/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/loop-invgen/id_trans.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 14:28:02,183 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 14:28:02,186 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 14:28:02,220 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-10-16 14:28:02,284 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 14:28:02,285 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 14:28:02,286 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 14:28:02,287 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 14:28:02,317 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 14:28:02,317 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 14:28:02,318 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 14:28:02,318 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 14:28:02,319 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 14:28:02,319 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 14:28:02,320 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 14:28:02,321 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 14:28:02,321 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 14:28:02,321 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 14:28:02,321 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 14:28:02,322 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 14:28:02,322 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 14:28:02,322 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 14:28:02,322 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 14:28:02,323 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 14:28:02,323 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 14:28:02,323 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 14:28:02,323 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 14:28:02,324 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 14:28:02,324 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 14:28:02,324 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 14:28:02,324 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 14:28:02,325 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 14:28:02,325 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 14:28:02,325 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 14:28:02,325 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 14:28:02,326 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 14:28:02,326 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 14:28:02,326 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 14:28:02,327 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 14:28:02,327 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 14:28:02,327 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 14:28:02,327 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 14:28:02,695 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 14:28:02,721 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 14:28:02,724 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 14:28:02,726 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 14:28:02,727 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 14:28:02,728 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-invgen/id_trans.i [2022-10-16 14:28:02,824 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e031ab445/6c5dd2de424e471caa70be2e36634c23/FLAG80dcc9db7 [2022-10-16 14:28:03,404 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 14:28:03,405 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/id_trans.i [2022-10-16 14:28:03,413 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e031ab445/6c5dd2de424e471caa70be2e36634c23/FLAG80dcc9db7 [2022-10-16 14:28:03,783 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e031ab445/6c5dd2de424e471caa70be2e36634c23 [2022-10-16 14:28:03,786 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 14:28:03,792 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 14:28:03,794 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 14:28:03,795 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 14:28:03,800 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 14:28:03,801 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:28:03" (1/1) ... [2022-10-16 14:28:03,803 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25627d8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:28:03, skipping insertion in model container [2022-10-16 14:28:03,803 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:28:03" (1/1) ... [2022-10-16 14:28:03,813 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 14:28:03,834 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 14:28:04,017 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/loop-invgen/id_trans.i[893,906] [2022-10-16 14:28:04,034 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 14:28:04,045 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 14:28:04,062 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/loop-invgen/id_trans.i[893,906] [2022-10-16 14:28:04,068 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 14:28:04,086 INFO L208 MainTranslator]: Completed translation [2022-10-16 14:28:04,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:28:04 WrapperNode [2022-10-16 14:28:04,087 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 14:28:04,088 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 14:28:04,089 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 14:28:04,089 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 14:28:04,098 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:28:04" (1/1) ... [2022-10-16 14:28:04,106 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:28:04" (1/1) ... [2022-10-16 14:28:04,132 INFO L138 Inliner]: procedures = 16, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 50 [2022-10-16 14:28:04,132 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 14:28:04,133 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 14:28:04,133 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 14:28:04,133 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 14:28:04,146 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:28:04" (1/1) ... [2022-10-16 14:28:04,146 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:28:04" (1/1) ... [2022-10-16 14:28:04,148 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:28:04" (1/1) ... [2022-10-16 14:28:04,149 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:28:04" (1/1) ... [2022-10-16 14:28:04,153 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:28:04" (1/1) ... [2022-10-16 14:28:04,157 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:28:04" (1/1) ... [2022-10-16 14:28:04,159 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:28:04" (1/1) ... [2022-10-16 14:28:04,160 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:28:04" (1/1) ... [2022-10-16 14:28:04,162 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 14:28:04,163 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 14:28:04,163 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 14:28:04,163 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 14:28:04,164 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:28:04" (1/1) ... [2022-10-16 14:28:04,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 14:28:04,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:28:04,205 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 14:28:04,230 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 14:28:04,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 14:28:04,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 14:28:04,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 14:28:04,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 14:28:04,281 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-16 14:28:04,281 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-16 14:28:04,358 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 14:28:04,364 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 14:28:04,650 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 14:28:04,658 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 14:28:04,659 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-16 14:28:04,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:28:04 BoogieIcfgContainer [2022-10-16 14:28:04,662 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 14:28:04,665 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 14:28:04,665 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 14:28:04,669 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 14:28:04,670 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:28:03" (1/3) ... [2022-10-16 14:28:04,671 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7125dc29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:28:04, skipping insertion in model container [2022-10-16 14:28:04,671 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:28:04" (2/3) ... [2022-10-16 14:28:04,671 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7125dc29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:28:04, skipping insertion in model container [2022-10-16 14:28:04,672 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:28:04" (3/3) ... [2022-10-16 14:28:04,673 INFO L112 eAbstractionObserver]: Analyzing ICFG id_trans.i [2022-10-16 14:28:04,698 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 14:28:04,698 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2022-10-16 14:28:04,833 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 14:28:04,851 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;@304a853b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 14:28:04,852 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2022-10-16 14:28:04,861 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 22 states have (on average 1.6363636363636365) internal successors, (36), 32 states have internal predecessors, (36), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-10-16 14:28:04,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-16 14:28:04,872 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:28:04,873 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-10-16 14:28:04,874 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-10-16 14:28:04,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:28:04,881 INFO L85 PathProgramCache]: Analyzing trace with hash 29856, now seen corresponding path program 1 times [2022-10-16 14:28:04,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:28:04,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761515574] [2022-10-16 14:28:04,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:28:04,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:28:05,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:28:05,170 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 14:28:05,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:28:05,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761515574] [2022-10-16 14:28:05,175 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761515574] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:28:05,178 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:28:05,178 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 14:28:05,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125965708] [2022-10-16 14:28:05,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:28:05,199 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 14:28:05,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:28:05,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 14:28:05,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 14:28:05,287 INFO L87 Difference]: Start difference. First operand has 38 states, 22 states have (on average 1.6363636363636365) internal successors, (36), 32 states have internal predecessors, (36), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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 14:28:05,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:28:05,366 INFO L93 Difference]: Finished difference Result 68 states and 84 transitions. [2022-10-16 14:28:05,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 14:28:05,370 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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 3 [2022-10-16 14:28:05,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:28:05,379 INFO L225 Difference]: With dead ends: 68 [2022-10-16 14:28:05,379 INFO L226 Difference]: Without dead ends: 31 [2022-10-16 14:28:05,383 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 14:28:05,388 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 26 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:28:05,390 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 39 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:28:05,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2022-10-16 14:28:05,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2022-10-16 14:28:05,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 25 states have internal predecessors, (26), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-10-16 14:28:05,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 34 transitions. [2022-10-16 14:28:05,455 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 34 transitions. Word has length 3 [2022-10-16 14:28:05,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:28:05,455 INFO L495 AbstractCegarLoop]: Abstraction has 31 states and 34 transitions. [2022-10-16 14:28:05,457 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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 14:28:05,458 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 34 transitions. [2022-10-16 14:28:05,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-16 14:28:05,459 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:28:05,459 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-10-16 14:28:05,459 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 14:28:05,460 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-10-16 14:28:05,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:28:05,462 INFO L85 PathProgramCache]: Analyzing trace with hash 925572, now seen corresponding path program 1 times [2022-10-16 14:28:05,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:28:05,463 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504227812] [2022-10-16 14:28:05,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:28:05,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:28:05,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:28:05,635 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 14:28:05,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:28:05,636 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504227812] [2022-10-16 14:28:05,636 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [504227812] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:28:05,637 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:28:05,637 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 14:28:05,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288404837] [2022-10-16 14:28:05,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:28:05,639 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:28:05,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:28:05,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:28:05,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:28:05,641 INFO L87 Difference]: Start difference. First operand 31 states and 34 transitions. Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 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 14:28:05,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:28:05,673 INFO L93 Difference]: Finished difference Result 31 states and 34 transitions. [2022-10-16 14:28:05,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 14:28:05,674 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 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 4 [2022-10-16 14:28:05,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:28:05,675 INFO L225 Difference]: With dead ends: 31 [2022-10-16 14:28:05,675 INFO L226 Difference]: Without dead ends: 29 [2022-10-16 14:28:05,676 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:28:05,678 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 19 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:28:05,679 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 42 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:28:05,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2022-10-16 14:28:05,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2022-10-16 14:28:05,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 23 states have internal predecessors, (24), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-10-16 14:28:05,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 32 transitions. [2022-10-16 14:28:05,690 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 32 transitions. Word has length 4 [2022-10-16 14:28:05,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:28:05,690 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 32 transitions. [2022-10-16 14:28:05,691 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 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 14:28:05,691 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions. [2022-10-16 14:28:05,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-16 14:28:05,692 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:28:05,693 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:28:05,693 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 14:28:05,693 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-10-16 14:28:05,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:28:05,694 INFO L85 PathProgramCache]: Analyzing trace with hash 1223255111, now seen corresponding path program 1 times [2022-10-16 14:28:05,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:28:05,695 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332538881] [2022-10-16 14:28:05,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:28:05,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:28:05,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:28:05,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 14:28:05,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:28:05,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-16 14:28:05,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:28:05,959 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-16 14:28:05,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:28:05,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332538881] [2022-10-16 14:28:05,964 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332538881] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:28:05,964 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:28:05,965 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 14:28:05,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253680704] [2022-10-16 14:28:05,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:28:05,969 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 14:28:05,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:28:05,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 14:28:05,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 14:28:05,971 INFO L87 Difference]: Start difference. First operand 29 states and 32 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 14:28:06,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:28:06,075 INFO L93 Difference]: Finished difference Result 49 states and 56 transitions. [2022-10-16 14:28:06,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 14:28:06,076 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 19 [2022-10-16 14:28:06,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:28:06,078 INFO L225 Difference]: With dead ends: 49 [2022-10-16 14:28:06,078 INFO L226 Difference]: Without dead ends: 45 [2022-10-16 14:28:06,079 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 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 14:28:06,083 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 8 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:28:06,085 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 45 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:28:06,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2022-10-16 14:28:06,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 39. [2022-10-16 14:28:06,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 25 states have (on average 1.24) internal successors, (31), 30 states have internal predecessors, (31), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-10-16 14:28:06,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 45 transitions. [2022-10-16 14:28:06,119 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 45 transitions. Word has length 19 [2022-10-16 14:28:06,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:28:06,120 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 45 transitions. [2022-10-16 14:28:06,121 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 14:28:06,121 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 45 transitions. [2022-10-16 14:28:06,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-16 14:28:06,123 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:28:06,123 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:28:06,123 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 14:28:06,124 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-10-16 14:28:06,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:28:06,127 INFO L85 PathProgramCache]: Analyzing trace with hash 351154936, now seen corresponding path program 1 times [2022-10-16 14:28:06,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:28:06,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845001592] [2022-10-16 14:28:06,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:28:06,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:28:06,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:28:06,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 14:28:06,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:28:06,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-16 14:28:06,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:28:06,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 14:28:06,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:28:06,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-10-16 14:28:06,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:28:06,447 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-16 14:28:06,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:28:06,448 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845001592] [2022-10-16 14:28:06,448 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845001592] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:28:06,452 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:28:06,453 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 14:28:06,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993577532] [2022-10-16 14:28:06,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:28:06,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:28:06,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:28:06,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:28:06,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:28:06,458 INFO L87 Difference]: Start difference. First operand 39 states and 45 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-10-16 14:28:06,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:28:06,588 INFO L93 Difference]: Finished difference Result 45 states and 52 transitions. [2022-10-16 14:28:06,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:28:06,592 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 34 [2022-10-16 14:28:06,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:28:06,594 INFO L225 Difference]: With dead ends: 45 [2022-10-16 14:28:06,594 INFO L226 Difference]: Without dead ends: 43 [2022-10-16 14:28:06,595 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 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 14:28:06,597 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 3 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:28:06,598 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 64 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:28:06,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2022-10-16 14:28:06,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2022-10-16 14:28:06,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 28 states have (on average 1.2142857142857142) internal successors, (34), 33 states have internal predecessors, (34), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-10-16 14:28:06,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 50 transitions. [2022-10-16 14:28:06,621 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 50 transitions. Word has length 34 [2022-10-16 14:28:06,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:28:06,622 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 50 transitions. [2022-10-16 14:28:06,623 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-10-16 14:28:06,623 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 50 transitions. [2022-10-16 14:28:06,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-16 14:28:06,628 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:28:06,628 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:28:06,628 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 14:28:06,630 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-10-16 14:28:06,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:28:06,631 INFO L85 PathProgramCache]: Analyzing trace with hash 1766845937, now seen corresponding path program 1 times [2022-10-16 14:28:06,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:28:06,632 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059486861] [2022-10-16 14:28:06,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:28:06,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:28:06,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:28:06,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 14:28:06,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:28:06,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-16 14:28:06,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:28:06,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 14:28:06,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:28:06,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-10-16 14:28:06,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:28:06,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-16 14:28:06,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:28:06,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 14:28:06,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:28:06,995 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-10-16 14:28:06,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:28:06,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059486861] [2022-10-16 14:28:06,997 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1059486861] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:28:06,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1444239113] [2022-10-16 14:28:07,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:28:07,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:28:07,001 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:28:07,004 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 14:28:07,029 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 14:28:07,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:28:07,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-16 14:28:07,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:28:07,191 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-10-16 14:28:07,191 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:28:07,381 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-10-16 14:28:07,382 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1444239113] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:28:07,382 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:28:07,383 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2022-10-16 14:28:07,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971975878] [2022-10-16 14:28:07,383 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:28:07,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 14:28:07,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:28:07,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 14:28:07,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2022-10-16 14:28:07,386 INFO L87 Difference]: Start difference. First operand 43 states and 50 transitions. Second operand has 9 states, 8 states have (on average 5.25) internal successors, (42), 9 states have internal predecessors, (42), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2022-10-16 14:28:07,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:28:07,583 INFO L93 Difference]: Finished difference Result 61 states and 74 transitions. [2022-10-16 14:28:07,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 14:28:07,584 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.25) internal successors, (42), 9 states have internal predecessors, (42), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) Word has length 49 [2022-10-16 14:28:07,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:28:07,586 INFO L225 Difference]: With dead ends: 61 [2022-10-16 14:28:07,586 INFO L226 Difference]: Without dead ends: 57 [2022-10-16 14:28:07,587 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-16 14:28:07,588 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 33 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:28:07,589 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 108 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:28:07,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2022-10-16 14:28:07,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 51. [2022-10-16 14:28:07,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 35 states have (on average 1.1142857142857143) internal successors, (39), 38 states have internal predecessors, (39), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2022-10-16 14:28:07,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 61 transitions. [2022-10-16 14:28:07,603 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 61 transitions. Word has length 49 [2022-10-16 14:28:07,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:28:07,604 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 61 transitions. [2022-10-16 14:28:07,604 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.25) internal successors, (42), 9 states have internal predecessors, (42), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2022-10-16 14:28:07,604 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 61 transitions. [2022-10-16 14:28:07,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-16 14:28:07,607 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:28:07,607 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:28:07,641 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 14:28:07,820 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:28:07,821 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-10-16 14:28:07,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:28:07,823 INFO L85 PathProgramCache]: Analyzing trace with hash 912384014, now seen corresponding path program 1 times [2022-10-16 14:28:07,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:28:07,824 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417778135] [2022-10-16 14:28:07,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:28:07,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:28:07,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:28:07,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 14:28:07,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:28:07,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-16 14:28:07,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:28:07,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 14:28:07,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:28:07,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-10-16 14:28:07,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:28:08,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-16 14:28:08,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:28:08,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 14:28:08,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:28:08,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 14:28:08,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:28:08,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-10-16 14:28:08,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:28:08,027 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-10-16 14:28:08,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:28:08,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417778135] [2022-10-16 14:28:08,028 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417778135] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:28:08,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1508607488] [2022-10-16 14:28:08,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:28:08,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:28:08,029 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:28:08,030 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:28:08,051 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-16 14:28:08,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:28:08,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 14:28:08,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:28:08,181 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-10-16 14:28:08,182 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:28:08,274 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-10-16 14:28:08,275 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1508607488] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:28:08,275 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:28:08,275 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2022-10-16 14:28:08,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685102839] [2022-10-16 14:28:08,276 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:28:08,277 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 14:28:08,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:28:08,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 14:28:08,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2022-10-16 14:28:08,278 INFO L87 Difference]: Start difference. First operand 51 states and 61 transitions. Second operand has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 5 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 5 states have call predecessors, (20), 5 states have call successors, (20) [2022-10-16 14:28:08,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:28:08,479 INFO L93 Difference]: Finished difference Result 87 states and 112 transitions. [2022-10-16 14:28:08,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-10-16 14:28:08,480 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 5 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 5 states have call predecessors, (20), 5 states have call successors, (20) Word has length 64 [2022-10-16 14:28:08,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:28:08,482 INFO L225 Difference]: With dead ends: 87 [2022-10-16 14:28:08,482 INFO L226 Difference]: Without dead ends: 86 [2022-10-16 14:28:08,483 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=113, Invalid=229, Unknown=0, NotChecked=0, Total=342 [2022-10-16 14:28:08,484 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 38 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:28:08,484 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 113 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:28:08,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2022-10-16 14:28:08,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 82. [2022-10-16 14:28:08,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 57 states have (on average 1.1754385964912282) internal successors, (67), 60 states have internal predecessors, (67), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2022-10-16 14:28:08,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 107 transitions. [2022-10-16 14:28:08,502 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 107 transitions. Word has length 64 [2022-10-16 14:28:08,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:28:08,503 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 107 transitions. [2022-10-16 14:28:08,504 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 5 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 5 states have call predecessors, (20), 5 states have call successors, (20) [2022-10-16 14:28:08,504 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 107 transitions. [2022-10-16 14:28:08,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-16 14:28:08,506 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:28:08,506 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:28:08,548 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-10-16 14:28:08,721 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-10-16 14:28:08,721 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-10-16 14:28:08,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:28:08,722 INFO L85 PathProgramCache]: Analyzing trace with hash -1780866567, now seen corresponding path program 1 times [2022-10-16 14:28:08,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:28:08,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957313716] [2022-10-16 14:28:08,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:28:08,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:28:08,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:28:08,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 14:28:08,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:28:08,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-16 14:28:08,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:28:08,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 14:28:08,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:28:08,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-10-16 14:28:08,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:28:08,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-16 14:28:08,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:28:08,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 14:28:08,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:28:08,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 14:28:08,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:28:08,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-10-16 14:28:08,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:28:08,989 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-10-16 14:28:08,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:28:08,989 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957313716] [2022-10-16 14:28:08,990 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1957313716] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:28:08,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2080191100] [2022-10-16 14:28:08,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:28:08,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:28:08,990 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:28:08,991 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:28:09,011 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-10-16 14:28:09,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:28:09,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 14:28:09,063 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:28:09,124 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-10-16 14:28:09,124 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 14:28:09,124 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2080191100] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:28:09,125 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 14:28:09,125 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-10-16 14:28:09,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195979057] [2022-10-16 14:28:09,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:28:09,126 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 14:28:09,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:28:09,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 14:28:09,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-10-16 14:28:09,127 INFO L87 Difference]: Start difference. First operand 82 states and 107 transitions. Second operand has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-10-16 14:28:09,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:28:09,205 INFO L93 Difference]: Finished difference Result 82 states and 107 transitions. [2022-10-16 14:28:09,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 14:28:09,205 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 65 [2022-10-16 14:28:09,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:28:09,207 INFO L225 Difference]: With dead ends: 82 [2022-10-16 14:28:09,207 INFO L226 Difference]: Without dead ends: 79 [2022-10-16 14:28:09,208 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-10-16 14:28:09,209 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 7 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:28:09,209 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 61 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:28:09,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2022-10-16 14:28:09,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2022-10-16 14:28:09,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 57 states have (on average 1.0175438596491229) internal successors, (58), 57 states have internal predecessors, (58), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2022-10-16 14:28:09,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 98 transitions. [2022-10-16 14:28:09,224 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 98 transitions. Word has length 65 [2022-10-16 14:28:09,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:28:09,225 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 98 transitions. [2022-10-16 14:28:09,225 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-10-16 14:28:09,226 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 98 transitions. [2022-10-16 14:28:09,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-10-16 14:28:09,228 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:28:09,228 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1] [2022-10-16 14:28:09,267 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-10-16 14:28:09,444 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:28:09,445 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-10-16 14:28:09,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:28:09,446 INFO L85 PathProgramCache]: Analyzing trace with hash -63625136, now seen corresponding path program 2 times [2022-10-16 14:28:09,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:28:09,447 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798054221] [2022-10-16 14:28:09,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:28:09,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:28:09,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:28:10,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 14:28:10,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:28:10,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-16 14:28:10,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:28:10,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 14:28:10,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:28:10,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-10-16 14:28:10,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:28:10,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-16 14:28:10,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:28:10,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 14:28:10,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:28:10,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 14:28:10,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:28:10,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-10-16 14:28:10,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:28:10,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-10-16 14:28:10,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:28:10,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-16 14:28:10,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:28:10,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-16 14:28:10,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:28:10,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-10-16 14:28:10,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:28:10,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-10-16 14:28:10,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:28:10,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-10-16 14:28:10,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:28:10,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-10-16 14:28:10,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:28:10,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-10-16 14:28:10,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:28:10,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-10-16 14:28:10,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:28:10,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-10-16 14:28:10,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:28:10,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-10-16 14:28:10,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:28:10,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-10-16 14:28:10,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:28:10,123 INFO L134 CoverageAnalysis]: Checked inductivity of 896 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2022-10-16 14:28:10,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:28:10,123 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798054221] [2022-10-16 14:28:10,123 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798054221] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:28:10,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [399372777] [2022-10-16 14:28:10,124 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 14:28:10,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:28:10,124 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:28:10,125 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:28:10,153 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-10-16 14:28:10,189 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-10-16 14:28:10,190 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 14:28:10,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 14:28:10,196 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:28:10,341 INFO L134 CoverageAnalysis]: Checked inductivity of 896 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 856 trivial. 0 not checked. [2022-10-16 14:28:10,341 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:28:10,510 INFO L134 CoverageAnalysis]: Checked inductivity of 896 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 856 trivial. 0 not checked. [2022-10-16 14:28:10,510 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [399372777] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:28:10,511 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:28:10,511 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 14 [2022-10-16 14:28:10,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661250211] [2022-10-16 14:28:10,511 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:28:10,513 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-10-16 14:28:10,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:28:10,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-10-16 14:28:10,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2022-10-16 14:28:10,514 INFO L87 Difference]: Start difference. First operand 79 states and 98 transitions. Second operand has 15 states, 14 states have (on average 5.571428571428571) internal successors, (78), 15 states have internal predecessors, (78), 7 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 7 states have call predecessors, (28), 7 states have call successors, (28) [2022-10-16 14:28:10,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:28:10,829 INFO L93 Difference]: Finished difference Result 97 states and 121 transitions. [2022-10-16 14:28:10,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 14:28:10,830 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 5.571428571428571) internal successors, (78), 15 states have internal predecessors, (78), 7 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 7 states have call predecessors, (28), 7 states have call successors, (28) Word has length 154 [2022-10-16 14:28:10,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:28:10,831 INFO L225 Difference]: With dead ends: 97 [2022-10-16 14:28:10,831 INFO L226 Difference]: Without dead ends: 0 [2022-10-16 14:28:10,833 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 369 GetRequests, 342 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=207, Invalid=495, Unknown=0, NotChecked=0, Total=702 [2022-10-16 14:28:10,834 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 40 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 14:28:10,834 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 198 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 14:28:10,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-10-16 14:28:10,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-10-16 14:28:10,835 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 14:28:10,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-10-16 14:28:10,836 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 154 [2022-10-16 14:28:10,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:28:10,836 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-16 14:28:10,836 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 5.571428571428571) internal successors, (78), 15 states have internal predecessors, (78), 7 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 7 states have call predecessors, (28), 7 states have call successors, (28) [2022-10-16 14:28:10,837 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-10-16 14:28:10,837 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-16 14:28:10,840 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining) [2022-10-16 14:28:10,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2022-10-16 14:28:10,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2022-10-16 14:28:10,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2022-10-16 14:28:10,842 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 10 remaining) [2022-10-16 14:28:10,842 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 10 remaining) [2022-10-16 14:28:10,842 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2022-10-16 14:28:10,842 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2022-10-16 14:28:10,843 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2022-10-16 14:28:10,843 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2022-10-16 14:28:10,883 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-10-16 14:28:11,057 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:28:11,060 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-10-16 14:28:11,414 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 30) no Hoare annotation was computed. [2022-10-16 14:28:11,415 INFO L899 garLoopResultBuilder]: For program point L33(line 33) no Hoare annotation was computed. [2022-10-16 14:28:11,415 INFO L899 garLoopResultBuilder]: For program point L35-2(lines 31 36) no Hoare annotation was computed. [2022-10-16 14:28:11,415 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-10-16 14:28:11,415 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 31) no Hoare annotation was computed. [2022-10-16 14:28:11,415 INFO L899 garLoopResultBuilder]: For program point L31-1(line 31) no Hoare annotation was computed. [2022-10-16 14:28:11,415 INFO L899 garLoopResultBuilder]: For program point L31-2(lines 31 36) no Hoare annotation was computed. [2022-10-16 14:28:11,416 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 34) no Hoare annotation was computed. [2022-10-16 14:28:11,416 INFO L899 garLoopResultBuilder]: For program point L31-4(line 31) no Hoare annotation was computed. [2022-10-16 14:28:11,416 INFO L899 garLoopResultBuilder]: For program point L31-5(line 31) no Hoare annotation was computed. [2022-10-16 14:28:11,416 INFO L895 garLoopResultBuilder]: At program point L31-6(lines 31 36) the Hoare annotation is: (let ((.cse0 (<= 0 (+ |ULTIMATE.start_main_~idBitLength~0#1| 2147483648))) (.cse1 (<= |ULTIMATE.start_main_~material_length~0#1| 2147483647)) (.cse2 (<= |ULTIMATE.start_main_~idBitLength~0#1| 2147483647))) (or (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_main_~j~0#1| 0)) (and (<= 1 |ULTIMATE.start_main_~j~0#1|) .cse0 .cse1 .cse2 (<= (div |ULTIMATE.start_main_~j~0#1| 4) 2147483647)))) [2022-10-16 14:28:11,417 INFO L899 garLoopResultBuilder]: For program point L31-7(lines 31 36) no Hoare annotation was computed. [2022-10-16 14:28:11,417 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 31) no Hoare annotation was computed. [2022-10-16 14:28:11,417 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 35) no Hoare annotation was computed. [2022-10-16 14:28:11,417 INFO L899 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2022-10-16 14:28:11,417 INFO L895 garLoopResultBuilder]: At program point L34-1(line 34) the Hoare annotation is: (let ((.cse0 (<= 0 (+ |ULTIMATE.start_main_~idBitLength~0#1| 2147483648))) (.cse1 (<= |ULTIMATE.start_main_~material_length~0#1| 2147483647)) (.cse2 (<= |ULTIMATE.start_main_~idBitLength~0#1| 2147483647))) (or (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_main_~j~0#1| 0)) (and (<= 1 |ULTIMATE.start_main_~j~0#1|) .cse0 .cse1 .cse2 (<= |ULTIMATE.start_main_~j~0#1| 2147483646)))) [2022-10-16 14:28:11,418 INFO L895 garLoopResultBuilder]: At program point L32(line 32) the Hoare annotation is: (let ((.cse0 (<= 0 (+ |ULTIMATE.start_main_~idBitLength~0#1| 2147483648))) (.cse1 (<= |ULTIMATE.start_main_~material_length~0#1| 2147483647)) (.cse2 (<= |ULTIMATE.start_main_~idBitLength~0#1| 2147483647))) (or (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_main_~j~0#1| 0)) (and (<= 1 |ULTIMATE.start_main_~j~0#1|) .cse0 .cse1 .cse2 (<= |ULTIMATE.start_main_~j~0#1| 2147483646)))) [2022-10-16 14:28:11,418 INFO L899 garLoopResultBuilder]: For program point L34-2(line 34) no Hoare annotation was computed. [2022-10-16 14:28:11,418 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-10-16 14:28:11,418 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 30) no Hoare annotation was computed. [2022-10-16 14:28:11,418 INFO L895 garLoopResultBuilder]: At program point L32-1(line 32) the Hoare annotation is: (let ((.cse0 (<= 0 (+ |ULTIMATE.start_main_~idBitLength~0#1| 2147483648))) (.cse1 (<= |ULTIMATE.start_main_~material_length~0#1| 2147483647)) (.cse2 (<= |ULTIMATE.start_main_~idBitLength~0#1| 2147483647))) (or (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_main_~j~0#1| 0)) (and (<= 1 |ULTIMATE.start_main_~j~0#1|) .cse0 .cse1 .cse2 (<= |ULTIMATE.start_main_~j~0#1| 2147483646)))) [2022-10-16 14:28:11,419 INFO L899 garLoopResultBuilder]: For program point L30(line 30) no Hoare annotation was computed. [2022-10-16 14:28:11,419 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 31) no Hoare annotation was computed. [2022-10-16 14:28:11,419 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-10-16 14:28:11,419 INFO L899 garLoopResultBuilder]: For program point L30-1(line 30) no Hoare annotation was computed. [2022-10-16 14:28:11,419 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 34) no Hoare annotation was computed. [2022-10-16 14:28:11,420 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-10-16 14:28:11,420 INFO L899 garLoopResultBuilder]: For program point L30-2(line 30) no Hoare annotation was computed. [2022-10-16 14:28:11,432 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 31) no Hoare annotation was computed. [2022-10-16 14:28:11,432 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 35) no Hoare annotation was computed. [2022-10-16 14:28:11,433 INFO L895 garLoopResultBuilder]: At program point L37(lines 24 38) the Hoare annotation is: (<= |ULTIMATE.start_main_~idBitLength~0#1| 2147483647) [2022-10-16 14:28:11,433 INFO L899 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2022-10-16 14:28:11,433 INFO L895 garLoopResultBuilder]: At program point L35-1(line 35) the Hoare annotation is: (let ((.cse0 (<= 0 (+ |ULTIMATE.start_main_~idBitLength~0#1| 2147483648))) (.cse1 (<= |ULTIMATE.start_main_~material_length~0#1| 2147483647)) (.cse2 (<= |ULTIMATE.start_main_~idBitLength~0#1| 2147483647))) (or (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_main_~j~0#1| 0)) (and (<= 1 |ULTIMATE.start_main_~j~0#1|) .cse0 .cse1 .cse2 (<= |ULTIMATE.start_main_~j~0#1| 2147483646)))) [2022-10-16 14:28:11,433 INFO L899 garLoopResultBuilder]: For program point L18-2(lines 17 22) no Hoare annotation was computed. [2022-10-16 14:28:11,434 INFO L902 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 17 22) the Hoare annotation is: true [2022-10-16 14:28:11,434 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 17 22) no Hoare annotation was computed. [2022-10-16 14:28:11,434 INFO L899 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed. [2022-10-16 14:28:11,434 INFO L899 garLoopResultBuilder]: For program point L18(lines 18 20) no Hoare annotation was computed. [2022-10-16 14:28:11,438 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1] [2022-10-16 14:28:11,441 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-16 14:28:11,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 02:28:11 BoogieIcfgContainer [2022-10-16 14:28:11,459 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-16 14:28:11,460 INFO L158 Benchmark]: Toolchain (without parser) took 7672.12ms. Allocated memory was 173.0MB in the beginning and 219.2MB in the end (delta: 46.1MB). Free memory was 148.5MB in the beginning and 200.4MB in the end (delta: -52.0MB). Peak memory consumption was 118.5MB. Max. memory is 8.0GB. [2022-10-16 14:28:11,460 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 173.0MB. Free memory is still 142.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-10-16 14:28:11,461 INFO L158 Benchmark]: CACSL2BoogieTranslator took 293.12ms. Allocated memory is still 173.0MB. Free memory was 148.3MB in the beginning and 138.5MB in the end (delta: 9.8MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-10-16 14:28:11,461 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.79ms. Allocated memory is still 173.0MB. Free memory was 138.2MB in the beginning and 136.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-10-16 14:28:11,461 INFO L158 Benchmark]: Boogie Preprocessor took 29.00ms. Allocated memory is still 173.0MB. Free memory was 136.6MB in the beginning and 135.5MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-10-16 14:28:11,462 INFO L158 Benchmark]: RCFGBuilder took 498.85ms. Allocated memory is still 173.0MB. Free memory was 135.5MB in the beginning and 123.6MB in the end (delta: 11.9MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-10-16 14:28:11,462 INFO L158 Benchmark]: TraceAbstraction took 6794.54ms. Allocated memory was 173.0MB in the beginning and 219.2MB in the end (delta: 46.1MB). Free memory was 123.0MB in the beginning and 200.4MB in the end (delta: -77.5MB). Peak memory consumption was 93.3MB. Max. memory is 8.0GB. [2022-10-16 14:28:11,464 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 173.0MB. Free memory is still 142.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 293.12ms. Allocated memory is still 173.0MB. Free memory was 148.3MB in the beginning and 138.5MB in the end (delta: 9.8MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 43.79ms. Allocated memory is still 173.0MB. Free memory was 138.2MB in the beginning and 136.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 29.00ms. Allocated memory is still 173.0MB. Free memory was 136.6MB in the beginning and 135.5MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 498.85ms. Allocated memory is still 173.0MB. Free memory was 135.5MB in the beginning and 123.6MB in the end (delta: 11.9MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * TraceAbstraction took 6794.54ms. Allocated memory was 173.0MB in the beginning and 219.2MB in the end (delta: 46.1MB). Free memory was 123.0MB in the beginning and 200.4MB in the end (delta: -77.5MB). Peak memory consumption was 93.3MB. 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: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 38 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 6.7s, OverallIterations: 8, TraceHistogramMax: 20, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 188 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 174 mSDsluCounter, 670 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 423 mSDsCounter, 53 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 585 IncrementalHoareTripleChecker+Invalid, 638 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 53 mSolverCounterUnsat, 247 mSDtfsCounter, 585 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 748 GetRequests, 679 SyntacticMatches, 2 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 194 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=82occurred in iteration=6, InterpolantAutomatonStates: 59, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 16 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 34 PreInvPairs, 66 NumberOfFragments, 176 HoareAnnotationTreeSize, 34 FomulaSimplifications, 69 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 695 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 724 NumberOfCodeBlocks, 585 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 976 ConstructedInterpolants, 0 QuantifiedInterpolants, 1931 SizeOfPredicates, 8 NumberOfNonLiveVariables, 416 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 15 InterpolantComputations, 5 PerfectInterpolantSequences, 3254/3541 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 10 specifications checked. All of them hold - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: (((0 <= idBitLength + 2147483648 && material_length <= 2147483647) && idBitLength <= 2147483647) && j == 0) || ((((1 <= j && 0 <= idBitLength + 2147483648) && material_length <= 2147483647) && idBitLength <= 2147483647) && j / 4 <= 2147483647) - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: idBitLength <= 2147483647 RESULT: Ultimate proved your program to be correct! [2022-10-16 14:28:11,517 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...