/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf -i ../../../trunk/examples/svcomp/loop-zilu/benchmark23_conjunctive.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-d966a43 [2022-01-31 21:46:55,440 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-31 21:46:55,459 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-31 21:46:55,499 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-31 21:46:55,516 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-31 21:46:55,517 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-31 21:46:55,518 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-31 21:46:55,519 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-31 21:46:55,520 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-31 21:46:55,520 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-31 21:46:55,523 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-31 21:46:55,527 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-31 21:46:55,527 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-31 21:46:55,528 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-31 21:46:55,529 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-31 21:46:55,530 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-31 21:46:55,531 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-31 21:46:55,538 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-31 21:46:55,538 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-31 21:46:55,539 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-31 21:46:55,539 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf [2022-01-31 21:46:55,551 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-31 21:46:55,551 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-31 21:46:55,552 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-31 21:46:55,552 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-31 21:46:55,552 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-31 21:46:55,552 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-31 21:46:55,552 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-31 21:46:55,552 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-31 21:46:55,553 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-31 21:46:55,553 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-31 21:46:55,553 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-31 21:46:55,553 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-31 21:46:55,553 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-31 21:46:55,554 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-31 21:46:55,554 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-31 21:46:55,554 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-31 21:46:55,554 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-31 21:46:55,554 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-31 21:46:55,554 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 21:46:55,554 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-31 21:46:55,554 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2022-01-31 21:46:55,554 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-31 21:46:55,554 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=JORDAN [2022-01-31 21:46:55,554 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-31 21:46:55,694 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-31 21:46:55,718 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-31 21:46:55,719 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-31 21:46:55,720 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-31 21:46:55,720 INFO L275 PluginConnector]: CDTParser initialized [2022-01-31 21:46:55,721 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-zilu/benchmark23_conjunctive.i [2022-01-31 21:46:55,756 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d3368591/ad0ca5c1ebc14bedbb2d3d9a36242a14/FLAGdfcabe774 [2022-01-31 21:46:56,102 INFO L306 CDTParser]: Found 1 translation units. [2022-01-31 21:46:56,102 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-zilu/benchmark23_conjunctive.i [2022-01-31 21:46:56,116 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d3368591/ad0ca5c1ebc14bedbb2d3d9a36242a14/FLAGdfcabe774 [2022-01-31 21:46:56,124 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d3368591/ad0ca5c1ebc14bedbb2d3d9a36242a14 [2022-01-31 21:46:56,126 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-31 21:46:56,127 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-01-31 21:46:56,128 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-31 21:46:56,128 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-31 21:46:56,134 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-31 21:46:56,134 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 09:46:56" (1/1) ... [2022-01-31 21:46:56,135 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7276107e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:46:56, skipping insertion in model container [2022-01-31 21:46:56,135 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 09:46:56" (1/1) ... [2022-01-31 21:46:56,139 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-31 21:46:56,147 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-31 21:46:56,260 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-zilu/benchmark23_conjunctive.i[873,886] [2022-01-31 21:46:56,267 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 21:46:56,272 INFO L203 MainTranslator]: Completed pre-run [2022-01-31 21:46:56,280 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-zilu/benchmark23_conjunctive.i[873,886] [2022-01-31 21:46:56,284 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 21:46:56,294 INFO L208 MainTranslator]: Completed translation [2022-01-31 21:46:56,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:46:56 WrapperNode [2022-01-31 21:46:56,294 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-31 21:46:56,295 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-31 21:46:56,295 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-31 21:46:56,295 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-31 21:46:56,301 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:46:56" (1/1) ... [2022-01-31 21:46:56,301 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:46:56" (1/1) ... [2022-01-31 21:46:56,305 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:46:56" (1/1) ... [2022-01-31 21:46:56,305 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:46:56" (1/1) ... [2022-01-31 21:46:56,307 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:46:56" (1/1) ... [2022-01-31 21:46:56,309 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:46:56" (1/1) ... [2022-01-31 21:46:56,310 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:46:56" (1/1) ... [2022-01-31 21:46:56,311 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-31 21:46:56,311 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-31 21:46:56,311 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-31 21:46:56,311 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-31 21:46:56,312 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:46:56" (1/1) ... [2022-01-31 21:46:56,317 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 21:46:56,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-31 21:46:56,335 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) [2022-01-31 21:46:56,349 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 [2022-01-31 21:46:56,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-01-31 21:46:56,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-31 21:46:56,358 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-01-31 21:46:56,358 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-01-31 21:46:56,359 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-01-31 21:46:56,359 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-01-31 21:46:56,359 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2022-01-31 21:46:56,359 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2022-01-31 21:46:56,359 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-01-31 21:46:56,359 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-31 21:46:56,359 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-01-31 21:46:56,359 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2022-01-31 21:46:56,359 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-01-31 21:46:56,359 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-01-31 21:46:56,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-01-31 21:46:56,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-31 21:46:56,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-31 21:46:56,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-31 21:46:56,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-31 21:46:56,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-31 21:46:56,400 INFO L234 CfgBuilder]: Building ICFG [2022-01-31 21:46:56,401 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-31 21:46:56,467 INFO L275 CfgBuilder]: Performing block encoding [2022-01-31 21:46:56,471 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-31 21:46:56,471 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-01-31 21:46:56,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 09:46:56 BoogieIcfgContainer [2022-01-31 21:46:56,472 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-31 21:46:56,473 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-31 21:46:56,473 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-31 21:46:56,478 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-31 21:46:56,479 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 09:46:56" (1/3) ... [2022-01-31 21:46:56,479 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bde9f04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 09:46:56, skipping insertion in model container [2022-01-31 21:46:56,479 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:46:56" (2/3) ... [2022-01-31 21:46:56,479 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bde9f04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 09:46:56, skipping insertion in model container [2022-01-31 21:46:56,479 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 09:46:56" (3/3) ... [2022-01-31 21:46:56,480 INFO L111 eAbstractionObserver]: Analyzing ICFG benchmark23_conjunctive.i [2022-01-31 21:46:56,483 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-01-31 21:46:56,483 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-31 21:46:56,509 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-31 21:46:56,514 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=AcceleratedInterpolation, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=JORDAN [2022-01-31 21:46:56,514 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-31 21:46:56,525 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 13 states have internal predecessors, (17), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-01-31 21:46:56,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-01-31 21:46:56,531 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 21:46:56,532 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 21:46:56,532 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 21:46:56,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 21:46:56,535 INFO L85 PathProgramCache]: Analyzing trace with hash -304977768, now seen corresponding path program 1 times [2022-01-31 21:46:56,546 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 21:46:56,547 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [214685055] [2022-01-31 21:46:56,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 21:46:56,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 21:46:56,591 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 21:46:56,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 21:46:56,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 21:46:56,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 21:46:56,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 21:46:56,730 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 21:46:56,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [214685055] [2022-01-31 21:46:56,732 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [214685055] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 21:46:56,732 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 21:46:56,732 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-31 21:46:56,733 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429946413] [2022-01-31 21:46:56,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 21:46:56,736 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-31 21:46:56,736 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 21:46:56,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-31 21:46:56,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-31 21:46:56,767 INFO L87 Difference]: Start difference. First operand has 20 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 13 states have internal predecessors, (17), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:46:56,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 21:46:56,826 INFO L93 Difference]: Finished difference Result 33 states and 39 transitions. [2022-01-31 21:46:56,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-31 21:46:56,828 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-01-31 21:46:56,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 21:46:56,838 INFO L225 Difference]: With dead ends: 33 [2022-01-31 21:46:56,839 INFO L226 Difference]: Without dead ends: 14 [2022-01-31 21:46:56,853 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-31 21:46:56,856 INFO L933 BasicCegarLoop]: 19 mSDtfsCounter, 12 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-31 21:46:56,856 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 28 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-31 21:46:56,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-01-31 21:46:56,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-01-31 21:46:56,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 9 states have internal predecessors, (10), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:46:56,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2022-01-31 21:46:56,889 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 12 [2022-01-31 21:46:56,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 21:46:56,889 INFO L470 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2022-01-31 21:46:56,889 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:46:56,889 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2022-01-31 21:46:56,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-01-31 21:46:56,890 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 21:46:56,890 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 21:46:56,890 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-31 21:46:56,891 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 21:46:56,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 21:46:56,892 INFO L85 PathProgramCache]: Analyzing trace with hash -828987386, now seen corresponding path program 1 times [2022-01-31 21:46:56,892 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 21:46:56,892 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [433132113] [2022-01-31 21:46:56,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 21:46:57,015 INFO L87 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 2 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={1=1, 2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2022-01-31 21:46:57,016 INFO L236 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2022-01-31 21:46:57,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 21:46:57,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 21:46:57,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 21:46:57,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 21:46:57,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 21:46:57,281 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 21:46:57,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [433132113] [2022-01-31 21:46:57,282 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [433132113] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 21:46:57,282 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 21:46:57,282 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-31 21:46:57,282 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495012134] [2022-01-31 21:46:57,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 21:46:57,283 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-31 21:46:57,283 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 21:46:57,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-31 21:46:57,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-01-31 21:46:57,284 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand has 7 states, 6 states have (on average 1.5) internal successors, (9), 5 states have internal predecessors, (9), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:46:57,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 21:46:57,347 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2022-01-31 21:46:57,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-31 21:46:57,348 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 1.5) internal successors, (9), 5 states have internal predecessors, (9), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2022-01-31 21:46:57,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 21:46:57,351 INFO L225 Difference]: With dead ends: 14 [2022-01-31 21:46:57,351 INFO L226 Difference]: Without dead ends: 0 [2022-01-31 21:46:57,352 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2022-01-31 21:46:57,352 INFO L933 BasicCegarLoop]: 8 mSDtfsCounter, 4 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 4 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-31 21:46:57,353 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 33 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 4 Unchecked, 0.0s Time] [2022-01-31 21:46:57,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-31 21:46:57,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-31 21:46:57,354 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) [2022-01-31 21:46:57,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-31 21:46:57,354 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2022-01-31 21:46:57,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 21:46:57,355 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-31 21:46:57,355 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 1.5) internal successors, (9), 5 states have internal predecessors, (9), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:46:57,355 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-31 21:46:57,355 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-31 21:46:57,356 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-31 21:46:57,357 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-31 21:46:57,358 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-31 21:46:57,416 INFO L858 garLoopResultBuilder]: For program point reach_errorEXIT(line 11) no Hoare annotation was computed. [2022-01-31 21:46:57,418 INFO L858 garLoopResultBuilder]: For program point reach_errorENTRY(line 11) no Hoare annotation was computed. [2022-01-31 21:46:57,419 INFO L858 garLoopResultBuilder]: For program point L11-1(line 11) no Hoare annotation was computed. [2022-01-31 21:46:57,423 INFO L861 garLoopResultBuilder]: At program point mainENTRY(lines 19 29) the Hoare annotation is: true [2022-01-31 21:46:57,423 INFO L861 garLoopResultBuilder]: At program point L27(line 27) the Hoare annotation is: true [2022-01-31 21:46:57,423 INFO L861 garLoopResultBuilder]: At program point mainEXIT(lines 19 29) the Hoare annotation is: true [2022-01-31 21:46:57,423 INFO L861 garLoopResultBuilder]: At program point L22(line 22) the Hoare annotation is: true [2022-01-31 21:46:57,424 INFO L854 garLoopResultBuilder]: At program point L23-2(lines 23 26) the Hoare annotation is: (exists ((|v_main_#t~post3_5| Int) (v_main_~i~0_9 Int) (v_main_~j~0_10 Int)) (let ((.cse0 (* v_main_~i~0_9 2))) (and (<= v_main_~i~0_9 0) (or (and (= v_main_~j~0_10 main_~j~0) (= |main_#t~post3| |v_main_#t~post3_5|) (= v_main_~i~0_9 main_~i~0)) (and (< main_~i~0 101) (< v_main_~i~0_9 main_~i~0) (= (+ v_main_~j~0_10 (* main_~i~0 2)) (+ main_~j~0 .cse0)))) (<= v_main_~j~0_10 .cse0) (<= .cse0 v_main_~j~0_10)))) [2022-01-31 21:46:57,424 INFO L854 garLoopResultBuilder]: At program point L23-3(lines 23 26) the Hoare annotation is: (and (<= main_~j~0 200) (< 199 main_~j~0)) [2022-01-31 21:46:57,424 INFO L861 garLoopResultBuilder]: At program point mainFINAL(lines 19 29) the Hoare annotation is: true [2022-01-31 21:46:57,424 INFO L861 garLoopResultBuilder]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2022-01-31 21:46:57,424 INFO L854 garLoopResultBuilder]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|)) [2022-01-31 21:46:57,424 INFO L861 garLoopResultBuilder]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2022-01-31 21:46:57,424 INFO L861 garLoopResultBuilder]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2022-01-31 21:46:57,424 INFO L861 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: true [2022-01-31 21:46:57,425 INFO L861 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-01-31 21:46:57,425 INFO L861 garLoopResultBuilder]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2022-01-31 21:46:57,425 INFO L854 garLoopResultBuilder]: At program point L16(line 16) the Hoare annotation is: (= |__VERIFIER_assert_#in~cond| 0) [2022-01-31 21:46:57,425 INFO L854 garLoopResultBuilder]: At program point L15(lines 15 17) the Hoare annotation is: (or (= |__VERIFIER_assert_#in~cond| 0) (not (= __VERIFIER_assert_~cond 0))) [2022-01-31 21:46:57,425 INFO L861 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 14 18) the Hoare annotation is: true [2022-01-31 21:46:57,425 INFO L861 garLoopResultBuilder]: At program point L15-2(lines 14 18) the Hoare annotation is: true [2022-01-31 21:46:57,425 INFO L861 garLoopResultBuilder]: At program point __VERIFIER_assertEXIT(lines 14 18) the Hoare annotation is: true [2022-01-31 21:46:57,425 INFO L854 garLoopResultBuilder]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 16) the Hoare annotation is: (= |__VERIFIER_assert_#in~cond| 0) [2022-01-31 21:46:57,430 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-01-31 21:46:57,431 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-01-31 21:46:57,436 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_9,QUANTIFIED] [2022-01-31 21:46:57,436 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_10,QUANTIFIED] [2022-01-31 21:46:57,437 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post3_5,QUANTIFIED] [2022-01-31 21:46:57,437 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_9,QUANTIFIED] [2022-01-31 21:46:57,437 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_9,QUANTIFIED] [2022-01-31 21:46:57,437 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_10,QUANTIFIED] [2022-01-31 21:46:57,437 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_9,QUANTIFIED] [2022-01-31 21:46:57,437 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_10,QUANTIFIED] [2022-01-31 21:46:57,437 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_9,QUANTIFIED] [2022-01-31 21:46:57,437 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_9,QUANTIFIED] [2022-01-31 21:46:57,438 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_10,QUANTIFIED] [2022-01-31 21:46:57,446 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_9,QUANTIFIED] [2022-01-31 21:46:57,446 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_10,QUANTIFIED] [2022-01-31 21:46:57,446 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post3_5,QUANTIFIED] [2022-01-31 21:46:57,446 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_9,QUANTIFIED] [2022-01-31 21:46:57,446 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_9,QUANTIFIED] [2022-01-31 21:46:57,446 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_10,QUANTIFIED] [2022-01-31 21:46:57,446 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_9,QUANTIFIED] [2022-01-31 21:46:57,447 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_10,QUANTIFIED] [2022-01-31 21:46:57,447 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_9,QUANTIFIED] [2022-01-31 21:46:57,447 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_9,QUANTIFIED] [2022-01-31 21:46:57,447 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_10,QUANTIFIED] [2022-01-31 21:46:57,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 09:46:57 BoogieIcfgContainer [2022-01-31 21:46:57,449 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-31 21:46:57,450 INFO L158 Benchmark]: Toolchain (without parser) took 1322.63ms. Allocated memory was 206.6MB in the beginning and 284.2MB in the end (delta: 77.6MB). Free memory was 154.8MB in the beginning and 192.0MB in the end (delta: -37.2MB). Peak memory consumption was 40.7MB. Max. memory is 8.0GB. [2022-01-31 21:46:57,452 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 206.6MB. Free memory was 171.6MB in the beginning and 171.6MB in the end (delta: 73.8kB). There was no memory consumed. Max. memory is 8.0GB. [2022-01-31 21:46:57,455 INFO L158 Benchmark]: CACSL2BoogieTranslator took 166.81ms. Allocated memory was 206.6MB in the beginning and 284.2MB in the end (delta: 77.6MB). Free memory was 154.6MB in the beginning and 258.7MB in the end (delta: -104.1MB). Peak memory consumption was 15.6MB. Max. memory is 8.0GB. [2022-01-31 21:46:57,456 INFO L158 Benchmark]: Boogie Preprocessor took 16.04ms. Allocated memory is still 284.2MB. Free memory was 258.7MB in the beginning and 257.3MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-31 21:46:57,457 INFO L158 Benchmark]: RCFGBuilder took 160.77ms. Allocated memory is still 284.2MB. Free memory was 257.3MB in the beginning and 247.2MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-01-31 21:46:57,458 INFO L158 Benchmark]: TraceAbstraction took 975.79ms. Allocated memory is still 284.2MB. Free memory was 246.5MB in the beginning and 192.0MB in the end (delta: 54.5MB). Peak memory consumption was 54.5MB. Max. memory is 8.0GB. [2022-01-31 21:46:57,460 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 206.6MB. Free memory was 171.6MB in the beginning and 171.6MB in the end (delta: 73.8kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 166.81ms. Allocated memory was 206.6MB in the beginning and 284.2MB in the end (delta: 77.6MB). Free memory was 154.6MB in the beginning and 258.7MB in the end (delta: -104.1MB). Peak memory consumption was 15.6MB. Max. memory is 8.0GB. * Boogie Preprocessor took 16.04ms. Allocated memory is still 284.2MB. Free memory was 258.7MB in the beginning and 257.3MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 160.77ms. Allocated memory is still 284.2MB. Free memory was 257.3MB in the beginning and 247.2MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 975.79ms. Allocated memory is still 284.2MB. Free memory was 246.5MB in the beginning and 192.0MB in the end (delta: 54.5MB). Peak memory consumption was 54.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post3_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post3_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_10,QUANTIFIED] * 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: 16]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 23 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 17 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16 mSDsluCounter, 61 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 4 IncrementalHoareTripleChecker+Unchecked, 34 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 27 IncrementalHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 27 mSDtfsCounter, 27 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20occurred in iteration=0, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 20 LocationsWithAnnotation, 26 PreInvPairs, 35 NumberOfFragments, 86 HoareAnnotationTreeSize, 26 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 20 FomulaSimplificationsInter, 54 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: No data available, 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 1 specifications checked. All of them hold - InvariantResult [Line: 23]: Loop Invariant [2022-01-31 21:46:57,466 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_9,QUANTIFIED] [2022-01-31 21:46:57,467 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_10,QUANTIFIED] [2022-01-31 21:46:57,467 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post3_5,QUANTIFIED] [2022-01-31 21:46:57,467 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_9,QUANTIFIED] [2022-01-31 21:46:57,467 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_9,QUANTIFIED] [2022-01-31 21:46:57,467 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_10,QUANTIFIED] [2022-01-31 21:46:57,467 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_9,QUANTIFIED] [2022-01-31 21:46:57,467 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_10,QUANTIFIED] [2022-01-31 21:46:57,467 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_9,QUANTIFIED] [2022-01-31 21:46:57,467 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_9,QUANTIFIED] [2022-01-31 21:46:57,468 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_10,QUANTIFIED] [2022-01-31 21:46:57,469 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_9,QUANTIFIED] [2022-01-31 21:46:57,470 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_10,QUANTIFIED] [2022-01-31 21:46:57,473 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post3_5,QUANTIFIED] [2022-01-31 21:46:57,473 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_9,QUANTIFIED] [2022-01-31 21:46:57,473 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_9,QUANTIFIED] [2022-01-31 21:46:57,473 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_10,QUANTIFIED] [2022-01-31 21:46:57,473 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_9,QUANTIFIED] [2022-01-31 21:46:57,473 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_10,QUANTIFIED] [2022-01-31 21:46:57,473 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_9,QUANTIFIED] [2022-01-31 21:46:57,473 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~i~0_9,QUANTIFIED] [2022-01-31 21:46:57,473 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_10,QUANTIFIED] Derived loop invariant: (\exists v_main_#t~post3_5 : int, v_main_~i~0_9 : int, v_main_~j~0_10 : int :: ((v_main_~i~0_9 <= 0 && (((v_main_~j~0_10 == j && aux-i++-aux == v_main_#t~post3_5) && v_main_~i~0_9 == i) || ((i < 101 && v_main_~i~0_9 < i) && v_main_~j~0_10 + i * 2 == j + v_main_~i~0_9 * 2))) && v_main_~j~0_10 <= v_main_~i~0_9 * 2) && v_main_~i~0_9 * 2 <= v_main_~j~0_10) - ProcedureContractResult [Line: 19]: Procedure Contract for main Derived contract for procedure main: 1 - ProcedureContractResult [Line: 14]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert: 1 RESULT: Ultimate proved your program to be correct! [2022-01-31 21:46:57,505 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...