/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/float-benchs/rlim_invariant.c.p+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 11:55:00,827 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 11:55:00,830 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 11:55:00,863 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-10-16 11:55:00,945 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 11:55:00,946 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 11:55:00,947 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 11:55:00,948 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 11:55:01,002 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 11:55:01,003 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 11:55:01,003 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 11:55:01,003 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 11:55:01,006 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 11:55:01,006 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 11:55:01,008 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 11:55:01,008 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 11:55:01,009 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 11:55:01,009 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 11:55:01,010 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 11:55:01,010 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 11:55:01,010 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 11:55:01,010 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 11:55:01,011 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 11:55:01,011 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 11:55:01,011 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 11:55:01,011 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 11:55:01,011 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 11:55:01,011 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 11:55:01,012 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 11:55:01,012 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 11:55:01,012 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 11:55:01,012 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 11:55:01,012 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 11:55:01,013 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 11:55:01,013 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 11:55:01,013 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 11:55:01,013 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 11:55:01,013 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 11:55:01,013 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 11:55:01,014 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 11:55:01,014 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 11:55:01,014 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 11:55:01,409 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 11:55:01,442 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 11:55:01,445 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 11:55:01,446 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 11:55:01,447 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 11:55:01,449 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/rlim_invariant.c.p+cfa-reducer.c [2022-10-16 11:55:01,532 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2305f6d7/2231f953158e447298d20c103f0bac8c/FLAGb0501ae9e [2022-10-16 11:55:02,140 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 11:55:02,141 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/rlim_invariant.c.p+cfa-reducer.c [2022-10-16 11:55:02,148 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2305f6d7/2231f953158e447298d20c103f0bac8c/FLAGb0501ae9e [2022-10-16 11:55:02,499 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2305f6d7/2231f953158e447298d20c103f0bac8c [2022-10-16 11:55:02,503 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 11:55:02,509 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 11:55:02,510 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 11:55:02,511 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 11:55:02,515 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 11:55:02,516 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 11:55:02" (1/1) ... [2022-10-16 11:55:02,518 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e1d5d78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:55:02, skipping insertion in model container [2022-10-16 11:55:02,518 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 11:55:02" (1/1) ... [2022-10-16 11:55:02,526 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 11:55:02,555 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 11:55:02,727 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/rlim_invariant.c.p+cfa-reducer.c[1464,1477] [2022-10-16 11:55:02,732 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 11:55:02,743 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 11:55:02,764 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/rlim_invariant.c.p+cfa-reducer.c[1464,1477] [2022-10-16 11:55:02,767 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 11:55:02,783 INFO L208 MainTranslator]: Completed translation [2022-10-16 11:55:02,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:55:02 WrapperNode [2022-10-16 11:55:02,784 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 11:55:02,785 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 11:55:02,785 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 11:55:02,786 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 11:55:02,795 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:55:02" (1/1) ... [2022-10-16 11:55:02,804 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:55:02" (1/1) ... [2022-10-16 11:55:02,825 INFO L138 Inliner]: procedures = 14, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 82 [2022-10-16 11:55:02,826 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 11:55:02,826 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 11:55:02,827 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 11:55:02,827 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 11:55:02,836 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:55:02" (1/1) ... [2022-10-16 11:55:02,837 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:55:02" (1/1) ... [2022-10-16 11:55:02,838 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:55:02" (1/1) ... [2022-10-16 11:55:02,839 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:55:02" (1/1) ... [2022-10-16 11:55:02,843 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:55:02" (1/1) ... [2022-10-16 11:55:02,846 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:55:02" (1/1) ... [2022-10-16 11:55:02,847 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:55:02" (1/1) ... [2022-10-16 11:55:02,848 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:55:02" (1/1) ... [2022-10-16 11:55:02,850 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 11:55:02,851 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 11:55:02,851 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 11:55:02,852 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 11:55:02,852 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:55:02" (1/1) ... [2022-10-16 11:55:02,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 11:55:02,877 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 11:55:02,897 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 11:55:02,910 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 11:55:02,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 11:55:02,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 11:55:02,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 11:55:02,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 11:55:03,082 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 11:55:03,085 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 11:55:03,365 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 11:55:03,376 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 11:55:03,376 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 11:55:03,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 11:55:03 BoogieIcfgContainer [2022-10-16 11:55:03,385 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 11:55:03,391 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 11:55:03,392 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 11:55:03,404 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 11:55:03,404 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 11:55:02" (1/3) ... [2022-10-16 11:55:03,405 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@116191f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 11:55:03, skipping insertion in model container [2022-10-16 11:55:03,405 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:55:02" (2/3) ... [2022-10-16 11:55:03,406 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@116191f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 11:55:03, skipping insertion in model container [2022-10-16 11:55:03,406 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 11:55:03" (3/3) ... [2022-10-16 11:55:03,410 INFO L112 eAbstractionObserver]: Analyzing ICFG rlim_invariant.c.p+cfa-reducer.c [2022-10-16 11:55:03,466 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 11:55:03,466 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-10-16 11:55:03,550 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 11:55:03,559 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@54c5f1d4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 11:55:03,559 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-10-16 11:55:03,565 INFO L276 IsEmpty]: Start isEmpty. Operand has 26 states, 23 states have (on average 1.608695652173913) internal successors, (37), 25 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 11:55:03,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-16 11:55:03,573 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:55:03,574 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:55:03,575 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-10-16 11:55:03,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:55:03,583 INFO L85 PathProgramCache]: Analyzing trace with hash -34829386, now seen corresponding path program 1 times [2022-10-16 11:55:03,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:55:03,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402737547] [2022-10-16 11:55:03,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:55:03,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:55:03,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:55:03,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 11:55:03,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:55:03,984 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402737547] [2022-10-16 11:55:03,985 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [402737547] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:55:03,985 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 11:55:03,985 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 11:55:03,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692852229] [2022-10-16 11:55:03,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:55:03,993 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 11:55:03,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:55:04,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 11:55:04,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 11:55:04,029 INFO L87 Difference]: Start difference. First operand has 26 states, 23 states have (on average 1.608695652173913) internal successors, (37), 25 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 11:55:04,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:55:04,073 INFO L93 Difference]: Finished difference Result 53 states and 74 transitions. [2022-10-16 11:55:04,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 11:55:04,076 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-10-16 11:55:04,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:55:04,086 INFO L225 Difference]: With dead ends: 53 [2022-10-16 11:55:04,086 INFO L226 Difference]: Without dead ends: 42 [2022-10-16 11:55:04,089 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 11:55:04,094 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 17 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 11:55:04,096 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 62 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 11:55:04,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2022-10-16 11:55:04,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2022-10-16 11:55:04,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 40 states have (on average 1.45) internal successors, (58), 41 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 11:55:04,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 58 transitions. [2022-10-16 11:55:04,144 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 58 transitions. Word has length 16 [2022-10-16 11:55:04,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:55:04,145 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 58 transitions. [2022-10-16 11:55:04,145 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 11:55:04,146 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 58 transitions. [2022-10-16 11:55:04,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-16 11:55:04,147 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:55:04,147 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2022-10-16 11:55:04,148 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 11:55:04,148 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-10-16 11:55:04,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:55:04,149 INFO L85 PathProgramCache]: Analyzing trace with hash 838956236, now seen corresponding path program 1 times [2022-10-16 11:55:04,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:55:04,150 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941010674] [2022-10-16 11:55:04,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:55:04,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:55:04,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:55:04,264 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-16 11:55:04,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:55:04,265 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941010674] [2022-10-16 11:55:04,265 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1941010674] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:55:04,265 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 11:55:04,269 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 11:55:04,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722244751] [2022-10-16 11:55:04,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:55:04,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 11:55:04,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:55:04,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 11:55:04,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 11:55:04,274 INFO L87 Difference]: Start difference. First operand 42 states and 58 transitions. Second operand has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 11:55:04,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:55:04,311 INFO L93 Difference]: Finished difference Result 42 states and 58 transitions. [2022-10-16 11:55:04,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 11:55:04,311 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2022-10-16 11:55:04,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:55:04,314 INFO L225 Difference]: With dead ends: 42 [2022-10-16 11:55:04,314 INFO L226 Difference]: Without dead ends: 41 [2022-10-16 11:55:04,315 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 11:55:04,318 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 14 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 11:55:04,320 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 27 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 11:55:04,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2022-10-16 11:55:04,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2022-10-16 11:55:04,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 40 states have (on average 1.425) internal successors, (57), 40 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 11:55:04,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 57 transitions. [2022-10-16 11:55:04,336 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 57 transitions. Word has length 31 [2022-10-16 11:55:04,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:55:04,337 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 57 transitions. [2022-10-16 11:55:04,337 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 11:55:04,337 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 57 transitions. [2022-10-16 11:55:04,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-16 11:55:04,339 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:55:04,339 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2022-10-16 11:55:04,339 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 11:55:04,340 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-10-16 11:55:04,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:55:04,341 INFO L85 PathProgramCache]: Analyzing trace with hash 237839618, now seen corresponding path program 1 times [2022-10-16 11:55:04,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:55:04,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996452006] [2022-10-16 11:55:04,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:55:04,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:55:04,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:55:04,459 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 11:55:04,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:55:04,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996452006] [2022-10-16 11:55:04,460 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996452006] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 11:55:04,462 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2083722646] [2022-10-16 11:55:04,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:55:04,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:55:04,463 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 11:55:04,474 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) [2022-10-16 11:55:04,493 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-16 11:55:04,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:55:04,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 11:55:04,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 11:55:04,709 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 11:55:04,709 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 11:55:04,710 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2083722646] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:55:04,710 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 11:55:04,710 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2022-10-16 11:55:04,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544276823] [2022-10-16 11:55:04,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:55:04,711 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 11:55:04,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:55:04,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 11:55:04,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 11:55:04,713 INFO L87 Difference]: Start difference. First operand 41 states and 57 transitions. Second operand has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 11:55:04,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:55:04,735 INFO L93 Difference]: Finished difference Result 41 states and 57 transitions. [2022-10-16 11:55:04,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 11:55:04,736 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2022-10-16 11:55:04,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:55:04,736 INFO L225 Difference]: With dead ends: 41 [2022-10-16 11:55:04,736 INFO L226 Difference]: Without dead ends: 0 [2022-10-16 11:55:04,737 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 11:55:04,739 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 24 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 11:55:04,740 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 76 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 11:55:04,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-10-16 11:55:04,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-10-16 11:55:04,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 11:55:04,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-10-16 11:55:04,742 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2022-10-16 11:55:04,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:55:04,742 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-16 11:55:04,742 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 11:55:04,743 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-10-16 11:55:04,743 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-16 11:55:04,746 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-10-16 11:55:04,747 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-10-16 11:55:04,779 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-10-16 11:55:04,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:55:04,966 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-10-16 11:55:05,091 INFO L895 garLoopResultBuilder]: At program point L97(lines 48 99) the Hoare annotation is: (or (and (<= |ULTIMATE.start_main_~main__i~0#1| 99999) (<= 1 |ULTIMATE.start_main_~main__i~0#1|)) (= |ULTIMATE.start_main_~main__i~0#1| 0)) [2022-10-16 11:55:05,092 INFO L899 garLoopResultBuilder]: For program point L64(lines 64 73) no Hoare annotation was computed. [2022-10-16 11:55:05,092 INFO L895 garLoopResultBuilder]: At program point L85(lines 53 86) the Hoare annotation is: (or (and (<= |ULTIMATE.start_main_~main__i~0#1| 99999) (<= 1 |ULTIMATE.start_main_~main__i~0#1|)) (= |ULTIMATE.start_main_~main__i~0#1| 0)) [2022-10-16 11:55:05,092 INFO L899 garLoopResultBuilder]: For program point L48(lines 48 99) no Hoare annotation was computed. [2022-10-16 11:55:05,093 INFO L895 garLoopResultBuilder]: At program point L110(lines 39 111) the Hoare annotation is: (or (and (<= |ULTIMATE.start_main_~main__i~0#1| 99999) (<= 1 |ULTIMATE.start_main_~main__i~0#1|)) (= |ULTIMATE.start_main_~main__i~0#1| 0)) [2022-10-16 11:55:05,093 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-10-16 11:55:05,093 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 71) no Hoare annotation was computed. [2022-10-16 11:55:05,094 INFO L895 garLoopResultBuilder]: At program point L127(lines 30 128) the Hoare annotation is: (or (and (<= |ULTIMATE.start_main_~main__i~0#1| 99999) (<= 1 |ULTIMATE.start_main_~main__i~0#1|)) (= |ULTIMATE.start_main_~main__i~0#1| 0)) [2022-10-16 11:55:05,094 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-10-16 11:55:05,094 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-10-16 11:55:05,094 INFO L899 garLoopResultBuilder]: For program point L28(lines 28 133) no Hoare annotation was computed. [2022-10-16 11:55:05,094 INFO L899 garLoopResultBuilder]: For program point L90(lines 90 98) no Hoare annotation was computed. [2022-10-16 11:55:05,095 INFO L899 garLoopResultBuilder]: For program point L53(lines 53 86) no Hoare annotation was computed. [2022-10-16 11:55:05,095 INFO L895 garLoopResultBuilder]: At program point L115(lines 37 116) the Hoare annotation is: (or (and (<= |ULTIMATE.start_main_~main__i~0#1| 99999) (<= 1 |ULTIMATE.start_main_~main__i~0#1|)) (= |ULTIMATE.start_main_~main__i~0#1| 0)) [2022-10-16 11:55:05,095 INFO L899 garLoopResultBuilder]: For program point L37(lines 37 116) no Hoare annotation was computed. [2022-10-16 11:55:05,096 INFO L895 garLoopResultBuilder]: At program point L132(lines 28 133) the Hoare annotation is: (or (and (<= |ULTIMATE.start_main_~main__i~0#1| 99999) (<= 1 |ULTIMATE.start_main_~main__i~0#1|)) (= |ULTIMATE.start_main_~main__i~0#1| 0)) [2022-10-16 11:55:05,096 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 71) no Hoare annotation was computed. [2022-10-16 11:55:05,096 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-10-16 11:55:05,096 INFO L902 garLoopResultBuilder]: At program point L137(lines 12 139) the Hoare annotation is: true [2022-10-16 11:55:05,097 INFO L899 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2022-10-16 11:55:05,097 INFO L899 garLoopResultBuilder]: For program point L71-1(line 71) no Hoare annotation was computed. [2022-10-16 11:55:05,097 INFO L899 garLoopResultBuilder]: For program point L30(lines 30 128) no Hoare annotation was computed. [2022-10-16 11:55:05,097 INFO L899 garLoopResultBuilder]: For program point L55(lines 55 81) no Hoare annotation was computed. [2022-10-16 11:55:05,097 INFO L895 garLoopResultBuilder]: At program point L80(lines 55 81) the Hoare annotation is: (or (and (<= |ULTIMATE.start_main_~main__i~0#1| 99999) (<= 1 |ULTIMATE.start_main_~main__i~0#1|)) (= |ULTIMATE.start_main_~main__i~0#1| 0)) [2022-10-16 11:55:05,098 INFO L895 garLoopResultBuilder]: At program point L72(lines 13 139) the Hoare annotation is: (or (= |ULTIMATE.start_main_~main__i~0#1| 0) (<= 1 |ULTIMATE.start_main_~main__i~0#1|)) [2022-10-16 11:55:05,098 INFO L899 garLoopResultBuilder]: For program point L39(lines 39 111) no Hoare annotation was computed. [2022-10-16 11:55:05,102 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-10-16 11:55:05,105 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-16 11:55:05,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 11:55:05 BoogieIcfgContainer [2022-10-16 11:55:05,130 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-16 11:55:05,131 INFO L158 Benchmark]: Toolchain (without parser) took 2625.90ms. Allocated memory is still 154.1MB. Free memory was 129.6MB in the beginning and 83.9MB in the end (delta: 45.7MB). Peak memory consumption was 45.3MB. Max. memory is 8.0GB. [2022-10-16 11:55:05,131 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 154.1MB. Free memory is still 124.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-10-16 11:55:05,132 INFO L158 Benchmark]: CACSL2BoogieTranslator took 273.87ms. Allocated memory is still 154.1MB. Free memory was 129.3MB in the beginning and 118.8MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-10-16 11:55:05,133 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.71ms. Allocated memory is still 154.1MB. Free memory was 118.7MB in the beginning and 117.2MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-10-16 11:55:05,133 INFO L158 Benchmark]: Boogie Preprocessor took 24.00ms. Allocated memory is still 154.1MB. Free memory was 117.2MB in the beginning and 116.1MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-10-16 11:55:05,134 INFO L158 Benchmark]: RCFGBuilder took 533.77ms. Allocated memory is still 154.1MB. Free memory was 115.9MB in the beginning and 105.6MB in the end (delta: 10.3MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-10-16 11:55:05,135 INFO L158 Benchmark]: TraceAbstraction took 1738.39ms. Allocated memory is still 154.1MB. Free memory was 104.9MB in the beginning and 83.9MB in the end (delta: 21.0MB). Peak memory consumption was 21.1MB. Max. memory is 8.0GB. [2022-10-16 11:55:05,138 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 154.1MB. Free memory is still 124.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 273.87ms. Allocated memory is still 154.1MB. Free memory was 129.3MB in the beginning and 118.8MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 40.71ms. Allocated memory is still 154.1MB. Free memory was 118.7MB in the beginning and 117.2MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 24.00ms. Allocated memory is still 154.1MB. Free memory was 117.2MB in the beginning and 116.1MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 533.77ms. Allocated memory is still 154.1MB. Free memory was 115.9MB in the beginning and 105.6MB in the end (delta: 10.3MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 1738.39ms. Allocated memory is still 154.1MB. Free memory was 104.9MB in the beginning and 83.9MB in the end (delta: 21.0MB). Peak memory consumption was 21.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 71]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 71]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 26 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 55 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 55 mSDsluCounter, 165 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 56 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 23 IncrementalHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 109 mSDtfsCounter, 23 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred in iteration=1, InterpolantAutomatonStates: 10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 9 PreInvPairs, 19 NumberOfFragments, 85 HoareAnnotationTreeSize, 9 FomulaSimplifications, 56 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 111 NumberOfCodeBlocks, 111 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 107 ConstructedInterpolants, 0 QuantifiedInterpolants, 281 SizeOfPredicates, 0 NumberOfNonLiveVariables, 95 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 29/44 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: (main__i <= 99999 && 1 <= main__i) || main__i == 0 - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: (main__i <= 99999 && 1 <= main__i) || main__i == 0 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (main__i <= 99999 && 1 <= main__i) || main__i == 0 - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: (main__i <= 99999 && 1 <= main__i) || main__i == 0 - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: main__i == 0 || 1 <= main__i - InvariantResult [Line: 37]: Loop Invariant Derived loop invariant: (main__i <= 99999 && 1 <= main__i) || main__i == 0 - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: (main__i <= 99999 && 1 <= main__i) || main__i == 0 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: (main__i <= 99999 && 1 <= main__i) || main__i == 0 RESULT: Ultimate proved your program to be correct! [2022-10-16 11:55:05,195 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...