/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/loops-crafted-1/loopv2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-d966a43 [2022-01-31 21:17:42,649 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-31 21:17:42,651 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-31 21:17:42,695 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-31 21:17:42,747 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-31 21:17:42,747 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-31 21:17:42,748 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-31 21:17:42,749 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 21:17:42,756 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-31 21:17:42,756 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-31 21:17:42,757 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-31 21:17:42,758 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-31 21:17:42,758 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-31 21:17:42,758 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-31 21:17:42,758 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-31 21:17:42,758 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-31 21:17:42,758 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-31 21:17:42,758 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-31 21:17:42,759 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-31 21:17:42,759 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-31 21:17:42,759 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-31 21:17:42,759 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-31 21:17:42,759 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-31 21:17:42,759 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-31 21:17:42,759 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-31 21:17:42,759 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-31 21:17:42,759 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 21:17:42,760 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-31 21:17:42,760 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2022-01-31 21:17:42,760 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-31 21:17:42,760 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=JORDAN [2022-01-31 21:17:42,760 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-31 21:17:42,918 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-31 21:17:42,943 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-31 21:17:42,945 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-31 21:17:42,945 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-31 21:17:42,946 INFO L275 PluginConnector]: CDTParser initialized [2022-01-31 21:17:42,947 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops-crafted-1/loopv2.c [2022-01-31 21:17:43,006 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f44ea72e/4a158f14effe44f480943f8f9926d37f/FLAG97088ec54 [2022-01-31 21:17:43,294 INFO L306 CDTParser]: Found 1 translation units. [2022-01-31 21:17:43,295 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/loopv2.c [2022-01-31 21:17:43,307 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f44ea72e/4a158f14effe44f480943f8f9926d37f/FLAG97088ec54 [2022-01-31 21:17:43,729 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f44ea72e/4a158f14effe44f480943f8f9926d37f [2022-01-31 21:17:43,730 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-31 21:17:43,731 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-01-31 21:17:43,732 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-31 21:17:43,732 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-31 21:17:43,734 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-31 21:17:43,735 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 09:17:43" (1/1) ... [2022-01-31 21:17:43,735 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18d3bbb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:17:43, skipping insertion in model container [2022-01-31 21:17:43,735 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 09:17:43" (1/1) ... [2022-01-31 21:17:43,740 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-31 21:17:43,748 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-31 21:17:43,842 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/loopv2.c[454,467] [2022-01-31 21:17:43,864 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 21:17:43,869 INFO L203 MainTranslator]: Completed pre-run [2022-01-31 21:17:43,876 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/loopv2.c[454,467] [2022-01-31 21:17:43,880 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 21:17:43,887 INFO L208 MainTranslator]: Completed translation [2022-01-31 21:17:43,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:17:43 WrapperNode [2022-01-31 21:17:43,888 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-31 21:17:43,889 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-31 21:17:43,889 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-31 21:17:43,889 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-31 21:17:43,896 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:17:43" (1/1) ... [2022-01-31 21:17:43,896 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:17:43" (1/1) ... [2022-01-31 21:17:43,900 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:17:43" (1/1) ... [2022-01-31 21:17:43,900 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:17:43" (1/1) ... [2022-01-31 21:17:43,903 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:17:43" (1/1) ... [2022-01-31 21:17:43,905 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:17:43" (1/1) ... [2022-01-31 21:17:43,907 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:17:43" (1/1) ... [2022-01-31 21:17:43,913 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-31 21:17:43,913 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-31 21:17:43,913 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-31 21:17:43,913 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-31 21:17:43,914 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:17:43" (1/1) ... [2022-01-31 21:17:43,918 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 21:17:43,932 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-31 21:17:43,950 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 21:17:43,979 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 21:17:44,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-01-31 21:17:44,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-31 21:17:44,002 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-01-31 21:17:44,002 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-01-31 21:17:44,002 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-01-31 21:17:44,002 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-01-31 21:17:44,002 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-01-31 21:17:44,003 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-01-31 21:17:44,003 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-01-31 21:17:44,003 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-01-31 21:17:44,003 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-31 21:17:44,003 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-01-31 21:17:44,003 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-01-31 21:17:44,003 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-01-31 21:17:44,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-01-31 21:17:44,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-31 21:17:44,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-31 21:17:44,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-31 21:17:44,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-31 21:17:44,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-31 21:17:44,050 INFO L234 CfgBuilder]: Building ICFG [2022-01-31 21:17:44,051 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-31 21:17:44,118 INFO L275 CfgBuilder]: Performing block encoding [2022-01-31 21:17:44,122 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-31 21:17:44,122 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-01-31 21:17:44,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 09:17:44 BoogieIcfgContainer [2022-01-31 21:17:44,123 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-31 21:17:44,124 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-31 21:17:44,124 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-31 21:17:44,128 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-31 21:17:44,128 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 09:17:43" (1/3) ... [2022-01-31 21:17:44,129 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58d74cea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 09:17:44, skipping insertion in model container [2022-01-31 21:17:44,129 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 09:17:43" (2/3) ... [2022-01-31 21:17:44,129 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58d74cea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 09:17:44, skipping insertion in model container [2022-01-31 21:17:44,129 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 09:17:44" (3/3) ... [2022-01-31 21:17:44,130 INFO L111 eAbstractionObserver]: Analyzing ICFG loopv2.c [2022-01-31 21:17:44,133 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-01-31 21:17:44,133 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-31 21:17:44,158 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-31 21:17:44,162 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 21:17:44,162 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-31 21:17:44,174 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 14 states have (on average 1.5) internal successors, (21), 15 states have internal predecessors, (21), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-01-31 21:17:44,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-01-31 21:17:44,186 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 21:17:44,186 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 21:17:44,187 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 21:17:44,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 21:17:44,193 INFO L85 PathProgramCache]: Analyzing trace with hash -1146993295, now seen corresponding path program 1 times [2022-01-31 21:17:44,198 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 21:17:44,199 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1910686139] [2022-01-31 21:17:44,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 21:17:44,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 21:17:44,240 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 21:17:44,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 21:17:44,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 21:17:44,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 21:17:44,426 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 21:17:44,427 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 21:17:44,427 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1910686139] [2022-01-31 21:17:44,428 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [1910686139] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 21:17:44,428 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 21:17:44,429 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-31 21:17:44,429 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305934381] [2022-01-31 21:17:44,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 21:17:44,432 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-31 21:17:44,432 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 21:17:44,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-31 21:17:44,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-31 21:17:44,454 INFO L87 Difference]: Start difference. First operand has 22 states, 14 states have (on average 1.5) internal successors, (21), 15 states have internal predecessors, (21), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 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 21:17:44,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 21:17:44,539 INFO L93 Difference]: Finished difference Result 39 states and 51 transitions. [2022-01-31 21:17:44,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-31 21:17:44,540 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 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 14 [2022-01-31 21:17:44,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 21:17:44,549 INFO L225 Difference]: With dead ends: 39 [2022-01-31 21:17:44,549 INFO L226 Difference]: Without dead ends: 18 [2022-01-31 21:17:44,552 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 21:17:44,555 INFO L933 BasicCegarLoop]: 20 mSDtfsCounter, 18 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-31 21:17:44,556 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 29 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-31 21:17:44,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2022-01-31 21:17:44,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2022-01-31 21:17:44,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 13 states have internal predecessors, (16), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-31 21:17:44,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 20 transitions. [2022-01-31 21:17:44,586 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 20 transitions. Word has length 14 [2022-01-31 21:17:44,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 21:17:44,586 INFO L470 AbstractCegarLoop]: Abstraction has 18 states and 20 transitions. [2022-01-31 21:17:44,586 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 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 21:17:44,586 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2022-01-31 21:17:44,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-01-31 21:17:44,587 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 21:17:44,587 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 21:17:44,588 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-31 21:17:44,588 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 21:17:44,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 21:17:44,588 INFO L85 PathProgramCache]: Analyzing trace with hash -1162558691, now seen corresponding path program 1 times [2022-01-31 21:17:44,588 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 21:17:44,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [953641382] [2022-01-31 21:17:44,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 21:17:44,688 INFO L87 AcceleratorJordan]: Jordan loop acceleration statistics: 0 HavocedVariables, 2 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={1=1, 2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2022-01-31 21:17:44,691 INFO L236 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2022-01-31 21:17:44,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 21:17:44,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 21:17:44,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 21:17:44,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 21:17:44,828 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 21:17:44,963 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 21:17:44,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [953641382] [2022-01-31 21:17:44,964 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [953641382] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 21:17:44,964 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 21:17:44,964 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-31 21:17:44,964 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000861249] [2022-01-31 21:17:44,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 21:17:44,965 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-31 21:17:44,965 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 21:17:44,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-31 21:17:44,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-01-31 21:17:44,966 INFO L87 Difference]: Start difference. First operand 18 states and 20 transitions. Second operand has 9 states, 8 states have (on average 1.375) internal successors, (11), 7 states have internal predecessors, (11), 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 21:17:45,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 21:17:45,121 INFO L93 Difference]: Finished difference Result 24 states and 26 transitions. [2022-01-31 21:17:45,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-31 21:17:45,122 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 1.375) internal successors, (11), 7 states have internal predecessors, (11), 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 15 [2022-01-31 21:17:45,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 21:17:45,123 INFO L225 Difference]: With dead ends: 24 [2022-01-31 21:17:45,123 INFO L226 Difference]: Without dead ends: 16 [2022-01-31 21:17:45,128 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2022-01-31 21:17:45,129 INFO L933 BasicCegarLoop]: 11 mSDtfsCounter, 13 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-31 21:17:45,130 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 43 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-31 21:17:45,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2022-01-31 21:17:45,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2022-01-31 21:17:45,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 states have internal predecessors, (13), 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 21:17:45,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions. [2022-01-31 21:17:45,136 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 15 [2022-01-31 21:17:45,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 21:17:45,137 INFO L470 AbstractCegarLoop]: Abstraction has 16 states and 17 transitions. [2022-01-31 21:17:45,137 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 1.375) internal successors, (11), 7 states have internal predecessors, (11), 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 21:17:45,138 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2022-01-31 21:17:45,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-01-31 21:17:45,139 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 21:17:45,139 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 21:17:45,140 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-31 21:17:45,140 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 21:17:45,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 21:17:45,143 INFO L85 PathProgramCache]: Analyzing trace with hash 1035344830, now seen corresponding path program 1 times [2022-01-31 21:17:45,145 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 21:17:45,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [201054652] [2022-01-31 21:17:45,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 21:17:45,241 INFO L87 AcceleratorJordan]: Jordan loop acceleration statistics: 0 HavocedVariables, 2 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {0={1=1}, 1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2022-01-31 21:17:45,242 INFO L236 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2022-01-31 21:17:45,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 21:17:45,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 21:17:45,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 21:17:45,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 21:17:45,316 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 21:17:45,433 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 21:17:45,433 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [201054652] [2022-01-31 21:17:45,433 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [201054652] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 21:17:45,433 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 21:17:45,434 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-31 21:17:45,434 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766140983] [2022-01-31 21:17:45,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 21:17:45,434 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-31 21:17:45,434 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 21:17:45,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-31 21:17:45,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-01-31 21:17:45,435 INFO L87 Difference]: Start difference. First operand 16 states and 17 transitions. Second operand has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 5 states have internal predecessors, (11), 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 21:17:45,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 21:17:45,516 INFO L93 Difference]: Finished difference Result 16 states and 17 transitions. [2022-01-31 21:17:45,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-31 21:17:45,516 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 5 states have internal predecessors, (11), 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 15 [2022-01-31 21:17:45,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 21:17:45,516 INFO L225 Difference]: With dead ends: 16 [2022-01-31 21:17:45,516 INFO L226 Difference]: Without dead ends: 0 [2022-01-31 21:17:45,517 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-01-31 21:17:45,517 INFO L933 BasicCegarLoop]: 7 mSDtfsCounter, 2 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 3 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-31 21:17:45,518 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 14 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 7 Invalid, 0 Unknown, 3 Unchecked, 0.0s Time] [2022-01-31 21:17:45,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-31 21:17:45,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-31 21:17:45,518 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 21:17:45,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-31 21:17:45,518 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2022-01-31 21:17:45,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 21:17:45,519 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-31 21:17:45,519 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 5 states have internal predecessors, (11), 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 21:17:45,519 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-31 21:17:45,519 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-31 21:17:45,521 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-31 21:17:45,521 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-31 21:17:45,522 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-31 21:17:45,619 INFO L858 garLoopResultBuilder]: For program point reach_errorEXIT(line 5) no Hoare annotation was computed. [2022-01-31 21:17:45,619 INFO L858 garLoopResultBuilder]: For program point reach_errorENTRY(line 5) no Hoare annotation was computed. [2022-01-31 21:17:45,620 INFO L858 garLoopResultBuilder]: For program point reach_errorFINAL(line 5) no Hoare annotation was computed. [2022-01-31 21:17:45,620 INFO L858 garLoopResultBuilder]: For program point assume_abort_if_notENTRY(lines 7 9) no Hoare annotation was computed. [2022-01-31 21:17:45,620 INFO L858 garLoopResultBuilder]: For program point L8(line 8) no Hoare annotation was computed. [2022-01-31 21:17:45,620 INFO L858 garLoopResultBuilder]: For program point L8-2(lines 7 9) no Hoare annotation was computed. [2022-01-31 21:17:45,620 INFO L858 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 7 9) no Hoare annotation was computed. [2022-01-31 21:17:45,620 INFO L861 garLoopResultBuilder]: At program point mainEXIT(lines 17 34) the Hoare annotation is: true [2022-01-31 21:17:45,620 INFO L861 garLoopResultBuilder]: At program point mainFINAL(lines 17 34) the Hoare annotation is: true [2022-01-31 21:17:45,620 INFO L861 garLoopResultBuilder]: At program point L32(line 32) the Hoare annotation is: true [2022-01-31 21:17:45,620 INFO L861 garLoopResultBuilder]: At program point mainENTRY(lines 17 34) the Hoare annotation is: true [2022-01-31 21:17:45,620 INFO L854 garLoopResultBuilder]: At program point L28-2(lines 28 31) the Hoare annotation is: (= (* 2 (div main_~j~0 2)) main_~j~0) [2022-01-31 21:17:45,620 INFO L854 garLoopResultBuilder]: At program point L28-3(lines 28 31) the Hoare annotation is: false [2022-01-31 21:17:45,621 INFO L861 garLoopResultBuilder]: At program point L20(line 20) the Hoare annotation is: true [2022-01-31 21:17:45,621 INFO L854 garLoopResultBuilder]: At program point L22-2(lines 22 26) the Hoare annotation is: (or (and (= main_~j~0 (+ main_~i~0 2)) (< main_~i~0 (+ main_~n~0 4)) (or (= main_~i~0 4) (and (= (mod (* main_~i~0 3) 4) 0) (exists ((aux_div_v_main_~j~0_14_42 Int) (aux_div_aux_mod_aux_mod_v_main_~j~0_14_42_77_100 Int) (aux_div_aux_mod_aux_mod_aux_mod_v_main_~j~0_14_42_77_100_56 Int)) (let ((.cse0 (* aux_div_aux_mod_aux_mod_v_main_~j~0_14_42_77_100 4)) (.cse2 (* aux_div_aux_mod_aux_mod_aux_mod_v_main_~j~0_14_42_77_100_56 4))) (let ((.cse3 (+ (* aux_div_v_main_~j~0_14_42 4) .cse2)) (.cse1 (+ (* (div (+ (* (- 1) main_~i~0) 4) (- 4)) 4) .cse2)) (.cse4 (+ 4 .cse0))) (and (<= .cse0 .cse1) (<= 0 .cse2) (< aux_div_aux_mod_aux_mod_v_main_~j~0_14_42_77_100 (+ 2 (div (+ (- 1) main_~n~0) 4))) (<= .cse0 .cse3) (< .cse3 .cse4) (< .cse2 4) (< 0 aux_div_v_main_~j~0_14_42) (< .cse1 .cse4)))))))) (and (= main_~j~0 0) (= main_~i~0 0))) [2022-01-31 21:17:45,621 INFO L854 garLoopResultBuilder]: At program point L22-3(lines 22 26) the Hoare annotation is: (= (* 2 (div main_~j~0 2)) main_~j~0) [2022-01-31 21:17:45,621 INFO L861 garLoopResultBuilder]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2022-01-31 21:17:45,621 INFO L854 garLoopResultBuilder]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~SIZE~0)| ~SIZE~0) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|)) [2022-01-31 21:17:45,621 INFO L861 garLoopResultBuilder]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2022-01-31 21:17:45,621 INFO L861 garLoopResultBuilder]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2022-01-31 21:17:45,621 INFO L861 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: true [2022-01-31 21:17:45,621 INFO L861 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-01-31 21:17:45,621 INFO L861 garLoopResultBuilder]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2022-01-31 21:17:45,622 INFO L861 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 10 15) the Hoare annotation is: true [2022-01-31 21:17:45,622 INFO L861 garLoopResultBuilder]: At program point L12(line 12) the Hoare annotation is: true [2022-01-31 21:17:45,622 INFO L861 garLoopResultBuilder]: At program point L11(lines 11 13) the Hoare annotation is: true [2022-01-31 21:17:45,622 INFO L861 garLoopResultBuilder]: At program point __VERIFIER_assertEXIT(lines 10 15) the Hoare annotation is: true [2022-01-31 21:17:45,622 INFO L861 garLoopResultBuilder]: At program point L11-2(lines 10 15) the Hoare annotation is: true [2022-01-31 21:17:45,622 INFO L861 garLoopResultBuilder]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) the Hoare annotation is: true [2022-01-31 21:17:45,624 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-01-31 21:17:45,625 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-01-31 21:17:45,634 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_main_~j~0_14_42_77_100,QUANTIFIED] [2022-01-31 21:17:45,634 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_aux_mod_v_main_~j~0_14_42_77_100_56,QUANTIFIED] [2022-01-31 21:17:45,634 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_aux_mod_v_main_~j~0_14_42_77_100_56,QUANTIFIED] [2022-01-31 21:17:45,635 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_main_~j~0_14_42_77_100,QUANTIFIED] [2022-01-31 21:17:45,635 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_main_~j~0_14_42_77_100,QUANTIFIED] [2022-01-31 21:17:45,635 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~j~0_14_42,QUANTIFIED] [2022-01-31 21:17:45,635 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_aux_mod_v_main_~j~0_14_42_77_100_56,QUANTIFIED] [2022-01-31 21:17:45,635 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~j~0_14_42,QUANTIFIED] [2022-01-31 21:17:45,635 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_aux_mod_v_main_~j~0_14_42_77_100_56,QUANTIFIED] [2022-01-31 21:17:45,635 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_main_~j~0_14_42_77_100,QUANTIFIED] [2022-01-31 21:17:45,635 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_aux_mod_v_main_~j~0_14_42_77_100_56,QUANTIFIED] [2022-01-31 21:17:45,635 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~j~0_14_42,QUANTIFIED] [2022-01-31 21:17:45,635 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_aux_mod_v_main_~j~0_14_42_77_100_56,QUANTIFIED] [2022-01-31 21:17:45,635 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_main_~j~0_14_42_77_100,QUANTIFIED] [2022-01-31 21:17:45,636 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_main_~j~0_14_42_77_100,QUANTIFIED] [2022-01-31 21:17:45,637 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_aux_mod_v_main_~j~0_14_42_77_100_56,QUANTIFIED] [2022-01-31 21:17:45,637 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_aux_mod_v_main_~j~0_14_42_77_100_56,QUANTIFIED] [2022-01-31 21:17:45,637 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_main_~j~0_14_42_77_100,QUANTIFIED] [2022-01-31 21:17:45,637 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_main_~j~0_14_42_77_100,QUANTIFIED] [2022-01-31 21:17:45,637 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~j~0_14_42,QUANTIFIED] [2022-01-31 21:17:45,637 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_aux_mod_v_main_~j~0_14_42_77_100_56,QUANTIFIED] [2022-01-31 21:17:45,637 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~j~0_14_42,QUANTIFIED] [2022-01-31 21:17:45,637 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_aux_mod_v_main_~j~0_14_42_77_100_56,QUANTIFIED] [2022-01-31 21:17:45,637 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_main_~j~0_14_42_77_100,QUANTIFIED] [2022-01-31 21:17:45,638 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_aux_mod_v_main_~j~0_14_42_77_100_56,QUANTIFIED] [2022-01-31 21:17:45,638 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~j~0_14_42,QUANTIFIED] [2022-01-31 21:17:45,638 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_aux_mod_v_main_~j~0_14_42_77_100_56,QUANTIFIED] [2022-01-31 21:17:45,638 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_main_~j~0_14_42_77_100,QUANTIFIED] [2022-01-31 21:17:45,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 09:17:45 BoogieIcfgContainer [2022-01-31 21:17:45,639 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-31 21:17:45,639 INFO L158 Benchmark]: Toolchain (without parser) took 1908.00ms. Allocated memory is still 224.4MB. Free memory was 175.9MB in the beginning and 87.8MB in the end (delta: 88.1MB). Peak memory consumption was 87.7MB. Max. memory is 8.0GB. [2022-01-31 21:17:45,639 INFO L158 Benchmark]: CDTParser took 0.08ms. Allocated memory is still 224.4MB. Free memory is still 191.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-31 21:17:45,640 INFO L158 Benchmark]: CACSL2BoogieTranslator took 156.02ms. Allocated memory is still 224.4MB. Free memory was 175.7MB in the beginning and 202.1MB in the end (delta: -26.4MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-01-31 21:17:45,640 INFO L158 Benchmark]: Boogie Preprocessor took 24.00ms. Allocated memory is still 224.4MB. Free memory was 202.1MB in the beginning and 200.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-31 21:17:45,640 INFO L158 Benchmark]: RCFGBuilder took 210.27ms. Allocated memory is still 224.4MB. Free memory was 200.6MB in the beginning and 190.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-01-31 21:17:45,640 INFO L158 Benchmark]: TraceAbstraction took 1514.47ms. Allocated memory is still 224.4MB. Free memory was 189.6MB in the beginning and 87.8MB in the end (delta: 101.7MB). Peak memory consumption was 101.7MB. Max. memory is 8.0GB. [2022-01-31 21:17:45,641 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.08ms. Allocated memory is still 224.4MB. Free memory is still 191.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 156.02ms. Allocated memory is still 224.4MB. Free memory was 175.7MB in the beginning and 202.1MB in the end (delta: -26.4MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 24.00ms. Allocated memory is still 224.4MB. Free memory was 202.1MB in the beginning and 200.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 210.27ms. Allocated memory is still 224.4MB. Free memory was 200.6MB in the beginning and 190.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 1514.47ms. Allocated memory is still 224.4MB. Free memory was 189.6MB in the beginning and 87.8MB in the end (delta: 101.7MB). Peak memory consumption was 101.7MB. 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[aux_div_aux_mod_aux_mod_v_main_~j~0_14_42_77_100,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_aux_mod_v_main_~j~0_14_42_77_100_56,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_aux_mod_v_main_~j~0_14_42_77_100_56,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_main_~j~0_14_42_77_100,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_main_~j~0_14_42_77_100,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~j~0_14_42,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_aux_mod_v_main_~j~0_14_42_77_100_56,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~j~0_14_42,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_aux_mod_v_main_~j~0_14_42_77_100_56,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_main_~j~0_14_42_77_100,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_aux_mod_v_main_~j~0_14_42_77_100_56,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~j~0_14_42,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_aux_mod_v_main_~j~0_14_42_77_100_56,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_main_~j~0_14_42_77_100,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_main_~j~0_14_42_77_100,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_aux_mod_v_main_~j~0_14_42_77_100_56,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_aux_mod_v_main_~j~0_14_42_77_100_56,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_main_~j~0_14_42_77_100,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_main_~j~0_14_42_77_100,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~j~0_14_42,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_aux_mod_v_main_~j~0_14_42_77_100_56,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~j~0_14_42,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_aux_mod_v_main_~j~0_14_42_77_100_56,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_main_~j~0_14_42_77_100,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_aux_mod_v_main_~j~0_14_42_77_100_56,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~j~0_14_42,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_aux_mod_v_main_~j~0_14_42_77_100_56,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_main_~j~0_14_42_77_100,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: 12]: 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 6 procedures, 29 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 34 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 33 mSDsluCounter, 86 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 3 IncrementalHoareTripleChecker+Unchecked, 48 mSDsCounter, 20 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 105 IncrementalHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 20 mSolverCounterUnsat, 38 mSDtfsCounter, 105 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=0, InterpolantAutomatonStates: 17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 22 LocationsWithAnnotation, 34 PreInvPairs, 49 NumberOfFragments, 157 HoareAnnotationTreeSize, 34 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 22 FomulaSimplificationsInter, 116 FormulaSimplificationTreeSizeReductionInter, 0.1s 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: 28]: Loop Invariant Derived loop invariant: 2 * (j / 2) == j - InvariantResult [Line: 22]: Loop Invariant [2022-01-31 21:17:45,646 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_main_~j~0_14_42_77_100,QUANTIFIED] [2022-01-31 21:17:45,646 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_aux_mod_v_main_~j~0_14_42_77_100_56,QUANTIFIED] [2022-01-31 21:17:45,646 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_aux_mod_v_main_~j~0_14_42_77_100_56,QUANTIFIED] [2022-01-31 21:17:45,646 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_main_~j~0_14_42_77_100,QUANTIFIED] [2022-01-31 21:17:45,646 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_main_~j~0_14_42_77_100,QUANTIFIED] [2022-01-31 21:17:45,646 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~j~0_14_42,QUANTIFIED] [2022-01-31 21:17:45,646 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_aux_mod_v_main_~j~0_14_42_77_100_56,QUANTIFIED] [2022-01-31 21:17:45,646 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~j~0_14_42,QUANTIFIED] [2022-01-31 21:17:45,646 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_aux_mod_v_main_~j~0_14_42_77_100_56,QUANTIFIED] [2022-01-31 21:17:45,646 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_main_~j~0_14_42_77_100,QUANTIFIED] [2022-01-31 21:17:45,646 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_aux_mod_v_main_~j~0_14_42_77_100_56,QUANTIFIED] [2022-01-31 21:17:45,647 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~j~0_14_42,QUANTIFIED] [2022-01-31 21:17:45,647 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_aux_mod_v_main_~j~0_14_42_77_100_56,QUANTIFIED] [2022-01-31 21:17:45,647 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_main_~j~0_14_42_77_100,QUANTIFIED] [2022-01-31 21:17:45,647 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_main_~j~0_14_42_77_100,QUANTIFIED] [2022-01-31 21:17:45,647 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_aux_mod_v_main_~j~0_14_42_77_100_56,QUANTIFIED] [2022-01-31 21:17:45,647 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_aux_mod_v_main_~j~0_14_42_77_100_56,QUANTIFIED] [2022-01-31 21:17:45,647 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_main_~j~0_14_42_77_100,QUANTIFIED] [2022-01-31 21:17:45,647 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_main_~j~0_14_42_77_100,QUANTIFIED] [2022-01-31 21:17:45,648 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~j~0_14_42,QUANTIFIED] [2022-01-31 21:17:45,648 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_aux_mod_v_main_~j~0_14_42_77_100_56,QUANTIFIED] [2022-01-31 21:17:45,648 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~j~0_14_42,QUANTIFIED] [2022-01-31 21:17:45,648 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_aux_mod_v_main_~j~0_14_42_77_100_56,QUANTIFIED] [2022-01-31 21:17:45,648 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_main_~j~0_14_42_77_100,QUANTIFIED] [2022-01-31 21:17:45,648 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_aux_mod_v_main_~j~0_14_42_77_100_56,QUANTIFIED] [2022-01-31 21:17:45,648 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~j~0_14_42,QUANTIFIED] [2022-01-31 21:17:45,648 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_aux_mod_v_main_~j~0_14_42_77_100_56,QUANTIFIED] [2022-01-31 21:17:45,648 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_aux_mod_v_main_~j~0_14_42_77_100,QUANTIFIED] Derived loop invariant: ((j == i + 2 && i < n + 4) && (i == 4 || (i * 3 % 4 == 0 && (\exists aux_div_v_main_~j~0_14_42 : int, aux_div_aux_mod_aux_mod_v_main_~j~0_14_42_77_100 : int, aux_div_aux_mod_aux_mod_aux_mod_v_main_~j~0_14_42_77_100_56 : int :: ((((((aux_div_aux_mod_aux_mod_v_main_~j~0_14_42_77_100 * 4 <= (-1 * i + 4) / -4 * 4 + aux_div_aux_mod_aux_mod_aux_mod_v_main_~j~0_14_42_77_100_56 * 4 && 0 <= aux_div_aux_mod_aux_mod_aux_mod_v_main_~j~0_14_42_77_100_56 * 4) && aux_div_aux_mod_aux_mod_v_main_~j~0_14_42_77_100 < 2 + (-1 + n) / 4) && aux_div_aux_mod_aux_mod_v_main_~j~0_14_42_77_100 * 4 <= aux_div_v_main_~j~0_14_42 * 4 + aux_div_aux_mod_aux_mod_aux_mod_v_main_~j~0_14_42_77_100_56 * 4) && aux_div_v_main_~j~0_14_42 * 4 + aux_div_aux_mod_aux_mod_aux_mod_v_main_~j~0_14_42_77_100_56 * 4 < 4 + aux_div_aux_mod_aux_mod_v_main_~j~0_14_42_77_100 * 4) && aux_div_aux_mod_aux_mod_aux_mod_v_main_~j~0_14_42_77_100_56 * 4 < 4) && 0 < aux_div_v_main_~j~0_14_42) && (-1 * i + 4) / -4 * 4 + aux_div_aux_mod_aux_mod_aux_mod_v_main_~j~0_14_42_77_100_56 * 4 < 4 + aux_div_aux_mod_aux_mod_v_main_~j~0_14_42_77_100 * 4)))) || (j == 0 && i == 0) - ProcedureContractResult [Line: 17]: Procedure Contract for main Derived contract for procedure main: 1 - ProcedureContractResult [Line: 10]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert: 1 RESULT: Ultimate proved your program to be correct! [2022-01-31 21:17:45,659 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...