./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound20.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e51b21c2da790a7136d7ad701fd2bec1367e3ae6dd3a60c613fa7cfa4db22905 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 19:31:59,796 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 19:31:59,862 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-10 19:31:59,869 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 19:31:59,870 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 19:31:59,896 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 19:31:59,897 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 19:31:59,898 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 19:31:59,898 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 19:31:59,900 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 19:31:59,900 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 19:31:59,900 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 19:31:59,901 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 19:31:59,901 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 19:31:59,903 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 19:31:59,903 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 19:31:59,904 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 19:31:59,904 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 19:31:59,904 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 19:31:59,904 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 19:31:59,904 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 19:31:59,908 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 19:31:59,908 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 19:31:59,908 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 19:31:59,908 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 19:31:59,908 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 19:31:59,909 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 19:31:59,909 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 19:31:59,909 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 19:31:59,909 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 19:31:59,910 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 19:31:59,910 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 19:31:59,910 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 19:31:59,910 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 19:31:59,910 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 19:31:59,911 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 19:31:59,911 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 19:31:59,911 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 19:31:59,911 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 19:31:59,911 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 19:31:59,912 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 19:31:59,912 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 19:31:59,913 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 19:31:59,913 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 19:31:59,913 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e51b21c2da790a7136d7ad701fd2bec1367e3ae6dd3a60c613fa7cfa4db22905 [2024-11-10 19:32:00,182 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 19:32:00,204 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 19:32:00,206 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 19:32:00,208 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 19:32:00,208 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 19:32:00,209 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound20.c [2024-11-10 19:32:01,569 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 19:32:01,745 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 19:32:01,746 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound20.c [2024-11-10 19:32:01,752 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f508cc1ca/240e9c99c99f4498af6dd55b851652d9/FLAG25a23c5bf [2024-11-10 19:32:01,762 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f508cc1ca/240e9c99c99f4498af6dd55b851652d9 [2024-11-10 19:32:01,765 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 19:32:01,766 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 19:32:01,767 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 19:32:01,767 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 19:32:01,772 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 19:32:01,773 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:32:01" (1/1) ... [2024-11-10 19:32:01,773 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64745c89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:32:01, skipping insertion in model container [2024-11-10 19:32:01,774 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:32:01" (1/1) ... [2024-11-10 19:32:01,793 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 19:32:01,991 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 19:32:01,999 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 19:32:02,019 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 19:32:02,035 INFO L204 MainTranslator]: Completed translation [2024-11-10 19:32:02,036 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:32:02 WrapperNode [2024-11-10 19:32:02,039 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 19:32:02,040 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 19:32:02,040 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 19:32:02,040 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 19:32:02,048 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:32:02" (1/1) ... [2024-11-10 19:32:02,055 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:32:02" (1/1) ... [2024-11-10 19:32:02,087 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 134 [2024-11-10 19:32:02,088 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 19:32:02,089 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 19:32:02,089 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 19:32:02,089 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 19:32:02,099 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:32:02" (1/1) ... [2024-11-10 19:32:02,099 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:32:02" (1/1) ... [2024-11-10 19:32:02,101 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:32:02" (1/1) ... [2024-11-10 19:32:02,122 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-10 19:32:02,125 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:32:02" (1/1) ... [2024-11-10 19:32:02,125 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:32:02" (1/1) ... [2024-11-10 19:32:02,129 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:32:02" (1/1) ... [2024-11-10 19:32:02,133 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:32:02" (1/1) ... [2024-11-10 19:32:02,134 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:32:02" (1/1) ... [2024-11-10 19:32:02,135 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:32:02" (1/1) ... [2024-11-10 19:32:02,141 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 19:32:02,142 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 19:32:02,142 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 19:32:02,142 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 19:32:02,143 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:32:02" (1/1) ... [2024-11-10 19:32:02,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 19:32:02,165 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:32:02,185 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 19:32:02,188 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 19:32:02,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 19:32:02,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 19:32:02,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 19:32:02,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 19:32:02,235 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-10 19:32:02,236 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-10 19:32:02,296 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 19:32:02,298 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 19:32:02,822 INFO L? ?]: Removed 92 outVars from TransFormulas that were not future-live. [2024-11-10 19:32:02,823 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 19:32:02,845 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 19:32:02,847 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 19:32:02,847 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:32:02 BoogieIcfgContainer [2024-11-10 19:32:02,847 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 19:32:02,850 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 19:32:02,850 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 19:32:02,853 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 19:32:02,853 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 07:32:01" (1/3) ... [2024-11-10 19:32:02,854 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56b1f2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:32:02, skipping insertion in model container [2024-11-10 19:32:02,855 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:32:02" (2/3) ... [2024-11-10 19:32:02,855 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56b1f2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:32:02, skipping insertion in model container [2024-11-10 19:32:02,855 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:32:02" (3/3) ... [2024-11-10 19:32:02,856 INFO L112 eAbstractionObserver]: Analyzing ICFG ps5-ll_unwindbound20.c [2024-11-10 19:32:02,871 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 19:32:02,871 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 86 error locations. [2024-11-10 19:32:02,939 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 19:32:02,945 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;@74ab419, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 19:32:02,948 INFO L334 AbstractCegarLoop]: Starting to check reachability of 86 error locations. [2024-11-10 19:32:02,953 INFO L276 IsEmpty]: Start isEmpty. Operand has 196 states, 105 states have (on average 1.8666666666666667) internal successors, (196), 191 states have internal predecessors, (196), 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) [2024-11-10 19:32:02,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-10 19:32:02,960 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:32:02,961 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-10 19:32:02,961 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr85ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-10 19:32:02,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:32:02,967 INFO L85 PathProgramCache]: Analyzing trace with hash -2023424290, now seen corresponding path program 1 times [2024-11-10 19:32:02,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:32:02,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289583886] [2024-11-10 19:32:02,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:32:02,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:32:03,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:32:03,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:32:03,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:32:03,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289583886] [2024-11-10 19:32:03,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289583886] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:32:03,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:32:03,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:32:03,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820138109] [2024-11-10 19:32:03,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:32:03,128 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 19:32:03,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:32:03,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 19:32:03,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 19:32:03,156 INFO L87 Difference]: Start difference. First operand has 196 states, 105 states have (on average 1.8666666666666667) internal successors, (196), 191 states have internal predecessors, (196), 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 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2024-11-10 19:32:03,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:32:03,198 INFO L93 Difference]: Finished difference Result 375 states and 402 transitions. [2024-11-10 19:32:03,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 19:32:03,200 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 6 [2024-11-10 19:32:03,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:32:03,207 INFO L225 Difference]: With dead ends: 375 [2024-11-10 19:32:03,207 INFO L226 Difference]: Without dead ends: 176 [2024-11-10 19:32:03,211 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 19:32:03,215 INFO L432 NwaCegarLoop]: 185 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:32:03,216 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:32:03,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2024-11-10 19:32:03,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 176. [2024-11-10 19:32:03,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 100 states have (on average 1.74) internal successors, (174), 172 states have internal predecessors, (174), 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) [2024-11-10 19:32:03,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 178 transitions. [2024-11-10 19:32:03,256 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 178 transitions. Word has length 6 [2024-11-10 19:32:03,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:32:03,257 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 178 transitions. [2024-11-10 19:32:03,257 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2024-11-10 19:32:03,257 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 178 transitions. [2024-11-10 19:32:03,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-10 19:32:03,258 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:32:03,259 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-10 19:32:03,260 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 19:32:03,260 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr85ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-10 19:32:03,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:32:03,261 INFO L85 PathProgramCache]: Analyzing trace with hash -2023394499, now seen corresponding path program 1 times [2024-11-10 19:32:03,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:32:03,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10544103] [2024-11-10 19:32:03,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:32:03,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:32:03,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:32:03,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:32:03,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:32:03,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10544103] [2024-11-10 19:32:03,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10544103] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:32:03,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:32:03,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:32:03,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164322111] [2024-11-10 19:32:03,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:32:03,366 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:32:03,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:32:03,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:32:03,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:32:03,367 INFO L87 Difference]: Start difference. First operand 176 states and 178 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2024-11-10 19:32:03,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:32:03,424 INFO L93 Difference]: Finished difference Result 258 states and 260 transitions. [2024-11-10 19:32:03,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:32:03,425 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 6 [2024-11-10 19:32:03,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:32:03,427 INFO L225 Difference]: With dead ends: 258 [2024-11-10 19:32:03,427 INFO L226 Difference]: Without dead ends: 181 [2024-11-10 19:32:03,428 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:32:03,429 INFO L432 NwaCegarLoop]: 173 mSDtfsCounter, 6 mSDsluCounter, 340 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 513 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:32:03,429 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 513 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:32:03,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2024-11-10 19:32:03,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 181. [2024-11-10 19:32:03,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 105 states have (on average 1.7047619047619047) internal successors, (179), 177 states have internal predecessors, (179), 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) [2024-11-10 19:32:03,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 183 transitions. [2024-11-10 19:32:03,447 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 183 transitions. Word has length 6 [2024-11-10 19:32:03,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:32:03,447 INFO L471 AbstractCegarLoop]: Abstraction has 181 states and 183 transitions. [2024-11-10 19:32:03,447 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2024-11-10 19:32:03,447 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 183 transitions. [2024-11-10 19:32:03,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-10 19:32:03,448 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:32:03,448 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:32:03,448 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 19:32:03,449 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr83ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-10 19:32:03,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:32:03,449 INFO L85 PathProgramCache]: Analyzing trace with hash -1525223751, now seen corresponding path program 1 times [2024-11-10 19:32:03,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:32:03,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850534237] [2024-11-10 19:32:03,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:32:03,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:32:03,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:32:03,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:32:03,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:32:03,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850534237] [2024-11-10 19:32:03,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850534237] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:32:03,509 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:32:03,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:32:03,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388494960] [2024-11-10 19:32:03,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:32:03,510 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:32:03,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:32:03,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:32:03,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:32:03,511 INFO L87 Difference]: Start difference. First operand 181 states and 183 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) [2024-11-10 19:32:03,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:32:03,883 INFO L93 Difference]: Finished difference Result 319 states and 331 transitions. [2024-11-10 19:32:03,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:32:03,883 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 10 [2024-11-10 19:32:03,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:32:03,885 INFO L225 Difference]: With dead ends: 319 [2024-11-10 19:32:03,885 INFO L226 Difference]: Without dead ends: 263 [2024-11-10 19:32:03,885 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 [2024-11-10 19:32:03,889 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 84 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:32:03,890 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 136 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:32:03,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2024-11-10 19:32:03,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 256. [2024-11-10 19:32:03,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 179 states have (on average 1.4916201117318435) internal successors, (267), 251 states have internal predecessors, (267), 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) [2024-11-10 19:32:03,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 273 transitions. [2024-11-10 19:32:03,920 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 273 transitions. Word has length 10 [2024-11-10 19:32:03,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:32:03,920 INFO L471 AbstractCegarLoop]: Abstraction has 256 states and 273 transitions. [2024-11-10 19:32:03,921 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) [2024-11-10 19:32:03,921 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 273 transitions. [2024-11-10 19:32:03,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-10 19:32:03,921 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:32:03,922 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:32:03,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 19:32:03,922 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-10 19:32:03,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:32:03,923 INFO L85 PathProgramCache]: Analyzing trace with hash 924409053, now seen corresponding path program 1 times [2024-11-10 19:32:03,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:32:03,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510361841] [2024-11-10 19:32:03,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:32:03,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:32:03,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:32:04,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:32:04,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:32:04,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510361841] [2024-11-10 19:32:04,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510361841] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:32:04,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:32:04,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:32:04,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774828275] [2024-11-10 19:32:04,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:32:04,067 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:32:04,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:32:04,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:32:04,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:32:04,069 INFO L87 Difference]: Start difference. First operand 256 states and 273 transitions. Second operand has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 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) [2024-11-10 19:32:04,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:32:04,145 INFO L93 Difference]: Finished difference Result 277 states and 289 transitions. [2024-11-10 19:32:04,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:32:04,146 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 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 38 [2024-11-10 19:32:04,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:32:04,147 INFO L225 Difference]: With dead ends: 277 [2024-11-10 19:32:04,147 INFO L226 Difference]: Without dead ends: 272 [2024-11-10 19:32:04,147 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 [2024-11-10 19:32:04,149 INFO L432 NwaCegarLoop]: 155 mSDtfsCounter, 61 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:32:04,149 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 302 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:32:04,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2024-11-10 19:32:04,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 264. [2024-11-10 19:32:04,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 187 states have (on average 1.4705882352941178) internal successors, (275), 259 states have internal predecessors, (275), 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) [2024-11-10 19:32:04,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 281 transitions. [2024-11-10 19:32:04,160 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 281 transitions. Word has length 38 [2024-11-10 19:32:04,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:32:04,161 INFO L471 AbstractCegarLoop]: Abstraction has 264 states and 281 transitions. [2024-11-10 19:32:04,161 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 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) [2024-11-10 19:32:04,161 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 281 transitions. [2024-11-10 19:32:04,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-10 19:32:04,162 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:32:04,162 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:32:04,162 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 19:32:04,162 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-10 19:32:04,163 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:32:04,163 INFO L85 PathProgramCache]: Analyzing trace with hash -701127493, now seen corresponding path program 1 times [2024-11-10 19:32:04,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:32:04,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778159489] [2024-11-10 19:32:04,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:32:04,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:32:04,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:32:04,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:32:04,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:32:04,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778159489] [2024-11-10 19:32:04,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778159489] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:32:04,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:32:04,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:32:04,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378560797] [2024-11-10 19:32:04,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:32:04,295 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:32:04,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:32:04,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:32:04,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:32:04,296 INFO L87 Difference]: Start difference. First operand 264 states and 281 transitions. Second operand has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 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) [2024-11-10 19:32:04,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:32:04,465 INFO L93 Difference]: Finished difference Result 276 states and 284 transitions. [2024-11-10 19:32:04,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:32:04,466 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 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 40 [2024-11-10 19:32:04,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:32:04,467 INFO L225 Difference]: With dead ends: 276 [2024-11-10 19:32:04,467 INFO L226 Difference]: Without dead ends: 271 [2024-11-10 19:32:04,468 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:32:04,469 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 143 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:32:04,469 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 238 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:32:04,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2024-11-10 19:32:04,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 264. [2024-11-10 19:32:04,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 187 states have (on average 1.4438502673796791) internal successors, (270), 259 states have internal predecessors, (270), 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) [2024-11-10 19:32:04,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 276 transitions. [2024-11-10 19:32:04,481 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 276 transitions. Word has length 40 [2024-11-10 19:32:04,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:32:04,481 INFO L471 AbstractCegarLoop]: Abstraction has 264 states and 276 transitions. [2024-11-10 19:32:04,482 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 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) [2024-11-10 19:32:04,482 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 276 transitions. [2024-11-10 19:32:04,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-10 19:32:04,483 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:32:04,483 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:32:04,483 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 19:32:04,483 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-10 19:32:04,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:32:04,484 INFO L85 PathProgramCache]: Analyzing trace with hash -260115718, now seen corresponding path program 1 times [2024-11-10 19:32:04,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:32:04,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547473212] [2024-11-10 19:32:04,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:32:04,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:32:04,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:32:04,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:32:04,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:32:04,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547473212] [2024-11-10 19:32:04,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547473212] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:32:04,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:32:04,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:32:04,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219766014] [2024-11-10 19:32:04,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:32:04,584 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:32:04,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:32:04,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:32:04,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:32:04,585 INFO L87 Difference]: Start difference. First operand 264 states and 276 transitions. Second operand has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 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) [2024-11-10 19:32:04,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:32:04,741 INFO L93 Difference]: Finished difference Result 275 states and 279 transitions. [2024-11-10 19:32:04,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:32:04,742 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 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 41 [2024-11-10 19:32:04,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:32:04,745 INFO L225 Difference]: With dead ends: 275 [2024-11-10 19:32:04,745 INFO L226 Difference]: Without dead ends: 237 [2024-11-10 19:32:04,746 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:32:04,747 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 134 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:32:04,747 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 251 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:32:04,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2024-11-10 19:32:04,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 230. [2024-11-10 19:32:04,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 153 states have (on average 1.5163398692810457) internal successors, (232), 225 states have internal predecessors, (232), 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) [2024-11-10 19:32:04,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 238 transitions. [2024-11-10 19:32:04,763 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 238 transitions. Word has length 41 [2024-11-10 19:32:04,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:32:04,764 INFO L471 AbstractCegarLoop]: Abstraction has 230 states and 238 transitions. [2024-11-10 19:32:04,764 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 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) [2024-11-10 19:32:04,764 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 238 transitions. [2024-11-10 19:32:04,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-10 19:32:04,765 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:32:04,765 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:32:04,766 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 19:32:04,767 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-10 19:32:04,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:32:04,767 INFO L85 PathProgramCache]: Analyzing trace with hash -956029096, now seen corresponding path program 1 times [2024-11-10 19:32:04,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:32:04,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126997213] [2024-11-10 19:32:04,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:32:04,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:32:04,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:32:04,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 19:32:04,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:32:04,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:32:04,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:32:04,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126997213] [2024-11-10 19:32:04,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1126997213] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:32:04,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:32:04,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:32:04,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78336990] [2024-11-10 19:32:04,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:32:04,857 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:32:04,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:32:04,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:32:04,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:32:04,860 INFO L87 Difference]: Start difference. First operand 230 states and 238 transitions. Second operand has 3 states, 2 states have (on average 24.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-10 19:32:04,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:32:04,879 INFO L93 Difference]: Finished difference Result 232 states and 238 transitions. [2024-11-10 19:32:04,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:32:04,880 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 24.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 50 [2024-11-10 19:32:04,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:32:04,881 INFO L225 Difference]: With dead ends: 232 [2024-11-10 19:32:04,881 INFO L226 Difference]: Without dead ends: 230 [2024-11-10 19:32:04,881 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:32:04,885 INFO L432 NwaCegarLoop]: 174 mSDtfsCounter, 2 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:32:04,886 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 343 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:32:04,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2024-11-10 19:32:04,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 230. [2024-11-10 19:32:04,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 153 states have (on average 1.5032679738562091) internal successors, (230), 225 states have internal predecessors, (230), 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) [2024-11-10 19:32:04,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 236 transitions. [2024-11-10 19:32:04,896 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 236 transitions. Word has length 50 [2024-11-10 19:32:04,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:32:04,897 INFO L471 AbstractCegarLoop]: Abstraction has 230 states and 236 transitions. [2024-11-10 19:32:04,897 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 24.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-10 19:32:04,897 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 236 transitions. [2024-11-10 19:32:04,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-10 19:32:04,902 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:32:04,902 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:32:04,902 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 19:32:04,902 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-10 19:32:04,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:32:04,903 INFO L85 PathProgramCache]: Analyzing trace with hash -622774867, now seen corresponding path program 1 times [2024-11-10 19:32:04,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:32:04,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99310349] [2024-11-10 19:32:04,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:32:04,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:32:04,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:32:04,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1078742101] [2024-11-10 19:32:04,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:32:04,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:32:04,932 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:32:04,934 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:32:04,935 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-10 19:32:04,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:32:04,998 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:32:05,004 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:32:05,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:32:05,138 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:32:05,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:32:05,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99310349] [2024-11-10 19:32:05,140 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:32:05,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1078742101] [2024-11-10 19:32:05,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1078742101] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:32:05,141 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:32:05,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:32:05,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414656001] [2024-11-10 19:32:05,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:32:05,142 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:32:05,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:32:05,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:32:05,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:32:05,143 INFO L87 Difference]: Start difference. First operand 230 states and 236 transitions. Second operand has 4 states, 3 states have (on average 18.333333333333332) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-10 19:32:05,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:32:05,541 INFO L93 Difference]: Finished difference Result 378 states and 395 transitions. [2024-11-10 19:32:05,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:32:05,541 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 18.333333333333332) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 57 [2024-11-10 19:32:05,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:32:05,543 INFO L225 Difference]: With dead ends: 378 [2024-11-10 19:32:05,543 INFO L226 Difference]: Without dead ends: 324 [2024-11-10 19:32:05,544 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:32:05,544 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 100 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 420 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 420 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:32:05,545 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 164 Invalid, 471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 420 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:32:05,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2024-11-10 19:32:05,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 315. [2024-11-10 19:32:05,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 315 states, 236 states have (on average 1.3983050847457628) internal successors, (330), 308 states have internal predecessors, (330), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-10 19:32:05,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 340 transitions. [2024-11-10 19:32:05,556 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 340 transitions. Word has length 57 [2024-11-10 19:32:05,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:32:05,556 INFO L471 AbstractCegarLoop]: Abstraction has 315 states and 340 transitions. [2024-11-10 19:32:05,556 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 18.333333333333332) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-10 19:32:05,556 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 340 transitions. [2024-11-10 19:32:05,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-10 19:32:05,557 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:32:05,557 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:32:05,576 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-10 19:32:05,758 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:32:05,758 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-10 19:32:05,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:32:05,759 INFO L85 PathProgramCache]: Analyzing trace with hash 1160818471, now seen corresponding path program 1 times [2024-11-10 19:32:05,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:32:05,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555832614] [2024-11-10 19:32:05,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:32:05,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:32:05,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:32:05,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 19:32:05,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:32:05,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:32:05,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:32:05,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555832614] [2024-11-10 19:32:05,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555832614] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:32:05,882 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:32:05,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:32:05,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756131343] [2024-11-10 19:32:05,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:32:05,883 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:32:05,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:32:05,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:32:05,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:32:05,887 INFO L87 Difference]: Start difference. First operand 315 states and 340 transitions. Second operand has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-10 19:32:05,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:32:05,986 INFO L93 Difference]: Finished difference Result 316 states and 340 transitions. [2024-11-10 19:32:05,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:32:05,987 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 63 [2024-11-10 19:32:05,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:32:05,988 INFO L225 Difference]: With dead ends: 316 [2024-11-10 19:32:05,989 INFO L226 Difference]: Without dead ends: 315 [2024-11-10 19:32:05,989 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:32:05,990 INFO L432 NwaCegarLoop]: 138 mSDtfsCounter, 47 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:32:05,991 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 285 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:32:05,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2024-11-10 19:32:06,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 315. [2024-11-10 19:32:06,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 315 states, 236 states have (on average 1.3940677966101696) internal successors, (329), 308 states have internal predecessors, (329), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-10 19:32:06,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 339 transitions. [2024-11-10 19:32:06,005 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 339 transitions. Word has length 63 [2024-11-10 19:32:06,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:32:06,005 INFO L471 AbstractCegarLoop]: Abstraction has 315 states and 339 transitions. [2024-11-10 19:32:06,005 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-10 19:32:06,005 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 339 transitions. [2024-11-10 19:32:06,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-10 19:32:06,008 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:32:06,008 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:32:06,008 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 19:32:06,008 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr85ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-10 19:32:06,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:32:06,009 INFO L85 PathProgramCache]: Analyzing trace with hash -1133543830, now seen corresponding path program 1 times [2024-11-10 19:32:06,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:32:06,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500219026] [2024-11-10 19:32:06,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:32:06,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:32:06,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:32:06,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 19:32:06,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:32:06,174 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:32:06,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:32:06,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500219026] [2024-11-10 19:32:06,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500219026] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:32:06,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1329530392] [2024-11-10 19:32:06,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:32:06,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:32:06,175 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:32:06,176 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:32:06,178 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-10 19:32:06,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:32:06,225 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:32:06,226 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:32:06,353 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:32:06,354 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:32:06,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1329530392] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:32:06,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:32:06,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-11-10 19:32:06,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535227525] [2024-11-10 19:32:06,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:32:06,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:32:06,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:32:06,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:32:06,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:32:06,355 INFO L87 Difference]: Start difference. First operand 315 states and 339 transitions. Second operand has 5 states, 4 states have (on average 16.0) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-10 19:32:06,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:32:06,385 INFO L93 Difference]: Finished difference Result 315 states and 339 transitions. [2024-11-10 19:32:06,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:32:06,386 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.0) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 66 [2024-11-10 19:32:06,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:32:06,387 INFO L225 Difference]: With dead ends: 315 [2024-11-10 19:32:06,387 INFO L226 Difference]: Without dead ends: 314 [2024-11-10 19:32:06,388 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-10 19:32:06,388 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 123 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:32:06,389 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 339 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:32:06,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2024-11-10 19:32:06,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 314. [2024-11-10 19:32:06,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 236 states have (on average 1.3855932203389831) internal successors, (327), 307 states have internal predecessors, (327), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-10 19:32:06,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 337 transitions. [2024-11-10 19:32:06,400 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 337 transitions. Word has length 66 [2024-11-10 19:32:06,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:32:06,400 INFO L471 AbstractCegarLoop]: Abstraction has 314 states and 337 transitions. [2024-11-10 19:32:06,401 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.0) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-10 19:32:06,401 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 337 transitions. [2024-11-10 19:32:06,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-10 19:32:06,401 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:32:06,401 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:32:06,418 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-10 19:32:06,602 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,SelfDestructingSolverStorable9 [2024-11-10 19:32:06,602 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr84ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-10 19:32:06,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:32:06,603 INFO L85 PathProgramCache]: Analyzing trace with hash -780120210, now seen corresponding path program 1 times [2024-11-10 19:32:06,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:32:06,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109320132] [2024-11-10 19:32:06,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:32:06,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:32:06,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:32:06,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 19:32:06,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:32:06,695 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:32:06,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:32:06,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109320132] [2024-11-10 19:32:06,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1109320132] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:32:06,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [872724593] [2024-11-10 19:32:06,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:32:06,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:32:06,696 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:32:06,697 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:32:06,698 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-10 19:32:06,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:32:06,747 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:32:06,748 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:32:06,862 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:32:06,862 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:32:06,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [872724593] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:32:06,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:32:06,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-11-10 19:32:06,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257575819] [2024-11-10 19:32:06,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:32:06,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:32:06,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:32:06,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:32:06,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:32:06,865 INFO L87 Difference]: Start difference. First operand 314 states and 337 transitions. Second operand has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-10 19:32:06,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:32:06,915 INFO L93 Difference]: Finished difference Result 426 states and 456 transitions. [2024-11-10 19:32:06,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:32:06,918 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 67 [2024-11-10 19:32:06,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:32:06,919 INFO L225 Difference]: With dead ends: 426 [2024-11-10 19:32:06,920 INFO L226 Difference]: Without dead ends: 425 [2024-11-10 19:32:06,920 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:32:06,921 INFO L432 NwaCegarLoop]: 241 mSDtfsCounter, 121 mSDsluCounter, 549 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 790 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:32:06,921 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 790 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:32:06,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2024-11-10 19:32:06,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 387. [2024-11-10 19:32:06,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 387 states, 307 states have (on average 1.4039087947882736) internal successors, (431), 379 states have internal predecessors, (431), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 5 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-10 19:32:06,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 445 transitions. [2024-11-10 19:32:06,932 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 445 transitions. Word has length 67 [2024-11-10 19:32:06,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:32:06,933 INFO L471 AbstractCegarLoop]: Abstraction has 387 states and 445 transitions. [2024-11-10 19:32:06,933 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-10 19:32:06,933 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 445 transitions. [2024-11-10 19:32:06,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-10 19:32:06,934 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:32:06,934 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:32:06,952 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-10 19:32:07,134 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:32:07,135 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-10 19:32:07,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:32:07,135 INFO L85 PathProgramCache]: Analyzing trace with hash -1092856951, now seen corresponding path program 1 times [2024-11-10 19:32:07,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:32:07,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737757268] [2024-11-10 19:32:07,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:32:07,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:32:07,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:32:07,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 19:32:07,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:32:07,253 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:32:07,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:32:07,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737757268] [2024-11-10 19:32:07,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737757268] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:32:07,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [358382170] [2024-11-10 19:32:07,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:32:07,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:32:07,254 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:32:07,256 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:32:07,257 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-10 19:32:07,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:32:07,312 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:32:07,314 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:32:07,426 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:32:07,427 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:32:07,544 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:32:07,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [358382170] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:32:07,545 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:32:07,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 6] total 13 [2024-11-10 19:32:07,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663754617] [2024-11-10 19:32:07,545 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:32:07,545 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-10 19:32:07,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:32:07,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-10 19:32:07,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2024-11-10 19:32:07,546 INFO L87 Difference]: Start difference. First operand 387 states and 445 transitions. Second operand has 13 states, 13 states have (on average 13.23076923076923) internal successors, (172), 13 states have internal predecessors, (172), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:32:07,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:32:07,679 INFO L93 Difference]: Finished difference Result 679 states and 722 transitions. [2024-11-10 19:32:07,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-10 19:32:07,680 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 13.23076923076923) internal successors, (172), 13 states have internal predecessors, (172), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 98 [2024-11-10 19:32:07,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:32:07,683 INFO L225 Difference]: With dead ends: 679 [2024-11-10 19:32:07,683 INFO L226 Difference]: Without dead ends: 567 [2024-11-10 19:32:07,684 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2024-11-10 19:32:07,684 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 255 mSDsluCounter, 1089 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 1267 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:32:07,684 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [255 Valid, 1267 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:32:07,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 567 states. [2024-11-10 19:32:07,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 567 to 470. [2024-11-10 19:32:07,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 470 states, 386 states have (on average 1.4974093264248705) internal successors, (578), 458 states have internal predecessors, (578), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-10 19:32:07,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 594 transitions. [2024-11-10 19:32:07,698 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 594 transitions. Word has length 98 [2024-11-10 19:32:07,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:32:07,699 INFO L471 AbstractCegarLoop]: Abstraction has 470 states and 594 transitions. [2024-11-10 19:32:07,699 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 13.23076923076923) internal successors, (172), 13 states have internal predecessors, (172), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:32:07,699 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 594 transitions. [2024-11-10 19:32:07,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-10 19:32:07,700 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:32:07,700 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:32:07,716 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-10 19:32:07,900 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:32:07,901 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-10 19:32:07,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:32:07,901 INFO L85 PathProgramCache]: Analyzing trace with hash 673412106, now seen corresponding path program 1 times [2024-11-10 19:32:07,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:32:07,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638886730] [2024-11-10 19:32:07,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:32:07,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:32:07,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:32:07,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1008158882] [2024-11-10 19:32:07,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:32:07,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:32:07,923 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:32:07,925 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:32:07,927 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-10 19:32:07,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:32:07,976 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 19:32:07,978 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:32:08,112 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-10 19:32:08,112 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:32:08,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:32:08,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638886730] [2024-11-10 19:32:08,113 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:32:08,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1008158882] [2024-11-10 19:32:08,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1008158882] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:32:08,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:32:08,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:32:08,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964920519] [2024-11-10 19:32:08,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:32:08,114 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:32:08,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:32:08,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:32:08,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:32:08,115 INFO L87 Difference]: Start difference. First operand 470 states and 594 transitions. Second operand has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-10 19:32:08,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:32:08,181 INFO L93 Difference]: Finished difference Result 470 states and 594 transitions. [2024-11-10 19:32:08,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:32:08,184 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 98 [2024-11-10 19:32:08,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:32:08,187 INFO L225 Difference]: With dead ends: 470 [2024-11-10 19:32:08,187 INFO L226 Difference]: Without dead ends: 467 [2024-11-10 19:32:08,187 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 95 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:32:08,188 INFO L432 NwaCegarLoop]: 147 mSDtfsCounter, 96 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:32:08,189 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 154 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:32:08,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2024-11-10 19:32:08,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 467. [2024-11-10 19:32:08,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 467 states, 386 states have (on average 1.471502590673575) internal successors, (568), 455 states have internal predecessors, (568), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-10 19:32:08,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 584 transitions. [2024-11-10 19:32:08,205 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 584 transitions. Word has length 98 [2024-11-10 19:32:08,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:32:08,205 INFO L471 AbstractCegarLoop]: Abstraction has 467 states and 584 transitions. [2024-11-10 19:32:08,205 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-10 19:32:08,206 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 584 transitions. [2024-11-10 19:32:08,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-10 19:32:08,206 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:32:08,206 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:32:08,222 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-10 19:32:08,410 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-10 19:32:08,411 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-10 19:32:08,411 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:32:08,411 INFO L85 PathProgramCache]: Analyzing trace with hash -599061105, now seen corresponding path program 1 times [2024-11-10 19:32:08,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:32:08,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775392096] [2024-11-10 19:32:08,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:32:08,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:32:08,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:32:08,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [766469065] [2024-11-10 19:32:08,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:32:08,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:32:08,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:32:08,432 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:32:08,434 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-10 19:32:08,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:32:08,485 INFO L255 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-10 19:32:08,486 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:32:08,732 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:32:08,732 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:32:08,923 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:32:08,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:32:08,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775392096] [2024-11-10 19:32:08,923 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:32:08,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [766469065] [2024-11-10 19:32:08,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [766469065] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:32:08,923 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 19:32:08,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-10 19:32:08,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307025085] [2024-11-10 19:32:08,924 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 19:32:08,924 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 19:32:08,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:32:08,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 19:32:08,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:32:08,925 INFO L87 Difference]: Start difference. First operand 467 states and 584 transitions. Second operand has 8 states, 7 states have (on average 26.857142857142858) internal successors, (188), 8 states have internal predecessors, (188), 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) [2024-11-10 19:32:09,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:32:09,673 INFO L93 Difference]: Finished difference Result 524 states and 584 transitions. [2024-11-10 19:32:09,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 19:32:09,674 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 26.857142857142858) internal successors, (188), 8 states have internal predecessors, (188), 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) Word has length 99 [2024-11-10 19:32:09,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:32:09,677 INFO L225 Difference]: With dead ends: 524 [2024-11-10 19:32:09,677 INFO L226 Difference]: Without dead ends: 517 [2024-11-10 19:32:09,677 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:32:09,678 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 296 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 741 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 298 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 757 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 741 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-10 19:32:09,678 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [298 Valid, 394 Invalid, 757 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 741 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-10 19:32:09,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 517 states. [2024-11-10 19:32:09,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 517 to 467. [2024-11-10 19:32:09,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 467 states, 386 states have (on average 1.4455958549222798) internal successors, (558), 455 states have internal predecessors, (558), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-10 19:32:09,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 574 transitions. [2024-11-10 19:32:09,692 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 574 transitions. Word has length 99 [2024-11-10 19:32:09,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:32:09,692 INFO L471 AbstractCegarLoop]: Abstraction has 467 states and 574 transitions. [2024-11-10 19:32:09,692 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 26.857142857142858) internal successors, (188), 8 states have internal predecessors, (188), 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) [2024-11-10 19:32:09,692 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 574 transitions. [2024-11-10 19:32:09,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-10 19:32:09,693 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:32:09,693 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:32:09,710 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-10 19:32:09,893 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:32:09,894 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-10 19:32:09,894 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:32:09,894 INFO L85 PathProgramCache]: Analyzing trace with hash -1391024984, now seen corresponding path program 1 times [2024-11-10 19:32:09,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:32:09,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106609800] [2024-11-10 19:32:09,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:32:09,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:32:09,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:32:09,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [356046191] [2024-11-10 19:32:09,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:32:09,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:32:09,940 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:32:09,943 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:32:09,945 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-10 19:32:09,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:32:09,995 INFO L255 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-10 19:32:09,997 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:32:10,258 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:32:10,258 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:32:11,006 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 13 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:32:11,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:32:11,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106609800] [2024-11-10 19:32:11,007 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:32:11,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [356046191] [2024-11-10 19:32:11,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [356046191] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:32:11,007 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 19:32:11,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 8 [2024-11-10 19:32:11,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703350468] [2024-11-10 19:32:11,007 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 19:32:11,008 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 19:32:11,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:32:11,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 19:32:11,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:32:11,008 INFO L87 Difference]: Start difference. First operand 467 states and 574 transitions. Second operand has 9 states, 8 states have (on average 23.75) internal successors, (190), 9 states have internal predecessors, (190), 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) [2024-11-10 19:32:15,310 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 19:32:19,664 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 19:32:23,677 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 19:32:26,933 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.64s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 19:32:31,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 19:32:35,171 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 19:32:39,311 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 19:32:43,396 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 19:32:46,096 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.68s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 19:32:58,289 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 19:33:02,364 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 19:33:05,202 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.71s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 19:33:08,055 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.61s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 19:33:12,099 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 19:33:16,179 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 19:33:20,479 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 19:33:24,638 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 19:33:28,685 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 19:33:33,158 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.47s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-10 19:33:33,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:33:33,362 INFO L93 Difference]: Finished difference Result 479 states and 574 transitions. [2024-11-10 19:33:33,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 19:33:33,363 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 23.75) internal successors, (190), 9 states have internal predecessors, (190), 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) Word has length 100 [2024-11-10 19:33:33,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:33:33,365 INFO L225 Difference]: With dead ends: 479 [2024-11-10 19:33:33,365 INFO L226 Difference]: Without dead ends: 471 [2024-11-10 19:33:33,365 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 8.2s TimeCoverageRelationStatistics Valid=58, Invalid=72, Unknown=2, NotChecked=0, Total=132 [2024-11-10 19:33:33,365 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 227 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 811 mSolverCounterSat, 29 mSolverCounterUnsat, 15 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 74.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 231 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 855 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 811 IncrementalHoareTripleChecker+Invalid, 15 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 74.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:33:33,366 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [231 Valid, 135 Invalid, 855 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 811 Invalid, 15 Unknown, 0 Unchecked, 74.2s Time] [2024-11-10 19:33:33,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2024-11-10 19:33:33,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 465. [2024-11-10 19:33:33,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 465 states, 386 states have (on average 1.4119170984455958) internal successors, (545), 453 states have internal predecessors, (545), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-10 19:33:33,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 561 transitions. [2024-11-10 19:33:33,381 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 561 transitions. Word has length 100 [2024-11-10 19:33:33,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:33:33,381 INFO L471 AbstractCegarLoop]: Abstraction has 465 states and 561 transitions. [2024-11-10 19:33:33,381 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 23.75) internal successors, (190), 9 states have internal predecessors, (190), 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) [2024-11-10 19:33:33,381 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 561 transitions. [2024-11-10 19:33:33,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-10 19:33:33,384 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:33:33,384 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:33:33,401 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-10 19:33:33,588 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 [2024-11-10 19:33:33,589 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-10 19:33:33,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:33:33,590 INFO L85 PathProgramCache]: Analyzing trace with hash 732685061, now seen corresponding path program 1 times [2024-11-10 19:33:33,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:33:33,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652656495] [2024-11-10 19:33:33,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:33:33,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:33:33,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:33:33,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 19:33:33,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:33:33,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-10 19:33:33,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:33:33,719 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:33:33,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:33:33,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652656495] [2024-11-10 19:33:33,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652656495] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:33:33,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1466112297] [2024-11-10 19:33:33,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:33:33,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:33:33,720 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:33:33,722 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:33:33,723 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-10 19:33:33,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:33:33,780 INFO L255 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 19:33:33,783 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:33:33,915 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:33:33,915 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:33:33,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1466112297] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:33:33,915 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:33:33,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-10 19:33:33,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793575351] [2024-11-10 19:33:33,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:33:33,916 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:33:33,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:33:33,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:33:33,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:33:33,917 INFO L87 Difference]: Start difference. First operand 465 states and 561 transitions. Second operand has 4 states, 3 states have (on average 34.333333333333336) internal successors, (103), 4 states have internal predecessors, (103), 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) [2024-11-10 19:33:33,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:33:33,951 INFO L93 Difference]: Finished difference Result 498 states and 567 transitions. [2024-11-10 19:33:33,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:33:33,952 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 34.333333333333336) internal successors, (103), 4 states have internal predecessors, (103), 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) Word has length 110 [2024-11-10 19:33:33,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:33:33,954 INFO L225 Difference]: With dead ends: 498 [2024-11-10 19:33:33,954 INFO L226 Difference]: Without dead ends: 497 [2024-11-10 19:33:33,954 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:33:33,954 INFO L432 NwaCegarLoop]: 266 mSDtfsCounter, 104 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 457 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:33:33,955 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 457 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:33:33,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2024-11-10 19:33:33,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 464. [2024-11-10 19:33:33,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 464 states, 386 states have (on average 1.4041450777202074) internal successors, (542), 452 states have internal predecessors, (542), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-10 19:33:33,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 558 transitions. [2024-11-10 19:33:33,975 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 558 transitions. Word has length 110 [2024-11-10 19:33:33,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:33:33,975 INFO L471 AbstractCegarLoop]: Abstraction has 464 states and 558 transitions. [2024-11-10 19:33:33,976 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 34.333333333333336) internal successors, (103), 4 states have internal predecessors, (103), 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) [2024-11-10 19:33:33,976 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 558 transitions. [2024-11-10 19:33:33,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-10 19:33:33,978 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:33:33,978 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:33:33,996 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-10 19:33:34,178 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 [2024-11-10 19:33:34,179 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-10 19:33:34,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:33:34,180 INFO L85 PathProgramCache]: Analyzing trace with hash 1238400485, now seen corresponding path program 1 times [2024-11-10 19:33:34,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:33:34,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240197440] [2024-11-10 19:33:34,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:33:34,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:33:34,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:33:34,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 19:33:34,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:33:34,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-10 19:33:34,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:33:34,273 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:33:34,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:33:34,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240197440] [2024-11-10 19:33:34,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [240197440] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:33:34,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1583541577] [2024-11-10 19:33:34,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:33:34,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:33:34,274 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:33:34,276 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:33:34,278 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-10 19:33:34,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:33:34,328 INFO L255 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 19:33:34,330 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:33:34,444 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:33:34,444 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:33:34,566 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:33:34,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1583541577] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:33:34,566 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:33:34,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-10 19:33:34,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553056034] [2024-11-10 19:33:34,567 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:33:34,567 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 19:33:34,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:33:34,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 19:33:34,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-10 19:33:34,568 INFO L87 Difference]: Start difference. First operand 464 states and 558 transitions. Second operand has 7 states, 6 states have (on average 41.0) internal successors, (246), 7 states have internal predecessors, (246), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-10 19:33:34,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:33:34,620 INFO L93 Difference]: Finished difference Result 563 states and 626 transitions. [2024-11-10 19:33:34,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 19:33:34,621 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 41.0) internal successors, (246), 7 states have internal predecessors, (246), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 111 [2024-11-10 19:33:34,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:33:34,623 INFO L225 Difference]: With dead ends: 563 [2024-11-10 19:33:34,623 INFO L226 Difference]: Without dead ends: 562 [2024-11-10 19:33:34,623 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-10 19:33:34,623 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 74 mSDsluCounter, 645 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 810 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:33:34,624 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 810 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:33:34,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 562 states. [2024-11-10 19:33:34,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 562 to 502. [2024-11-10 19:33:34,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 502 states, 423 states have (on average 1.4302600472813238) internal successors, (605), 489 states have internal predecessors, (605), 9 states have call successors, (9), 5 states have call predecessors, (9), 5 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-10 19:33:34,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 502 states and 623 transitions. [2024-11-10 19:33:34,638 INFO L78 Accepts]: Start accepts. Automaton has 502 states and 623 transitions. Word has length 111 [2024-11-10 19:33:34,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:33:34,638 INFO L471 AbstractCegarLoop]: Abstraction has 502 states and 623 transitions. [2024-11-10 19:33:34,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 41.0) internal successors, (246), 7 states have internal predecessors, (246), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-10 19:33:34,639 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 623 transitions. [2024-11-10 19:33:34,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-10 19:33:34,640 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:33:34,640 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-10 19:33:34,656 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-10 19:33:34,844 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 [2024-11-10 19:33:34,845 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr83ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-10 19:33:34,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:33:34,846 INFO L85 PathProgramCache]: Analyzing trace with hash -1401438573, now seen corresponding path program 1 times [2024-11-10 19:33:34,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:33:34,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158942023] [2024-11-10 19:33:34,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:33:34,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:33:34,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:33:34,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 19:33:34,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:33:34,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-10 19:33:34,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:33:34,949 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-10 19:33:34,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:33:34,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158942023] [2024-11-10 19:33:34,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158942023] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:33:34,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:33:34,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:33:34,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796512764] [2024-11-10 19:33:34,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:33:34,951 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:33:34,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:33:34,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:33:34,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:33:34,951 INFO L87 Difference]: Start difference. First operand 502 states and 623 transitions. Second operand has 4 states, 3 states have (on average 36.0) internal successors, (108), 4 states have internal predecessors, (108), 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) [2024-11-10 19:33:35,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:33:35,250 INFO L93 Difference]: Finished difference Result 502 states and 623 transitions. [2024-11-10 19:33:35,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:33:35,251 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 36.0) internal successors, (108), 4 states have internal predecessors, (108), 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) Word has length 130 [2024-11-10 19:33:35,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:33:35,253 INFO L225 Difference]: With dead ends: 502 [2024-11-10 19:33:35,253 INFO L226 Difference]: Without dead ends: 495 [2024-11-10 19:33:35,253 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:33:35,254 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 82 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:33:35,255 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 43 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:33:35,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2024-11-10 19:33:35,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 495. [2024-11-10 19:33:35,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 495 states, 423 states have (on average 1.3829787234042554) internal successors, (585), 482 states have internal predecessors, (585), 9 states have call successors, (9), 5 states have call predecessors, (9), 5 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-10 19:33:35,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 495 states and 603 transitions. [2024-11-10 19:33:35,269 INFO L78 Accepts]: Start accepts. Automaton has 495 states and 603 transitions. Word has length 130 [2024-11-10 19:33:35,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:33:35,270 INFO L471 AbstractCegarLoop]: Abstraction has 495 states and 603 transitions. [2024-11-10 19:33:35,270 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 36.0) internal successors, (108), 4 states have internal predecessors, (108), 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) [2024-11-10 19:33:35,270 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 603 transitions. [2024-11-10 19:33:35,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-10 19:33:35,271 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:33:35,271 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-10 19:33:35,271 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-10 19:33:35,272 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr82ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-10 19:33:35,272 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:33:35,272 INFO L85 PathProgramCache]: Analyzing trace with hash -494922658, now seen corresponding path program 1 times [2024-11-10 19:33:35,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:33:35,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614319107] [2024-11-10 19:33:35,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:33:35,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:33:35,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:33:35,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 19:33:35,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:33:35,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-10 19:33:35,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:33:35,346 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-10 19:33:35,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:33:35,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614319107] [2024-11-10 19:33:35,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614319107] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:33:35,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:33:35,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:33:35,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057115749] [2024-11-10 19:33:35,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:33:35,347 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:33:35,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:33:35,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:33:35,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:33:35,347 INFO L87 Difference]: Start difference. First operand 495 states and 603 transitions. Second operand has 4 states, 3 states have (on average 36.0) internal successors, (108), 4 states have internal predecessors, (108), 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) [2024-11-10 19:33:35,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:33:35,570 INFO L93 Difference]: Finished difference Result 495 states and 603 transitions. [2024-11-10 19:33:35,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:33:35,571 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 36.0) internal successors, (108), 4 states have internal predecessors, (108), 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) Word has length 131 [2024-11-10 19:33:35,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:33:35,573 INFO L225 Difference]: With dead ends: 495 [2024-11-10 19:33:35,573 INFO L226 Difference]: Without dead ends: 488 [2024-11-10 19:33:35,573 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:33:35,574 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 117 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:33:35,574 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 36 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:33:35,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2024-11-10 19:33:35,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 488. [2024-11-10 19:33:35,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 488 states, 423 states have (on average 1.3356973995271868) internal successors, (565), 475 states have internal predecessors, (565), 9 states have call successors, (9), 5 states have call predecessors, (9), 5 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-10 19:33:35,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 488 states and 583 transitions. [2024-11-10 19:33:35,587 INFO L78 Accepts]: Start accepts. Automaton has 488 states and 583 transitions. Word has length 131 [2024-11-10 19:33:35,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:33:35,587 INFO L471 AbstractCegarLoop]: Abstraction has 488 states and 583 transitions. [2024-11-10 19:33:35,587 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 36.0) internal successors, (108), 4 states have internal predecessors, (108), 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) [2024-11-10 19:33:35,587 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 583 transitions. [2024-11-10 19:33:35,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-10 19:33:35,588 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:33:35,589 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-10 19:33:35,589 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-10 19:33:35,589 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr80ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-10 19:33:35,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:33:35,589 INFO L85 PathProgramCache]: Analyzing trace with hash 1120700092, now seen corresponding path program 1 times [2024-11-10 19:33:35,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:33:35,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473513041] [2024-11-10 19:33:35,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:33:35,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:33:35,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:33:35,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [53138018] [2024-11-10 19:33:35,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:33:35,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:33:35,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:33:35,614 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:33:35,615 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-10 19:33:35,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:33:35,674 INFO L255 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-10 19:33:35,675 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:33:35,807 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 74 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:33:35,808 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:33:36,030 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 74 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:33:36,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:33:36,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473513041] [2024-11-10 19:33:36,031 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:33:36,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [53138018] [2024-11-10 19:33:36,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [53138018] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:33:36,031 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 19:33:36,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-10 19:33:36,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343469466] [2024-11-10 19:33:36,031 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 19:33:36,032 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 19:33:36,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:33:36,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 19:33:36,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:33:36,033 INFO L87 Difference]: Start difference. First operand 488 states and 583 transitions. Second operand has 8 states, 7 states have (on average 35.142857142857146) internal successors, (246), 8 states have internal predecessors, (246), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-10 19:33:36,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:33:36,728 INFO L93 Difference]: Finished difference Result 524 states and 589 transitions. [2024-11-10 19:33:36,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 19:33:36,728 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 35.142857142857146) internal successors, (246), 8 states have internal predecessors, (246), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 133 [2024-11-10 19:33:36,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:33:36,730 INFO L225 Difference]: With dead ends: 524 [2024-11-10 19:33:36,731 INFO L226 Difference]: Without dead ends: 484 [2024-11-10 19:33:36,731 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 258 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:33:36,732 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 460 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 800 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 463 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 844 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 800 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 19:33:36,732 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [463 Valid, 181 Invalid, 844 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 800 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 19:33:36,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2024-11-10 19:33:36,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 480. [2024-11-10 19:33:36,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 480 states, 419 states have (on average 1.2386634844868736) internal successors, (519), 468 states have internal predecessors, (519), 9 states have call successors, (9), 5 states have call predecessors, (9), 5 states have return successors, (9), 6 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-10 19:33:36,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 480 states and 537 transitions. [2024-11-10 19:33:36,748 INFO L78 Accepts]: Start accepts. Automaton has 480 states and 537 transitions. Word has length 133 [2024-11-10 19:33:36,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:33:36,749 INFO L471 AbstractCegarLoop]: Abstraction has 480 states and 537 transitions. [2024-11-10 19:33:36,749 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 35.142857142857146) internal successors, (246), 8 states have internal predecessors, (246), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-10 19:33:36,749 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 537 transitions. [2024-11-10 19:33:36,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-10 19:33:36,750 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:33:36,750 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:33:36,767 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-10 19:33:36,950 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:33:36,952 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-10 19:33:36,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:33:36,953 INFO L85 PathProgramCache]: Analyzing trace with hash -14571935, now seen corresponding path program 1 times [2024-11-10 19:33:36,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:33:36,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646232089] [2024-11-10 19:33:36,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:33:36,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:33:36,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:33:36,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2018728814] [2024-11-10 19:33:36,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:33:36,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:33:36,975 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:33:36,977 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:33:36,978 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-10 19:33:37,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:33:37,040 INFO L255 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:33:37,042 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:33:37,416 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:33:37,416 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:33:37,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:33:37,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646232089] [2024-11-10 19:33:37,652 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:33:37,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2018728814] [2024-11-10 19:33:37,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2018728814] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:33:37,653 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:33:37,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-10 19:33:37,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991210737] [2024-11-10 19:33:37,653 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:33:37,654 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:33:37,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:33:37,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:33:37,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:33:37,655 INFO L87 Difference]: Start difference. First operand 480 states and 537 transitions. Second operand has 5 states, 4 states have (on average 34.25) internal successors, (137), 5 states have internal predecessors, (137), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:33:38,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:33:38,014 INFO L93 Difference]: Finished difference Result 482 states and 540 transitions. [2024-11-10 19:33:38,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 19:33:38,015 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 34.25) internal successors, (137), 5 states have internal predecessors, (137), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 149 [2024-11-10 19:33:38,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:33:38,016 INFO L225 Difference]: With dead ends: 482 [2024-11-10 19:33:38,016 INFO L226 Difference]: Without dead ends: 468 [2024-11-10 19:33:38,017 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 244 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:33:38,017 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 64 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 439 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:33:38,017 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 78 Invalid, 455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 439 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:33:38,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 468 states. [2024-11-10 19:33:38,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 468 to 466. [2024-11-10 19:33:38,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 466 states, 419 states have (on average 1.1742243436754176) internal successors, (492), 454 states have internal predecessors, (492), 9 states have call successors, (9), 5 states have call predecessors, (9), 5 states have return successors, (9), 6 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-10 19:33:38,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 510 transitions. [2024-11-10 19:33:38,032 INFO L78 Accepts]: Start accepts. Automaton has 466 states and 510 transitions. Word has length 149 [2024-11-10 19:33:38,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:33:38,033 INFO L471 AbstractCegarLoop]: Abstraction has 466 states and 510 transitions. [2024-11-10 19:33:38,033 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 34.25) internal successors, (137), 5 states have internal predecessors, (137), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:33:38,033 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 510 transitions. [2024-11-10 19:33:38,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-10 19:33:38,035 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:33:38,035 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:33:38,051 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-10 19:33:38,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-11-10 19:33:38,236 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-10 19:33:38,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:33:38,236 INFO L85 PathProgramCache]: Analyzing trace with hash -451730007, now seen corresponding path program 1 times [2024-11-10 19:33:38,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:33:38,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650126611] [2024-11-10 19:33:38,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:33:38,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:33:38,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:33:38,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [996943724] [2024-11-10 19:33:38,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:33:38,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:33:38,262 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:33:38,263 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:33:38,264 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-10 19:33:38,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:33:38,325 INFO L255 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-10 19:33:38,327 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:33:38,692 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:33:38,692 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:33:39,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:33:39,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650126611] [2024-11-10 19:33:39,218 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:33:39,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [996943724] [2024-11-10 19:33:39,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [996943724] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:33:39,219 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:33:39,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-10 19:33:39,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037182476] [2024-11-10 19:33:39,219 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:33:39,219 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 19:33:39,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:33:39,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 19:33:39,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:33:39,221 INFO L87 Difference]: Start difference. First operand 466 states and 510 transitions. Second operand has 6 states, 5 states have (on average 27.6) internal successors, (138), 6 states have internal predecessors, (138), 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) [2024-11-10 19:33:39,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:33:39,520 INFO L93 Difference]: Finished difference Result 469 states and 512 transitions. [2024-11-10 19:33:39,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 19:33:39,520 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 27.6) internal successors, (138), 6 states have internal predecessors, (138), 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) Word has length 150 [2024-11-10 19:33:39,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:33:39,522 INFO L225 Difference]: With dead ends: 469 [2024-11-10 19:33:39,522 INFO L226 Difference]: Without dead ends: 431 [2024-11-10 19:33:39,522 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:33:39,523 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 3 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 509 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 509 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 509 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:33:39,523 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 136 Invalid, 509 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 509 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:33:39,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2024-11-10 19:33:39,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 431. [2024-11-10 19:33:39,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 431 states, 385 states have (on average 1.187012987012987) internal successors, (457), 419 states have internal predecessors, (457), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-10 19:33:39,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 473 transitions. [2024-11-10 19:33:39,539 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 473 transitions. Word has length 150 [2024-11-10 19:33:39,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:33:39,539 INFO L471 AbstractCegarLoop]: Abstraction has 431 states and 473 transitions. [2024-11-10 19:33:39,539 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 27.6) internal successors, (138), 6 states have internal predecessors, (138), 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) [2024-11-10 19:33:39,540 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 473 transitions. [2024-11-10 19:33:39,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-10 19:33:39,541 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:33:39,541 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-10 19:33:39,561 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-10 19:33:39,742 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-11-10 19:33:39,743 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-10 19:33:39,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:33:39,743 INFO L85 PathProgramCache]: Analyzing trace with hash -103110688, now seen corresponding path program 1 times [2024-11-10 19:33:39,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:33:39,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312554248] [2024-11-10 19:33:39,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:33:39,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:33:39,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:33:39,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1181372767] [2024-11-10 19:33:39,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:33:39,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:33:39,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:33:39,795 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:33:39,796 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process