./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound100.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/egcd2-ll_valuebound100.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 f5697d76d3e5ae232d0e056ee307ac88ca38e983a94c4765bc5d51f77e79d2f7 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 19:06:58,045 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 19:06:58,126 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-10 19:06:58,131 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 19:06:58,131 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 19:06:58,162 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 19:06:58,165 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 19:06:58,165 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 19:06:58,166 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 19:06:58,167 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 19:06:58,167 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 19:06:58,167 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 19:06:58,168 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 19:06:58,170 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 19:06:58,171 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 19:06:58,171 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 19:06:58,171 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 19:06:58,172 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 19:06:58,172 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 19:06:58,176 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 19:06:58,176 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 19:06:58,177 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 19:06:58,177 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 19:06:58,177 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 19:06:58,177 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 19:06:58,178 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 19:06:58,178 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 19:06:58,178 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 19:06:58,178 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 19:06:58,179 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 19:06:58,179 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 19:06:58,179 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 19:06:58,179 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 19:06:58,180 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 19:06:58,180 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 19:06:58,180 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 19:06:58,180 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 19:06:58,181 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 19:06:58,181 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 19:06:58,181 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 19:06:58,181 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 19:06:58,183 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 19:06:58,183 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 19:06:58,183 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 19:06:58,184 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f5697d76d3e5ae232d0e056ee307ac88ca38e983a94c4765bc5d51f77e79d2f7 [2024-11-10 19:06:58,456 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 19:06:58,480 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 19:06:58,482 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 19:06:58,483 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 19:06:58,483 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 19:06:58,484 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound100.c [2024-11-10 19:07:00,007 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 19:07:00,193 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 19:07:00,194 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound100.c [2024-11-10 19:07:00,203 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87749bbf4/e9b5ed176b3b4cac848123ff3c4af8bc/FLAG84df8101c [2024-11-10 19:07:00,218 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87749bbf4/e9b5ed176b3b4cac848123ff3c4af8bc [2024-11-10 19:07:00,222 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 19:07:00,223 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 19:07:00,225 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 19:07:00,227 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 19:07:00,231 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 19:07:00,232 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:07:00" (1/1) ... [2024-11-10 19:07:00,233 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bcf09c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:07:00, skipping insertion in model container [2024-11-10 19:07:00,233 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:07:00" (1/1) ... [2024-11-10 19:07:00,255 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 19:07:00,471 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 19:07:00,482 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 19:07:00,512 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 19:07:00,532 INFO L204 MainTranslator]: Completed translation [2024-11-10 19:07:00,533 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:07:00 WrapperNode [2024-11-10 19:07:00,533 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 19:07:00,534 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 19:07:00,534 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 19:07:00,534 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 19:07:00,540 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:07:00" (1/1) ... [2024-11-10 19:07:00,547 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:07:00" (1/1) ... [2024-11-10 19:07:00,577 INFO L138 Inliner]: procedures = 14, calls = 20, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 147 [2024-11-10 19:07:00,577 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 19:07:00,578 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 19:07:00,578 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 19:07:00,578 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 19:07:00,590 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:07:00" (1/1) ... [2024-11-10 19:07:00,590 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:07:00" (1/1) ... [2024-11-10 19:07:00,592 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:07:00" (1/1) ... [2024-11-10 19:07:00,616 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 19:07:00,619 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:07:00" (1/1) ... [2024-11-10 19:07:00,620 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:07:00" (1/1) ... [2024-11-10 19:07:00,623 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:07:00" (1/1) ... [2024-11-10 19:07:00,628 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:07:00" (1/1) ... [2024-11-10 19:07:00,630 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:07:00" (1/1) ... [2024-11-10 19:07:00,635 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:07:00" (1/1) ... [2024-11-10 19:07:00,640 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 19:07:00,640 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 19:07:00,640 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 19:07:00,641 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 19:07:00,641 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:07:00" (1/1) ... [2024-11-10 19:07:00,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 19:07:00,659 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:07:00,675 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 19:07:00,679 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 19:07:00,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 19:07:00,726 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 19:07:00,726 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 19:07:00,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 19:07:00,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 19:07:00,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 19:07:00,727 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-10 19:07:00,727 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-10 19:07:00,790 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 19:07:00,794 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 19:07:01,871 INFO L? ?]: Removed 196 outVars from TransFormulas that were not future-live. [2024-11-10 19:07:01,872 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 19:07:01,893 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 19:07:01,894 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 19:07:01,894 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:07:01 BoogieIcfgContainer [2024-11-10 19:07:01,894 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 19:07:01,897 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 19:07:01,897 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 19:07:01,900 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 19:07:01,900 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 07:07:00" (1/3) ... [2024-11-10 19:07:01,901 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ca7ef9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:07:01, skipping insertion in model container [2024-11-10 19:07:01,901 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:07:00" (2/3) ... [2024-11-10 19:07:01,901 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ca7ef9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:07:01, skipping insertion in model container [2024-11-10 19:07:01,902 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:07:01" (3/3) ... [2024-11-10 19:07:01,903 INFO L112 eAbstractionObserver]: Analyzing ICFG egcd2-ll_valuebound100.c [2024-11-10 19:07:01,921 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 19:07:01,922 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 64 error locations. [2024-11-10 19:07:01,983 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 19:07:01,989 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;@cc3e160, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 19:07:01,989 INFO L334 AbstractCegarLoop]: Starting to check reachability of 64 error locations. [2024-11-10 19:07:01,993 INFO L276 IsEmpty]: Start isEmpty. Operand has 171 states, 92 states have (on average 1.7826086956521738) internal successors, (164), 157 states have internal predecessors, (164), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-10 19:07:01,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-10 19:07:01,999 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:07:01,999 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:07:02,000 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr63ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-10 19:07:02,005 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:07:02,005 INFO L85 PathProgramCache]: Analyzing trace with hash -942351587, now seen corresponding path program 1 times [2024-11-10 19:07:02,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:07:02,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683098941] [2024-11-10 19:07:02,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:07:02,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:07:02,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:02,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:07:02,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:02,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:07:02,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:02,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:07:02,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:02,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 19:07:02,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:02,202 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 19:07:02,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:07:02,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683098941] [2024-11-10 19:07:02,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683098941] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:07:02,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:07:02,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:07:02,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959334917] [2024-11-10 19:07:02,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:07:02,214 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 19:07:02,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:07:02,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 19:07:02,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 19:07:02,244 INFO L87 Difference]: Start difference. First operand has 171 states, 92 states have (on average 1.7826086956521738) internal successors, (164), 157 states have internal predecessors, (164), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 19:07:02,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:07:02,290 INFO L93 Difference]: Finished difference Result 337 states and 383 transitions. [2024-11-10 19:07:02,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 19:07:02,293 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 25 [2024-11-10 19:07:02,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:07:02,302 INFO L225 Difference]: With dead ends: 337 [2024-11-10 19:07:02,302 INFO L226 Difference]: Without dead ends: 163 [2024-11-10 19:07:02,308 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 14 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 19:07:02,314 INFO L432 NwaCegarLoop]: 180 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, 180 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 19:07:02,315 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:07:02,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2024-11-10 19:07:02,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2024-11-10 19:07:02,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 87 states have (on average 1.735632183908046) internal successors, (151), 150 states have internal predecessors, (151), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-10 19:07:02,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 173 transitions. [2024-11-10 19:07:02,374 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 173 transitions. Word has length 25 [2024-11-10 19:07:02,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:07:02,375 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 173 transitions. [2024-11-10 19:07:02,375 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 19:07:02,376 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 173 transitions. [2024-11-10 19:07:02,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-10 19:07:02,377 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:07:02,377 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:07:02,378 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 19:07:02,378 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr63ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-10 19:07:02,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:07:02,379 INFO L85 PathProgramCache]: Analyzing trace with hash 580961151, now seen corresponding path program 1 times [2024-11-10 19:07:02,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:07:02,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791305455] [2024-11-10 19:07:02,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:07:02,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:07:02,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:07:02,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1449574725] [2024-11-10 19:07:02,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:07:02,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:07:02,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:07:02,436 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 19:07:02,437 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 19:07:02,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:02,506 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-10 19:07:02,515 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:07:02,670 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-10 19:07:02,671 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:07:02,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:07:02,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791305455] [2024-11-10 19:07:02,672 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:07:02,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1449574725] [2024-11-10 19:07:02,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1449574725] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:07:02,673 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:07:02,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 19:07:02,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535463156] [2024-11-10 19:07:02,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:07:02,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 19:07:02,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:07:02,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 19:07:02,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-10 19:07:02,677 INFO L87 Difference]: Start difference. First operand 163 states and 173 transitions. Second operand has 7 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-10 19:07:03,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:07:03,103 INFO L93 Difference]: Finished difference Result 163 states and 173 transitions. [2024-11-10 19:07:03,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 19:07:03,106 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) Word has length 25 [2024-11-10 19:07:03,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:07:03,108 INFO L225 Difference]: With dead ends: 163 [2024-11-10 19:07:03,108 INFO L226 Difference]: Without dead ends: 161 [2024-11-10 19:07:03,109 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-10 19:07:03,110 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 312 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 327 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 319 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:07:03,111 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [319 Valid, 245 Invalid, 342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 327 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:07:03,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2024-11-10 19:07:03,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2024-11-10 19:07:03,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 87 states have (on average 1.7126436781609196) internal successors, (149), 148 states have internal predecessors, (149), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-10 19:07:03,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 171 transitions. [2024-11-10 19:07:03,127 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 171 transitions. Word has length 25 [2024-11-10 19:07:03,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:07:03,128 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 171 transitions. [2024-11-10 19:07:03,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-10 19:07:03,129 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 171 transitions. [2024-11-10 19:07:03,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-10 19:07:03,129 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:07:03,130 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:07:03,144 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-10 19:07:03,330 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:07:03,331 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr62ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-10 19:07:03,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:07:03,332 INFO L85 PathProgramCache]: Analyzing trace with hash 829926623, now seen corresponding path program 1 times [2024-11-10 19:07:03,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:07:03,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340573267] [2024-11-10 19:07:03,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:07:03,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:07:03,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:07:03,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [437832775] [2024-11-10 19:07:03,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:07:03,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:07:03,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:07:03,375 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 19:07:03,376 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 19:07:03,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:03,418 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-10 19:07:03,421 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:07:03,568 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-10 19:07:03,568 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:07:03,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:07:03,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340573267] [2024-11-10 19:07:03,970 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:07:03,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [437832775] [2024-11-10 19:07:03,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [437832775] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:07:03,970 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:07:03,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-10 19:07:03,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377636971] [2024-11-10 19:07:03,971 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:07:03,971 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 19:07:03,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:07:03,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 19:07:03,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-10 19:07:03,973 INFO L87 Difference]: Start difference. First operand 161 states and 171 transitions. Second operand has 7 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-10 19:07:04,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:07:04,325 INFO L93 Difference]: Finished difference Result 161 states and 171 transitions. [2024-11-10 19:07:04,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 19:07:04,327 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 26 [2024-11-10 19:07:04,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:07:04,328 INFO L225 Difference]: With dead ends: 161 [2024-11-10 19:07:04,331 INFO L226 Difference]: Without dead ends: 160 [2024-11-10 19:07:04,331 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-10 19:07:04,332 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 309 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 323 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 316 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:07:04,333 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [316 Valid, 245 Invalid, 337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 323 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:07:04,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2024-11-10 19:07:04,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2024-11-10 19:07:04,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 87 states have (on average 1.7011494252873562) internal successors, (148), 147 states have internal predecessors, (148), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-10 19:07:04,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 170 transitions. [2024-11-10 19:07:04,356 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 170 transitions. Word has length 26 [2024-11-10 19:07:04,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:07:04,357 INFO L471 AbstractCegarLoop]: Abstraction has 160 states and 170 transitions. [2024-11-10 19:07:04,357 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-10 19:07:04,357 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 170 transitions. [2024-11-10 19:07:04,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-10 19:07:04,358 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:07:04,358 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 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 19:07:04,372 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 19:07:04,559 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,SelfDestructingSolverStorable2 [2024-11-10 19:07:04,559 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-10 19:07:04,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:07:04,560 INFO L85 PathProgramCache]: Analyzing trace with hash 1431176645, now seen corresponding path program 1 times [2024-11-10 19:07:04,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:07:04,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693660646] [2024-11-10 19:07:04,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:07:04,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:07:04,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:04,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:07:04,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:04,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:07:04,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:04,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:07:04,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:04,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 19:07:04,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:04,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 19:07:04,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:04,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 19:07:04,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:04,838 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-10 19:07:04,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:07:04,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693660646] [2024-11-10 19:07:04,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693660646] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:07:04,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [508746667] [2024-11-10 19:07:04,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:07:04,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:07:04,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:07:04,845 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 19:07:04,849 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 19:07:04,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:04,915 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 19:07:04,917 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:07:04,944 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-10 19:07:04,945 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:07:04,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [508746667] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:07:04,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:07:04,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2024-11-10 19:07:04,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639113562] [2024-11-10 19:07:04,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:07:04,946 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:07:04,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:07:04,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:07:04,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:07:04,947 INFO L87 Difference]: Start difference. First operand 160 states and 170 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-10 19:07:05,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:07:05,322 INFO L93 Difference]: Finished difference Result 271 states and 303 transitions. [2024-11-10 19:07:05,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:07:05,323 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 44 [2024-11-10 19:07:05,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:07:05,325 INFO L225 Difference]: With dead ends: 271 [2024-11-10 19:07:05,325 INFO L226 Difference]: Without dead ends: 261 [2024-11-10 19:07:05,325 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:07:05,326 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 93 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:07:05,326 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 232 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:07:05,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2024-11-10 19:07:05,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 217. [2024-11-10 19:07:05,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 140 states have (on average 1.6928571428571428) internal successors, (237), 199 states have internal predecessors, (237), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-10 19:07:05,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 267 transitions. [2024-11-10 19:07:05,349 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 267 transitions. Word has length 44 [2024-11-10 19:07:05,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:07:05,350 INFO L471 AbstractCegarLoop]: Abstraction has 217 states and 267 transitions. [2024-11-10 19:07:05,354 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-10 19:07:05,354 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 267 transitions. [2024-11-10 19:07:05,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-10 19:07:05,355 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:07:05,356 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 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 19:07:05,374 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 19:07:05,556 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:07:05,557 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-10 19:07:05,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:07:05,557 INFO L85 PathProgramCache]: Analyzing trace with hash 971220963, now seen corresponding path program 1 times [2024-11-10 19:07:05,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:07:05,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970812786] [2024-11-10 19:07:05,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:07:05,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:07:05,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:05,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:07:05,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:05,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:07:05,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:05,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:07:05,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:05,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 19:07:05,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:05,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 19:07:05,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:05,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 19:07:05,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:05,723 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-10 19:07:05,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:07:05,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970812786] [2024-11-10 19:07:05,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970812786] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:07:05,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [63635533] [2024-11-10 19:07:05,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:07:05,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:07:05,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:07:05,728 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 19:07:05,729 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 19:07:05,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:05,780 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:07:05,781 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:07:05,860 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-10 19:07:05,860 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:07:05,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [63635533] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:07:05,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:07:05,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-10 19:07:05,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438153844] [2024-11-10 19:07:05,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:07:05,861 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:07:05,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:07:05,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:07:05,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:07:05,862 INFO L87 Difference]: Start difference. First operand 217 states and 267 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-10 19:07:06,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:07:06,398 INFO L93 Difference]: Finished difference Result 235 states and 288 transitions. [2024-11-10 19:07:06,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:07:06,399 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 46 [2024-11-10 19:07:06,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:07:06,401 INFO L225 Difference]: With dead ends: 235 [2024-11-10 19:07:06,401 INFO L226 Difference]: Without dead ends: 234 [2024-11-10 19:07:06,401 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:07:06,402 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 62 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 285 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 19:07:06,405 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 216 Invalid, 285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 285 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 19:07:06,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2024-11-10 19:07:06,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 218. [2024-11-10 19:07:06,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 141 states have (on average 1.6879432624113475) internal successors, (238), 200 states have internal predecessors, (238), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-10 19:07:06,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 268 transitions. [2024-11-10 19:07:06,429 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 268 transitions. Word has length 46 [2024-11-10 19:07:06,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:07:06,430 INFO L471 AbstractCegarLoop]: Abstraction has 218 states and 268 transitions. [2024-11-10 19:07:06,430 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-10 19:07:06,430 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 268 transitions. [2024-11-10 19:07:06,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-10 19:07:06,431 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:07:06,432 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 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 19:07:06,452 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 19:07:06,632 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:07:06,633 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-10 19:07:06,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:07:06,635 INFO L85 PathProgramCache]: Analyzing trace with hash 971390799, now seen corresponding path program 1 times [2024-11-10 19:07:06,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:07:06,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368621328] [2024-11-10 19:07:06,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:07:06,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:07:06,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:07:06,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [520344408] [2024-11-10 19:07:06,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:07:06,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:07:06,650 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:07:06,652 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 19:07:06,653 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 19:07:06,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:06,703 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 19:07:06,705 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:07:06,717 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-10 19:07:06,718 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:07:06,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:07:06,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368621328] [2024-11-10 19:07:06,718 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:07:06,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [520344408] [2024-11-10 19:07:06,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [520344408] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:07:06,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:07:06,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:07:06,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348743495] [2024-11-10 19:07:06,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:07:06,720 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:07:06,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:07:06,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:07:06,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:07:06,720 INFO L87 Difference]: Start difference. First operand 218 states and 268 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-10 19:07:06,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:07:06,914 INFO L93 Difference]: Finished difference Result 372 states and 472 transitions. [2024-11-10 19:07:06,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:07:06,915 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 46 [2024-11-10 19:07:06,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:07:06,917 INFO L225 Difference]: With dead ends: 372 [2024-11-10 19:07:06,918 INFO L226 Difference]: Without dead ends: 364 [2024-11-10 19:07:06,918 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 44 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 19:07:06,919 INFO L432 NwaCegarLoop]: 147 mSDtfsCounter, 87 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:07:06,919 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 284 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:07:06,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2024-11-10 19:07:06,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 322. [2024-11-10 19:07:06,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 322 states, 237 states have (on average 1.7046413502109705) internal successors, (404), 296 states have internal predecessors, (404), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-10 19:07:06,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 450 transitions. [2024-11-10 19:07:06,934 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 450 transitions. Word has length 46 [2024-11-10 19:07:06,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:07:06,934 INFO L471 AbstractCegarLoop]: Abstraction has 322 states and 450 transitions. [2024-11-10 19:07:06,934 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-10 19:07:06,935 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 450 transitions. [2024-11-10 19:07:06,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-10 19:07:06,936 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:07:06,936 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 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 19:07:06,953 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 19:07:07,136 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:07:07,137 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-10 19:07:07,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:07:07,137 INFO L85 PathProgramCache]: Analyzing trace with hash 43078772, now seen corresponding path program 1 times [2024-11-10 19:07:07,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:07:07,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615276473] [2024-11-10 19:07:07,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:07:07,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:07:07,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:07,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:07:07,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:07,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:07:07,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:07,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:07:07,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:07,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 19:07:07,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:07,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 19:07:07,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:07,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 19:07:07,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:07,284 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-10 19:07:07,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:07:07,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615276473] [2024-11-10 19:07:07,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1615276473] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:07:07,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1050093881] [2024-11-10 19:07:07,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:07:07,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:07:07,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:07:07,287 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 19:07:07,288 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 19:07:07,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:07,334 INFO L255 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:07:07,335 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:07:07,428 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-10 19:07:07,429 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:07:07,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1050093881] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:07:07,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:07:07,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-10 19:07:07,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962563683] [2024-11-10 19:07:07,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:07:07,429 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:07:07,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:07:07,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:07:07,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:07:07,430 INFO L87 Difference]: Start difference. First operand 322 states and 450 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-10 19:07:07,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:07:07,898 INFO L93 Difference]: Finished difference Result 340 states and 470 transitions. [2024-11-10 19:07:07,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:07:07,898 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 47 [2024-11-10 19:07:07,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:07:07,900 INFO L225 Difference]: With dead ends: 340 [2024-11-10 19:07:07,900 INFO L226 Difference]: Without dead ends: 339 [2024-11-10 19:07:07,900 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:07:07,901 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 61 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 19:07:07,902 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 217 Invalid, 284 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 284 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 19:07:07,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2024-11-10 19:07:07,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 323. [2024-11-10 19:07:07,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 238 states have (on average 1.7016806722689075) internal successors, (405), 297 states have internal predecessors, (405), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-10 19:07:07,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 451 transitions. [2024-11-10 19:07:07,921 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 451 transitions. Word has length 47 [2024-11-10 19:07:07,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:07:07,921 INFO L471 AbstractCegarLoop]: Abstraction has 323 states and 451 transitions. [2024-11-10 19:07:07,922 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-10 19:07:07,922 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 451 transitions. [2024-11-10 19:07:07,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-10 19:07:07,923 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:07:07,923 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 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 19:07:07,940 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-10 19:07:08,127 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:07:08,128 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-10 19:07:08,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:07:08,128 INFO L85 PathProgramCache]: Analyzing trace with hash 1335441921, now seen corresponding path program 1 times [2024-11-10 19:07:08,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:07:08,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994385003] [2024-11-10 19:07:08,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:07:08,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:07:08,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:08,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:07:08,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:08,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:07:08,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:08,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:07:08,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:08,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 19:07:08,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:08,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 19:07:08,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:08,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 19:07:08,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:08,222 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-10 19:07:08,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:07:08,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994385003] [2024-11-10 19:07:08,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994385003] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:07:08,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1065831206] [2024-11-10 19:07:08,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:07:08,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:07:08,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:07:08,225 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 19:07:08,226 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 19:07:08,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:08,271 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:07:08,272 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:07:08,312 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-10 19:07:08,313 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:07:08,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1065831206] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:07:08,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:07:08,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-10 19:07:08,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383673314] [2024-11-10 19:07:08,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:07:08,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:07:08,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:07:08,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:07:08,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:07:08,315 INFO L87 Difference]: Start difference. First operand 323 states and 451 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-10 19:07:09,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:07:09,740 INFO L93 Difference]: Finished difference Result 376 states and 481 transitions. [2024-11-10 19:07:09,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:07:09,741 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 48 [2024-11-10 19:07:09,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:07:09,743 INFO L225 Difference]: With dead ends: 376 [2024-11-10 19:07:09,743 INFO L226 Difference]: Without dead ends: 372 [2024-11-10 19:07:09,744 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:07:09,744 INFO L432 NwaCegarLoop]: 123 mSDtfsCounter, 103 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 244 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:07:09,745 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 292 Invalid, 248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 244 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-10 19:07:09,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2024-11-10 19:07:09,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 324. [2024-11-10 19:07:09,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 239 states have (on average 1.6778242677824269) internal successors, (401), 298 states have internal predecessors, (401), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-10 19:07:09,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 447 transitions. [2024-11-10 19:07:09,757 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 447 transitions. Word has length 48 [2024-11-10 19:07:09,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:07:09,757 INFO L471 AbstractCegarLoop]: Abstraction has 324 states and 447 transitions. [2024-11-10 19:07:09,757 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-10 19:07:09,758 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 447 transitions. [2024-11-10 19:07:09,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-10 19:07:09,758 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:07:09,758 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 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 19:07:09,776 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 19:07:09,959 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:07:09,960 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-10 19:07:09,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:07:09,961 INFO L85 PathProgramCache]: Analyzing trace with hash 1498657869, now seen corresponding path program 1 times [2024-11-10 19:07:09,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:07:09,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402874207] [2024-11-10 19:07:09,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:07:09,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:07:09,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:10,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:07:10,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:10,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:07:10,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:10,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:07:10,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:10,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 19:07:10,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:10,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 19:07:10,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:10,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 19:07:10,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:10,201 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-10 19:07:10,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:07:10,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402874207] [2024-11-10 19:07:10,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [402874207] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:07:10,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [821898613] [2024-11-10 19:07:10,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:07:10,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:07:10,202 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:07:10,204 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 19:07:10,205 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 19:07:10,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:10,253 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 19:07:10,255 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:07:10,335 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-10 19:07:10,335 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:07:10,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [821898613] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:07:10,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:07:10,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 11 [2024-11-10 19:07:10,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041565049] [2024-11-10 19:07:10,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:07:10,339 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:07:10,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:07:10,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:07:10,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:07:10,340 INFO L87 Difference]: Start difference. First operand 324 states and 447 transitions. Second operand has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-10 19:07:11,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:07:11,532 INFO L93 Difference]: Finished difference Result 396 states and 463 transitions. [2024-11-10 19:07:11,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 19:07:11,532 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 48 [2024-11-10 19:07:11,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:07:11,534 INFO L225 Difference]: With dead ends: 396 [2024-11-10 19:07:11,534 INFO L226 Difference]: Without dead ends: 395 [2024-11-10 19:07:11,534 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2024-11-10 19:07:11,535 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 440 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 276 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 445 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:07:11,535 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [445 Valid, 327 Invalid, 297 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 276 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-10 19:07:11,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2024-11-10 19:07:11,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 324. [2024-11-10 19:07:11,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 239 states have (on average 1.6736401673640167) internal successors, (400), 298 states have internal predecessors, (400), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-10 19:07:11,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 446 transitions. [2024-11-10 19:07:11,553 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 446 transitions. Word has length 48 [2024-11-10 19:07:11,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:07:11,553 INFO L471 AbstractCegarLoop]: Abstraction has 324 states and 446 transitions. [2024-11-10 19:07:11,554 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-10 19:07:11,554 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 446 transitions. [2024-11-10 19:07:11,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-10 19:07:11,556 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:07:11,556 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 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 19:07:11,573 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 19:07:11,757 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,SelfDestructingSolverStorable8 [2024-11-10 19:07:11,757 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-10 19:07:11,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:07:11,758 INFO L85 PathProgramCache]: Analyzing trace with hash -1550973422, now seen corresponding path program 1 times [2024-11-10 19:07:11,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:07:11,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540281054] [2024-11-10 19:07:11,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:07:11,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:07:11,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:11,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:07:11,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:11,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:07:11,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:11,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:07:11,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:11,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 19:07:11,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:11,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 19:07:11,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:11,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 19:07:11,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:11,892 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-10 19:07:11,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:07:11,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540281054] [2024-11-10 19:07:11,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540281054] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:07:11,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1417443588] [2024-11-10 19:07:11,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:07:11,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:07:11,893 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:07:11,895 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 19:07:11,896 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 19:07:11,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:11,940 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:07:11,942 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:07:12,116 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-10 19:07:12,116 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:07:12,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1417443588] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:07:12,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:07:12,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-10 19:07:12,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115823454] [2024-11-10 19:07:12,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:07:12,118 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:07:12,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:07:12,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:07:12,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:07:12,120 INFO L87 Difference]: Start difference. First operand 324 states and 446 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-10 19:07:13,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:07:13,338 INFO L93 Difference]: Finished difference Result 374 states and 474 transitions. [2024-11-10 19:07:13,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:07:13,338 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 49 [2024-11-10 19:07:13,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:07:13,341 INFO L225 Difference]: With dead ends: 374 [2024-11-10 19:07:13,341 INFO L226 Difference]: Without dead ends: 370 [2024-11-10 19:07:13,341 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:07:13,342 INFO L432 NwaCegarLoop]: 128 mSDtfsCounter, 101 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 297 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:07:13,342 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 297 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-10 19:07:13,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2024-11-10 19:07:13,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 325. [2024-11-10 19:07:13,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 240 states have (on average 1.65) internal successors, (396), 299 states have internal predecessors, (396), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-10 19:07:13,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 442 transitions. [2024-11-10 19:07:13,356 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 442 transitions. Word has length 49 [2024-11-10 19:07:13,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:07:13,357 INFO L471 AbstractCegarLoop]: Abstraction has 325 states and 442 transitions. [2024-11-10 19:07:13,357 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-10 19:07:13,357 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 442 transitions. [2024-11-10 19:07:13,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-10 19:07:13,358 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:07:13,358 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 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 19:07:13,375 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-10 19:07:13,562 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,SelfDestructingSolverStorable9 [2024-11-10 19:07:13,563 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-10 19:07:13,563 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:07:13,563 INFO L85 PathProgramCache]: Analyzing trace with hash -786246219, now seen corresponding path program 1 times [2024-11-10 19:07:13,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:07:13,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294121402] [2024-11-10 19:07:13,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:07:13,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:07:13,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:07:13,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1456989700] [2024-11-10 19:07:13,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:07:13,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:07:13,573 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:07:13,575 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 19:07:13,576 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 19:07:13,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:13,626 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 19:07:13,627 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:07:13,691 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-10 19:07:13,691 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:07:13,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:07:13,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294121402] [2024-11-10 19:07:13,692 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:07:13,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1456989700] [2024-11-10 19:07:13,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1456989700] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:07:13,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:07:13,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 19:07:13,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789096063] [2024-11-10 19:07:13,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:07:13,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:07:13,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:07:13,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:07:13,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:07:13,693 INFO L87 Difference]: Start difference. First operand 325 states and 442 transitions. Second operand has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-10 19:07:14,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:07:14,439 INFO L93 Difference]: Finished difference Result 390 states and 456 transitions. [2024-11-10 19:07:14,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 19:07:14,440 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 49 [2024-11-10 19:07:14,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:07:14,441 INFO L225 Difference]: With dead ends: 390 [2024-11-10 19:07:14,441 INFO L226 Difference]: Without dead ends: 389 [2024-11-10 19:07:14,442 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:07:14,442 INFO L432 NwaCegarLoop]: 102 mSDtfsCounter, 436 mSDsluCounter, 219 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 441 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-10 19:07:14,442 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [441 Valid, 321 Invalid, 288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 266 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-10 19:07:14,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2024-11-10 19:07:14,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 325. [2024-11-10 19:07:14,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 240 states have (on average 1.6458333333333333) internal successors, (395), 299 states have internal predecessors, (395), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-10 19:07:14,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 441 transitions. [2024-11-10 19:07:14,463 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 441 transitions. Word has length 49 [2024-11-10 19:07:14,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:07:14,465 INFO L471 AbstractCegarLoop]: Abstraction has 325 states and 441 transitions. [2024-11-10 19:07:14,465 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-10 19:07:14,465 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 441 transitions. [2024-11-10 19:07:14,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-10 19:07:14,466 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:07:14,466 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:07:14,485 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-10 19:07:14,666 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-10 19:07:14,667 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-10 19:07:14,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:07:14,668 INFO L85 PathProgramCache]: Analyzing trace with hash 1755943304, now seen corresponding path program 1 times [2024-11-10 19:07:14,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:07:14,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386192013] [2024-11-10 19:07:14,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:07:14,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:07:14,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:14,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:07:14,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:14,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:07:14,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:14,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:07:14,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:14,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 19:07:14,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:14,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 19:07:14,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:14,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 19:07:14,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:14,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 19:07:14,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:14,803 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-10 19:07:14,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:07:14,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386192013] [2024-11-10 19:07:14,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386192013] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:07:14,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1575282993] [2024-11-10 19:07:14,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:07:14,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:07:14,804 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:07:14,806 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 19:07:14,808 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 19:07:14,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:14,854 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:07:14,856 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:07:14,948 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-10 19:07:14,948 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:07:14,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1575282993] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:07:14,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:07:14,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-10 19:07:14,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559997183] [2024-11-10 19:07:14,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:07:14,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:07:14,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:07:14,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:07:14,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:07:14,950 INFO L87 Difference]: Start difference. First operand 325 states and 441 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 19:07:15,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:07:15,303 INFO L93 Difference]: Finished difference Result 355 states and 455 transitions. [2024-11-10 19:07:15,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:07:15,305 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 55 [2024-11-10 19:07:15,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:07:15,307 INFO L225 Difference]: With dead ends: 355 [2024-11-10 19:07:15,307 INFO L226 Difference]: Without dead ends: 353 [2024-11-10 19:07:15,307 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:07:15,308 INFO L432 NwaCegarLoop]: 114 mSDtfsCounter, 251 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 260 SdHoareTripleChecker+Valid, 213 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:07:15,308 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [260 Valid, 213 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:07:15,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2024-11-10 19:07:15,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 327. [2024-11-10 19:07:15,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 327 states, 241 states have (on average 1.6348547717842323) internal successors, (394), 300 states have internal predecessors, (394), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-10 19:07:15,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 442 transitions. [2024-11-10 19:07:15,323 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 442 transitions. Word has length 55 [2024-11-10 19:07:15,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:07:15,323 INFO L471 AbstractCegarLoop]: Abstraction has 327 states and 442 transitions. [2024-11-10 19:07:15,324 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 19:07:15,324 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 442 transitions. [2024-11-10 19:07:15,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-10 19:07:15,324 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:07:15,325 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:07:15,337 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-10 19:07:15,525 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,SelfDestructingSolverStorable11 [2024-11-10 19:07:15,525 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-10 19:07:15,526 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:07:15,526 INFO L85 PathProgramCache]: Analyzing trace with hash -43671222, now seen corresponding path program 1 times [2024-11-10 19:07:15,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:07:15,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667064022] [2024-11-10 19:07:15,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:07:15,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:07:15,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:07:15,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [944002826] [2024-11-10 19:07:15,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:07:15,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:07:15,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:07:15,540 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 19:07:15,542 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 19:07:15,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:15,589 INFO L255 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 19:07:15,590 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:07:15,613 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-10 19:07:15,613 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:07:15,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:07:15,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667064022] [2024-11-10 19:07:15,614 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:07:15,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [944002826] [2024-11-10 19:07:15,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [944002826] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:07:15,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:07:15,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:07:15,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728618330] [2024-11-10 19:07:15,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:07:15,615 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:07:15,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:07:15,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:07:15,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:07:15,615 INFO L87 Difference]: Start difference. First operand 327 states and 442 transitions. Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 19:07:15,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:07:15,774 INFO L93 Difference]: Finished difference Result 373 states and 464 transitions. [2024-11-10 19:07:15,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:07:15,775 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 55 [2024-11-10 19:07:15,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:07:15,776 INFO L225 Difference]: With dead ends: 373 [2024-11-10 19:07:15,776 INFO L226 Difference]: Without dead ends: 369 [2024-11-10 19:07:15,776 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 53 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 19:07:15,777 INFO L432 NwaCegarLoop]: 158 mSDtfsCounter, 85 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:07:15,777 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 302 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:07:15,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2024-11-10 19:07:15,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 330. [2024-11-10 19:07:15,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 244 states have (on average 1.6147540983606556) internal successors, (394), 303 states have internal predecessors, (394), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-10 19:07:15,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 442 transitions. [2024-11-10 19:07:15,796 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 442 transitions. Word has length 55 [2024-11-10 19:07:15,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:07:15,796 INFO L471 AbstractCegarLoop]: Abstraction has 330 states and 442 transitions. [2024-11-10 19:07:15,796 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 19:07:15,797 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 442 transitions. [2024-11-10 19:07:15,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-10 19:07:15,797 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:07:15,797 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:07:15,811 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-10 19:07:15,999 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,SelfDestructingSolverStorable12 [2024-11-10 19:07:16,000 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-10 19:07:16,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:07:16,000 INFO L85 PathProgramCache]: Analyzing trace with hash -1400332442, now seen corresponding path program 1 times [2024-11-10 19:07:16,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:07:16,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364424837] [2024-11-10 19:07:16,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:07:16,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:07:16,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:16,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:07:16,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:16,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:07:16,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:16,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:07:16,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:16,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 19:07:16,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:16,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 19:07:16,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:16,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 19:07:16,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:16,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 19:07:16,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:16,093 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-10 19:07:16,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:07:16,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364424837] [2024-11-10 19:07:16,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364424837] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:07:16,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2140751093] [2024-11-10 19:07:16,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:07:16,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:07:16,094 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:07:16,096 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 19:07:16,097 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-10 19:07:16,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:16,142 INFO L255 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:07:16,143 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:07:16,220 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-10 19:07:16,220 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:07:16,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2140751093] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:07:16,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:07:16,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-10 19:07:16,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682446764] [2024-11-10 19:07:16,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:07:16,221 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:07:16,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:07:16,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:07:16,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:07:16,232 INFO L87 Difference]: Start difference. First operand 330 states and 442 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 19:07:16,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:07:16,492 INFO L93 Difference]: Finished difference Result 351 states and 446 transitions. [2024-11-10 19:07:16,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:07:16,493 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 56 [2024-11-10 19:07:16,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:07:16,494 INFO L225 Difference]: With dead ends: 351 [2024-11-10 19:07:16,494 INFO L226 Difference]: Without dead ends: 349 [2024-11-10 19:07:16,495 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:07:16,495 INFO L432 NwaCegarLoop]: 114 mSDtfsCounter, 174 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:07:16,495 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 231 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:07:16,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2024-11-10 19:07:16,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 330. [2024-11-10 19:07:16,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 244 states have (on average 1.6024590163934427) internal successors, (391), 303 states have internal predecessors, (391), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-10 19:07:16,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 439 transitions. [2024-11-10 19:07:16,510 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 439 transitions. Word has length 56 [2024-11-10 19:07:16,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:07:16,510 INFO L471 AbstractCegarLoop]: Abstraction has 330 states and 439 transitions. [2024-11-10 19:07:16,510 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 19:07:16,510 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 439 transitions. [2024-11-10 19:07:16,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-10 19:07:16,511 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:07:16,511 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:07:16,529 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-10 19:07:16,712 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-10 19:07:16,712 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-10 19:07:16,713 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:07:16,713 INFO L85 PathProgramCache]: Analyzing trace with hash -286453500, now seen corresponding path program 1 times [2024-11-10 19:07:16,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:07:16,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935831167] [2024-11-10 19:07:16,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:07:16,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:07:16,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:16,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:07:16,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:16,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:07:16,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:16,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:07:16,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:16,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 19:07:16,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:16,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 19:07:16,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:16,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 19:07:16,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:16,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 19:07:16,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:16,813 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-10 19:07:16,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:07:16,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935831167] [2024-11-10 19:07:16,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935831167] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:07:16,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [281914353] [2024-11-10 19:07:16,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:07:16,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:07:16,815 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:07:16,817 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:07:16,819 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-10 19:07:16,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:16,866 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:07:16,867 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:07:16,919 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-10 19:07:16,920 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:07:16,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [281914353] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:07:16,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:07:16,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-10 19:07:16,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963303950] [2024-11-10 19:07:16,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:07:16,921 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:07:16,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:07:16,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:07:16,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:07:16,921 INFO L87 Difference]: Start difference. First operand 330 states and 439 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 19:07:17,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:07:17,430 INFO L93 Difference]: Finished difference Result 369 states and 455 transitions. [2024-11-10 19:07:17,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:07:17,430 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 59 [2024-11-10 19:07:17,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:07:17,432 INFO L225 Difference]: With dead ends: 369 [2024-11-10 19:07:17,432 INFO L226 Difference]: Without dead ends: 367 [2024-11-10 19:07:17,432 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:07:17,433 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 86 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 389 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 19:07:17,433 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 389 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 19:07:17,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2024-11-10 19:07:17,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 331. [2024-11-10 19:07:17,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 331 states, 245 states have (on average 1.5918367346938775) internal successors, (390), 304 states have internal predecessors, (390), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-10 19:07:17,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 438 transitions. [2024-11-10 19:07:17,446 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 438 transitions. Word has length 59 [2024-11-10 19:07:17,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:07:17,447 INFO L471 AbstractCegarLoop]: Abstraction has 331 states and 438 transitions. [2024-11-10 19:07:17,447 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 19:07:17,447 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 438 transitions. [2024-11-10 19:07:17,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-10 19:07:17,448 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:07:17,448 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:07:17,464 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-10 19:07:17,651 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:07:17,652 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-10 19:07:17,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:07:17,652 INFO L85 PathProgramCache]: Analyzing trace with hash -290123934, now seen corresponding path program 1 times [2024-11-10 19:07:17,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:07:17,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396140460] [2024-11-10 19:07:17,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:07:17,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:07:17,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:17,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:07:17,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:17,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:07:17,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:17,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:07:17,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:17,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 19:07:17,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:17,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 19:07:17,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:17,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 19:07:17,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:17,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 19:07:17,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:17,737 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-10 19:07:17,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:07:17,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396140460] [2024-11-10 19:07:17,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396140460] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:07:17,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1347845346] [2024-11-10 19:07:17,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:07:17,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:07:17,738 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:07:17,739 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:07:17,744 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-10 19:07:17,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:17,792 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:07:17,794 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:07:18,015 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-10 19:07:18,016 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:07:18,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1347845346] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:07:18,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:07:18,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-10 19:07:18,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732681436] [2024-11-10 19:07:18,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:07:18,017 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:07:18,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:07:18,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:07:18,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:07:18,017 INFO L87 Difference]: Start difference. First operand 331 states and 438 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 19:07:18,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:07:18,788 INFO L93 Difference]: Finished difference Result 369 states and 452 transitions. [2024-11-10 19:07:18,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:07:18,788 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 60 [2024-11-10 19:07:18,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:07:18,790 INFO L225 Difference]: With dead ends: 369 [2024-11-10 19:07:18,790 INFO L226 Difference]: Without dead ends: 354 [2024-11-10 19:07:18,790 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:07:18,791 INFO L432 NwaCegarLoop]: 147 mSDtfsCounter, 86 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 393 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-10 19:07:18,791 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 393 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-10 19:07:18,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2024-11-10 19:07:18,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 319. [2024-11-10 19:07:18,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 234 states have (on average 1.606837606837607) internal successors, (376), 293 states have internal predecessors, (376), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-10 19:07:18,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 422 transitions. [2024-11-10 19:07:18,803 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 422 transitions. Word has length 60 [2024-11-10 19:07:18,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:07:18,804 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 422 transitions. [2024-11-10 19:07:18,804 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 19:07:18,804 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 422 transitions. [2024-11-10 19:07:18,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-10 19:07:18,805 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:07:18,805 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-11-10 19:07:18,821 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-10 19:07:19,005 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-10 19:07:19,006 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-10 19:07:19,006 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:07:19,006 INFO L85 PathProgramCache]: Analyzing trace with hash -260924583, now seen corresponding path program 1 times [2024-11-10 19:07:19,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:07:19,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931727562] [2024-11-10 19:07:19,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:07:19,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:07:19,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:07:19,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [485686106] [2024-11-10 19:07:19,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:07:19,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:07:19,019 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:07:19,021 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:07:19,022 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-10 19:07:19,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:19,073 INFO L255 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:07:19,075 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:07:19,168 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-10 19:07:19,168 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:07:19,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:07:19,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931727562] [2024-11-10 19:07:19,169 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:07:19,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [485686106] [2024-11-10 19:07:19,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [485686106] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:07:19,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:07:19,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:07:19,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139545671] [2024-11-10 19:07:19,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:07:19,169 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:07:19,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:07:19,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:07:19,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:07:19,170 INFO L87 Difference]: Start difference. First operand 319 states and 422 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-10 19:07:19,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:07:19,562 INFO L93 Difference]: Finished difference Result 346 states and 446 transitions. [2024-11-10 19:07:19,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:07:19,563 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 68 [2024-11-10 19:07:19,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:07:19,564 INFO L225 Difference]: With dead ends: 346 [2024-11-10 19:07:19,564 INFO L226 Difference]: Without dead ends: 345 [2024-11-10 19:07:19,565 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 65 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 19:07:19,565 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 221 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:07:19,565 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [228 Valid, 168 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:07:19,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2024-11-10 19:07:19,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 319. [2024-11-10 19:07:19,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 234 states have (on average 1.6025641025641026) internal successors, (375), 293 states have internal predecessors, (375), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-10 19:07:19,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 421 transitions. [2024-11-10 19:07:19,580 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 421 transitions. Word has length 68 [2024-11-10 19:07:19,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:07:19,580 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 421 transitions. [2024-11-10 19:07:19,581 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-10 19:07:19,581 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 421 transitions. [2024-11-10 19:07:19,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-10 19:07:19,581 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:07:19,581 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-11-10 19:07:19,599 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-10 19:07:19,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-10 19:07:19,782 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-10 19:07:19,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:07:19,783 INFO L85 PathProgramCache]: Analyzing trace with hash 501272595, now seen corresponding path program 1 times [2024-11-10 19:07:19,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:07:19,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530852198] [2024-11-10 19:07:19,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:07:19,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:07:19,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:07:19,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [829852450] [2024-11-10 19:07:19,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:07:19,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:07:19,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:07:19,803 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:07:19,806 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-10 19:07:19,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:19,859 INFO L255 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:07:19,860 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:07:19,957 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-10 19:07:19,957 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:07:19,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:07:19,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530852198] [2024-11-10 19:07:19,958 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:07:19,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [829852450] [2024-11-10 19:07:19,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [829852450] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:07:19,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:07:19,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:07:19,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541069144] [2024-11-10 19:07:19,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:07:19,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:07:19,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:07:19,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:07:19,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:07:19,960 INFO L87 Difference]: Start difference. First operand 319 states and 421 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-10 19:07:20,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:07:20,235 INFO L93 Difference]: Finished difference Result 346 states and 445 transitions. [2024-11-10 19:07:20,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:07:20,236 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 69 [2024-11-10 19:07:20,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:07:20,237 INFO L225 Difference]: With dead ends: 346 [2024-11-10 19:07:20,237 INFO L226 Difference]: Without dead ends: 345 [2024-11-10 19:07:20,237 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 66 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 19:07:20,238 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 219 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:07:20,238 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [226 Valid, 168 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:07:20,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2024-11-10 19:07:20,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 319. [2024-11-10 19:07:20,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 234 states have (on average 1.5982905982905984) internal successors, (374), 293 states have internal predecessors, (374), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-10 19:07:20,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 420 transitions. [2024-11-10 19:07:20,252 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 420 transitions. Word has length 69 [2024-11-10 19:07:20,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:07:20,252 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 420 transitions. [2024-11-10 19:07:20,252 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-10 19:07:20,252 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 420 transitions. [2024-11-10 19:07:20,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-10 19:07:20,253 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:07:20,253 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:07:20,269 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-10 19:07:20,453 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-10 19:07:20,455 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-10 19:07:20,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:07:20,456 INFO L85 PathProgramCache]: Analyzing trace with hash -1146402958, now seen corresponding path program 1 times [2024-11-10 19:07:20,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:07:20,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779054181] [2024-11-10 19:07:20,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:07:20,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:07:20,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:07:20,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1003657486] [2024-11-10 19:07:20,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:07:20,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:07:20,482 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:07:20,483 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:07:20,488 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-10 19:07:20,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:20,538 INFO L255 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:07:20,539 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:07:20,676 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-10 19:07:20,676 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:07:20,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:07:20,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779054181] [2024-11-10 19:07:20,677 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:07:20,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1003657486] [2024-11-10 19:07:20,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1003657486] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:07:20,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:07:20,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:07:20,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189981372] [2024-11-10 19:07:20,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:07:20,677 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:07:20,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:07:20,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:07:20,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:07:20,678 INFO L87 Difference]: Start difference. First operand 319 states and 420 transitions. Second operand has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-10 19:07:20,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:07:20,985 INFO L93 Difference]: Finished difference Result 348 states and 444 transitions. [2024-11-10 19:07:20,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:07:20,986 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), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 79 [2024-11-10 19:07:20,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:07:20,987 INFO L225 Difference]: With dead ends: 348 [2024-11-10 19:07:20,988 INFO L226 Difference]: Without dead ends: 347 [2024-11-10 19:07:20,989 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 76 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 19:07:20,989 INFO L432 NwaCegarLoop]: 131 mSDtfsCounter, 96 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 242 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:07:20,990 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 242 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:07:20,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2024-11-10 19:07:21,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 319. [2024-11-10 19:07:21,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 234 states have (on average 1.5897435897435896) internal successors, (372), 293 states have internal predecessors, (372), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-10 19:07:21,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 418 transitions. [2024-11-10 19:07:21,007 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 418 transitions. Word has length 79 [2024-11-10 19:07:21,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:07:21,008 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 418 transitions. [2024-11-10 19:07:21,008 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), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-10 19:07:21,008 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 418 transitions. [2024-11-10 19:07:21,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-10 19:07:21,010 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:07:21,010 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:07:21,027 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-10 19:07:21,210 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:07:21,211 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-10 19:07:21,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:07:21,212 INFO L85 PathProgramCache]: Analyzing trace with hash -1178753267, now seen corresponding path program 1 times [2024-11-10 19:07:21,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:07:21,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888625866] [2024-11-10 19:07:21,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:07:21,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:07:21,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:07:21,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2000809128] [2024-11-10 19:07:21,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:07:21,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:07:21,228 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:07:21,230 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:07:21,231 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-10 19:07:21,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:21,284 INFO L255 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:07:21,285 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:07:23,337 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-10 19:07:23,337 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:07:23,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:07:23,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888625866] [2024-11-10 19:07:23,338 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:07:23,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2000809128] [2024-11-10 19:07:23,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2000809128] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:07:23,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:07:23,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 19:07:23,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172641069] [2024-11-10 19:07:23,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:07:23,338 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:07:23,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:07:23,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:07:23,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=9, Unknown=2, NotChecked=0, Total=20 [2024-11-10 19:07:23,339 INFO L87 Difference]: Start difference. First operand 319 states and 418 transitions. Second operand has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-10 19:07:30,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:07:30,806 INFO L93 Difference]: Finished difference Result 348 states and 442 transitions. [2024-11-10 19:07:30,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 19:07:30,807 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 80 [2024-11-10 19:07:30,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:07:30,808 INFO L225 Difference]: With dead ends: 348 [2024-11-10 19:07:30,808 INFO L226 Difference]: Without dead ends: 347 [2024-11-10 19:07:30,808 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=14, Invalid=14, Unknown=2, NotChecked=0, Total=30 [2024-11-10 19:07:30,809 INFO L432 NwaCegarLoop]: 123 mSDtfsCounter, 119 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 7 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 315 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:07:30,809 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 315 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 182 Invalid, 6 Unknown, 0 Unchecked, 7.4s Time] [2024-11-10 19:07:30,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2024-11-10 19:07:30,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 319. [2024-11-10 19:07:30,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 234 states have (on average 1.5811965811965811) internal successors, (370), 293 states have internal predecessors, (370), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-10 19:07:30,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 416 transitions. [2024-11-10 19:07:30,834 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 416 transitions. Word has length 80 [2024-11-10 19:07:30,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:07:30,835 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 416 transitions. [2024-11-10 19:07:30,835 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-10 19:07:30,835 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 416 transitions. [2024-11-10 19:07:30,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-10 19:07:30,836 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:07:30,836 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:07:30,852 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-11-10 19:07:31,040 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:07:31,041 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-10 19:07:31,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:07:31,041 INFO L85 PathProgramCache]: Analyzing trace with hash 2113354448, now seen corresponding path program 1 times [2024-11-10 19:07:31,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:07:31,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451870606] [2024-11-10 19:07:31,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:07:31,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:07:31,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:07:31,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [790797210] [2024-11-10 19:07:31,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:07:31,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:07:31,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:07:31,059 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:07:31,060 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-10 19:07:31,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:31,113 INFO L255 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:07:31,114 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:07:31,170 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-10 19:07:31,170 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:07:31,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:07:31,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451870606] [2024-11-10 19:07:31,171 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:07:31,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [790797210] [2024-11-10 19:07:31,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [790797210] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:07:31,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:07:31,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:07:31,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816146794] [2024-11-10 19:07:31,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:07:31,172 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:07:31,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:07:31,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:07:31,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:07:31,173 INFO L87 Difference]: Start difference. First operand 319 states and 416 transitions. Second operand has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-10 19:07:31,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:07:31,861 INFO L93 Difference]: Finished difference Result 340 states and 429 transitions. [2024-11-10 19:07:31,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:07:31,861 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 81 [2024-11-10 19:07:31,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:07:31,863 INFO L225 Difference]: With dead ends: 340 [2024-11-10 19:07:31,863 INFO L226 Difference]: Without dead ends: 338 [2024-11-10 19:07:31,863 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 78 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 19:07:31,864 INFO L432 NwaCegarLoop]: 151 mSDtfsCounter, 59 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-10 19:07:31,864 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 346 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-10 19:07:31,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2024-11-10 19:07:31,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 319. [2024-11-10 19:07:31,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 234 states have (on average 1.564102564102564) internal successors, (366), 293 states have internal predecessors, (366), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-10 19:07:31,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 412 transitions. [2024-11-10 19:07:31,877 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 412 transitions. Word has length 81 [2024-11-10 19:07:31,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:07:31,878 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 412 transitions. [2024-11-10 19:07:31,878 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-10 19:07:31,878 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 412 transitions. [2024-11-10 19:07:31,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-10 19:07:31,878 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:07:31,879 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:07:31,895 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-10 19:07:32,079 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-11-10 19:07:32,081 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-10 19:07:32,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:07:32,081 INFO L85 PathProgramCache]: Analyzing trace with hash 1089478507, now seen corresponding path program 1 times [2024-11-10 19:07:32,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:07:32,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725302722] [2024-11-10 19:07:32,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:07:32,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:07:32,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:07:32,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1746648078] [2024-11-10 19:07:32,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:07:32,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:07:32,101 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:07:32,106 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:07:32,109 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-10 19:07:32,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:32,161 INFO L255 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:07:32,162 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:07:32,212 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-10 19:07:32,213 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:07:32,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:07:32,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725302722] [2024-11-10 19:07:32,213 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:07:32,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1746648078] [2024-11-10 19:07:32,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1746648078] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:07:32,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:07:32,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:07:32,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821544565] [2024-11-10 19:07:32,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:07:32,214 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:07:32,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:07:32,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:07:32,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:07:32,215 INFO L87 Difference]: Start difference. First operand 319 states and 412 transitions. Second operand has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-10 19:07:33,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:07:33,139 INFO L93 Difference]: Finished difference Result 340 states and 425 transitions. [2024-11-10 19:07:33,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:07:33,140 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 82 [2024-11-10 19:07:33,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:07:33,141 INFO L225 Difference]: With dead ends: 340 [2024-11-10 19:07:33,141 INFO L226 Difference]: Without dead ends: 338 [2024-11-10 19:07:33,141 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 79 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 19:07:33,142 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 59 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-10 19:07:33,142 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 349 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-10 19:07:33,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2024-11-10 19:07:33,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 319. [2024-11-10 19:07:33,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 234 states have (on average 1.547008547008547) internal successors, (362), 293 states have internal predecessors, (362), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-10 19:07:33,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 408 transitions. [2024-11-10 19:07:33,154 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 408 transitions. Word has length 82 [2024-11-10 19:07:33,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:07:33,154 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 408 transitions. [2024-11-10 19:07:33,155 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-10 19:07:33,155 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 408 transitions. [2024-11-10 19:07:33,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-10 19:07:33,156 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:07:33,156 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:07:33,172 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-11-10 19:07:33,359 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-11-10 19:07:33,360 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-10 19:07:33,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:07:33,360 INFO L85 PathProgramCache]: Analyzing trace with hash 1964954858, now seen corresponding path program 1 times [2024-11-10 19:07:33,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:07:33,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253953976] [2024-11-10 19:07:33,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:07:33,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:07:33,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:07:33,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1688414121] [2024-11-10 19:07:33,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:07:33,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:07:33,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:07:33,380 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:07:33,382 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-10 19:07:33,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:33,442 INFO L255 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-10 19:07:33,443 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:07:33,744 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-11-10 19:07:33,744 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:07:33,864 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-10 19:07:33,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:07:33,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253953976] [2024-11-10 19:07:33,865 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:07:33,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1688414121] [2024-11-10 19:07:33,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1688414121] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-10 19:07:33,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:07:33,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 7 [2024-11-10 19:07:33,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912153838] [2024-11-10 19:07:33,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:07:33,866 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:07:33,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:07:33,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:07:33,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:07:33,867 INFO L87 Difference]: Start difference. First operand 319 states and 408 transitions. Second operand has 3 states, 2 states have (on average 24.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-10 19:07:34,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:07:34,836 INFO L93 Difference]: Finished difference Result 334 states and 408 transitions. [2024-11-10 19:07:34,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:07:34,836 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), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 87 [2024-11-10 19:07:34,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:07:34,838 INFO L225 Difference]: With dead ends: 334 [2024-11-10 19:07:34,838 INFO L226 Difference]: Without dead ends: 333 [2024-11-10 19:07:34,838 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 165 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:07:34,839 INFO L432 NwaCegarLoop]: 134 mSDtfsCounter, 34 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:07:34,839 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 218 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-10 19:07:34,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2024-11-10 19:07:34,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 319. [2024-11-10 19:07:34,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 234 states have (on average 1.5341880341880343) internal successors, (359), 293 states have internal predecessors, (359), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-10 19:07:34,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 405 transitions. [2024-11-10 19:07:34,854 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 405 transitions. Word has length 87 [2024-11-10 19:07:34,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:07:34,855 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 405 transitions. [2024-11-10 19:07:34,855 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), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-10 19:07:34,855 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 405 transitions. [2024-11-10 19:07:34,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-10 19:07:34,856 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:07:34,856 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:07:34,873 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-11-10 19:07:35,060 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:07:35,061 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-10 19:07:35,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:07:35,061 INFO L85 PathProgramCache]: Analyzing trace with hash 784058501, now seen corresponding path program 1 times [2024-11-10 19:07:35,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:07:35,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953607793] [2024-11-10 19:07:35,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:07:35,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:07:35,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:07:35,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1799535667] [2024-11-10 19:07:35,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:07:35,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:07:35,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:07:35,075 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:07:35,076 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-10 19:07:35,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:35,127 INFO L255 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-10 19:07:35,128 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:07:35,413 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-11-10 19:07:35,413 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:07:36,304 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-11-10 19:07:36,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:07:36,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953607793] [2024-11-10 19:07:36,304 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:07:36,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1799535667] [2024-11-10 19:07:36,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1799535667] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:07:36,305 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 19:07:36,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2024-11-10 19:07:36,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803344314] [2024-11-10 19:07:36,305 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 19:07:36,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 19:07:36,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:07:36,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 19:07:36,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:07:36,306 INFO L87 Difference]: Start difference. First operand 319 states and 405 transitions. Second operand has 10 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 6 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (17), 6 states have call predecessors, (17), 6 states have call successors, (17) [2024-11-10 19:07:37,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:07:37,821 INFO L93 Difference]: Finished difference Result 337 states and 406 transitions. [2024-11-10 19:07:37,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 19:07:37,822 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 6 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (17), 6 states have call predecessors, (17), 6 states have call successors, (17) Word has length 88 [2024-11-10 19:07:37,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:07:37,823 INFO L225 Difference]: With dead ends: 337 [2024-11-10 19:07:37,823 INFO L226 Difference]: Without dead ends: 336 [2024-11-10 19:07:37,823 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 165 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-10 19:07:37,824 INFO L432 NwaCegarLoop]: 102 mSDtfsCounter, 183 mSDsluCounter, 520 mSDsCounter, 0 mSdLazyCounter, 635 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 622 SdHoareTripleChecker+Invalid, 640 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 635 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-10 19:07:37,824 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 622 Invalid, 640 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 635 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-10 19:07:37,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2024-11-10 19:07:37,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 319. [2024-11-10 19:07:37,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 234 states have (on average 1.5213675213675213) internal successors, (356), 293 states have internal predecessors, (356), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-10 19:07:37,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 402 transitions. [2024-11-10 19:07:37,843 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 402 transitions. Word has length 88 [2024-11-10 19:07:37,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:07:37,844 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 402 transitions. [2024-11-10 19:07:37,844 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 6 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (17), 6 states have call predecessors, (17), 6 states have call successors, (17) [2024-11-10 19:07:37,844 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 402 transitions. [2024-11-10 19:07:37,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-10 19:07:37,845 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:07:37,845 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:07:37,862 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-11-10 19:07:38,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:07:38,047 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-10 19:07:38,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:07:38,047 INFO L85 PathProgramCache]: Analyzing trace with hash -1463990200, now seen corresponding path program 1 times [2024-11-10 19:07:38,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:07:38,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393625677] [2024-11-10 19:07:38,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:07:38,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:07:38,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:07:38,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1801711989] [2024-11-10 19:07:38,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:07:38,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:07:38,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:07:38,068 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:07:38,069 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-10 19:07:38,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:38,122 INFO L255 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-10 19:07:38,123 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:07:38,648 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-11-10 19:07:38,649 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:07:39,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:07:39,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393625677] [2024-11-10 19:07:39,129 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:07:39,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1801711989] [2024-11-10 19:07:39,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1801711989] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:07:39,131 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:07:39,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-10 19:07:39,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952637131] [2024-11-10 19:07:39,132 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:07:39,132 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 19:07:39,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:07:39,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 19:07:39,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:07:39,134 INFO L87 Difference]: Start difference. First operand 319 states and 402 transitions. Second operand has 8 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-10 19:07:39,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:07:39,644 INFO L93 Difference]: Finished difference Result 325 states and 403 transitions. [2024-11-10 19:07:39,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 19:07:39,644 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) Word has length 89 [2024-11-10 19:07:39,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:07:39,645 INFO L225 Difference]: With dead ends: 325 [2024-11-10 19:07:39,645 INFO L226 Difference]: Without dead ends: 322 [2024-11-10 19:07:39,645 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:07:39,646 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 131 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 563 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 565 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 563 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 19:07:39,646 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 281 Invalid, 565 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 563 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 19:07:39,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2024-11-10 19:07:39,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 319. [2024-11-10 19:07:39,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 234 states have (on average 1.4957264957264957) internal successors, (350), 293 states have internal predecessors, (350), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-10 19:07:39,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 396 transitions. [2024-11-10 19:07:39,661 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 396 transitions. Word has length 89 [2024-11-10 19:07:39,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:07:39,661 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 396 transitions. [2024-11-10 19:07:39,661 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-10 19:07:39,661 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 396 transitions. [2024-11-10 19:07:39,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-10 19:07:39,662 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:07:39,662 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:07:39,679 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-11-10 19:07:39,866 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-11-10 19:07:39,866 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-10 19:07:39,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:07:39,867 INFO L85 PathProgramCache]: Analyzing trace with hash 1860944099, now seen corresponding path program 1 times [2024-11-10 19:07:39,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:07:39,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367771959] [2024-11-10 19:07:39,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:07:39,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:07:39,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:07:39,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2013356687] [2024-11-10 19:07:39,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:07:39,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:07:39,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:07:39,885 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:07:39,887 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-10 19:07:39,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:39,946 INFO L255 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-10 19:07:39,948 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:07:40,525 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-11-10 19:07:40,525 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:07:40,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:07:40,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367771959] [2024-11-10 19:07:40,695 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:07:40,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2013356687] [2024-11-10 19:07:40,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2013356687] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:07:40,695 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:07:40,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-10 19:07:40,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152584722] [2024-11-10 19:07:40,695 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:07:40,696 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 19:07:40,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:07:40,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 19:07:40,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:07:40,697 INFO L87 Difference]: Start difference. First operand 319 states and 396 transitions. Second operand has 8 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-10 19:07:41,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:07:41,439 INFO L93 Difference]: Finished difference Result 327 states and 399 transitions. [2024-11-10 19:07:41,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 19:07:41,439 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) Word has length 90 [2024-11-10 19:07:41,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:07:41,440 INFO L225 Difference]: With dead ends: 327 [2024-11-10 19:07:41,440 INFO L226 Difference]: Without dead ends: 324 [2024-11-10 19:07:41,441 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:07:41,441 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 165 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-10 19:07:41,441 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 266 Invalid, 536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 531 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-10 19:07:41,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2024-11-10 19:07:41,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 319. [2024-11-10 19:07:41,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 234 states have (on average 1.4700854700854702) internal successors, (344), 293 states have internal predecessors, (344), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-10 19:07:41,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 390 transitions. [2024-11-10 19:07:41,457 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 390 transitions. Word has length 90 [2024-11-10 19:07:41,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:07:41,458 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 390 transitions. [2024-11-10 19:07:41,458 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-10 19:07:41,458 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 390 transitions. [2024-11-10 19:07:41,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-10 19:07:41,459 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:07:41,459 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:07:41,475 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2024-11-10 19:07:41,662 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-10 19:07:41,662 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-10 19:07:41,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:07:41,663 INFO L85 PathProgramCache]: Analyzing trace with hash -1580068674, now seen corresponding path program 1 times [2024-11-10 19:07:41,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:07:41,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166708220] [2024-11-10 19:07:41,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:07:41,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:07:41,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:41,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:07:41,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:41,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:07:41,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:41,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:07:41,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:41,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 19:07:41,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:41,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 19:07:41,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:41,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 19:07:41,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:41,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 19:07:41,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:41,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 19:07:41,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:41,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 19:07:41,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:41,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 19:07:41,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:41,767 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 19:07:41,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:07:41,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166708220] [2024-11-10 19:07:41,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1166708220] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:07:41,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:07:41,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:07:41,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862183147] [2024-11-10 19:07:41,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:07:41,768 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:07:41,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:07:41,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:07:41,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:07:41,768 INFO L87 Difference]: Start difference. First operand 319 states and 390 transitions. Second operand has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-10 19:07:41,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:07:41,856 INFO L93 Difference]: Finished difference Result 319 states and 390 transitions. [2024-11-10 19:07:41,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:07:41,866 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 103 [2024-11-10 19:07:41,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:07:41,867 INFO L225 Difference]: With dead ends: 319 [2024-11-10 19:07:41,867 INFO L226 Difference]: Without dead ends: 318 [2024-11-10 19:07:41,867 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 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 19:07:41,867 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 2 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:07:41,867 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 299 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:07:41,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2024-11-10 19:07:41,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 318. [2024-11-10 19:07:41,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 234 states have (on average 1.452991452991453) internal successors, (340), 292 states have internal predecessors, (340), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-10 19:07:41,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 386 transitions. [2024-11-10 19:07:41,882 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 386 transitions. Word has length 103 [2024-11-10 19:07:41,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:07:41,882 INFO L471 AbstractCegarLoop]: Abstraction has 318 states and 386 transitions. [2024-11-10 19:07:41,883 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-10 19:07:41,883 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 386 transitions. [2024-11-10 19:07:41,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-10 19:07:41,883 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:07:41,883 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:07:41,883 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-10 19:07:41,884 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-10 19:07:41,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:07:41,884 INFO L85 PathProgramCache]: Analyzing trace with hash -1737488614, now seen corresponding path program 1 times [2024-11-10 19:07:41,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:07:41,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378890106] [2024-11-10 19:07:41,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:07:41,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:07:41,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:41,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:07:41,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:41,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:07:41,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:41,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:07:41,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:41,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 19:07:41,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:41,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 19:07:41,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:41,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 19:07:41,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:41,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 19:07:41,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:41,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 19:07:41,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:41,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 19:07:41,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:41,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 19:07:41,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:41,994 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 19:07:41,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:07:41,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378890106] [2024-11-10 19:07:41,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378890106] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:07:41,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:07:41,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 19:07:41,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308208733] [2024-11-10 19:07:41,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:07:41,995 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 19:07:41,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:07:41,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 19:07:41,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-10 19:07:41,996 INFO L87 Difference]: Start difference. First operand 318 states and 386 transitions. Second operand has 6 states, 5 states have (on average 12.0) internal successors, (60), 6 states have internal predecessors, (60), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-10 19:07:42,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:07:42,898 INFO L93 Difference]: Finished difference Result 322 states and 387 transitions. [2024-11-10 19:07:42,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 19:07:42,898 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.0) internal successors, (60), 6 states have internal predecessors, (60), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 104 [2024-11-10 19:07:42,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:07:42,899 INFO L225 Difference]: With dead ends: 322 [2024-11-10 19:07:42,899 INFO L226 Difference]: Without dead ends: 321 [2024-11-10 19:07:42,899 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:07:42,900 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 443 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 388 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 443 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-10 19:07:42,900 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [443 Valid, 246 Invalid, 425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 388 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-10 19:07:42,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2024-11-10 19:07:42,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 318. [2024-11-10 19:07:42,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 234 states have (on average 1.4487179487179487) internal successors, (339), 292 states have internal predecessors, (339), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-10 19:07:42,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 385 transitions. [2024-11-10 19:07:42,915 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 385 transitions. Word has length 104 [2024-11-10 19:07:42,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:07:42,915 INFO L471 AbstractCegarLoop]: Abstraction has 318 states and 385 transitions. [2024-11-10 19:07:42,915 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.0) internal successors, (60), 6 states have internal predecessors, (60), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-10 19:07:42,916 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 385 transitions. [2024-11-10 19:07:42,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-10 19:07:42,916 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:07:42,916 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:07:42,916 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-10 19:07:42,916 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-10 19:07:42,917 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:07:42,917 INFO L85 PathProgramCache]: Analyzing trace with hash 1014520215, now seen corresponding path program 1 times [2024-11-10 19:07:42,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:07:42,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345553931] [2024-11-10 19:07:42,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:07:42,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:07:42,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:43,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:07:43,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:43,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:07:43,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:43,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:07:43,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:43,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 19:07:43,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:43,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 19:07:43,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:43,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 19:07:43,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:43,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 19:07:43,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:43,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 19:07:43,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:43,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 19:07:43,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:43,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 19:07:43,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:43,057 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 19:07:43,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:07:43,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345553931] [2024-11-10 19:07:43,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345553931] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:07:43,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:07:43,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 19:07:43,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332403661] [2024-11-10 19:07:43,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:07:43,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:07:43,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:07:43,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:07:43,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:07:43,058 INFO L87 Difference]: Start difference. First operand 318 states and 385 transitions. Second operand has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-10 19:07:43,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:07:43,237 INFO L93 Difference]: Finished difference Result 335 states and 398 transitions. [2024-11-10 19:07:43,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:07:43,238 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 106 [2024-11-10 19:07:43,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:07:43,239 INFO L225 Difference]: With dead ends: 335 [2024-11-10 19:07:43,239 INFO L226 Difference]: Without dead ends: 334 [2024-11-10 19:07:43,240 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:07:43,241 INFO L432 NwaCegarLoop]: 161 mSDtfsCounter, 18 mSDsluCounter, 293 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 454 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:07:43,241 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 454 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:07:43,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2024-11-10 19:07:43,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 323. [2024-11-10 19:07:43,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 239 states have (on average 1.4393305439330544) internal successors, (344), 297 states have internal predecessors, (344), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-10 19:07:43,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 390 transitions. [2024-11-10 19:07:43,256 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 390 transitions. Word has length 106 [2024-11-10 19:07:43,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:07:43,257 INFO L471 AbstractCegarLoop]: Abstraction has 323 states and 390 transitions. [2024-11-10 19:07:43,257 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-10 19:07:43,257 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 390 transitions. [2024-11-10 19:07:43,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-10 19:07:43,258 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:07:43,258 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:07:43,258 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-10 19:07:43,259 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-10 19:07:43,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:07:43,259 INFO L85 PathProgramCache]: Analyzing trace with hash 1385355602, now seen corresponding path program 1 times [2024-11-10 19:07:43,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:07:43,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395733256] [2024-11-10 19:07:43,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:07:43,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:07:43,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:07:43,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1164394729] [2024-11-10 19:07:43,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:07:43,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:07:43,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:07:43,274 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:07:43,275 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-10 19:07:43,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:43,331 INFO L255 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:07:43,333 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:07:43,497 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 19:07:43,497 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:07:43,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:07:43,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395733256] [2024-11-10 19:07:43,498 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:07:43,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1164394729] [2024-11-10 19:07:43,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1164394729] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:07:43,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:07:43,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:07:43,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780231747] [2024-11-10 19:07:43,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:07:43,499 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:07:43,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:07:43,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:07:43,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:07:43,499 INFO L87 Difference]: Start difference. First operand 323 states and 390 transitions. Second operand has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-10 19:07:43,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:07:43,847 INFO L93 Difference]: Finished difference Result 335 states and 396 transitions. [2024-11-10 19:07:43,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:07:43,848 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 107 [2024-11-10 19:07:43,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:07:43,849 INFO L225 Difference]: With dead ends: 335 [2024-11-10 19:07:43,849 INFO L226 Difference]: Without dead ends: 334 [2024-11-10 19:07:43,849 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 104 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 19:07:43,849 INFO L432 NwaCegarLoop]: 141 mSDtfsCounter, 19 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 329 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:07:43,849 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 329 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:07:43,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2024-11-10 19:07:43,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 325. [2024-11-10 19:07:43,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 241 states have (on average 1.4356846473029046) internal successors, (346), 299 states have internal predecessors, (346), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-10 19:07:43,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 392 transitions. [2024-11-10 19:07:43,867 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 392 transitions. Word has length 107 [2024-11-10 19:07:43,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:07:43,867 INFO L471 AbstractCegarLoop]: Abstraction has 325 states and 392 transitions. [2024-11-10 19:07:43,867 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-10 19:07:43,867 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 392 transitions. [2024-11-10 19:07:43,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-10 19:07:43,868 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:07:43,868 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:07:43,884 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2024-11-10 19:07:44,068 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:07:44,069 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-10 19:07:44,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:07:44,069 INFO L85 PathProgramCache]: Analyzing trace with hash -1341810098, now seen corresponding path program 1 times [2024-11-10 19:07:44,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:07:44,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590110811] [2024-11-10 19:07:44,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:07:44,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:07:44,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:44,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:07:44,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:44,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:07:44,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:44,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:07:44,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:44,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 19:07:44,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:44,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 19:07:44,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:44,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 19:07:44,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:44,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 19:07:44,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:44,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 19:07:44,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:44,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 19:07:44,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:44,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 19:07:44,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:44,226 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 19:07:44,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:07:44,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590110811] [2024-11-10 19:07:44,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590110811] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:07:44,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:07:44,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 19:07:44,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141434537] [2024-11-10 19:07:44,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:07:44,227 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:07:44,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:07:44,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:07:44,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:07:44,227 INFO L87 Difference]: Start difference. First operand 325 states and 392 transitions. Second operand has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-10 19:07:45,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:07:45,125 INFO L93 Difference]: Finished difference Result 344 states and 405 transitions. [2024-11-10 19:07:45,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:07:45,125 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 111 [2024-11-10 19:07:45,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:07:45,126 INFO L225 Difference]: With dead ends: 344 [2024-11-10 19:07:45,126 INFO L226 Difference]: Without dead ends: 343 [2024-11-10 19:07:45,127 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:07:45,127 INFO L432 NwaCegarLoop]: 161 mSDtfsCounter, 18 mSDsluCounter, 380 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 541 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-10 19:07:45,127 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 541 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-10 19:07:45,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2024-11-10 19:07:45,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 332. [2024-11-10 19:07:45,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 248 states have (on average 1.4314516129032258) internal successors, (355), 306 states have internal predecessors, (355), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-10 19:07:45,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 401 transitions. [2024-11-10 19:07:45,144 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 401 transitions. Word has length 111 [2024-11-10 19:07:45,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:07:45,144 INFO L471 AbstractCegarLoop]: Abstraction has 332 states and 401 transitions. [2024-11-10 19:07:45,145 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-10 19:07:45,145 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 401 transitions. [2024-11-10 19:07:45,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-10 19:07:45,145 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:07:45,145 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 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] [2024-11-10 19:07:45,146 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-10 19:07:45,146 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-10 19:07:45,146 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:07:45,146 INFO L85 PathProgramCache]: Analyzing trace with hash -1539092590, now seen corresponding path program 1 times [2024-11-10 19:07:45,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:07:45,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947714574] [2024-11-10 19:07:45,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:07:45,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:07:45,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:07:45,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [712334307] [2024-11-10 19:07:45,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:07:45,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:07:45,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:07:45,165 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:07:45,167 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-10 19:07:45,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:45,230 INFO L255 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-10 19:07:45,231 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:07:45,503 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-11-10 19:07:45,504 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:07:45,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:07:45,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947714574] [2024-11-10 19:07:45,597 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:07:45,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [712334307] [2024-11-10 19:07:45,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [712334307] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:07:45,598 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:07:45,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-10 19:07:45,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624029391] [2024-11-10 19:07:45,598 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:07:45,598 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 19:07:45,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:07:45,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 19:07:45,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:07:45,599 INFO L87 Difference]: Start difference. First operand 332 states and 401 transitions. Second operand has 8 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-10 19:07:46,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:07:46,266 INFO L93 Difference]: Finished difference Result 336 states and 402 transitions. [2024-11-10 19:07:46,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 19:07:46,266 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 111 [2024-11-10 19:07:46,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:07:46,267 INFO L225 Difference]: With dead ends: 336 [2024-11-10 19:07:46,268 INFO L226 Difference]: Without dead ends: 334 [2024-11-10 19:07:46,268 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2024-11-10 19:07:46,268 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 212 mSDsluCounter, 397 mSDsCounter, 0 mSdLazyCounter, 603 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 506 SdHoareTripleChecker+Invalid, 614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 603 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 19:07:46,268 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 506 Invalid, 614 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 603 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 19:07:46,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2024-11-10 19:07:46,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 332. [2024-11-10 19:07:46,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 248 states have (on average 1.4233870967741935) internal successors, (353), 306 states have internal predecessors, (353), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-10 19:07:46,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 399 transitions. [2024-11-10 19:07:46,283 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 399 transitions. Word has length 111 [2024-11-10 19:07:46,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:07:46,283 INFO L471 AbstractCegarLoop]: Abstraction has 332 states and 399 transitions. [2024-11-10 19:07:46,283 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-10 19:07:46,284 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 399 transitions. [2024-11-10 19:07:46,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-10 19:07:46,284 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:07:46,284 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:07:46,300 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2024-11-10 19:07:46,488 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:07:46,489 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-10 19:07:46,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:07:46,489 INFO L85 PathProgramCache]: Analyzing trace with hash 1353559922, now seen corresponding path program 1 times [2024-11-10 19:07:46,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:07:46,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252876508] [2024-11-10 19:07:46,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:07:46,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:07:46,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:07:46,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [620936677] [2024-11-10 19:07:46,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:07:46,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:07:46,505 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:07:46,507 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:07:46,508 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-10 19:07:46,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:46,574 INFO L255 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:07:46,575 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:07:46,706 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 19:07:46,707 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:07:46,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:07:46,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252876508] [2024-11-10 19:07:46,707 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:07:46,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [620936677] [2024-11-10 19:07:46,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [620936677] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:07:46,707 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:07:46,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 19:07:46,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130250608] [2024-11-10 19:07:46,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:07:46,708 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:07:46,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:07:46,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:07:46,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:07:46,708 INFO L87 Difference]: Start difference. First operand 332 states and 399 transitions. Second operand has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-10 19:07:46,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:07:46,933 INFO L93 Difference]: Finished difference Result 342 states and 404 transitions. [2024-11-10 19:07:46,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:07:46,933 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 112 [2024-11-10 19:07:46,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:07:46,934 INFO L225 Difference]: With dead ends: 342 [2024-11-10 19:07:46,934 INFO L226 Difference]: Without dead ends: 341 [2024-11-10 19:07:46,935 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:07:46,935 INFO L432 NwaCegarLoop]: 148 mSDtfsCounter, 70 mSDsluCounter, 310 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 458 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:07:46,935 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 458 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:07:46,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2024-11-10 19:07:46,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 334. [2024-11-10 19:07:46,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 334 states, 250 states have (on average 1.42) internal successors, (355), 308 states have internal predecessors, (355), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-10 19:07:46,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 401 transitions. [2024-11-10 19:07:46,951 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 401 transitions. Word has length 112 [2024-11-10 19:07:46,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:07:46,952 INFO L471 AbstractCegarLoop]: Abstraction has 334 states and 401 transitions. [2024-11-10 19:07:46,952 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-10 19:07:46,952 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 401 transitions. [2024-11-10 19:07:46,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-10 19:07:46,952 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:07:46,952 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 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] [2024-11-10 19:07:46,969 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2024-11-10 19:07:47,156 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:07:47,157 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-10 19:07:47,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:07:47,157 INFO L85 PathProgramCache]: Analyzing trace with hash -467229932, now seen corresponding path program 1 times [2024-11-10 19:07:47,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:07:47,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619520490] [2024-11-10 19:07:47,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:07:47,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:07:47,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:07:47,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1250260013] [2024-11-10 19:07:47,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:07:47,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:07:47,177 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:07:47,180 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:07:47,184 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-10 19:07:47,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:47,246 INFO L255 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-10 19:07:47,247 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:07:47,693 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-10 19:07:47,693 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:07:48,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:07:48,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619520490] [2024-11-10 19:07:48,123 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:07:48,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1250260013] [2024-11-10 19:07:48,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1250260013] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:07:48,123 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:07:48,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-10 19:07:48,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506427026] [2024-11-10 19:07:48,124 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:07:48,124 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 19:07:48,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:07:48,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 19:07:48,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-11-10 19:07:48,124 INFO L87 Difference]: Start difference. First operand 334 states and 401 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 9 states have internal predecessors, (71), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-10 19:07:48,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:07:48,816 INFO L93 Difference]: Finished difference Result 388 states and 462 transitions. [2024-11-10 19:07:48,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 19:07:48,816 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 9 states have internal predecessors, (71), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) Word has length 112 [2024-11-10 19:07:48,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:07:48,817 INFO L225 Difference]: With dead ends: 388 [2024-11-10 19:07:48,817 INFO L226 Difference]: Without dead ends: 386 [2024-11-10 19:07:48,818 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2024-11-10 19:07:48,818 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 580 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 687 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 585 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 726 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 687 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 19:07:48,818 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [585 Valid, 308 Invalid, 726 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 687 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 19:07:48,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2024-11-10 19:07:48,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 383. [2024-11-10 19:07:48,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 295 states have (on average 1.3694915254237288) internal successors, (404), 353 states have internal predecessors, (404), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-10 19:07:48,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 458 transitions. [2024-11-10 19:07:48,842 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 458 transitions. Word has length 112 [2024-11-10 19:07:48,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:07:48,843 INFO L471 AbstractCegarLoop]: Abstraction has 383 states and 458 transitions. [2024-11-10 19:07:48,843 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 9 states have internal predecessors, (71), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-10 19:07:48,843 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 458 transitions. [2024-11-10 19:07:48,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-10 19:07:48,844 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:07:48,844 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 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] [2024-11-10 19:07:48,858 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2024-11-10 19:07:49,044 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:07:49,044 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-10 19:07:49,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:07:49,045 INFO L85 PathProgramCache]: Analyzing trace with hash -1599225904, now seen corresponding path program 1 times [2024-11-10 19:07:49,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:07:49,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540037621] [2024-11-10 19:07:49,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:07:49,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:07:49,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:49,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:07:49,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:49,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:07:49,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:49,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:07:49,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:49,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 19:07:49,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:49,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 19:07:49,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:49,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 19:07:49,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:49,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 19:07:49,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:49,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 19:07:49,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:49,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 19:07:49,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:49,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 19:07:49,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:49,178 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 19:07:49,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:07:49,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540037621] [2024-11-10 19:07:49,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540037621] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:07:49,178 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:07:49,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 19:07:49,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015124356] [2024-11-10 19:07:49,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:07:49,179 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:07:49,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:07:49,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:07:49,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:07:49,180 INFO L87 Difference]: Start difference. First operand 383 states and 458 transitions. Second operand has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-10 19:07:49,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:07:49,817 INFO L93 Difference]: Finished difference Result 414 states and 458 transitions. [2024-11-10 19:07:49,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 19:07:49,817 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 113 [2024-11-10 19:07:49,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:07:49,819 INFO L225 Difference]: With dead ends: 414 [2024-11-10 19:07:49,819 INFO L226 Difference]: Without dead ends: 413 [2024-11-10 19:07:49,819 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:07:49,819 INFO L432 NwaCegarLoop]: 202 mSDtfsCounter, 135 mSDsluCounter, 382 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 584 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 19:07:49,819 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 584 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 19:07:49,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2024-11-10 19:07:49,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 383. [2024-11-10 19:07:49,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 295 states have (on average 1.3593220338983052) internal successors, (401), 353 states have internal predecessors, (401), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-10 19:07:49,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 455 transitions. [2024-11-10 19:07:49,841 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 455 transitions. Word has length 113 [2024-11-10 19:07:49,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:07:49,841 INFO L471 AbstractCegarLoop]: Abstraction has 383 states and 455 transitions. [2024-11-10 19:07:49,842 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-10 19:07:49,842 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 455 transitions. [2024-11-10 19:07:49,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-10 19:07:49,842 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:07:49,843 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:07:49,843 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-10 19:07:49,843 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-10 19:07:49,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:07:49,843 INFO L85 PathProgramCache]: Analyzing trace with hash 1963604626, now seen corresponding path program 1 times [2024-11-10 19:07:49,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:07:49,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990813282] [2024-11-10 19:07:49,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:07:49,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:07:49,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:07:49,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1348449432] [2024-11-10 19:07:49,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:07:49,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:07:49,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:07:49,858 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:07:49,860 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-10 19:07:49,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:49,921 INFO L255 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-10 19:07:49,922 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:07:50,195 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-11-10 19:07:50,195 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:07:50,391 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2024-11-10 19:07:50,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:07:50,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990813282] [2024-11-10 19:07:50,391 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:07:50,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1348449432] [2024-11-10 19:07:50,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1348449432] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:07:50,391 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 19:07:50,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 13 [2024-11-10 19:07:50,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200576646] [2024-11-10 19:07:50,392 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 19:07:50,392 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-10 19:07:50,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:07:50,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-10 19:07:50,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2024-11-10 19:07:50,393 INFO L87 Difference]: Start difference. First operand 383 states and 455 transitions. Second operand has 14 states, 13 states have (on average 10.153846153846153) internal successors, (132), 14 states have internal predecessors, (132), 7 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (20), 6 states have call predecessors, (20), 7 states have call successors, (20) [2024-11-10 19:07:51,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:07:51,598 INFO L93 Difference]: Finished difference Result 388 states and 456 transitions. [2024-11-10 19:07:51,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-10 19:07:51,599 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 10.153846153846153) internal successors, (132), 14 states have internal predecessors, (132), 7 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (20), 6 states have call predecessors, (20), 7 states have call successors, (20) Word has length 114 [2024-11-10 19:07:51,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:07:51,600 INFO L225 Difference]: With dead ends: 388 [2024-11-10 19:07:51,600 INFO L226 Difference]: Without dead ends: 387 [2024-11-10 19:07:51,600 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 213 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=129, Invalid=423, Unknown=0, NotChecked=0, Total=552 [2024-11-10 19:07:51,601 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 521 mSDsluCounter, 446 mSDsCounter, 0 mSdLazyCounter, 790 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 522 SdHoareTripleChecker+Valid, 554 SdHoareTripleChecker+Invalid, 833 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 790 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:07:51,601 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [522 Valid, 554 Invalid, 833 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 790 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-10 19:07:51,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2024-11-10 19:07:51,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 383. [2024-11-10 19:07:51,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 295 states have (on average 1.3491525423728814) internal successors, (398), 353 states have internal predecessors, (398), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-10 19:07:51,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 452 transitions. [2024-11-10 19:07:51,627 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 452 transitions. Word has length 114 [2024-11-10 19:07:51,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:07:51,628 INFO L471 AbstractCegarLoop]: Abstraction has 383 states and 452 transitions. [2024-11-10 19:07:51,628 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 10.153846153846153) internal successors, (132), 14 states have internal predecessors, (132), 7 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (20), 6 states have call predecessors, (20), 7 states have call successors, (20) [2024-11-10 19:07:51,628 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 452 transitions. [2024-11-10 19:07:51,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-10 19:07:51,629 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:07:51,629 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 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] [2024-11-10 19:07:51,644 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2024-11-10 19:07:51,833 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2024-11-10 19:07:51,833 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-10 19:07:51,834 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:07:51,834 INFO L85 PathProgramCache]: Analyzing trace with hash 1983416442, now seen corresponding path program 1 times [2024-11-10 19:07:51,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:07:51,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584704773] [2024-11-10 19:07:51,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:07:51,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:07:51,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:51,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:07:51,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:51,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:07:51,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:51,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:07:51,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:51,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 19:07:51,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:51,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 19:07:51,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:51,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 19:07:51,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:51,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 19:07:51,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:51,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 19:07:51,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:52,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 19:07:52,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:52,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 19:07:52,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:52,006 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-11-10 19:07:52,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:07:52,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584704773] [2024-11-10 19:07:52,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584704773] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:07:52,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [78515171] [2024-11-10 19:07:52,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:07:52,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:07:52,007 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:07:52,008 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:07:52,010 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-10 19:07:52,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:52,073 INFO L255 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-10 19:07:52,074 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:07:52,173 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-11-10 19:07:52,173 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:07:52,318 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-11-10 19:07:52,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [78515171] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:07:52,318 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:07:52,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 12 [2024-11-10 19:07:52,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410231331] [2024-11-10 19:07:52,319 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:07:52,319 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 19:07:52,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:07:52,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 19:07:52,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:07:52,321 INFO L87 Difference]: Start difference. First operand 383 states and 452 transitions. Second operand has 12 states, 12 states have (on average 11.75) internal successors, (141), 11 states have internal predecessors, (141), 6 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2024-11-10 19:07:53,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:07:53,271 INFO L93 Difference]: Finished difference Result 791 states and 902 transitions. [2024-11-10 19:07:53,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-10 19:07:53,272 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 11.75) internal successors, (141), 11 states have internal predecessors, (141), 6 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) Word has length 117 [2024-11-10 19:07:53,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:07:53,275 INFO L225 Difference]: With dead ends: 791 [2024-11-10 19:07:53,275 INFO L226 Difference]: Without dead ends: 762 [2024-11-10 19:07:53,275 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 265 GetRequests, 245 SyntacticMatches, 4 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2024-11-10 19:07:53,276 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 596 mSDsluCounter, 1102 mSDsCounter, 0 mSdLazyCounter, 1116 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 606 SdHoareTripleChecker+Valid, 1234 SdHoareTripleChecker+Invalid, 1132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-10 19:07:53,276 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [606 Valid, 1234 Invalid, 1132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1116 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-10 19:07:53,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 762 states. [2024-11-10 19:07:53,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 762 to 551. [2024-11-10 19:07:53,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 551 states, 451 states have (on average 1.4944567627494456) internal successors, (674), 509 states have internal predecessors, (674), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-10 19:07:53,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 551 states and 752 transitions. [2024-11-10 19:07:53,305 INFO L78 Accepts]: Start accepts. Automaton has 551 states and 752 transitions. Word has length 117 [2024-11-10 19:07:53,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:07:53,306 INFO L471 AbstractCegarLoop]: Abstraction has 551 states and 752 transitions. [2024-11-10 19:07:53,306 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 11.75) internal successors, (141), 11 states have internal predecessors, (141), 6 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2024-11-10 19:07:53,306 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 752 transitions. [2024-11-10 19:07:53,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-10 19:07:53,307 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:07:53,307 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:07:53,323 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2024-11-10 19:07:53,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-11-10 19:07:53,508 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-10 19:07:53,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:07:53,508 INFO L85 PathProgramCache]: Analyzing trace with hash 656659586, now seen corresponding path program 1 times [2024-11-10 19:07:53,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:07:53,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350241810] [2024-11-10 19:07:53,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:07:53,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:07:53,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:53,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:07:53,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:53,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 19:07:53,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:53,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 19:07:53,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:53,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 19:07:53,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:53,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 19:07:53,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:53,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 19:07:53,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:53,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 19:07:53,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:53,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 19:07:53,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:53,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 19:07:53,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:53,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 19:07:53,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:53,802 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-11-10 19:07:53,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:07:53,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350241810] [2024-11-10 19:07:53,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350241810] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:07:53,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1893371413] [2024-11-10 19:07:53,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:07:53,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:07:53,804 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:07:53,805 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:07:53,806 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-11-10 19:07:53,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:53,869 INFO L255 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-10 19:07:53,874 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:07:54,039 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 19:07:54,040 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:07:54,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1893371413] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:07:54,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:07:54,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [11] total 17 [2024-11-10 19:07:54,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89188998] [2024-11-10 19:07:54,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:07:54,041 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 19:07:54,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:07:54,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 19:07:54,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2024-11-10 19:07:54,042 INFO L87 Difference]: Start difference. First operand 551 states and 752 transitions. Second operand has 8 states, 7 states have (on average 11.0) internal successors, (77), 8 states have internal predecessors, (77), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-10 19:07:55,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:07:55,897 INFO L93 Difference]: Finished difference Result 1035 states and 1355 transitions. [2024-11-10 19:07:55,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-10 19:07:55,898 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 11.0) internal successors, (77), 8 states have internal predecessors, (77), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 121 [2024-11-10 19:07:55,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:07:55,900 INFO L225 Difference]: With dead ends: 1035 [2024-11-10 19:07:55,900 INFO L226 Difference]: Without dead ends: 1034 [2024-11-10 19:07:55,901 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=152, Invalid=660, Unknown=0, NotChecked=0, Total=812 [2024-11-10 19:07:55,901 INFO L432 NwaCegarLoop]: 201 mSDtfsCounter, 903 mSDsluCounter, 528 mSDsCounter, 0 mSdLazyCounter, 638 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 908 SdHoareTripleChecker+Valid, 729 SdHoareTripleChecker+Invalid, 680 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 638 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-10 19:07:55,901 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [908 Valid, 729 Invalid, 680 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 638 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-10 19:07:55,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1034 states. [2024-11-10 19:07:55,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1034 to 766. [2024-11-10 19:07:55,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 766 states, 650 states have (on average 1.5769230769230769) internal successors, (1025), 708 states have internal predecessors, (1025), 55 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2024-11-10 19:07:55,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 766 states and 1135 transitions. [2024-11-10 19:07:55,947 INFO L78 Accepts]: Start accepts. Automaton has 766 states and 1135 transitions. Word has length 121 [2024-11-10 19:07:55,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:07:55,947 INFO L471 AbstractCegarLoop]: Abstraction has 766 states and 1135 transitions. [2024-11-10 19:07:55,947 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 11.0) internal successors, (77), 8 states have internal predecessors, (77), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-10 19:07:55,948 INFO L276 IsEmpty]: Start isEmpty. Operand 766 states and 1135 transitions. [2024-11-10 19:07:55,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-10 19:07:55,948 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:07:55,948 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:07:55,965 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2024-11-10 19:07:56,152 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-11-10 19:07:56,153 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-10 19:07:56,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:07:56,153 INFO L85 PathProgramCache]: Analyzing trace with hash -1118389216, now seen corresponding path program 1 times [2024-11-10 19:07:56,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:07:56,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833449868] [2024-11-10 19:07:56,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:07:56,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:07:56,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:07:56,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [641635339] [2024-11-10 19:07:56,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:07:56,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:07:56,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:07:56,172 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:07:56,173 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-11-10 19:07:56,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:56,245 INFO L255 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-10 19:07:56,246 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:07:56,356 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 19:07:56,357 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:07:56,496 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 19:07:56,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:07:56,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833449868] [2024-11-10 19:07:56,497 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:07:56,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [641635339] [2024-11-10 19:07:56,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [641635339] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:07:56,497 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 19:07:56,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-10 19:07:56,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387265682] [2024-11-10 19:07:56,498 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 19:07:56,498 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 19:07:56,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:07:56,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 19:07:56,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:07:56,499 INFO L87 Difference]: Start difference. First operand 766 states and 1135 transitions. Second operand has 10 states, 9 states have (on average 16.444444444444443) internal successors, (148), 10 states have internal predecessors, (148), 5 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 5 states have call predecessors, (19), 5 states have call successors, (19) [2024-11-10 19:07:57,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:07:57,622 INFO L93 Difference]: Finished difference Result 1200 states and 1748 transitions. [2024-11-10 19:07:57,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 19:07:57,623 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 16.444444444444443) internal successors, (148), 10 states have internal predecessors, (148), 5 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 5 states have call predecessors, (19), 5 states have call successors, (19) Word has length 122 [2024-11-10 19:07:57,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:07:57,627 INFO L225 Difference]: With dead ends: 1200 [2024-11-10 19:07:57,627 INFO L226 Difference]: Without dead ends: 1199 [2024-11-10 19:07:57,628 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 249 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2024-11-10 19:07:57,628 INFO L432 NwaCegarLoop]: 189 mSDtfsCounter, 851 mSDsluCounter, 428 mSDsCounter, 0 mSdLazyCounter, 610 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 852 SdHoareTripleChecker+Valid, 617 SdHoareTripleChecker+Invalid, 654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 610 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:07:57,629 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [852 Valid, 617 Invalid, 654 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 610 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-10 19:07:57,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1199 states. [2024-11-10 19:07:57,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1199 to 937. [2024-11-10 19:07:57,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 937 states, 809 states have (on average 1.6007416563658838) internal successors, (1295), 867 states have internal predecessors, (1295), 67 states have call successors, (67), 2 states have call predecessors, (67), 2 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2024-11-10 19:07:57,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 937 states to 937 states and 1429 transitions. [2024-11-10 19:07:57,687 INFO L78 Accepts]: Start accepts. Automaton has 937 states and 1429 transitions. Word has length 122 [2024-11-10 19:07:57,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:07:57,687 INFO L471 AbstractCegarLoop]: Abstraction has 937 states and 1429 transitions. [2024-11-10 19:07:57,687 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 16.444444444444443) internal successors, (148), 10 states have internal predecessors, (148), 5 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 5 states have call predecessors, (19), 5 states have call successors, (19) [2024-11-10 19:07:57,687 INFO L276 IsEmpty]: Start isEmpty. Operand 937 states and 1429 transitions. [2024-11-10 19:07:57,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-10 19:07:57,689 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:07:57,690 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:07:57,706 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2024-11-10 19:07:57,893 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-11-10 19:07:57,894 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-10 19:07:57,894 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:07:57,894 INFO L85 PathProgramCache]: Analyzing trace with hash -1395668107, now seen corresponding path program 1 times [2024-11-10 19:07:57,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:07:57,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763970820] [2024-11-10 19:07:57,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:07:57,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:07:57,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:07:57,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [102532769] [2024-11-10 19:07:57,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:07:57,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:07:57,910 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:07:57,912 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:07:57,913 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-11-10 19:07:57,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:07:57,984 INFO L255 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-10 19:07:57,986 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:07:58,523 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 6 proven. 29 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-11-10 19:07:58,523 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:07:58,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:07:58,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763970820] [2024-11-10 19:07:58,710 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:07:58,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [102532769] [2024-11-10 19:07:58,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [102532769] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:07:58,710 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:07:58,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-10 19:07:58,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033429925] [2024-11-10 19:07:58,711 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:07:58,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 19:07:58,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:07:58,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 19:07:58,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2024-11-10 19:07:58,712 INFO L87 Difference]: Start difference. First operand 937 states and 1429 transitions. Second operand has 12 states, 10 states have (on average 8.2) internal successors, (82), 10 states have internal predecessors, (82), 6 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) [2024-11-10 19:07:59,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:07:59,940 INFO L93 Difference]: Finished difference Result 1030 states and 1542 transitions. [2024-11-10 19:07:59,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-10 19:07:59,941 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 8.2) internal successors, (82), 10 states have internal predecessors, (82), 6 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) Word has length 128 [2024-11-10 19:07:59,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:07:59,945 INFO L225 Difference]: With dead ends: 1030 [2024-11-10 19:07:59,945 INFO L226 Difference]: Without dead ends: 1027 [2024-11-10 19:07:59,946 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=126, Invalid=426, Unknown=0, NotChecked=0, Total=552 [2024-11-10 19:07:59,947 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 736 mSDsluCounter, 343 mSDsCounter, 0 mSdLazyCounter, 1142 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 741 SdHoareTripleChecker+Valid, 425 SdHoareTripleChecker+Invalid, 1185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 1142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:07:59,947 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [741 Valid, 425 Invalid, 1185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 1142 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-10 19:07:59,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1027 states. [2024-11-10 19:07:59,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1027 to 991. [2024-11-10 19:07:59,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 991 states, 859 states have (on average 1.6041909196740396) internal successors, (1378), 917 states have internal predecessors, (1378), 71 states have call successors, (71), 2 states have call predecessors, (71), 2 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2024-11-10 19:07:59,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 991 states and 1520 transitions. [2024-11-10 19:07:59,995 INFO L78 Accepts]: Start accepts. Automaton has 991 states and 1520 transitions. Word has length 128 [2024-11-10 19:07:59,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:07:59,997 INFO L471 AbstractCegarLoop]: Abstraction has 991 states and 1520 transitions. [2024-11-10 19:07:59,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 8.2) internal successors, (82), 10 states have internal predecessors, (82), 6 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) [2024-11-10 19:07:59,998 INFO L276 IsEmpty]: Start isEmpty. Operand 991 states and 1520 transitions. [2024-11-10 19:07:59,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-10 19:07:59,999 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:07:59,999 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:08:00,017 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2024-11-10 19:08:00,203 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-11-10 19:08:00,204 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-10 19:08:00,204 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:08:00,204 INFO L85 PathProgramCache]: Analyzing trace with hash -316038264, now seen corresponding path program 1 times [2024-11-10 19:08:00,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:08:00,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218200739] [2024-11-10 19:08:00,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:08:00,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:08:00,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:08:00,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1863202204] [2024-11-10 19:08:00,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:08:00,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:08:00,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:08:00,222 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:08:00,225 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-11-10 19:08:00,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:00,300 INFO L255 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-10 19:08:00,302 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:08:00,973 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-11-10 19:08:00,973 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:08:01,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:08:01,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218200739] [2024-11-10 19:08:01,987 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:08:01,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1863202204] [2024-11-10 19:08:01,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1863202204] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:08:01,987 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:08:01,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-10 19:08:01,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843495152] [2024-11-10 19:08:01,987 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:08:01,987 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 19:08:01,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:08:01,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 19:08:01,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2024-11-10 19:08:01,988 INFO L87 Difference]: Start difference. First operand 991 states and 1520 transitions. Second operand has 12 states, 10 states have (on average 8.3) internal successors, (83), 10 states have internal predecessors, (83), 6 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) [2024-11-10 19:08:02,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:08:02,955 INFO L93 Difference]: Finished difference Result 1028 states and 1538 transitions. [2024-11-10 19:08:02,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-10 19:08:02,956 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 8.3) internal successors, (83), 10 states have internal predecessors, (83), 6 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) Word has length 129 [2024-11-10 19:08:02,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:08:02,958 INFO L225 Difference]: With dead ends: 1028 [2024-11-10 19:08:02,958 INFO L226 Difference]: Without dead ends: 1027 [2024-11-10 19:08:02,959 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=126, Invalid=426, Unknown=0, NotChecked=0, Total=552 [2024-11-10 19:08:02,959 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 527 mSDsluCounter, 406 mSDsCounter, 0 mSdLazyCounter, 1232 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 532 SdHoareTripleChecker+Valid, 488 SdHoareTripleChecker+Invalid, 1261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-10 19:08:02,959 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [532 Valid, 488 Invalid, 1261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1232 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-10 19:08:02,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1027 states. [2024-11-10 19:08:02,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1027 to 991. [2024-11-10 19:08:02,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 991 states, 859 states have (on average 1.6018626309662398) internal successors, (1376), 917 states have internal predecessors, (1376), 71 states have call successors, (71), 2 states have call predecessors, (71), 2 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2024-11-10 19:08:02,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 991 states and 1518 transitions. [2024-11-10 19:08:02,994 INFO L78 Accepts]: Start accepts. Automaton has 991 states and 1518 transitions. Word has length 129 [2024-11-10 19:08:02,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:08:02,994 INFO L471 AbstractCegarLoop]: Abstraction has 991 states and 1518 transitions. [2024-11-10 19:08:02,995 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 8.3) internal successors, (83), 10 states have internal predecessors, (83), 6 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) [2024-11-10 19:08:02,995 INFO L276 IsEmpty]: Start isEmpty. Operand 991 states and 1518 transitions. [2024-11-10 19:08:02,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-10 19:08:02,995 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:08:02,995 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:08:03,012 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2024-11-10 19:08:03,196 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,36 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:08:03,196 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-10 19:08:03,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:08:03,196 INFO L85 PathProgramCache]: Analyzing trace with hash -1207251501, now seen corresponding path program 1 times [2024-11-10 19:08:03,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:08:03,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022257747] [2024-11-10 19:08:03,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:08:03,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:08:03,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:08:03,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1141534685] [2024-11-10 19:08:03,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:08:03,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:08:03,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:08:03,213 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:08:03,214 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-11-10 19:08:03,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:03,277 INFO L255 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-10 19:08:03,279 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:08:03,611 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 3 proven. 34 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-11-10 19:08:03,611 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:08:03,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:08:03,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022257747] [2024-11-10 19:08:03,670 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:08:03,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1141534685] [2024-11-10 19:08:03,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1141534685] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:08:03,670 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:08:03,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-10 19:08:03,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630806145] [2024-11-10 19:08:03,671 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:08:03,671 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 19:08:03,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:08:03,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 19:08:03,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:08:03,672 INFO L87 Difference]: Start difference. First operand 991 states and 1518 transitions. Second operand has 8 states, 7 states have (on average 12.0) internal successors, (84), 7 states have internal predecessors, (84), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-10 19:08:04,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:08:04,021 INFO L93 Difference]: Finished difference Result 1142 states and 1730 transitions. [2024-11-10 19:08:04,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 19:08:04,022 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 12.0) internal successors, (84), 7 states have internal predecessors, (84), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) Word has length 130 [2024-11-10 19:08:04,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:08:04,025 INFO L225 Difference]: With dead ends: 1142 [2024-11-10 19:08:04,025 INFO L226 Difference]: Without dead ends: 1140 [2024-11-10 19:08:04,026 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-10 19:08:04,026 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 328 mSDsluCounter, 367 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 337 SdHoareTripleChecker+Valid, 468 SdHoareTripleChecker+Invalid, 380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:08:04,026 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [337 Valid, 468 Invalid, 380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 369 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:08:04,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1140 states. [2024-11-10 19:08:04,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1140 to 1101. [2024-11-10 19:08:04,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1101 states, 960 states have (on average 1.6166666666666667) internal successors, (1552), 1018 states have internal predecessors, (1552), 80 states have call successors, (80), 2 states have call predecessors, (80), 2 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2024-11-10 19:08:04,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1101 states to 1101 states and 1712 transitions. [2024-11-10 19:08:04,080 INFO L78 Accepts]: Start accepts. Automaton has 1101 states and 1712 transitions. Word has length 130 [2024-11-10 19:08:04,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:08:04,080 INFO L471 AbstractCegarLoop]: Abstraction has 1101 states and 1712 transitions. [2024-11-10 19:08:04,081 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 12.0) internal successors, (84), 7 states have internal predecessors, (84), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-10 19:08:04,081 INFO L276 IsEmpty]: Start isEmpty. Operand 1101 states and 1712 transitions. [2024-11-10 19:08:04,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-10 19:08:04,081 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:08:04,082 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:08:04,098 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Ended with exit code 0 [2024-11-10 19:08:04,282 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:08:04,284 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-10 19:08:04,284 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:08:04,284 INFO L85 PathProgramCache]: Analyzing trace with hash 1229909222, now seen corresponding path program 1 times [2024-11-10 19:08:04,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:08:04,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805721030] [2024-11-10 19:08:04,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:08:04,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:08:04,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:08:04,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1779702239] [2024-11-10 19:08:04,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:08:04,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:08:04,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:08:04,302 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:08:04,304 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2024-11-10 19:08:04,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:04,382 INFO L255 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-10 19:08:04,383 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:08:04,737 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 3 proven. 35 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-11-10 19:08:04,737 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:08:05,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:08:05,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805721030] [2024-11-10 19:08:05,157 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:08:05,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1779702239] [2024-11-10 19:08:05,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1779702239] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:08:05,157 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:08:05,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-10 19:08:05,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958825178] [2024-11-10 19:08:05,158 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:08:05,158 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 19:08:05,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:08:05,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 19:08:05,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:08:05,159 INFO L87 Difference]: Start difference. First operand 1101 states and 1712 transitions. Second operand has 8 states, 7 states have (on average 12.142857142857142) internal successors, (85), 7 states have internal predecessors, (85), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-10 19:08:05,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:08:05,525 INFO L93 Difference]: Finished difference Result 1142 states and 1725 transitions. [2024-11-10 19:08:05,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 19:08:05,526 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 12.142857142857142) internal successors, (85), 7 states have internal predecessors, (85), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) Word has length 131 [2024-11-10 19:08:05,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:08:05,529 INFO L225 Difference]: With dead ends: 1142 [2024-11-10 19:08:05,529 INFO L226 Difference]: Without dead ends: 1140 [2024-11-10 19:08:05,529 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-10 19:08:05,530 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 313 mSDsluCounter, 457 mSDsCounter, 0 mSdLazyCounter, 440 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 322 SdHoareTripleChecker+Valid, 599 SdHoareTripleChecker+Invalid, 446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 440 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:08:05,530 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [322 Valid, 599 Invalid, 446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 440 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:08:05,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1140 states. [2024-11-10 19:08:05,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1140 to 1102. [2024-11-10 19:08:05,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1102 states, 961 states have (on average 1.6118626430801248) internal successors, (1549), 1019 states have internal predecessors, (1549), 80 states have call successors, (80), 2 states have call predecessors, (80), 2 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2024-11-10 19:08:05,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1102 states to 1102 states and 1709 transitions. [2024-11-10 19:08:05,572 INFO L78 Accepts]: Start accepts. Automaton has 1102 states and 1709 transitions. Word has length 131 [2024-11-10 19:08:05,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:08:05,572 INFO L471 AbstractCegarLoop]: Abstraction has 1102 states and 1709 transitions. [2024-11-10 19:08:05,572 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 12.142857142857142) internal successors, (85), 7 states have internal predecessors, (85), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-10 19:08:05,572 INFO L276 IsEmpty]: Start isEmpty. Operand 1102 states and 1709 transitions. [2024-11-10 19:08:05,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-10 19:08:05,573 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:08:05,573 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:08:05,585 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2024-11-10 19:08:05,773 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,38 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:08:05,774 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-10 19:08:05,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:08:05,774 INFO L85 PathProgramCache]: Analyzing trace with hash -527519695, now seen corresponding path program 1 times [2024-11-10 19:08:05,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:08:05,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712303800] [2024-11-10 19:08:05,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:08:05,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:08:05,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:08:05,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1852983351] [2024-11-10 19:08:05,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:08:05,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:08:05,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:08:05,792 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:08:05,794 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2024-11-10 19:08:05,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:05,861 INFO L255 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 19:08:05,863 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:08:05,974 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-10 19:08:05,974 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:08:14,277 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-10 19:08:14,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:08:14,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712303800] [2024-11-10 19:08:14,278 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:08:14,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1852983351] [2024-11-10 19:08:14,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1852983351] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:08:14,278 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 19:08:14,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2024-11-10 19:08:14,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054801549] [2024-11-10 19:08:14,278 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 19:08:14,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 19:08:14,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:08:14,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 19:08:14,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=17, Unknown=2, NotChecked=0, Total=30 [2024-11-10 19:08:14,279 INFO L87 Difference]: Start difference. First operand 1102 states and 1709 transitions. Second operand has 6 states, 5 states have (on average 17.6) internal successors, (88), 6 states have internal predecessors, (88), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-10 19:08:15,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:08:15,634 INFO L93 Difference]: Finished difference Result 1161 states and 1720 transitions. [2024-11-10 19:08:15,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 19:08:15,635 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.6) internal successors, (88), 6 states have internal predecessors, (88), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 132 [2024-11-10 19:08:15,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:08:15,638 INFO L225 Difference]: With dead ends: 1161 [2024-11-10 19:08:15,638 INFO L226 Difference]: Without dead ends: 1158 [2024-11-10 19:08:15,638 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 257 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 8.1s TimeCoverageRelationStatistics Valid=15, Invalid=25, Unknown=2, NotChecked=0, Total=42 [2024-11-10 19:08:15,639 INFO L432 NwaCegarLoop]: 175 mSDtfsCounter, 230 mSDsluCounter, 332 mSDsCounter, 0 mSdLazyCounter, 273 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 507 SdHoareTripleChecker+Invalid, 284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:08:15,639 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [235 Valid, 507 Invalid, 284 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 273 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-10 19:08:15,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1158 states. [2024-11-10 19:08:15,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1158 to 1105. [2024-11-10 19:08:15,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1105 states, 964 states have (on average 1.6068464730290457) internal successors, (1549), 1022 states have internal predecessors, (1549), 80 states have call successors, (80), 2 states have call predecessors, (80), 2 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2024-11-10 19:08:15,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1105 states to 1105 states and 1709 transitions. [2024-11-10 19:08:15,685 INFO L78 Accepts]: Start accepts. Automaton has 1105 states and 1709 transitions. Word has length 132 [2024-11-10 19:08:15,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:08:15,685 INFO L471 AbstractCegarLoop]: Abstraction has 1105 states and 1709 transitions. [2024-11-10 19:08:15,685 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.6) internal successors, (88), 6 states have internal predecessors, (88), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-10 19:08:15,685 INFO L276 IsEmpty]: Start isEmpty. Operand 1105 states and 1709 transitions. [2024-11-10 19:08:15,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-10 19:08:15,686 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:08:15,686 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:08:15,702 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Forceful destruction successful, exit code 0 [2024-11-10 19:08:15,887 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2024-11-10 19:08:15,887 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-10 19:08:15,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:08:15,887 INFO L85 PathProgramCache]: Analyzing trace with hash 826758724, now seen corresponding path program 1 times [2024-11-10 19:08:15,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:08:15,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100197194] [2024-11-10 19:08:15,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:08:15,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:08:15,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:08:15,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1627965419] [2024-11-10 19:08:15,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:08:15,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:08:15,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:08:15,902 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:08:15,903 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2024-11-10 19:08:15,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:15,964 INFO L255 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 19:08:15,965 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:08:16,104 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-10 19:08:16,104 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:08:24,887 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-10 19:08:24,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:08:24,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100197194] [2024-11-10 19:08:24,887 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:08:24,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1627965419] [2024-11-10 19:08:24,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1627965419] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:08:24,888 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 19:08:24,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2024-11-10 19:08:24,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098447416] [2024-11-10 19:08:24,888 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 19:08:24,888 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 19:08:24,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:08:24,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 19:08:24,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=17, Unknown=2, NotChecked=0, Total=30 [2024-11-10 19:08:24,889 INFO L87 Difference]: Start difference. First operand 1105 states and 1709 transitions. Second operand has 6 states, 5 states have (on average 17.8) internal successors, (89), 6 states have internal predecessors, (89), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-10 19:08:27,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:08:27,055 INFO L93 Difference]: Finished difference Result 1161 states and 1714 transitions. [2024-11-10 19:08:27,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 19:08:27,055 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.8) internal successors, (89), 6 states have internal predecessors, (89), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 133 [2024-11-10 19:08:27,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:08:27,059 INFO L225 Difference]: With dead ends: 1161 [2024-11-10 19:08:27,059 INFO L226 Difference]: Without dead ends: 1156 [2024-11-10 19:08:27,059 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 265 GetRequests, 259 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 8.7s TimeCoverageRelationStatistics Valid=15, Invalid=25, Unknown=2, NotChecked=0, Total=42 [2024-11-10 19:08:27,060 INFO L432 NwaCegarLoop]: 181 mSDtfsCounter, 113 mSDsluCounter, 437 mSDsCounter, 0 mSdLazyCounter, 354 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 618 SdHoareTripleChecker+Invalid, 357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:08:27,060 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 618 Invalid, 357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 354 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-10 19:08:27,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1156 states. [2024-11-10 19:08:27,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1156 to 1104. [2024-11-10 19:08:27,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1104 states, 963 states have (on average 1.601246105919003) internal successors, (1542), 1021 states have internal predecessors, (1542), 80 states have call successors, (80), 2 states have call predecessors, (80), 2 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2024-11-10 19:08:27,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1104 states to 1104 states and 1702 transitions. [2024-11-10 19:08:27,105 INFO L78 Accepts]: Start accepts. Automaton has 1104 states and 1702 transitions. Word has length 133 [2024-11-10 19:08:27,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:08:27,105 INFO L471 AbstractCegarLoop]: Abstraction has 1104 states and 1702 transitions. [2024-11-10 19:08:27,105 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.8) internal successors, (89), 6 states have internal predecessors, (89), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-10 19:08:27,105 INFO L276 IsEmpty]: Start isEmpty. Operand 1104 states and 1702 transitions. [2024-11-10 19:08:27,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-10 19:08:27,106 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:08:27,106 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 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, 1, 1, 1, 1, 1, 1] [2024-11-10 19:08:27,118 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Ended with exit code 0 [2024-11-10 19:08:27,306 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2024-11-10 19:08:27,306 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-10 19:08:27,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:08:27,307 INFO L85 PathProgramCache]: Analyzing trace with hash 1499171088, now seen corresponding path program 1 times [2024-11-10 19:08:27,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:08:27,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31157498] [2024-11-10 19:08:27,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:08:27,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:08:27,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:08:27,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1601794797] [2024-11-10 19:08:27,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:08:27,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:08:27,329 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:08:27,331 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:08:27,333 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2024-11-10 19:08:27,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:08:27,395 INFO L255 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-10 19:08:27,396 INFO L278 TraceCheckSpWp]: Computing forward predicates...