/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-lit/cggmp2005.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-c225d54 [2021-05-02 23:32:46,363 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-05-02 23:32:46,364 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-05-02 23:32:46,387 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-05-02 23:32:46,438 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-05-02 23:32:46,438 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-05-02 23:32:46,439 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-05-02 23:32:46,442 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf [2021-05-02 23:32:46,454 INFO L113 SettingsManager]: Loading preferences was successful [2021-05-02 23:32:46,455 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-05-02 23:32:46,457 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-05-02 23:32:46,457 INFO L138 SettingsManager]: * sizeof long=4 [2021-05-02 23:32:46,458 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-05-02 23:32:46,458 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-05-02 23:32:46,458 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-05-02 23:32:46,458 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-05-02 23:32:46,458 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-05-02 23:32:46,458 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-05-02 23:32:46,459 INFO L138 SettingsManager]: * sizeof long double=12 [2021-05-02 23:32:46,459 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-05-02 23:32:46,459 INFO L138 SettingsManager]: * Use constant arrays=true [2021-05-02 23:32:46,459 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-05-02 23:32:46,459 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-05-02 23:32:46,459 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-05-02 23:32:46,459 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-05-02 23:32:46,460 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-05-02 23:32:46,460 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-02 23:32:46,460 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-05-02 23:32:46,460 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-05-02 23:32:46,460 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-05-02 23:32:46,460 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=JORDAN [2021-05-02 23:32:46,460 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2021-05-02 23:32:46,737 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-05-02 23:32:46,755 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-05-02 23:32:46,758 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-05-02 23:32:46,759 INFO L271 PluginConnector]: Initializing CDTParser... [2021-05-02 23:32:46,759 INFO L275 PluginConnector]: CDTParser initialized [2021-05-02 23:32:46,760 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/cggmp2005.i [2021-05-02 23:32:46,822 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0bc6ffa9/f044b9d74a9b437a8c242f69b0d100f9/FLAGa221bc739 [2021-05-02 23:32:47,173 INFO L306 CDTParser]: Found 1 translation units. [2021-05-02 23:32:47,174 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/cggmp2005.i [2021-05-02 23:32:47,178 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0bc6ffa9/f044b9d74a9b437a8c242f69b0d100f9/FLAGa221bc739 [2021-05-02 23:32:47,606 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0bc6ffa9/f044b9d74a9b437a8c242f69b0d100f9 [2021-05-02 23:32:47,608 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-05-02 23:32:47,610 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-05-02 23:32:47,613 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-05-02 23:32:47,613 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-05-02 23:32:47,616 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-05-02 23:32:47,616 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.05 11:32:47" (1/1) ... [2021-05-02 23:32:47,618 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7de5e369 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 11:32:47, skipping insertion in model container [2021-05-02 23:32:47,618 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.05 11:32:47" (1/1) ... [2021-05-02 23:32:47,623 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-05-02 23:32:47,654 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-05-02 23:32:47,841 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/cggmp2005.i[895,908] [2021-05-02 23:32:47,866 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-02 23:32:47,873 INFO L203 MainTranslator]: Completed pre-run [2021-05-02 23:32:47,888 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/cggmp2005.i[895,908] [2021-05-02 23:32:47,906 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-02 23:32:47,918 INFO L208 MainTranslator]: Completed translation [2021-05-02 23:32:47,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 11:32:47 WrapperNode [2021-05-02 23:32:47,919 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-05-02 23:32:47,921 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-05-02 23:32:47,921 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-05-02 23:32:47,921 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-05-02 23:32:47,961 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 11:32:47" (1/1) ... [2021-05-02 23:32:47,961 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 11:32:47" (1/1) ... [2021-05-02 23:32:48,006 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 11:32:47" (1/1) ... [2021-05-02 23:32:48,006 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 11:32:47" (1/1) ... [2021-05-02 23:32:48,014 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 11:32:47" (1/1) ... [2021-05-02 23:32:48,018 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 11:32:47" (1/1) ... [2021-05-02 23:32:48,026 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 11:32:47" (1/1) ... [2021-05-02 23:32:48,031 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-05-02 23:32:48,031 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-05-02 23:32:48,032 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-05-02 23:32:48,032 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-05-02 23:32:48,032 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 11:32:47" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-02 23:32:48,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-05-02 23:32:48,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-05-02 23:32:48,106 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-05-02 23:32:48,106 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-05-02 23:32:48,106 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-05-02 23:32:48,107 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-05-02 23:32:48,107 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-05-02 23:32:48,107 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-05-02 23:32:48,107 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2021-05-02 23:32:48,108 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2021-05-02 23:32:48,108 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-05-02 23:32:48,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-05-02 23:32:48,108 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-05-02 23:32:48,108 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-05-02 23:32:48,108 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-05-02 23:32:48,108 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-05-02 23:32:48,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-05-02 23:32:48,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-05-02 23:32:48,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-05-02 23:32:48,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-05-02 23:32:48,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-05-02 23:32:48,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-05-02 23:32:48,304 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-05-02 23:32:48,304 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-05-02 23:32:48,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.05 11:32:48 BoogieIcfgContainer [2021-05-02 23:32:48,306 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-05-02 23:32:48,313 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-05-02 23:32:48,313 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-05-02 23:32:48,324 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-05-02 23:32:48,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.05 11:32:47" (1/3) ... [2021-05-02 23:32:48,325 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e80661a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.05 11:32:48, skipping insertion in model container [2021-05-02 23:32:48,325 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 11:32:47" (2/3) ... [2021-05-02 23:32:48,325 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e80661a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.05 11:32:48, skipping insertion in model container [2021-05-02 23:32:48,325 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.05 11:32:48" (3/3) ... [2021-05-02 23:32:48,326 INFO L111 eAbstractionObserver]: Analyzing ICFG cggmp2005.i [2021-05-02 23:32:48,333 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-05-02 23:32:48,336 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-05-02 23:32:48,353 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-05-02 23:32:48,367 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-05-02 23:32:48,367 INFO L377 AbstractCegarLoop]: Hoare is true [2021-05-02 23:32:48,367 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-05-02 23:32:48,367 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-02 23:32:48,367 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-02 23:32:48,367 INFO L381 AbstractCegarLoop]: Difference is false [2021-05-02 23:32:48,367 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-02 23:32:48,368 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-05-02 23:32:48,378 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 12 states have internal predecessors, (15), 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) [2021-05-02 23:32:48,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-05-02 23:32:48,383 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 23:32:48,384 INFO L523 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 23:32:48,384 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 23:32:48,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 23:32:48,388 INFO L82 PathProgramCache]: Analyzing trace with hash -1817730928, now seen corresponding path program 1 times [2021-05-02 23:32:48,393 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-02 23:32:48,393 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1712920099] [2021-05-02 23:32:48,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 23:32:48,433 INFO L224 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-05-02 23:32:48,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 23:32:48,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-02 23:32:48,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 23:32:48,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-02 23:32:48,605 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-02 23:32:48,605 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1712920099] [2021-05-02 23:32:48,607 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1712920099] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-02 23:32:48,607 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-02 23:32:48,607 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-05-02 23:32:48,608 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268300133] [2021-05-02 23:32:48,612 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-05-02 23:32:48,612 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-02 23:32:48,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-05-02 23:32:48,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-05-02 23:32:48,624 INFO L87 Difference]: Start difference. First operand has 19 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 12 states have internal predecessors, (15), 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 1.75) internal successors, (7), 3 states have internal predecessors, (7), 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) [2021-05-02 23:32:48,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 23:32:48,739 INFO L93 Difference]: Finished difference Result 32 states and 37 transitions. [2021-05-02 23:32:48,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-02 23:32:48,741 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 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 11 [2021-05-02 23:32:48,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 23:32:48,746 INFO L225 Difference]: With dead ends: 32 [2021-05-02 23:32:48,746 INFO L226 Difference]: Without dead ends: 13 [2021-05-02 23:32:48,748 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 78.1ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-05-02 23:32:48,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2021-05-02 23:32:48,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2021-05-02 23:32:48,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 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) [2021-05-02 23:32:48,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2021-05-02 23:32:48,778 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 11 [2021-05-02 23:32:48,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 23:32:48,778 INFO L480 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2021-05-02 23:32:48,778 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 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) [2021-05-02 23:32:48,779 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2021-05-02 23:32:48,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-05-02 23:32:48,779 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 23:32:48,779 INFO L523 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 23:32:48,779 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-05-02 23:32:48,780 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 23:32:48,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 23:32:48,780 INFO L82 PathProgramCache]: Analyzing trace with hash -480588846, now seen corresponding path program 1 times [2021-05-02 23:32:48,780 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-02 23:32:48,780 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1312788305] [2021-05-02 23:32:48,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 23:32:48,822 INFO L181 rdanLoopAcceleration]: Guard: Formula: (<= v_main_~i~0_8 v_main_~j~0_10) InVars {main_~i~0=v_main_~i~0_8, main_~j~0=v_main_~j~0_10} OutVars{main_~i~0=v_main_~i~0_8, main_~j~0=v_main_~j~0_10} AuxVars[] AssignedVars[] [2021-05-02 23:32:48,847 WARN L240 tifierPushTermWalker]: treesize reduction 6, result has 90.6 percent of original size [2021-05-02 23:32:48,873 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-02 23:32:48,889 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-02 23:32:48,929 WARN L245 tifierPushTermWalker]: treesize reduction 6, result has 90.6 percent of original size 58 [2021-05-02 23:32:48,952 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-02 23:32:48,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 23:32:49,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-02 23:32:49,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 23:32:49,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-02 23:32:49,134 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 23:32:49,185 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 23:32:49,219 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-02 23:32:49,219 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1312788305] [2021-05-02 23:32:49,219 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1312788305] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-02 23:32:49,220 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-02 23:32:49,220 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-05-02 23:32:49,221 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218045413] [2021-05-02 23:32:49,221 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-05-02 23:32:49,222 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-02 23:32:49,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-05-02 23:32:49,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-05-02 23:32:49,223 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. Second operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 6 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) [2021-05-02 23:32:49,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 23:32:49,353 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions. [2021-05-02 23:32:49,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-02 23:32:49,353 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 6 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 [2021-05-02 23:32:49,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 23:32:49,354 INFO L225 Difference]: With dead ends: 19 [2021-05-02 23:32:49,354 INFO L226 Difference]: Without dead ends: 14 [2021-05-02 23:32:49,355 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 166.9ms TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-05-02 23:32:49,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2021-05-02 23:32:49,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2021-05-02 23:32:49,358 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) [2021-05-02 23:32:49,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2021-05-02 23:32:49,358 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 12 [2021-05-02 23:32:49,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 23:32:49,358 INFO L480 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2021-05-02 23:32:49,359 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 6 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) [2021-05-02 23:32:49,359 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2021-05-02 23:32:49,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-05-02 23:32:49,359 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 23:32:49,359 INFO L523 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 23:32:49,359 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-05-02 23:32:49,359 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 23:32:49,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 23:32:49,360 INFO L82 PathProgramCache]: Analyzing trace with hash -1978857264, now seen corresponding path program 2 times [2021-05-02 23:32:49,360 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-02 23:32:49,360 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [293474761] [2021-05-02 23:32:49,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 23:32:49,365 INFO L181 rdanLoopAcceleration]: Guard: Formula: (<= v_main_~i~0_12 v_main_~j~0_14) InVars {main_~i~0=v_main_~i~0_12, main_~j~0=v_main_~j~0_14} OutVars{main_~i~0=v_main_~i~0_12, main_~j~0=v_main_~j~0_14} AuxVars[] AssignedVars[] [2021-05-02 23:32:49,369 WARN L240 tifierPushTermWalker]: treesize reduction 6, result has 90.6 percent of original size [2021-05-02 23:32:49,371 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-02 23:32:49,377 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-02 23:32:49,400 WARN L245 tifierPushTermWalker]: treesize reduction 6, result has 90.6 percent of original size 58 [2021-05-02 23:32:49,415 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-02 23:32:49,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 23:32:49,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-02 23:32:49,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 23:32:49,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-02 23:32:49,542 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 23:32:49,571 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 23:32:49,594 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 23:32:49,620 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-02 23:32:49,620 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [293474761] [2021-05-02 23:32:49,620 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [293474761] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-02 23:32:49,620 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-02 23:32:49,620 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-05-02 23:32:49,620 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096877509] [2021-05-02 23:32:49,621 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-05-02 23:32:49,621 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-02 23:32:49,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-05-02 23:32:49,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-05-02 23:32:49,622 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 7 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) [2021-05-02 23:32:49,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 23:32:49,783 INFO L93 Difference]: Finished difference Result 20 states and 20 transitions. [2021-05-02 23:32:49,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-02 23:32:49,785 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 1.125) internal successors, (9), 7 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 [2021-05-02 23:32:49,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 23:32:49,785 INFO L225 Difference]: With dead ends: 20 [2021-05-02 23:32:49,785 INFO L226 Difference]: Without dead ends: 15 [2021-05-02 23:32:49,786 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 179.0ms TimeCoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2021-05-02 23:32:49,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2021-05-02 23:32:49,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2021-05-02 23:32:49,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 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) [2021-05-02 23:32:49,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2021-05-02 23:32:49,790 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 13 [2021-05-02 23:32:49,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 23:32:49,790 INFO L480 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2021-05-02 23:32:49,790 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 8 states have (on average 1.125) internal successors, (9), 7 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) [2021-05-02 23:32:49,790 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2021-05-02 23:32:49,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-05-02 23:32:49,790 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 23:32:49,791 INFO L523 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 23:32:49,791 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-05-02 23:32:49,791 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 23:32:49,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 23:32:49,791 INFO L82 PathProgramCache]: Analyzing trace with hash -1180537966, now seen corresponding path program 3 times [2021-05-02 23:32:49,791 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-02 23:32:49,792 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [967358921] [2021-05-02 23:32:49,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 23:32:49,808 INFO L181 rdanLoopAcceleration]: Guard: Formula: (<= v_main_~i~0_17 v_main_~j~0_19) InVars {main_~i~0=v_main_~i~0_17, main_~j~0=v_main_~j~0_19} OutVars{main_~i~0=v_main_~i~0_17, main_~j~0=v_main_~j~0_19} AuxVars[] AssignedVars[] [2021-05-02 23:32:49,814 WARN L240 tifierPushTermWalker]: treesize reduction 6, result has 90.6 percent of original size [2021-05-02 23:32:49,837 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-02 23:32:49,853 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-02 23:32:49,881 WARN L245 tifierPushTermWalker]: treesize reduction 6, result has 90.6 percent of original size 58 [2021-05-02 23:32:49,895 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-02 23:32:49,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 23:32:50,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-02 23:32:50,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 23:32:50,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-02 23:32:50,028 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 23:32:50,058 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 23:32:50,087 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 23:32:50,130 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 23:32:50,164 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-02 23:32:50,164 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [967358921] [2021-05-02 23:32:50,164 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [967358921] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-02 23:32:50,164 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-02 23:32:50,164 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-05-02 23:32:50,164 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277926290] [2021-05-02 23:32:50,165 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-05-02 23:32:50,165 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-02 23:32:50,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-05-02 23:32:50,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2021-05-02 23:32:50,166 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand has 10 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 8 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) [2021-05-02 23:32:50,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 23:32:50,469 INFO L93 Difference]: Finished difference Result 20 states and 22 transitions. [2021-05-02 23:32:50,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-02 23:32:50,469 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 8 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 [2021-05-02 23:32:50,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 23:32:50,469 INFO L225 Difference]: With dead ends: 20 [2021-05-02 23:32:50,469 INFO L226 Difference]: Without dead ends: 0 [2021-05-02 23:32:50,470 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 354.6ms TimeCoverageRelationStatistics Valid=65, Invalid=277, Unknown=0, NotChecked=0, Total=342 [2021-05-02 23:32:50,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-05-02 23:32:50,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-05-02 23:32:50,470 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) [2021-05-02 23:32:50,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-05-02 23:32:50,470 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2021-05-02 23:32:50,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 23:32:50,471 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-05-02 23:32:50,471 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 8 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) [2021-05-02 23:32:50,471 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-05-02 23:32:50,471 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-05-02 23:32:50,471 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-05-02 23:32:50,472 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-05-02 23:32:50,724 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 83 [2021-05-02 23:32:50,765 INFO L198 CegarLoopUtils]: For program point reach_errorEXIT(line 12) no Hoare annotation was computed. [2021-05-02 23:32:50,766 INFO L198 CegarLoopUtils]: For program point reach_errorENTRY(line 12) no Hoare annotation was computed. [2021-05-02 23:32:50,766 INFO L198 CegarLoopUtils]: For program point L12-1(line 12) no Hoare annotation was computed. [2021-05-02 23:32:50,766 INFO L201 CegarLoopUtils]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2021-05-02 23:32:50,766 INFO L194 CegarLoopUtils]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string0.offset| |old(#t~string0.offset)|) (= |old(#length)| |#length|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string0.base| |old(#t~string0.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|) (= |#t~string1.offset| |old(#t~string1.offset)|)) [2021-05-02 23:32:50,766 INFO L201 CegarLoopUtils]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2021-05-02 23:32:50,766 INFO L201 CegarLoopUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2021-05-02 23:32:50,766 INFO L201 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: true [2021-05-02 23:32:50,766 INFO L201 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-05-02 23:32:50,766 INFO L201 CegarLoopUtils]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2021-05-02 23:32:50,766 INFO L198 CegarLoopUtils]: For program point L15(line 15) no Hoare annotation was computed. [2021-05-02 23:32:50,766 INFO L198 CegarLoopUtils]: For program point assume_abort_if_notENTRY(lines 14 16) no Hoare annotation was computed. [2021-05-02 23:32:50,766 INFO L198 CegarLoopUtils]: For program point L15-2(lines 14 16) no Hoare annotation was computed. [2021-05-02 23:32:50,767 INFO L198 CegarLoopUtils]: For program point assume_abort_if_notEXIT(lines 14 16) no Hoare annotation was computed. [2021-05-02 23:32:50,767 INFO L201 CegarLoopUtils]: At program point L32(line 32) the Hoare annotation is: true [2021-05-02 23:32:50,767 INFO L201 CegarLoopUtils]: At program point mainENTRY(lines 24 34) the Hoare annotation is: true [2021-05-02 23:32:50,767 INFO L194 CegarLoopUtils]: At program point L28-2(lines 28 31) the Hoare annotation is: (let ((.cse0 (<= main_~i~0 (+ main_~j~0 3)))) (or (exists ((v_main_~j~0_11 Int)) (and (or (and (= v_main_~j~0_11 main_~j~0) (= main_~i~0 1)) (and (= (+ (* v_main_~j~0_11 2) 1) (+ main_~i~0 (* main_~j~0 2))) (<= v_main_~j~0_11 (+ main_~j~0 (div (+ v_main_~j~0_11 (- 1)) 3) 1)) (< (* 3 main_~j~0) (+ (* 2 v_main_~j~0_11) 1)))) (<= v_main_~j~0_11 10) (<= 10 v_main_~j~0_11))) (and .cse0 (exists ((v_main_~j~0_20 Int)) (and (<= 10 v_main_~j~0_20) (let ((.cse1 (+ main_~j~0 2))) (or (and (< .cse1 v_main_~j~0_20) (= (+ (* v_main_~j~0_20 2) 1) (+ main_~i~0 (* main_~j~0 2))) (<= v_main_~j~0_20 (+ main_~j~0 (div (+ v_main_~j~0_20 (- 1)) 3) 3)) (< (+ (* 3 main_~j~0) 5) (* 2 v_main_~j~0_20))) (and (= 5 main_~i~0) (= v_main_~j~0_20 .cse1)))) (<= v_main_~j~0_20 10)))) (and (exists ((v_main_~j~0_11 Int)) (and (or (and (= v_main_~j~0_11 (+ main_~j~0 1)) (= main_~i~0 3)) (and (<= v_main_~j~0_11 (+ main_~j~0 (div (+ v_main_~j~0_11 (- 1)) 3) 2)) (= (+ (* v_main_~j~0_11 2) 1) (+ main_~i~0 (* main_~j~0 2))) (< (+ (* 3 main_~j~0) 2) (* 2 v_main_~j~0_11)))) (<= v_main_~j~0_11 10) (<= 10 v_main_~j~0_11))) .cse0) (and (exists ((v_main_~j~0_20 Int)) (and (let ((.cse2 (+ main_~j~0 3))) (or (and (< (+ (* 3 main_~j~0) 8) (* 2 v_main_~j~0_20)) (= (+ (* v_main_~j~0_20 2) 1) (+ main_~i~0 (* main_~j~0 2))) (< .cse2 v_main_~j~0_20) (<= v_main_~j~0_20 (+ main_~j~0 (div (+ v_main_~j~0_20 (- 1)) 3) 4))) (and (= 7 main_~i~0) (= v_main_~j~0_20 .cse2)))) (<= 10 v_main_~j~0_20) (<= v_main_~j~0_20 10))) .cse0))) [2021-05-02 23:32:50,767 INFO L194 CegarLoopUtils]: At program point L28-3(lines 28 31) the Hoare annotation is: (and (<= main_~j~0 6) (exists ((v_main_~j~0_20 Int)) (and (<= 10 v_main_~j~0_20) (<= v_main_~j~0_20 10) (or (and (= (+ (* v_main_~j~0_20 2) 1) (+ main_~i~0 (* main_~j~0 2))) (< (* 3 main_~j~0) (+ (* 2 v_main_~j~0_20) 1)) (<= v_main_~j~0_20 (+ main_~j~0 (div (+ v_main_~j~0_20 (- 1)) 3) 1)) (< main_~j~0 v_main_~j~0_20)) (and (= v_main_~j~0_20 main_~j~0) (= main_~i~0 1)))))) [2021-05-02 23:32:50,767 INFO L201 CegarLoopUtils]: At program point mainEXIT(lines 24 34) the Hoare annotation is: true [2021-05-02 23:32:50,767 INFO L201 CegarLoopUtils]: At program point mainFINAL(lines 24 34) the Hoare annotation is: true [2021-05-02 23:32:50,767 INFO L201 CegarLoopUtils]: At program point L18-2(lines 17 22) the Hoare annotation is: true [2021-05-02 23:32:50,767 INFO L201 CegarLoopUtils]: At program point __VERIFIER_assertENTRY(lines 17 22) the Hoare annotation is: true [2021-05-02 23:32:50,767 INFO L201 CegarLoopUtils]: At program point __VERIFIER_assertEXIT(lines 17 22) the Hoare annotation is: true [2021-05-02 23:32:50,767 INFO L194 CegarLoopUtils]: At program point L19(line 19) the Hoare annotation is: (= |__VERIFIER_assert_#in~cond| 0) [2021-05-02 23:32:50,768 INFO L194 CegarLoopUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) the Hoare annotation is: (= |__VERIFIER_assert_#in~cond| 0) [2021-05-02 23:32:50,768 INFO L194 CegarLoopUtils]: At program point L18(lines 18 20) the Hoare annotation is: (or (= |__VERIFIER_assert_#in~cond| 0) (not (= __VERIFIER_assert_~cond 0))) [2021-05-02 23:32:50,775 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-02 23:32:50,776 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-02 23:32:50,776 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-02 23:32:50,776 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-02 23:32:50,776 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-02 23:32:50,776 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-02 23:32:50,776 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-02 23:32:50,776 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-02 23:32:50,776 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-02 23:32:50,777 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-02 23:32:50,777 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-02 23:32:50,777 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-02 23:32:50,777 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-02 23:32:50,777 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-02 23:32:50,777 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-02 23:32:50,777 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-02 23:32:50,777 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-02 23:32:50,777 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-02 23:32:50,777 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-02 23:32:50,778 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-02 23:32:50,778 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-02 23:32:50,778 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-02 23:32:50,778 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-02 23:32:50,778 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-02 23:32:50,778 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-02 23:32:50,778 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-02 23:32:50,778 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-02 23:32:50,778 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-02 23:32:50,778 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-02 23:32:50,778 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-02 23:32:50,786 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-02 23:32:50,788 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-02 23:32:50,789 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-02 23:32:50,789 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-02 23:32:50,789 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-02 23:32:50,789 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-02 23:32:50,789 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-02 23:32:50,789 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-02 23:32:50,789 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-02 23:32:50,789 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-02 23:32:50,789 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-02 23:32:50,789 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-02 23:32:50,790 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-02 23:32:50,790 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-02 23:32:50,790 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-02 23:32:50,790 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-02 23:32:50,790 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-02 23:32:50,790 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-02 23:32:50,790 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-02 23:32:50,790 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-02 23:32:50,790 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-02 23:32:50,790 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-02 23:32:50,790 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-02 23:32:50,791 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-02 23:32:50,791 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-02 23:32:50,791 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-02 23:32:50,791 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-02 23:32:50,791 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-02 23:32:50,791 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-02 23:32:50,791 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-02 23:32:50,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.05 11:32:50 BoogieIcfgContainer [2021-05-02 23:32:50,793 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-05-02 23:32:50,793 INFO L168 Benchmark]: Toolchain (without parser) took 3182.88 ms. Allocated memory was 185.6 MB in the beginning and 223.3 MB in the end (delta: 37.7 MB). Free memory was 151.4 MB in the beginning and 177.0 MB in the end (delta: -25.6 MB). Peak memory consumption was 100.1 MB. Max. memory is 8.0 GB. [2021-05-02 23:32:50,793 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 185.6 MB. Free memory is still 167.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-05-02 23:32:50,794 INFO L168 Benchmark]: CACSL2BoogieTranslator took 305.78 ms. Allocated memory is still 185.6 MB. Free memory was 151.2 MB in the beginning and 141.7 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2021-05-02 23:32:50,794 INFO L168 Benchmark]: Boogie Preprocessor took 110.17 ms. Allocated memory is still 185.6 MB. Free memory was 141.7 MB in the beginning and 168.8 MB in the end (delta: -27.1 MB). Peak memory consumption was 4.3 MB. Max. memory is 8.0 GB. [2021-05-02 23:32:50,794 INFO L168 Benchmark]: RCFGBuilder took 280.19 ms. Allocated memory is still 185.6 MB. Free memory was 168.8 MB in the beginning and 155.2 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-05-02 23:32:50,794 INFO L168 Benchmark]: TraceAbstraction took 2479.92 ms. Allocated memory was 185.6 MB in the beginning and 223.3 MB in the end (delta: 37.7 MB). Free memory was 155.2 MB in the beginning and 177.0 MB in the end (delta: -21.8 MB). Peak memory consumption was 104.2 MB. Max. memory is 8.0 GB. [2021-05-02 23:32:50,795 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 185.6 MB. Free memory is still 167.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 305.78 ms. Allocated memory is still 185.6 MB. Free memory was 151.2 MB in the beginning and 141.7 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 110.17 ms. Allocated memory is still 185.6 MB. Free memory was 141.7 MB in the beginning and 168.8 MB in the end (delta: -27.1 MB). Peak memory consumption was 4.3 MB. Max. memory is 8.0 GB. * RCFGBuilder took 280.19 ms. Allocated memory is still 185.6 MB. Free memory was 168.8 MB in the beginning and 155.2 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2479.92 ms. Allocated memory was 185.6 MB in the beginning and 223.3 MB in the end (delta: 37.7 MB). Free memory was 155.2 MB in the beginning and 177.0 MB in the end (delta: -21.8 MB). Peak memory consumption was 104.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 19]: 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, 26 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2106.0ms, OverallIterations: 4, TraceHistogramMax: 3, EmptinessCheckTime: 8.9ms, AutomataDifference: 737.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 293.8ms, InitialAbstractionConstructionTime: 7.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 42 SDtfs, 28 SDslu, 103 SDs, 0 SdLazy, 170 SolverSat, 24 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 206.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 57 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 778.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=0, InterpolantAutomatonStates: 25, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 28.1ms AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 19 LocationsWithAnnotation, 43 PreInvPairs, 62 NumberOfFragments, 329 HoareAnnotationTreeSize, 43 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 50.9ms HoareSimplificationTime, 19 FomulaSimplificationsInter, 679 FormulaSimplificationTreeSizeReductionInter, 233.9ms 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 [2021-05-02 23:32:50,803 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-02 23:32:50,803 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-02 23:32:50,803 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-02 23:32:50,803 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-02 23:32:50,803 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-02 23:32:50,803 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-02 23:32:50,803 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-02 23:32:50,804 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-02 23:32:50,804 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-02 23:32:50,804 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-02 23:32:50,804 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-02 23:32:50,804 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-02 23:32:50,804 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-02 23:32:50,804 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-02 23:32:50,804 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-02 23:32:50,804 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-02 23:32:50,804 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-02 23:32:50,804 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-02 23:32:50,804 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-02 23:32:50,805 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-02 23:32:50,805 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-02 23:32:50,805 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-02 23:32:50,805 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-02 23:32:50,805 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-02 23:32:50,805 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-02 23:32:50,805 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-02 23:32:50,805 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-02 23:32:50,805 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-02 23:32:50,805 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-02 23:32:50,805 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-02 23:32:50,806 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-02 23:32:50,806 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-02 23:32:50,806 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-02 23:32:50,806 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-02 23:32:50,806 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-02 23:32:50,806 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-02 23:32:50,806 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-02 23:32:50,806 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-02 23:32:50,806 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-02 23:32:50,807 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-02 23:32:50,807 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-02 23:32:50,807 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-02 23:32:50,807 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-02 23:32:50,807 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-02 23:32:50,807 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-02 23:32:50,807 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-02 23:32:50,807 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-02 23:32:50,807 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-02 23:32:50,807 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-02 23:32:50,807 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-02 23:32:50,807 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-02 23:32:50,808 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-02 23:32:50,808 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-02 23:32:50,808 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-02 23:32:50,808 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-02 23:32:50,808 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-02 23:32:50,808 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-02 23:32:50,808 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-02 23:32:50,808 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-02 23:32:50,808 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] Derived loop invariant: (((\exists v_main_~j~0_11 : int :: (((v_main_~j~0_11 == j && i == 1) || ((v_main_~j~0_11 * 2 + 1 == i + j * 2 && v_main_~j~0_11 <= j + (v_main_~j~0_11 + -1) / 3 + 1) && 3 * j < 2 * v_main_~j~0_11 + 1)) && v_main_~j~0_11 <= 10) && 10 <= v_main_~j~0_11) || (i <= j + 3 && (\exists v_main_~j~0_20 : int :: (10 <= v_main_~j~0_20 && ((((j + 2 < v_main_~j~0_20 && v_main_~j~0_20 * 2 + 1 == i + j * 2) && v_main_~j~0_20 <= j + (v_main_~j~0_20 + -1) / 3 + 3) && 3 * j + 5 < 2 * v_main_~j~0_20) || (5 == i && v_main_~j~0_20 == j + 2))) && v_main_~j~0_20 <= 10))) || ((\exists v_main_~j~0_11 : int :: (((v_main_~j~0_11 == j + 1 && i == 3) || ((v_main_~j~0_11 <= j + (v_main_~j~0_11 + -1) / 3 + 2 && v_main_~j~0_11 * 2 + 1 == i + j * 2) && 3 * j + 2 < 2 * v_main_~j~0_11)) && v_main_~j~0_11 <= 10) && 10 <= v_main_~j~0_11) && i <= j + 3)) || ((\exists v_main_~j~0_20 : int :: (((((3 * j + 8 < 2 * v_main_~j~0_20 && v_main_~j~0_20 * 2 + 1 == i + j * 2) && j + 3 < v_main_~j~0_20) && v_main_~j~0_20 <= j + (v_main_~j~0_20 + -1) / 3 + 4) || (7 == i && v_main_~j~0_20 == j + 3)) && 10 <= v_main_~j~0_20) && v_main_~j~0_20 <= 10) && i <= j + 3) - ProcedureContractResult [Line: 24]: Procedure Contract for main Derived contract for procedure main: 1 - ProcedureContractResult [Line: 17]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert: 1 RESULT: Ultimate proved your program to be correct! Received shutdown request...