17 03:47:47,397 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 28 remaining) [2024-11-17 03:47:47,397 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 28 remaining) [2024-11-17 03:47:47,397 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 28 remaining) [2024-11-17 03:47:47,398 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 28 remaining) [2024-11-17 03:47:47,398 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 28 remaining) [2024-11-17 03:47:47,398 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 28 remaining) [2024-11-17 03:47:47,398 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 28 remaining) [2024-11-17 03:47:47,398 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-17 03:47:47,403 INFO L407 BasicCegarLoop]: Path program histogram: [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:47:47,406 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-17 03:47:48,624 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-17 03:47:48,643 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 03:47:48 BoogieIcfgContainer [2024-11-17 03:47:48,643 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-17 03:47:48,644 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 03:47:48,644 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 03:47:48,644 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 03:47:48,645 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 03:46:40" (3/4) ... [2024-11-17 03:47:48,647 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-17 03:47:48,651 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-17 03:47:48,659 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 31 nodes and edges [2024-11-17 03:47:48,659 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-17 03:47:48,659 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-17 03:47:48,659 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-17 03:47:48,760 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-17 03:47:48,761 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-17 03:47:48,761 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 03:47:48,762 INFO L158 Benchmark]: Toolchain (without parser) took 69214.77ms. Allocated memory was 188.7MB in the beginning and 2.2GB in the end (delta: 2.0GB). Free memory was 157.7MB in the beginning and 1.8GB in the end (delta: -1.7GB). Peak memory consumption was 303.2MB. Max. memory is 16.1GB. [2024-11-17 03:47:48,762 INFO L158 Benchmark]: CDTParser took 0.97ms. Allocated memory is still 134.2MB. Free memory is still 97.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 03:47:48,762 INFO L158 Benchmark]: CACSL2BoogieTranslator took 289.69ms. Allocated memory is still 188.7MB. Free memory was 157.5MB in the beginning and 148.3MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-17 03:47:48,762 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.10ms. Allocated memory is still 188.7MB. Free memory was 148.3MB in the beginning and 146.2MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 03:47:48,763 INFO L158 Benchmark]: Boogie Preprocessor took 43.24ms. Allocated memory is still 188.7MB. Free memory was 146.2MB in the beginning and 144.1MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-17 03:47:48,763 INFO L158 Benchmark]: IcfgBuilder took 556.65ms. Allocated memory is still 188.7MB. Free memory was 144.1MB in the beginning and 122.1MB in the end (delta: 22.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-17 03:47:48,763 INFO L158 Benchmark]: TraceAbstraction took 68162.44ms. Allocated memory was 188.7MB in the beginning and 2.2GB in the end (delta: 2.0GB). Free memory was 122.1MB in the beginning and 1.8GB in the end (delta: -1.7GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2024-11-17 03:47:48,763 INFO L158 Benchmark]: Witness Printer took 117.00ms. Allocated memory is still 2.2GB. Free memory was 1.8GB in the beginning and 1.8GB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-17 03:47:48,765 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.97ms. Allocated memory is still 134.2MB. Free memory is still 97.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 289.69ms. Allocated memory is still 188.7MB. Free memory was 157.5MB in the beginning and 148.3MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.10ms. Allocated memory is still 188.7MB. Free memory was 148.3MB in the beginning and 146.2MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 43.24ms. Allocated memory is still 188.7MB. Free memory was 146.2MB in the beginning and 144.1MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * IcfgBuilder took 556.65ms. Allocated memory is still 188.7MB. Free memory was 144.1MB in the beginning and 122.1MB in the end (delta: 22.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 68162.44ms. Allocated memory was 188.7MB in the beginning and 2.2GB in the end (delta: 2.0GB). Free memory was 122.1MB in the beginning and 1.8GB in the end (delta: -1.7GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. * Witness Printer took 117.00ms. Allocated memory is still 2.2GB. Free memory was 1.8GB in the beginning and 1.8GB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. 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 - PositiveResult [Line: 61]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 61]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 62]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 62]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 62]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 62]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 47]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 47]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 123 locations, 28 error locations. Started 1 CEGAR loops. OverallTime: 66.8s, OverallIterations: 18, TraceHistogramMax: 128, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.1s, AutomataDifference: 3.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 860 SdHoareTripleChecker+Valid, 1.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 842 mSDsluCounter, 6124 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4724 mSDsCounter, 125 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2277 IncrementalHoareTripleChecker+Invalid, 2402 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 125 mSolverCounterUnsat, 1400 mSDtfsCounter, 2277 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2844 GetRequests, 2023 SyntacticMatches, 0 SemanticMatches, 821 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44542 ImplicationChecksByTransitivity, 36.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=685occurred in iteration=16, InterpolantAutomatonStates: 550, 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, 18 MinimizatonAttempts, 339 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 59.0s InterpolantComputationTime, 4484 NumberOfCodeBlocks, 3779 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 5210 ConstructedInterpolants, 0 QuantifiedInterpolants, 10760 SizeOfPredicates, 0 NumberOfNonLiveVariables, 2649 ConjunctsInSsa, 265 ConjunctsInUnsatCore, 33 InterpolantComputations, 12 PerfectInterpolantSequences, 89642/168831 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 - AllSpecificationsHoldResult: All specifications hold 28 specifications checked. All of them hold - InvariantResult [Line: 22]: Location Invariant Derived location invariant: null - InvariantResult [Line: 47]: Location Invariant Derived location invariant: null - InvariantResult [Line: 61]: Location Invariant Derived location invariant: null - InvariantResult [Line: 51]: Location Invariant Derived location invariant: null - InvariantResult [Line: 62]: Location Invariant Derived location invariant: null - InvariantResult [Line: 56]: Location Invariant Derived location invariant: null - InvariantResult [Line: 33]: Location Invariant Derived location invariant: null - InvariantResult [Line: 40]: Location Invariant Derived location invariant: null - InvariantResult [Line: 55]: Location Invariant Derived location invariant: null - InvariantResult [Line: 39]: Location Invariant Derived location invariant: null - ProcedureContractResult [Line: 13]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Requires: 0 Ensures: 0 RESULT: Ultimate proved your program to be correct! [2024-11-17 03:47:48,795 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 Result: TRUE