/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/loop-lit/cggmp2005.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-07 02:08:29,346 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-07 02:08:29,351 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-07 02:08:29,421 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-11-07 02:08:29,532 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-07 02:08:29,533 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-07 02:08:29,535 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-07 02:08:29,537 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-11-07 02:08:29,552 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-07 02:08:29,553 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-07 02:08:29,555 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-07 02:08:29,555 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-07 02:08:29,555 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-07 02:08:29,555 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-07 02:08:29,556 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-07 02:08:29,556 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-07 02:08:29,556 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-07 02:08:29,556 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-07 02:08:29,557 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-07 02:08:29,557 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-07 02:08:29,557 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-07 02:08:29,557 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-07 02:08:29,558 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-07 02:08:29,558 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-11-07 02:08:29,558 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-07 02:08:29,558 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-07 02:08:29,558 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-07 02:08:29,559 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-07 02:08:29,559 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-11-07 02:08:29,559 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-07 02:08:29,559 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-07 02:08:29,972 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-07 02:08:30,033 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-07 02:08:30,037 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-07 02:08:30,039 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-07 02:08:30,039 INFO L275 PluginConnector]: CDTParser initialized [2020-11-07 02:08:30,040 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/cggmp2005.i [2020-11-07 02:08:30,150 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5afcaab8f/3e44df0818e3494f931c89439c13f639/FLAG7a6d28db6 [2020-11-07 02:08:30,867 INFO L306 CDTParser]: Found 1 translation units. [2020-11-07 02:08:30,867 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/cggmp2005.i [2020-11-07 02:08:30,879 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5afcaab8f/3e44df0818e3494f931c89439c13f639/FLAG7a6d28db6 [2020-11-07 02:08:31,182 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5afcaab8f/3e44df0818e3494f931c89439c13f639 [2020-11-07 02:08:31,185 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-07 02:08:31,194 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-07 02:08:31,196 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-07 02:08:31,196 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-07 02:08:31,202 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-07 02:08:31,203 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:08:31" (1/1) ... [2020-11-07 02:08:31,207 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a6cd436 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:08:31, skipping insertion in model container [2020-11-07 02:08:31,208 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:08:31" (1/1) ... [2020-11-07 02:08:31,218 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-07 02:08:31,237 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-07 02:08:31,416 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 02:08:31,430 INFO L203 MainTranslator]: Completed pre-run [2020-11-07 02:08:31,451 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 02:08:31,472 INFO L208 MainTranslator]: Completed translation [2020-11-07 02:08:31,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:08:31 WrapperNode [2020-11-07 02:08:31,473 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-07 02:08:31,475 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-07 02:08:31,475 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-07 02:08:31,475 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-07 02:08:31,492 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:08:31" (1/1) ... [2020-11-07 02:08:31,492 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:08:31" (1/1) ... [2020-11-07 02:08:31,502 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:08:31" (1/1) ... [2020-11-07 02:08:31,503 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:08:31" (1/1) ... [2020-11-07 02:08:31,511 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:08:31" (1/1) ... [2020-11-07 02:08:31,516 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:08:31" (1/1) ... [2020-11-07 02:08:31,518 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:08:31" (1/1) ... [2020-11-07 02:08:31,521 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-07 02:08:31,523 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-07 02:08:31,523 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-07 02:08:31,523 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-07 02:08:31,525 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:08:31" (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 [2020-11-07 02:08:31,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-07 02:08:31,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-07 02:08:31,629 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-07 02:08:31,629 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-11-07 02:08:31,629 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-11-07 02:08:31,630 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-07 02:08:31,630 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-07 02:08:31,630 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-07 02:08:31,631 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-11-07 02:08:31,631 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-11-07 02:08:31,631 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-07 02:08:31,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-07 02:08:31,632 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-11-07 02:08:31,632 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-11-07 02:08:31,632 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-07 02:08:31,632 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-07 02:08:31,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-07 02:08:31,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-07 02:08:31,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-07 02:08:31,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-07 02:08:31,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-07 02:08:31,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-07 02:08:32,155 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-07 02:08:32,156 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-11-07 02:08:32,161 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:08:32 BoogieIcfgContainer [2020-11-07 02:08:32,162 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-07 02:08:32,164 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-07 02:08:32,167 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-07 02:08:32,178 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-07 02:08:32,178 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 02:08:31" (1/3) ... [2020-11-07 02:08:32,180 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c2f06bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:08:32, skipping insertion in model container [2020-11-07 02:08:32,182 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:08:31" (2/3) ... [2020-11-07 02:08:32,183 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c2f06bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:08:32, skipping insertion in model container [2020-11-07 02:08:32,183 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:08:32" (3/3) ... [2020-11-07 02:08:32,188 INFO L111 eAbstractionObserver]: Analyzing ICFG cggmp2005.i [2020-11-07 02:08:32,210 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-11-07 02:08:32,215 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-07 02:08:32,235 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-07 02:08:32,280 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-07 02:08:32,281 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-07 02:08:32,281 INFO L379 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-11-07 02:08:32,281 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-07 02:08:32,281 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-07 02:08:32,282 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-07 02:08:32,282 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-07 02:08:32,282 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-07 02:08:32,346 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states. [2020-11-07 02:08:32,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-07 02:08:32,362 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 02:08:32,363 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 02:08:32,364 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 02:08:32,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 02:08:32,381 INFO L82 PathProgramCache]: Analyzing trace with hash 1288659105, now seen corresponding path program 1 times [2020-11-07 02:08:32,395 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 02:08:32,398 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1289873549] [2020-11-07 02:08:32,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 02:08:32,514 INFO L328 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-11-07 02:08:32,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 02:08:32,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 02:08:32,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 02:08:32,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 02:08:32,842 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1289873549] [2020-11-07 02:08:32,848 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 02:08:32,851 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-07 02:08:32,852 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111803130] [2020-11-07 02:08:32,861 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-07 02:08:32,862 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 02:08:32,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-07 02:08:32,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-07 02:08:32,883 INFO L87 Difference]: Start difference. First operand 36 states. Second operand 3 states. [2020-11-07 02:08:32,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 02:08:32,999 INFO L93 Difference]: Finished difference Result 50 states and 56 transitions. [2020-11-07 02:08:33,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-07 02:08:33,002 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-11-07 02:08:33,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 02:08:33,011 INFO L225 Difference]: With dead ends: 50 [2020-11-07 02:08:33,012 INFO L226 Difference]: Without dead ends: 25 [2020-11-07 02:08:33,016 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-07 02:08:33,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2020-11-07 02:08:33,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2020-11-07 02:08:33,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2020-11-07 02:08:33,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 25 transitions. [2020-11-07 02:08:33,071 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 25 transitions. Word has length 22 [2020-11-07 02:08:33,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 02:08:33,072 INFO L481 AbstractCegarLoop]: Abstraction has 25 states and 25 transitions. [2020-11-07 02:08:33,072 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-07 02:08:33,072 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 25 transitions. [2020-11-07 02:08:33,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-07 02:08:33,073 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 02:08:33,074 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 02:08:33,074 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-07 02:08:33,074 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 02:08:33,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 02:08:33,075 INFO L82 PathProgramCache]: Analyzing trace with hash 258604315, now seen corresponding path program 1 times [2020-11-07 02:08:33,076 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 02:08:33,076 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [478636132] [2020-11-07 02:08:33,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 02:08:33,080 INFO L328 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-11-07 02:08:33,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 02:08:33,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 02:08:33,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 02:08:33,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 02:08:33,233 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [478636132] [2020-11-07 02:08:33,234 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 02:08:33,234 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-07 02:08:33,234 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564621442] [2020-11-07 02:08:33,235 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-07 02:08:33,236 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 02:08:33,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-07 02:08:33,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-07 02:08:33,237 INFO L87 Difference]: Start difference. First operand 25 states and 25 transitions. Second operand 5 states. [2020-11-07 02:08:33,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 02:08:33,375 INFO L93 Difference]: Finished difference Result 34 states and 34 transitions. [2020-11-07 02:08:33,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-07 02:08:33,376 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-11-07 02:08:33,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 02:08:33,378 INFO L225 Difference]: With dead ends: 34 [2020-11-07 02:08:33,378 INFO L226 Difference]: Without dead ends: 27 [2020-11-07 02:08:33,380 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-11-07 02:08:33,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-11-07 02:08:33,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 26. [2020-11-07 02:08:33,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2020-11-07 02:08:33,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 26 transitions. [2020-11-07 02:08:33,396 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 26 transitions. Word has length 22 [2020-11-07 02:08:33,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 02:08:33,396 INFO L481 AbstractCegarLoop]: Abstraction has 26 states and 26 transitions. [2020-11-07 02:08:33,396 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-07 02:08:33,397 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 26 transitions. [2020-11-07 02:08:33,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-07 02:08:33,398 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 02:08:33,398 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 02:08:33,398 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-07 02:08:33,399 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 02:08:33,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 02:08:33,400 INFO L82 PathProgramCache]: Analyzing trace with hash -944596217, now seen corresponding path program 1 times [2020-11-07 02:08:33,400 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 02:08:33,400 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [636544695] [2020-11-07 02:08:33,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 02:08:35,646 INFO L316 leratedInterpolation]: Starting analysis with loop acceleration approximation PRECISE [2020-11-07 02:08:35,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 02:08:35,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 02:08:35,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 02:08:36,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 02:08:36,508 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [636544695] [2020-11-07 02:08:36,509 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 02:08:36,509 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-11-07 02:08:36,509 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565718750] [2020-11-07 02:08:36,510 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-11-07 02:08:36,510 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 02:08:36,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-11-07 02:08:36,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2020-11-07 02:08:36,513 INFO L87 Difference]: Start difference. First operand 26 states and 26 transitions. Second operand 12 states. [2020-11-07 02:08:37,233 WARN L194 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 82 [2020-11-07 02:08:37,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 02:08:37,344 INFO L93 Difference]: Finished difference Result 27 states and 27 transitions. [2020-11-07 02:08:37,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-07 02:08:37,345 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 25 [2020-11-07 02:08:37,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 02:08:37,346 INFO L225 Difference]: With dead ends: 27 [2020-11-07 02:08:37,346 INFO L226 Difference]: Without dead ends: 0 [2020-11-07 02:08:37,348 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=93, Invalid=369, Unknown=0, NotChecked=0, Total=462 [2020-11-07 02:08:37,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-07 02:08:37,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-07 02:08:37,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-07 02:08:37,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-07 02:08:37,349 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2020-11-07 02:08:37,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 02:08:37,349 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-07 02:08:37,349 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-11-07 02:08:37,350 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-07 02:08:37,350 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-07 02:08:37,350 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-07 02:08:37,353 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-07 02:08:37,681 WARN L194 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 89 [2020-11-07 02:08:37,922 WARN L194 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 54 [2020-11-07 02:08:38,015 INFO L269 CegarLoopResult]: At program point reach_errorEXIT(line 12) the Hoare annotation is: true [2020-11-07 02:08:38,016 INFO L269 CegarLoopResult]: At program point reach_errorENTRY(line 12) the Hoare annotation is: true [2020-11-07 02:08:38,016 INFO L269 CegarLoopResult]: At program point L12-1(line 12) the Hoare annotation is: true [2020-11-07 02:08:38,016 INFO L269 CegarLoopResult]: At program point L12-2(line 12) the Hoare annotation is: true [2020-11-07 02:08:38,016 INFO L269 CegarLoopResult]: At program point L12-3(line 12) the Hoare annotation is: true [2020-11-07 02:08:38,016 INFO L269 CegarLoopResult]: At program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) the Hoare annotation is: true [2020-11-07 02:08:38,017 INFO L269 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-11-07 02:08:38,017 INFO L269 CegarLoopResult]: At program point L-1-1(line -1) the Hoare annotation is: true [2020-11-07 02:08:38,017 INFO L269 CegarLoopResult]: At program point ULTIMATE.initFINAL(line 12) the Hoare annotation is: true [2020-11-07 02:08:38,017 INFO L269 CegarLoopResult]: At program point L12(line 12) the Hoare annotation is: true [2020-11-07 02:08:38,017 INFO L269 CegarLoopResult]: At program point L12-1(line 12) the Hoare annotation is: true [2020-11-07 02:08:38,017 INFO L269 CegarLoopResult]: At program point L12-2(line 12) the Hoare annotation is: true [2020-11-07 02:08:38,018 INFO L262 CegarLoopResult]: 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)|)) [2020-11-07 02:08:38,018 INFO L269 CegarLoopResult]: At program point L12-3(line 12) the Hoare annotation is: true [2020-11-07 02:08:38,018 INFO L269 CegarLoopResult]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2020-11-07 02:08:38,018 INFO L269 CegarLoopResult]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2020-11-07 02:08:38,018 INFO L269 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-11-07 02:08:38,018 INFO L269 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-11-07 02:08:38,019 INFO L269 CegarLoopResult]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2020-11-07 02:08:38,019 INFO L266 CegarLoopResult]: For program point L15(line 15) no Hoare annotation was computed. [2020-11-07 02:08:38,019 INFO L266 CegarLoopResult]: For program point L15-1(line 15) no Hoare annotation was computed. [2020-11-07 02:08:38,019 INFO L266 CegarLoopResult]: For program point assume_abort_if_notENTRY(lines 14 16) no Hoare annotation was computed. [2020-11-07 02:08:38,019 INFO L266 CegarLoopResult]: For program point L15-3(lines 14 16) no Hoare annotation was computed. [2020-11-07 02:08:38,019 INFO L266 CegarLoopResult]: For program point assume_abort_if_notEXIT(lines 14 16) no Hoare annotation was computed. [2020-11-07 02:08:38,020 INFO L269 CegarLoopResult]: At program point L32(line 32) the Hoare annotation is: true [2020-11-07 02:08:38,020 INFO L262 CegarLoopResult]: At program point L30(line 30) the Hoare annotation is: (and (exists ((v_main_~j~0_13 Int)) (and (<= 10 v_main_~j~0_13) (or (let ((.cse3 (div (+ v_main_~j~0_13 (- 1)) 3)) (.cse2 (div (+ v_main_~j~0_13 (- 4)) 3)) (.cse1 (div (+ main_~i~0 (- 7)) 2)) (.cse0 (div (+ (* main_~i~0 (- 1)) 7) (- 2)))) (and (<= .cse0 .cse1) (<= v_main_~j~0_13 (+ main_~j~0 .cse2 2)) (<= 0 .cse3) (<= v_main_~j~0_13 (+ .cse3 main_~j~0 2)) (<= 0 .cse2) (<= .cse0 .cse3) (<= 0 .cse1) (<= .cse0 .cse2) (<= v_main_~j~0_13 (+ .cse1 main_~j~0 2)) (<= (+ main_~j~0 2) v_main_~j~0_13) (<= (+ main_~j~0 .cse0 2) v_main_~j~0_13))) (and (= v_main_~j~0_13 main_~j~0) (= main_~i~0 3)) (let ((.cse4 (+ main_~j~0 1))) (and (<= .cse4 v_main_~j~0_13) (<= 5 main_~i~0) (<= main_~i~0 5) (<= 1 v_main_~j~0_13) (<= v_main_~j~0_13 .cse4)))) (<= v_main_~j~0_13 10))) (<= main_~i~0 (+ main_~j~0 2))) [2020-11-07 02:08:38,020 INFO L269 CegarLoopResult]: At program point mainENTRY(lines 24 34) the Hoare annotation is: true [2020-11-07 02:08:38,021 INFO L262 CegarLoopResult]: At program point L29(line 29) the Hoare annotation is: (or (and (= main_~i~0 1) (exists ((v_main_~j~0_13 Int)) (and (<= 10 v_main_~j~0_13) (or (let ((.cse1 (div (+ v_main_~j~0_13 (- 1)) 3)) (.cse2 (div (+ (* main_~i~0 (- 1)) 5) (- 2))) (.cse0 (div (+ v_main_~j~0_13 (- 4)) 3)) (.cse3 (div (+ main_~i~0 (- 5)) 2))) (and (<= v_main_~j~0_13 (+ main_~j~0 .cse0 2)) (<= 0 .cse1) (<= .cse2 .cse1) (<= v_main_~j~0_13 (+ .cse1 main_~j~0 2)) (<= 0 .cse0) (<= 0 .cse3) (<= (+ main_~j~0 .cse2 2) v_main_~j~0_13) (<= .cse2 .cse3) (<= .cse2 .cse0) (<= v_main_~j~0_13 (+ main_~j~0 .cse3 2)) (<= (+ main_~j~0 2) v_main_~j~0_13))) (let ((.cse4 (+ main_~j~0 1))) (and (<= .cse4 v_main_~j~0_13) (<= 1 v_main_~j~0_13) (<= 3 main_~i~0) (<= main_~i~0 3) (<= v_main_~j~0_13 .cse4))) (and (= v_main_~j~0_13 main_~j~0) (= main_~i~0 1))) (<= v_main_~j~0_13 10)))) (and (exists ((v_main_~j~0_13 Int)) (and (<= 10 v_main_~j~0_13) (or (let ((.cse7 (div (+ main_~i~0 (- 7)) 2)) (.cse6 (div (+ (* main_~i~0 (- 1)) 7) (- 2))) (.cse5 (div (+ v_main_~j~0_13 (- 4)) 3)) (.cse8 (div (+ v_main_~j~0_13 (- 1)) 3))) (and (<= v_main_~j~0_13 (+ main_~j~0 .cse5 3)) (<= .cse6 .cse7) (<= (+ main_~j~0 3) v_main_~j~0_13) (<= 0 .cse8) (<= (+ main_~j~0 .cse6 3) v_main_~j~0_13) (<= 0 .cse5) (<= .cse6 .cse8) (<= v_main_~j~0_13 (+ .cse7 main_~j~0 3)) (<= 0 .cse7) (<= .cse6 .cse5) (<= v_main_~j~0_13 (+ .cse8 main_~j~0 3)))) (and (= v_main_~j~0_13 (+ main_~j~0 1)) (= main_~i~0 3)) (let ((.cse9 (+ main_~j~0 2))) (and (<= 5 main_~i~0) (<= main_~i~0 5) (<= 1 v_main_~j~0_13) (<= v_main_~j~0_13 .cse9) (<= .cse9 v_main_~j~0_13)))) (<= v_main_~j~0_13 10))) (<= main_~i~0 main_~j~0))) [2020-11-07 02:08:38,021 INFO L262 CegarLoopResult]: At program point L27(line 27) the Hoare annotation is: (= main_~i~0 1) [2020-11-07 02:08:38,021 INFO L269 CegarLoopResult]: At program point L26(line 26) the Hoare annotation is: true [2020-11-07 02:08:38,022 INFO L262 CegarLoopResult]: At program point L28-2(lines 28 31) the Hoare annotation is: (exists ((v_main_~j~0_13 Int)) (and (<= 10 v_main_~j~0_13) (or (let ((.cse1 (div (+ v_main_~j~0_13 (- 1)) 3)) (.cse2 (div (+ (* main_~i~0 (- 1)) 5) (- 2))) (.cse0 (div (+ v_main_~j~0_13 (- 4)) 3)) (.cse3 (div (+ main_~i~0 (- 5)) 2))) (and (<= v_main_~j~0_13 (+ main_~j~0 .cse0 2)) (<= 0 .cse1) (<= .cse2 .cse1) (<= v_main_~j~0_13 (+ .cse1 main_~j~0 2)) (<= 0 .cse0) (<= 0 .cse3) (<= (+ main_~j~0 .cse2 2) v_main_~j~0_13) (<= .cse2 .cse3) (<= .cse2 .cse0) (<= v_main_~j~0_13 (+ main_~j~0 .cse3 2)) (<= (+ main_~j~0 2) v_main_~j~0_13))) (let ((.cse4 (+ main_~j~0 1))) (and (<= .cse4 v_main_~j~0_13) (<= 1 v_main_~j~0_13) (<= 3 main_~i~0) (<= main_~i~0 3) (<= v_main_~j~0_13 .cse4))) (and (= v_main_~j~0_13 main_~j~0) (= main_~i~0 1))) (<= v_main_~j~0_13 10))) [2020-11-07 02:08:38,022 INFO L269 CegarLoopResult]: At program point L25(line 25) the Hoare annotation is: true [2020-11-07 02:08:38,022 INFO L262 CegarLoopResult]: At program point L28-3(lines 28 31) the Hoare annotation is: (and (exists ((v_main_~j~0_13 Int)) (and (<= 10 v_main_~j~0_13) (or (let ((.cse2 (div (+ main_~i~0 (- 7)) 2)) (.cse1 (div (+ (* main_~i~0 (- 1)) 7) (- 2))) (.cse0 (div (+ v_main_~j~0_13 (- 4)) 3)) (.cse3 (div (+ v_main_~j~0_13 (- 1)) 3))) (and (<= v_main_~j~0_13 (+ main_~j~0 .cse0 3)) (<= .cse1 .cse2) (<= (+ main_~j~0 3) v_main_~j~0_13) (<= 0 .cse3) (<= (+ main_~j~0 .cse1 3) v_main_~j~0_13) (<= 0 .cse0) (<= .cse1 .cse3) (<= v_main_~j~0_13 (+ .cse2 main_~j~0 3)) (<= 0 .cse2) (<= .cse1 .cse0) (<= v_main_~j~0_13 (+ .cse3 main_~j~0 3)))) (and (= v_main_~j~0_13 (+ main_~j~0 1)) (= main_~i~0 3)) (let ((.cse4 (+ main_~j~0 2))) (and (<= 5 main_~i~0) (<= main_~i~0 5) (<= 1 v_main_~j~0_13) (<= v_main_~j~0_13 .cse4) (<= .cse4 v_main_~j~0_13)))) (<= v_main_~j~0_13 10))) (<= main_~i~0 (+ main_~j~0 3)) (< main_~j~0 main_~i~0)) [2020-11-07 02:08:38,022 INFO L269 CegarLoopResult]: At program point mainEXIT(lines 24 34) the Hoare annotation is: true [2020-11-07 02:08:38,023 INFO L269 CegarLoopResult]: At program point mainFINAL(lines 24 34) the Hoare annotation is: true [2020-11-07 02:08:38,023 INFO L269 CegarLoopResult]: At program point L18-2(lines 17 22) the Hoare annotation is: true [2020-11-07 02:08:38,023 INFO L269 CegarLoopResult]: At program point __VERIFIER_assertENTRY(lines 17 22) the Hoare annotation is: true [2020-11-07 02:08:38,023 INFO L269 CegarLoopResult]: At program point __VERIFIER_assertEXIT(lines 17 22) the Hoare annotation is: true [2020-11-07 02:08:38,023 INFO L262 CegarLoopResult]: At program point L19(line 19) the Hoare annotation is: (or (not (<= 6 main_~j~0)) (= |__VERIFIER_assert_#in~cond| 0) (not (<= main_~j~0 6))) [2020-11-07 02:08:38,023 INFO L262 CegarLoopResult]: At program point L18(lines 18 20) the Hoare annotation is: (or (not (<= 6 main_~j~0)) (= |__VERIFIER_assert_#in~cond| 0) (not (<= main_~j~0 6)) (not (= __VERIFIER_assert_~cond 0))) [2020-11-07 02:08:38,024 INFO L262 CegarLoopResult]: At program point L19-1(line 19) the Hoare annotation is: (or (not (<= 6 main_~j~0)) (= |__VERIFIER_assert_#in~cond| 0) (not (<= main_~j~0 6))) [2020-11-07 02:08:38,036 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-11-07 02:08:38,037 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-11-07 02:08:38,038 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-11-07 02:08:38,038 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-11-07 02:08:38,039 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-11-07 02:08:38,039 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-11-07 02:08:38,039 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-11-07 02:08:38,039 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-11-07 02:08:38,040 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-11-07 02:08:38,040 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-11-07 02:08:38,040 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-11-07 02:08:38,041 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-11-07 02:08:38,041 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-11-07 02:08:38,041 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-11-07 02:08:38,041 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-11-07 02:08:38,042 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-11-07 02:08:38,042 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-11-07 02:08:38,051 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-11-07 02:08:38,052 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-11-07 02:08:38,052 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-11-07 02:08:38,052 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-11-07 02:08:38,052 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-11-07 02:08:38,053 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-11-07 02:08:38,053 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-11-07 02:08:38,053 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-11-07 02:08:38,053 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-11-07 02:08:38,054 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-11-07 02:08:38,054 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-11-07 02:08:38,054 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-11-07 02:08:38,054 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-11-07 02:08:38,055 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-11-07 02:08:38,055 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-11-07 02:08:38,055 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-11-07 02:08:38,055 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-11-07 02:08:38,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 02:08:38 BoogieIcfgContainer [2020-11-07 02:08:38,060 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-07 02:08:38,062 INFO L168 Benchmark]: Toolchain (without parser) took 6873.32 ms. Allocated memory was 153.1 MB in the beginning and 184.5 MB in the end (delta: 31.5 MB). Free memory was 129.8 MB in the beginning and 113.2 MB in the end (delta: 16.6 MB). Peak memory consumption was 94.8 MB. Max. memory is 8.0 GB. [2020-11-07 02:08:38,063 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 153.1 MB. Free memory is still 126.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-11-07 02:08:38,064 INFO L168 Benchmark]: CACSL2BoogieTranslator took 277.66 ms. Allocated memory is still 153.1 MB. Free memory was 129.1 MB in the beginning and 119.5 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2020-11-07 02:08:38,065 INFO L168 Benchmark]: Boogie Preprocessor took 46.89 ms. Allocated memory is still 153.1 MB. Free memory was 119.5 MB in the beginning and 118.3 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-11-07 02:08:38,066 INFO L168 Benchmark]: RCFGBuilder took 639.10 ms. Allocated memory is still 153.1 MB. Free memory was 118.1 MB in the beginning and 104.7 MB in the end (delta: 13.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2020-11-07 02:08:38,067 INFO L168 Benchmark]: TraceAbstraction took 5896.14 ms. Allocated memory was 153.1 MB in the beginning and 184.5 MB in the end (delta: 31.5 MB). Free memory was 104.1 MB in the beginning and 113.2 MB in the end (delta: -9.1 MB). Peak memory consumption was 68.6 MB. Max. memory is 8.0 GB. [2020-11-07 02:08:38,072 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 153.1 MB. Free memory is still 126.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 277.66 ms. Allocated memory is still 153.1 MB. Free memory was 129.1 MB in the beginning and 119.5 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 46.89 ms. Allocated memory is still 153.1 MB. Free memory was 119.5 MB in the beginning and 118.3 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 639.10 ms. Allocated memory is still 153.1 MB. Free memory was 118.1 MB in the beginning and 104.7 MB in the end (delta: 13.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 5896.14 ms. Allocated memory was 153.1 MB in the beginning and 184.5 MB in the end (delta: 31.5 MB). Free memory was 104.1 MB in the beginning and 113.2 MB in the end (delta: -9.1 MB). Peak memory consumption was 68.6 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_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 28]: Loop Invariant [2020-11-07 02:08:38,088 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-11-07 02:08:38,088 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-11-07 02:08:38,089 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-11-07 02:08:38,089 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-11-07 02:08:38,089 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-11-07 02:08:38,089 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-11-07 02:08:38,090 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-11-07 02:08:38,090 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-11-07 02:08:38,090 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-11-07 02:08:38,090 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-11-07 02:08:38,091 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-11-07 02:08:38,091 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-11-07 02:08:38,091 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-11-07 02:08:38,091 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-11-07 02:08:38,091 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-11-07 02:08:38,092 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-11-07 02:08:38,092 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-11-07 02:08:38,092 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-11-07 02:08:38,093 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-11-07 02:08:38,093 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-11-07 02:08:38,093 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-11-07 02:08:38,093 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-11-07 02:08:38,094 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-11-07 02:08:38,094 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-11-07 02:08:38,094 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-11-07 02:08:38,094 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-11-07 02:08:38,095 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-11-07 02:08:38,095 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-11-07 02:08:38,095 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-11-07 02:08:38,095 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-11-07 02:08:38,095 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-11-07 02:08:38,096 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-11-07 02:08:38,096 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-11-07 02:08:38,096 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] Derived loop invariant: (\exists v_main_~j~0_13 : int :: (10 <= v_main_~j~0_13 && ((((((((((((v_main_~j~0_13 <= j + (v_main_~j~0_13 + -4) / 3 + 2 && 0 <= (v_main_~j~0_13 + -1) / 3) && (i * -1 + 5) / -2 <= (v_main_~j~0_13 + -1) / 3) && v_main_~j~0_13 <= (v_main_~j~0_13 + -1) / 3 + j + 2) && 0 <= (v_main_~j~0_13 + -4) / 3) && 0 <= (i + -5) / 2) && j + (i * -1 + 5) / -2 + 2 <= v_main_~j~0_13) && (i * -1 + 5) / -2 <= (i + -5) / 2) && (i * -1 + 5) / -2 <= (v_main_~j~0_13 + -4) / 3) && v_main_~j~0_13 <= j + (i + -5) / 2 + 2) && j + 2 <= v_main_~j~0_13) || ((((j + 1 <= v_main_~j~0_13 && 1 <= v_main_~j~0_13) && 3 <= i) && i <= 3) && v_main_~j~0_13 <= j + 1)) || (v_main_~j~0_13 == j && i == 1))) && v_main_~j~0_13 <= 10) - ProcedureContractResult [Line: 12]: Procedure Contract for reach_error Derived contract for procedure reach_error: 1 - 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 - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 41 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.0s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 70 SDtfs, 48 SDslu, 93 SDs, 0 SdLazy, 96 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=36occurred in iteration=0, 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, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 36 LocationsWithAnnotation, 60 PreInvPairs, 72 NumberOfFragments, 843 HoareAnnotationTreeSize, 60 FomulaSimplifications, 114 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 36 FomulaSimplificationsInter, 632 FormulaSimplificationTreeSizeReductionInter, 0.5s 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...