./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loops/matrix-1.c --full-output --procedureinliner.inline.calls.to.implemented.procedures NEVER --traceabstraction.positions.where.we.compute.the.hoare.annotation All --witnessprinter.yaml.format.version 2.1 --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5189fb62 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/automizer/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/automizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/automizer/data -tc /storage/repos/certificate-witnesses-artifact/automizer/config/AutomizerReach.xml -i ../sv-benchmarks/c/loops/matrix-1.c -s /storage/repos/certificate-witnesses-artifact/automizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/certificate-witnesses-artifact/automizer --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 484b00968af178bafd1c632864ac68eeb543ca8851deb47f0795724cfa80a660 --procedureinliner.inline.calls.to.implemented.procedures NEVER --traceabstraction.positions.where.we.compute.the.hoare.annotation All --witnessprinter.yaml.format.version 2.1 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-5189fb6-m [2024-09-12 20:58:51,894 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-12 20:58:51,980 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/automizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-09-12 20:58:51,985 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-12 20:58:51,987 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-12 20:58:52,016 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-12 20:58:52,017 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-12 20:58:52,017 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-12 20:58:52,018 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-12 20:58:52,018 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-12 20:58:52,018 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-12 20:58:52,019 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-12 20:58:52,019 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-12 20:58:52,020 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-12 20:58:52,020 INFO L153 SettingsManager]: * Use SBE=true [2024-09-12 20:58:52,020 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-12 20:58:52,021 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-12 20:58:52,025 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-12 20:58:52,026 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-12 20:58:52,026 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-12 20:58:52,026 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-12 20:58:52,027 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-12 20:58:52,027 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-12 20:58:52,027 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-12 20:58:52,027 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-12 20:58:52,028 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-12 20:58:52,028 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-12 20:58:52,028 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-12 20:58:52,028 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-12 20:58:52,029 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-12 20:58:52,029 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-12 20:58:52,029 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-12 20:58:52,029 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 20:58:52,030 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-12 20:58:52,030 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-12 20:58:52,032 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-12 20:58:52,033 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-12 20:58:52,033 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-12 20:58:52,034 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-12 20:58:52,034 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-12 20:58:52,034 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-12 20:58:52,035 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-12 20:58:52,035 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/certificate-witnesses-artifact/automizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/certificate-witnesses-artifact/automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 484b00968af178bafd1c632864ac68eeb543ca8851deb47f0795724cfa80a660 Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> All Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: YAML Format version -> 2.1 [2024-09-12 20:58:52,249 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-12 20:58:52,272 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-12 20:58:52,275 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-12 20:58:52,276 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-12 20:58:52,277 INFO L274 PluginConnector]: CDTParser initialized [2024-09-12 20:58:52,278 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/automizer/../sv-benchmarks/c/loops/matrix-1.c [2024-09-12 20:58:53,728 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-12 20:58:53,901 INFO L384 CDTParser]: Found 1 translation units. [2024-09-12 20:58:53,901 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loops/matrix-1.c [2024-09-12 20:58:53,906 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/automizer/data/022c40db2/1b245e0e59fb46d99168706e62c629d1/FLAGf930f3d80 [2024-09-12 20:58:54,306 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/automizer/data/022c40db2/1b245e0e59fb46d99168706e62c629d1 [2024-09-12 20:58:54,308 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-12 20:58:54,309 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-09-12 20:58:54,310 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-12 20:58:54,310 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-12 20:58:54,315 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-12 20:58:54,315 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 08:58:54" (1/1) ... [2024-09-12 20:58:54,316 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e9c2e34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:58:54, skipping insertion in model container [2024-09-12 20:58:54,316 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 08:58:54" (1/1) ... [2024-09-12 20:58:54,331 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-12 20:58:54,480 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loops/matrix-1.c[320,333] [2024-09-12 20:58:54,499 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 20:58:54,508 INFO L200 MainTranslator]: Completed pre-run [2024-09-12 20:58:54,520 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loops/matrix-1.c[320,333] [2024-09-12 20:58:54,531 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 20:58:54,548 INFO L204 MainTranslator]: Completed translation [2024-09-12 20:58:54,548 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:58:54 WrapperNode [2024-09-12 20:58:54,548 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-12 20:58:54,549 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-12 20:58:54,550 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-12 20:58:54,550 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-12 20:58:54,556 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:58:54" (1/1) ... [2024-09-12 20:58:54,561 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:58:54" (1/1) ... [2024-09-12 20:58:54,567 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-09-12 20:58:54,567 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-12 20:58:54,568 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-12 20:58:54,568 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-12 20:58:54,568 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-12 20:58:54,578 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:58:54" (1/1) ... [2024-09-12 20:58:54,578 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:58:54" (1/1) ... [2024-09-12 20:58:54,586 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:58:54" (1/1) ... [2024-09-12 20:58:54,599 INFO L175 MemorySlicer]: Split 6 memory accesses to 2 slices as follows [4, 2]. 67 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [0, 2]. The 1 writes are split as follows [1, 0]. [2024-09-12 20:58:54,599 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:58:54" (1/1) ... [2024-09-12 20:58:54,599 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:58:54" (1/1) ... [2024-09-12 20:58:54,603 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:58:54" (1/1) ... [2024-09-12 20:58:54,610 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:58:54" (1/1) ... [2024-09-12 20:58:54,611 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:58:54" (1/1) ... [2024-09-12 20:58:54,615 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:58:54" (1/1) ... [2024-09-12 20:58:54,616 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-12 20:58:54,618 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-12 20:58:54,618 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-12 20:58:54,618 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-12 20:58:54,619 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:58:54" (1/1) ... [2024-09-12 20:58:54,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 20:58:54,637 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 20:58:54,652 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/automizer/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-12 20:58:54,654 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-12 20:58:54,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-12 20:58:54,692 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-12 20:58:54,694 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-12 20:58:54,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-12 20:58:54,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-09-12 20:58:54,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-09-12 20:58:54,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-09-12 20:58:54,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-09-12 20:58:54,694 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-12 20:58:54,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-12 20:58:54,695 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-12 20:58:54,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-12 20:58:54,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-09-12 20:58:54,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-09-12 20:58:54,695 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-12 20:58:54,695 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-12 20:58:54,695 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-12 20:58:54,763 INFO L242 CfgBuilder]: Building ICFG [2024-09-12 20:58:54,766 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-12 20:58:54,926 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-09-12 20:58:54,926 INFO L291 CfgBuilder]: Performing block encoding [2024-09-12 20:58:54,952 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-12 20:58:54,952 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-12 20:58:54,953 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 08:58:54 BoogieIcfgContainer [2024-09-12 20:58:54,953 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-12 20:58:54,955 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-12 20:58:54,955 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-12 20:58:54,960 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-12 20:58:54,960 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.09 08:58:54" (1/3) ... [2024-09-12 20:58:54,961 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3017213b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.09 08:58:54, skipping insertion in model container [2024-09-12 20:58:54,961 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:58:54" (2/3) ... [2024-09-12 20:58:54,962 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3017213b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.09 08:58:54, skipping insertion in model container [2024-09-12 20:58:54,962 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 08:58:54" (3/3) ... [2024-09-12 20:58:54,963 INFO L112 eAbstractionObserver]: Analyzing ICFG matrix-1.c [2024-09-12 20:58:54,975 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-12 20:58:54,976 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-09-12 20:58:55,038 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-09-12 20:58:55,045 INFO L336 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=All, 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;@6e1ce229, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-12 20:58:55,046 INFO L337 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-09-12 20:58:55,051 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 14 states have (on average 1.5) internal successors, (21), 15 states have internal predecessors, (21), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-09-12 20:58:55,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-09-12 20:58:55,078 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 20:58:55,079 INFO L216 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 20:58:55,079 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-12 20:58:55,087 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 20:58:55,088 INFO L85 PathProgramCache]: Analyzing trace with hash -678949559, now seen corresponding path program 1 times [2024-09-12 20:58:55,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 20:58:55,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002878541] [2024-09-12 20:58:55,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 20:58:55,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 20:58:55,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 20:58:55,462 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 20:58:55,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 20:58:55,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 20:58:55,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 20:58:55,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002878541] [2024-09-12 20:58:55,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002878541] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 20:58:55,484 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 20:58:55,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-12 20:58:55,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427769327] [2024-09-12 20:58:55,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 20:58:55,490 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-12 20:58:55,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 20:58:55,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-12 20:58:55,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-12 20:58:55,517 INFO L87 Difference]: Start difference. First operand has 22 states, 14 states have (on average 1.5) internal successors, (21), 15 states have internal predecessors, (21), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 20:58:55,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 20:58:55,571 INFO L93 Difference]: Finished difference Result 44 states and 60 transitions. [2024-09-12 20:58:55,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-12 20:58:55,574 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2024-09-12 20:58:55,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 20:58:55,580 INFO L225 Difference]: With dead ends: 44 [2024-09-12 20:58:55,580 INFO L226 Difference]: Without dead ends: 21 [2024-09-12 20:58:55,583 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-12 20:58:55,588 INFO L434 NwaCegarLoop]: 18 mSDtfsCounter, 6 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-09-12 20:58:55,589 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 34 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-09-12 20:58:55,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2024-09-12 20:58:55,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 17. [2024-09-12 20:58:55,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 20:58:55,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2024-09-12 20:58:55,623 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 19 transitions. Word has length 11 [2024-09-12 20:58:55,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 20:58:55,623 INFO L474 AbstractCegarLoop]: Abstraction has 17 states and 19 transitions. [2024-09-12 20:58:55,623 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 20:58:55,625 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 20:58:55,626 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2024-09-12 20:58:55,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-09-12 20:58:55,627 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 20:58:55,627 INFO L216 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 20:58:55,628 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-12 20:58:55,628 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-12 20:58:55,629 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 20:58:55,629 INFO L85 PathProgramCache]: Analyzing trace with hash -1277768244, now seen corresponding path program 1 times [2024-09-12 20:58:55,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 20:58:55,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547889074] [2024-09-12 20:58:55,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 20:58:55,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 20:58:55,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 20:58:55,796 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 20:58:55,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 20:58:55,805 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 20:58:55,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 20:58:55,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547889074] [2024-09-12 20:58:55,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547889074] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 20:58:55,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 20:58:55,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-12 20:58:55,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163778588] [2024-09-12 20:58:55,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 20:58:55,807 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-12 20:58:55,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 20:58:55,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-12 20:58:55,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-09-12 20:58:55,812 INFO L87 Difference]: Start difference. First operand 17 states and 19 transitions. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 20:58:55,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 20:58:55,851 INFO L93 Difference]: Finished difference Result 31 states and 37 transitions. [2024-09-12 20:58:55,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-12 20:58:55,853 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2024-09-12 20:58:55,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 20:58:55,854 INFO L225 Difference]: With dead ends: 31 [2024-09-12 20:58:55,855 INFO L226 Difference]: Without dead ends: 20 [2024-09-12 20:58:55,855 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-09-12 20:58:55,856 INFO L434 NwaCegarLoop]: 13 mSDtfsCounter, 12 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-09-12 20:58:55,856 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 31 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-09-12 20:58:55,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2024-09-12 20:58:55,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 18. [2024-09-12 20:58:55,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 13 states have internal predecessors, (16), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 20:58:55,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 20 transitions. [2024-09-12 20:58:55,862 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 20 transitions. Word has length 14 [2024-09-12 20:58:55,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 20:58:55,862 INFO L474 AbstractCegarLoop]: Abstraction has 18 states and 20 transitions. [2024-09-12 20:58:55,862 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 20:58:55,862 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 20:58:55,863 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2024-09-12 20:58:55,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-09-12 20:58:55,863 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 20:58:55,863 INFO L216 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 20:58:55,863 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-09-12 20:58:55,863 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-12 20:58:55,864 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 20:58:55,864 INFO L85 PathProgramCache]: Analyzing trace with hash 1540093954, now seen corresponding path program 1 times [2024-09-12 20:58:55,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 20:58:55,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099179764] [2024-09-12 20:58:55,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 20:58:55,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 20:58:55,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-09-12 20:58:55,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1119177782] [2024-09-12 20:58:55,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 20:58:55,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 20:58:55,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 20:58:55,908 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-12 20:58:55,910 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-09-12 20:58:55,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 20:58:55,986 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-09-12 20:58:55,994 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 20:58:56,097 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-09-12 20:58:56,146 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-09-12 20:58:56,184 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 20:58:56,185 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 20:58:56,583 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 133 treesize of output 125 [2024-09-12 20:58:56,633 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-09-12 20:58:56,634 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 4 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 125 treesize of output 570 [2024-09-12 21:00:56,548 WARN L293 SmtUtils]: Spent 1.95m on a formula simplification. DAG size of input: 809 DAG size of output: 249 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-09-12 21:00:56,549 INFO L349 Elim1Store]: treesize reduction 6401, result has 15.4 percent of original size [2024-09-12 21:00:56,551 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 18 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 22 new quantified variables, introduced 123 case distinctions, treesize of input 7103 treesize of output 23123 [2024-09-12 21:02:09,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-12 21:02:09,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-12 21:02:09,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-12 21:02:09,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-12 21:02:09,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-12 21:02:09,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-12 21:02:09,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-12 21:02:09,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-12 21:02:09,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-12 21:02:09,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-12 21:02:09,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-12 21:02:09,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-12 21:02:09,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-12 21:02:09,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-12 21:02:09,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-12 21:02:10,001 INFO L224 Elim1Store]: Index analysis took 670 ms [2024-09-12 21:02:10,008 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 15 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1073 treesize of output 7639 [2024-09-12 21:02:21,011 WARN L293 SmtUtils]: Spent 5.20s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-09-12 21:02:26,048 INFO L173 IndexEqualityManager]: detected equality via solver [2024-09-12 21:02:26,087 INFO L173 IndexEqualityManager]: detected equality via solver [2024-09-12 21:02:26,552 INFO L173 IndexEqualityManager]: detected equality via solver [2024-09-12 21:03:08,350 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (let ((.cse0 (* (mod main_~j~0 4294967296) 4)) (.cse1 (* (mod main_~k~0 4294967296) 4))) (= (select v_arrayElimArr_19 (+ .cse0 .cse1 |main_~#matriz~0.offset|)) (select v_arrayElimArr_11 (+ (- 17179869184) .cse0 .cse1 |main_~#matriz~0.offset|)))) [2024-09-12 21:03:34,300 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (let ((.cse0 (+ (- 17179869184) (* (mod main_~j~0 4294967296) 4) (* (mod main_~k~0 4294967296) 4) |main_~#matriz~0.offset|))) (= (select v_arrayElimArr_12 .cse0) (select v_arrayElimArr_14 .cse0))) [2024-09-12 21:03:41,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-12 21:03:45,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-12 21:03:46,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-12 21:03:47,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-12 21:03:49,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-12 21:03:55,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-12 21:04:22,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-12 21:04:27,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-12 21:04:28,405 INFO L224 Elim1Store]: Index analysis took 122889 ms [2024-09-12 21:04:34,540 WARN L293 SmtUtils]: Spent 6.11s on a formula simplification. DAG size of input: 210 DAG size of output: 1 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-09-12 21:04:34,541 INFO L349 Elim1Store]: treesize reduction 2527, result has 0.0 percent of original size [2024-09-12 21:04:34,542 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 15 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 36 case distinctions, treesize of input 2281 treesize of output 19777 [2024-09-12 21:05:28,808 WARN L293 SmtUtils]: Spent 6.87s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-09-12 21:06:08,343 WARN L293 SmtUtils]: Spent 6.73s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-09-12 21:07:33,323 WARN L293 SmtUtils]: Spent 11.03s on a formula simplification that was a NOOP. DAG size: 43 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-09-12 21:07:40,848 WARN L293 SmtUtils]: Spent 7.47s on a formula simplification that was a NOOP. DAG size: 41 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-09-12 21:07:50,751 WARN L293 SmtUtils]: Spent 9.89s on a formula simplification that was a NOOP. DAG size: 39 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-09-12 21:08:13,903 INFO L224 Elim1Store]: Index analysis took 12874 ms [2024-09-12 21:08:21,549 WARN L293 SmtUtils]: Spent 7.46s on a formula simplification. DAG size of input: 201 DAG size of output: 20 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-09-12 21:08:21,550 INFO L349 Elim1Store]: treesize reduction 2164, result has 1.8 percent of original size [2024-09-12 21:08:21,550 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 7 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 30 case distinctions, treesize of input 4143 treesize of output 6623 [2024-09-12 21:08:40,639 WARN L293 SmtUtils]: Spent 9.65s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-09-12 21:09:11,960 WARN L293 SmtUtils]: Spent 6.94s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-09-12 21:09:36,033 WARN L293 SmtUtils]: Spent 9.11s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-09-12 21:09:47,869 WARN L293 SmtUtils]: Spent 10.91s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-09-12 21:10:05,000 WARN L293 SmtUtils]: Spent 5.78s on a formula simplification that was a NOOP. DAG size: 34 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-09-12 21:10:16,241 WARN L293 SmtUtils]: Spent 7.88s on a formula simplification that was a NOOP. DAG size: 43 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-09-12 21:10:23,403 WARN L293 SmtUtils]: Spent 7.16s on a formula simplification that was a NOOP. DAG size: 39 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-09-12 21:10:59,727 WARN L293 SmtUtils]: Spent 8.23s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-09-12 21:11:08,622 WARN L293 SmtUtils]: Spent 8.52s on a formula simplification that was a NOOP. DAG size: 43 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-09-12 21:11:18,994 WARN L293 SmtUtils]: Spent 6.95s on a formula simplification that was a NOOP. DAG size: 41 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-09-12 21:11:27,919 WARN L293 SmtUtils]: Spent 5.08s on a formula simplification that was a NOOP. DAG size: 30 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-09-12 21:11:33,446 WARN L293 SmtUtils]: Spent 5.51s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-09-12 21:11:33,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-12 21:11:33,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-12 21:11:33,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-12 21:11:33,944 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 4 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 335 treesize of output 526 [2024-09-12 21:11:34,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-12 21:11:34,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-12 21:11:34,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-12 21:11:34,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-12 21:11:34,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-12 21:11:34,073 INFO L349 Elim1Store]: treesize reduction 114, result has 13.6 percent of original size [2024-09-12 21:11:34,074 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 4 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 7 case distinctions, treesize of input 353 treesize of output 655 [2024-09-12 21:11:44,605 WARN L293 SmtUtils]: Spent 5.68s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-09-12 21:12:22,823 WARN L293 SmtUtils]: Spent 9.61s on a formula simplification that was a NOOP. DAG size: 41 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-09-12 21:12:30,847 WARN L293 SmtUtils]: Spent 8.02s on a formula simplification that was a NOOP. DAG size: 42 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-09-12 21:12:44,282 INFO L173 IndexEqualityManager]: detected equality via solver [2024-09-12 21:12:44,289 INFO L173 IndexEqualityManager]: detected equality via solver [2024-09-12 21:12:44,521 INFO L173 IndexEqualityManager]: detected equality via solver [2024-09-12 21:12:44,589 INFO L173 IndexEqualityManager]: detected equality via solver [2024-09-12 21:12:48,854 INFO L173 IndexEqualityManager]: detected equality via solver [2024-09-12 21:12:49,086 INFO L173 IndexEqualityManager]: detected equality via solver [2024-09-12 21:12:49,086 INFO L173 IndexEqualityManager]: detected equality via solver [2024-09-12 21:12:49,090 INFO L173 IndexEqualityManager]: detected equality via solver [2024-09-12 21:12:49,091 INFO L173 IndexEqualityManager]: detected equality via solver [2024-09-12 21:12:49,236 INFO L173 IndexEqualityManager]: detected equality via solver [2024-09-12 21:12:49,240 INFO L173 IndexEqualityManager]: detected equality via solver [2024-09-12 21:12:49,245 INFO L173 IndexEqualityManager]: detected equality via solver [2024-09-12 21:12:51,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-09-12 21:12:51,209 INFO L224 Elim1Store]: Index analysis took 5070 ms Killed by 15