/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-b8ad66e [2020-10-23 22:00:55,111 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-23 22:00:55,114 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-23 22:00:55,161 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-10-23 22:00:55,249 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-23 22:00:55,250 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-23 22:00:55,251 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-23 22:00:55,252 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-10-23 22:00:55,276 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-23 22:00:55,276 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-23 22:00:55,281 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-23 22:00:55,281 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-23 22:00:55,281 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-23 22:00:55,281 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-23 22:00:55,282 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-23 22:00:55,282 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-23 22:00:55,282 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-23 22:00:55,282 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-23 22:00:55,283 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-23 22:00:55,284 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-23 22:00:55,284 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-23 22:00:55,284 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-23 22:00:55,285 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-23 22:00:55,285 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-10-23 22:00:55,285 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-23 22:00:55,286 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-23 22:00:55,286 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 22:00:55,286 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-23 22:00:55,286 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-10-23 22:00:55,286 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-23 22:00:55,287 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-10-23 22:00:55,701 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-23 22:00:55,745 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-23 22:00:55,748 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-23 22:00:55,750 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-23 22:00:55,750 INFO L275 PluginConnector]: CDTParser initialized [2020-10-23 22:00:55,751 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/cggmp2005.i [2020-10-23 22:00:55,821 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/681db5b19/6c0ef5ae0452428abd405d071492921d/FLAG24b67e7f7 [2020-10-23 22:00:56,485 INFO L306 CDTParser]: Found 1 translation units. [2020-10-23 22:00:56,485 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/cggmp2005.i [2020-10-23 22:00:56,494 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/681db5b19/6c0ef5ae0452428abd405d071492921d/FLAG24b67e7f7 [2020-10-23 22:00:56,518 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/681db5b19/6c0ef5ae0452428abd405d071492921d [2020-10-23 22:00:56,521 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-23 22:00:56,531 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-23 22:00:56,536 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-23 22:00:56,536 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-23 22:00:56,540 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-23 22:00:56,541 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 10:00:56" (1/1) ... [2020-10-23 22:00:56,548 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18592b51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:00:56, skipping insertion in model container [2020-10-23 22:00:56,549 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 10:00:56" (1/1) ... [2020-10-23 22:00:56,559 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-23 22:00:56,578 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-23 22:00:56,768 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 22:00:56,783 INFO L203 MainTranslator]: Completed pre-run [2020-10-23 22:00:56,801 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 22:00:56,818 INFO L208 MainTranslator]: Completed translation [2020-10-23 22:00:56,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:00:56 WrapperNode [2020-10-23 22:00:56,820 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-23 22:00:56,821 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-23 22:00:56,821 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-23 22:00:56,821 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-23 22:00:56,833 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:00:56" (1/1) ... [2020-10-23 22:00:56,834 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:00:56" (1/1) ... [2020-10-23 22:00:56,841 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:00:56" (1/1) ... [2020-10-23 22:00:56,841 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:00:56" (1/1) ... [2020-10-23 22:00:56,846 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:00:56" (1/1) ... [2020-10-23 22:00:56,850 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:00:56" (1/1) ... [2020-10-23 22:00:56,852 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:00:56" (1/1) ... [2020-10-23 22:00:56,856 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-23 22:00:56,857 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-23 22:00:56,857 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-23 22:00:56,857 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-23 22:00:56,858 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:00:56" (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 [2020-10-23 22:00:56,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-23 22:00:56,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-23 22:00:56,946 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-23 22:00:56,946 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-23 22:00:56,947 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-10-23 22:00:56,947 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-23 22:00:56,947 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-23 22:00:56,947 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-23 22:00:56,947 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-23 22:00:56,948 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-23 22:00:56,948 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-23 22:00:56,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-23 22:00:56,948 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-23 22:00:56,948 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-10-23 22:00:56,949 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-23 22:00:56,949 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-23 22:00:56,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-23 22:00:56,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-23 22:00:56,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-23 22:00:56,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-23 22:00:56,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-23 22:00:56,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-23 22:00:57,170 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-23 22:00:57,170 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-23 22:00:57,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 10:00:57 BoogieIcfgContainer [2020-10-23 22:00:57,172 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-23 22:00:57,175 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-23 22:00:57,175 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-23 22:00:57,179 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-23 22:00:57,179 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 10:00:56" (1/3) ... [2020-10-23 22:00:57,180 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21560d8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 10:00:57, skipping insertion in model container [2020-10-23 22:00:57,181 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:00:56" (2/3) ... [2020-10-23 22:00:57,181 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21560d8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 10:00:57, skipping insertion in model container [2020-10-23 22:00:57,181 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 10:00:57" (3/3) ... [2020-10-23 22:00:57,183 INFO L111 eAbstractionObserver]: Analyzing ICFG cggmp2005.i [2020-10-23 22:00:57,215 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-23 22:00:57,227 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-23 22:00:57,261 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-23 22:00:57,310 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-23 22:00:57,310 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-23 22:00:57,310 INFO L379 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-10-23 22:00:57,311 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-23 22:00:57,311 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-23 22:00:57,311 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-23 22:00:57,311 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-23 22:00:57,311 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-23 22:00:57,332 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states. [2020-10-23 22:00:57,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-23 22:00:57,342 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 22:00:57,343 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] [2020-10-23 22:00:57,343 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 22:00:57,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 22:00:57,350 INFO L82 PathProgramCache]: Analyzing trace with hash 1288659105, now seen corresponding path program 1 times [2020-10-23 22:00:57,360 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 22:00:57,361 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [742201267] [2020-10-23 22:00:57,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 22:00:57,538 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 22:00:57,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 22:00:57,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 22:00:57,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 22:00:57,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 22:00:57,800 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [742201267] [2020-10-23 22:00:57,803 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 22:00:57,803 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-23 22:00:57,804 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124515172] [2020-10-23 22:00:57,811 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-23 22:00:57,812 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 22:00:57,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-23 22:00:57,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-23 22:00:57,835 INFO L87 Difference]: Start difference. First operand 36 states. Second operand 3 states. [2020-10-23 22:00:57,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 22:00:57,954 INFO L93 Difference]: Finished difference Result 50 states and 56 transitions. [2020-10-23 22:00:57,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-23 22:00:57,956 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-10-23 22:00:57,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 22:00:57,965 INFO L225 Difference]: With dead ends: 50 [2020-10-23 22:00:57,965 INFO L226 Difference]: Without dead ends: 25 [2020-10-23 22:00:57,969 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 [2020-10-23 22:00:57,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2020-10-23 22:00:58,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2020-10-23 22:00:58,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2020-10-23 22:00:58,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 25 transitions. [2020-10-23 22:00:58,017 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 25 transitions. Word has length 22 [2020-10-23 22:00:58,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 22:00:58,018 INFO L481 AbstractCegarLoop]: Abstraction has 25 states and 25 transitions. [2020-10-23 22:00:58,018 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-23 22:00:58,018 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 25 transitions. [2020-10-23 22:00:58,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-23 22:00:58,019 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 22:00:58,019 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] [2020-10-23 22:00:58,019 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-23 22:00:58,020 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 22:00:58,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 22:00:58,021 INFO L82 PathProgramCache]: Analyzing trace with hash 258604315, now seen corresponding path program 1 times [2020-10-23 22:00:58,021 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 22:00:58,021 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [117049241] [2020-10-23 22:00:58,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 22:00:58,025 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 22:00:58,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 22:00:58,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 22:00:58,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 22:00:58,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 22:00:58,127 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [117049241] [2020-10-23 22:00:58,127 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 22:00:58,127 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-23 22:00:58,127 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776581621] [2020-10-23 22:00:58,128 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-23 22:00:58,128 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 22:00:58,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-23 22:00:58,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-23 22:00:58,130 INFO L87 Difference]: Start difference. First operand 25 states and 25 transitions. Second operand 5 states. [2020-10-23 22:00:58,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 22:00:58,246 INFO L93 Difference]: Finished difference Result 34 states and 34 transitions. [2020-10-23 22:00:58,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-23 22:00:58,247 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-10-23 22:00:58,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 22:00:58,248 INFO L225 Difference]: With dead ends: 34 [2020-10-23 22:00:58,248 INFO L226 Difference]: Without dead ends: 27 [2020-10-23 22:00:58,250 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-23 22:00:58,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-10-23 22:00:58,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 26. [2020-10-23 22:00:58,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2020-10-23 22:00:58,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 26 transitions. [2020-10-23 22:00:58,263 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 26 transitions. Word has length 22 [2020-10-23 22:00:58,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 22:00:58,263 INFO L481 AbstractCegarLoop]: Abstraction has 26 states and 26 transitions. [2020-10-23 22:00:58,263 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-23 22:00:58,263 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 26 transitions. [2020-10-23 22:00:58,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-23 22:00:58,264 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 22:00:58,264 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] [2020-10-23 22:00:58,265 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-23 22:00:58,265 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 22:00:58,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 22:00:58,266 INFO L82 PathProgramCache]: Analyzing trace with hash -944596217, now seen corresponding path program 1 times [2020-10-23 22:00:58,266 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 22:00:58,266 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1072158126] [2020-10-23 22:00:58,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 22:01:00,503 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation PRECISE [2020-10-23 22:01:00,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 22:01:00,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 22:01:00,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 22:01:00,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 22:01:01,177 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1072158126] [2020-10-23 22:01:01,178 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 22:01:01,178 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-23 22:01:01,178 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325020332] [2020-10-23 22:01:01,179 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-23 22:01:01,179 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 22:01:01,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-23 22:01:01,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2020-10-23 22:01:01,181 INFO L87 Difference]: Start difference. First operand 26 states and 26 transitions. Second operand 12 states. [2020-10-23 22:01:01,801 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 82 [2020-10-23 22:01:01,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 22:01:01,926 INFO L93 Difference]: Finished difference Result 27 states and 27 transitions. [2020-10-23 22:01:01,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-23 22:01:01,926 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 25 [2020-10-23 22:01:01,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 22:01:01,927 INFO L225 Difference]: With dead ends: 27 [2020-10-23 22:01:01,927 INFO L226 Difference]: Without dead ends: 0 [2020-10-23 22:01:01,929 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=93, Invalid=369, Unknown=0, NotChecked=0, Total=462 [2020-10-23 22:01:01,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-23 22:01:01,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-23 22:01:01,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-23 22:01:01,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-23 22:01:01,930 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2020-10-23 22:01:01,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 22:01:01,930 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-23 22:01:01,930 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-23 22:01:01,930 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-23 22:01:01,931 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-23 22:01:01,931 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-23 22:01:01,933 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-23 22:01:02,268 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 91 [2020-10-23 22:01:02,459 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 53 [2020-10-23 22:01:02,540 INFO L277 CegarLoopResult]: At program point reach_errorEXIT(line 12) the Hoare annotation is: true [2020-10-23 22:01:02,541 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 12) the Hoare annotation is: true [2020-10-23 22:01:02,541 INFO L277 CegarLoopResult]: At program point L12-1(line 12) the Hoare annotation is: true [2020-10-23 22:01:02,541 INFO L277 CegarLoopResult]: At program point L12-2(line 12) the Hoare annotation is: true [2020-10-23 22:01:02,541 INFO L277 CegarLoopResult]: At program point L12-3(line 12) the Hoare annotation is: true [2020-10-23 22:01:02,541 INFO L277 CegarLoopResult]: At program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) the Hoare annotation is: true [2020-10-23 22:01:02,542 INFO L277 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-23 22:01:02,542 INFO L277 CegarLoopResult]: At program point L-1-1(line -1) the Hoare annotation is: true [2020-10-23 22:01:02,542 INFO L277 CegarLoopResult]: At program point ULTIMATE.initFINAL(line 12) the Hoare annotation is: true [2020-10-23 22:01:02,542 INFO L277 CegarLoopResult]: At program point L12(line 12) the Hoare annotation is: true [2020-10-23 22:01:02,542 INFO L277 CegarLoopResult]: At program point L12-1(line 12) the Hoare annotation is: true [2020-10-23 22:01:02,542 INFO L277 CegarLoopResult]: At program point L12-2(line 12) the Hoare annotation is: true [2020-10-23 22:01:02,543 INFO L270 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)|)) [2020-10-23 22:01:02,543 INFO L277 CegarLoopResult]: At program point L12-3(line 12) the Hoare annotation is: true [2020-10-23 22:01:02,543 INFO L277 CegarLoopResult]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2020-10-23 22:01:02,543 INFO L277 CegarLoopResult]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2020-10-23 22:01:02,543 INFO L277 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-23 22:01:02,544 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-23 22:01:02,544 INFO L277 CegarLoopResult]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2020-10-23 22:01:02,544 INFO L274 CegarLoopResult]: For program point L15(line 15) no Hoare annotation was computed. [2020-10-23 22:01:02,544 INFO L274 CegarLoopResult]: For program point L15-1(line 15) no Hoare annotation was computed. [2020-10-23 22:01:02,544 INFO L274 CegarLoopResult]: For program point assume_abort_if_notENTRY(lines 14 16) no Hoare annotation was computed. [2020-10-23 22:01:02,544 INFO L274 CegarLoopResult]: For program point L15-3(lines 14 16) no Hoare annotation was computed. [2020-10-23 22:01:02,544 INFO L274 CegarLoopResult]: For program point assume_abort_if_notEXIT(lines 14 16) no Hoare annotation was computed. [2020-10-23 22:01:02,545 INFO L277 CegarLoopResult]: At program point L32(line 32) the Hoare annotation is: true [2020-10-23 22:01:02,545 INFO L270 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 (and (= v_main_~j~0_13 main_~j~0) (= main_~i~0 3)) (let ((.cse4 (div (+ main_~i~0 (- 8)) 2))) (let ((.cse0 (div (+ v_main_~j~0_13 (- 4)) 3)) (.cse2 (+ .cse4 1)) (.cse1 (div (+ v_main_~j~0_13 (- 1)) 3)) (.cse3 (div (+ main_~i~0 (- 7)) 2))) (and (<= v_main_~j~0_13 (+ main_~j~0 .cse0 2)) (<= 0 .cse1) (<= v_main_~j~0_13 (+ .cse1 main_~j~0 2)) (<= 0 .cse0) (<= .cse2 .cse3) (<= 0 .cse3) (<= .cse2 .cse0) (<= .cse2 .cse1) (<= (+ .cse4 main_~j~0 3) v_main_~j~0_13) (<= v_main_~j~0_13 (+ .cse3 main_~j~0 2)) (<= (+ main_~j~0 2) v_main_~j~0_13)))) (let ((.cse5 (+ main_~j~0 1))) (and (<= .cse5 v_main_~j~0_13) (<= 5 main_~i~0) (<= main_~i~0 5) (<= 1 v_main_~j~0_13) (<= v_main_~j~0_13 .cse5)))) (<= v_main_~j~0_13 10))) (<= main_~i~0 (+ main_~j~0 2))) [2020-10-23 22:01:02,545 INFO L277 CegarLoopResult]: At program point mainENTRY(lines 24 34) the Hoare annotation is: true [2020-10-23 22:01:02,546 INFO L270 CegarLoopResult]: At program point L29(line 29) the Hoare annotation is: (or (and (exists ((v_main_~j~0_13 Int)) (and (<= 10 v_main_~j~0_13) (or (let ((.cse0 (+ main_~j~0 1))) (and (<= .cse0 v_main_~j~0_13) (<= 1 v_main_~j~0_13) (<= 3 main_~i~0) (<= main_~i~0 3) (<= v_main_~j~0_13 .cse0))) (and (= v_main_~j~0_13 main_~j~0) (= main_~i~0 1)) (let ((.cse5 (div (+ main_~i~0 (- 6)) 2))) (let ((.cse1 (div (+ v_main_~j~0_13 (- 4)) 3)) (.cse2 (div (+ v_main_~j~0_13 (- 1)) 3)) (.cse4 (+ .cse5 1)) (.cse3 (div (+ main_~i~0 (- 5)) 2))) (and (<= v_main_~j~0_13 (+ main_~j~0 .cse1 2)) (<= 0 .cse2) (<= v_main_~j~0_13 (+ .cse2 main_~j~0 2)) (<= 0 .cse1) (<= 0 .cse3) (<= .cse4 .cse1) (<= (+ main_~j~0 .cse5 3) v_main_~j~0_13) (<= .cse4 .cse2) (<= v_main_~j~0_13 (+ main_~j~0 .cse3 2)) (<= (+ main_~j~0 2) v_main_~j~0_13) (<= .cse4 .cse3))))) (<= v_main_~j~0_13 10))) (= main_~i~0 1)) (and (<= main_~i~0 main_~j~0) (exists ((v_main_~j~0_13 Int)) (and (<= 10 v_main_~j~0_13) (or (and (= v_main_~j~0_13 (+ main_~j~0 1)) (= main_~i~0 3)) (let ((.cse6 (+ main_~j~0 2))) (and (<= 5 main_~i~0) (<= main_~i~0 5) (<= 1 v_main_~j~0_13) (<= v_main_~j~0_13 .cse6) (<= .cse6 v_main_~j~0_13))) (let ((.cse11 (div (+ main_~i~0 (- 8)) 2))) (let ((.cse9 (div (+ main_~i~0 (- 7)) 2)) (.cse7 (div (+ v_main_~j~0_13 (- 4)) 3)) (.cse10 (+ .cse11 1)) (.cse8 (div (+ v_main_~j~0_13 (- 1)) 3))) (and (<= v_main_~j~0_13 (+ main_~j~0 .cse7 3)) (<= (+ main_~j~0 3) v_main_~j~0_13) (<= 0 .cse8) (<= 0 .cse7) (<= v_main_~j~0_13 (+ .cse9 main_~j~0 3)) (<= .cse10 .cse9) (<= (+ .cse11 main_~j~0 4) v_main_~j~0_13) (<= 0 .cse9) (<= .cse10 .cse7) (<= .cse10 .cse8) (<= v_main_~j~0_13 (+ .cse8 main_~j~0 3)))))) (<= v_main_~j~0_13 10))))) [2020-10-23 22:01:02,546 INFO L270 CegarLoopResult]: At program point L27(line 27) the Hoare annotation is: (= main_~i~0 1) [2020-10-23 22:01:02,546 INFO L277 CegarLoopResult]: At program point L26(line 26) the Hoare annotation is: true [2020-10-23 22:01:02,547 INFO L270 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 ((.cse0 (+ main_~j~0 1))) (and (<= .cse0 v_main_~j~0_13) (<= 1 v_main_~j~0_13) (<= 3 main_~i~0) (<= main_~i~0 3) (<= v_main_~j~0_13 .cse0))) (and (= v_main_~j~0_13 main_~j~0) (= main_~i~0 1)) (let ((.cse5 (div (+ main_~i~0 (- 6)) 2))) (let ((.cse1 (div (+ v_main_~j~0_13 (- 4)) 3)) (.cse2 (div (+ v_main_~j~0_13 (- 1)) 3)) (.cse4 (+ .cse5 1)) (.cse3 (div (+ main_~i~0 (- 5)) 2))) (and (<= v_main_~j~0_13 (+ main_~j~0 .cse1 2)) (<= 0 .cse2) (<= v_main_~j~0_13 (+ .cse2 main_~j~0 2)) (<= 0 .cse1) (<= 0 .cse3) (<= .cse4 .cse1) (<= (+ main_~j~0 .cse5 3) v_main_~j~0_13) (<= .cse4 .cse2) (<= v_main_~j~0_13 (+ main_~j~0 .cse3 2)) (<= (+ main_~j~0 2) v_main_~j~0_13) (<= .cse4 .cse3))))) (<= v_main_~j~0_13 10))) [2020-10-23 22:01:02,547 INFO L277 CegarLoopResult]: At program point L25(line 25) the Hoare annotation is: true [2020-10-23 22:01:02,548 INFO L270 CegarLoopResult]: At program point L28-3(lines 28 31) the Hoare annotation is: (and (<= main_~i~0 (+ main_~j~0 3)) (exists ((v_main_~j~0_13 Int)) (and (<= 10 v_main_~j~0_13) (or (and (= v_main_~j~0_13 (+ main_~j~0 1)) (= main_~i~0 3)) (let ((.cse0 (+ main_~j~0 2))) (and (<= 5 main_~i~0) (<= main_~i~0 5) (<= 1 v_main_~j~0_13) (<= v_main_~j~0_13 .cse0) (<= .cse0 v_main_~j~0_13))) (let ((.cse5 (div (+ main_~i~0 (- 8)) 2))) (let ((.cse3 (div (+ main_~i~0 (- 7)) 2)) (.cse1 (div (+ v_main_~j~0_13 (- 4)) 3)) (.cse4 (+ .cse5 1)) (.cse2 (div (+ v_main_~j~0_13 (- 1)) 3))) (and (<= v_main_~j~0_13 (+ main_~j~0 .cse1 3)) (<= (+ main_~j~0 3) v_main_~j~0_13) (<= 0 .cse2) (<= 0 .cse1) (<= v_main_~j~0_13 (+ .cse3 main_~j~0 3)) (<= .cse4 .cse3) (<= (+ .cse5 main_~j~0 4) v_main_~j~0_13) (<= 0 .cse3) (<= .cse4 .cse1) (<= .cse4 .cse2) (<= v_main_~j~0_13 (+ .cse2 main_~j~0 3)))))) (<= v_main_~j~0_13 10))) (< main_~j~0 main_~i~0)) [2020-10-23 22:01:02,548 INFO L277 CegarLoopResult]: At program point mainEXIT(lines 24 34) the Hoare annotation is: true [2020-10-23 22:01:02,548 INFO L277 CegarLoopResult]: At program point mainFINAL(lines 24 34) the Hoare annotation is: true [2020-10-23 22:01:02,548 INFO L277 CegarLoopResult]: At program point L18-2(lines 17 22) the Hoare annotation is: true [2020-10-23 22:01:02,548 INFO L277 CegarLoopResult]: At program point __VERIFIER_assertENTRY(lines 17 22) the Hoare annotation is: true [2020-10-23 22:01:02,548 INFO L277 CegarLoopResult]: At program point __VERIFIER_assertEXIT(lines 17 22) the Hoare annotation is: true [2020-10-23 22:01:02,549 INFO L270 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))) [2020-10-23 22:01:02,549 INFO L270 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))) [2020-10-23 22:01:02,549 INFO L270 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))) [2020-10-23 22:01:02,559 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-10-23 22:01:02,561 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-10-23 22:01:02,561 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-10-23 22:01:02,561 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-10-23 22:01:02,561 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-10-23 22:01:02,562 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-10-23 22:01:02,562 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-10-23 22:01:02,562 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-10-23 22:01:02,562 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-10-23 22:01:02,563 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-10-23 22:01:02,563 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-10-23 22:01:02,563 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-10-23 22:01:02,563 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-10-23 22:01:02,564 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-10-23 22:01:02,564 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-10-23 22:01:02,564 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-10-23 22:01:02,564 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-10-23 22:01:02,572 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-10-23 22:01:02,572 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-10-23 22:01:02,573 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-10-23 22:01:02,573 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-10-23 22:01:02,573 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-10-23 22:01:02,573 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-10-23 22:01:02,574 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-10-23 22:01:02,574 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-10-23 22:01:02,574 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-10-23 22:01:02,574 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-10-23 22:01:02,575 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-10-23 22:01:02,575 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-10-23 22:01:02,575 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-10-23 22:01:02,575 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-10-23 22:01:02,576 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-10-23 22:01:02,576 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-10-23 22:01:02,576 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-10-23 22:01:02,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 10:01:02 BoogieIcfgContainer [2020-10-23 22:01:02,580 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-23 22:01:02,581 INFO L168 Benchmark]: Toolchain (without parser) took 6054.97 ms. Allocated memory is still 154.1 MB. Free memory was 130.6 MB in the beginning and 56.3 MB in the end (delta: 74.3 MB). Peak memory consumption was 75.0 MB. Max. memory is 8.0 GB. [2020-10-23 22:01:02,582 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 125.8 MB. Free memory was 96.7 MB in the beginning and 96.6 MB in the end (delta: 115.4 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-23 22:01:02,583 INFO L168 Benchmark]: CACSL2BoogieTranslator took 284.12 ms. Allocated memory is still 154.1 MB. Free memory was 130.0 MB in the beginning and 120.7 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2020-10-23 22:01:02,584 INFO L168 Benchmark]: Boogie Preprocessor took 35.11 ms. Allocated memory is still 154.1 MB. Free memory was 120.7 MB in the beginning and 119.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-10-23 22:01:02,585 INFO L168 Benchmark]: RCFGBuilder took 315.62 ms. Allocated memory is still 154.1 MB. Free memory was 119.1 MB in the beginning and 105.2 MB in the end (delta: 13.8 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2020-10-23 22:01:02,586 INFO L168 Benchmark]: TraceAbstraction took 5405.11 ms. Allocated memory is still 154.1 MB. Free memory was 104.6 MB in the beginning and 56.3 MB in the end (delta: 48.3 MB). Peak memory consumption was 49.9 MB. Max. memory is 8.0 GB. [2020-10-23 22:01:02,591 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 125.8 MB. Free memory was 96.7 MB in the beginning and 96.6 MB in the end (delta: 115.4 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 284.12 ms. Allocated memory is still 154.1 MB. Free memory was 130.0 MB in the beginning and 120.7 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 35.11 ms. Allocated memory is still 154.1 MB. Free memory was 120.7 MB in the beginning and 119.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 315.62 ms. Allocated memory is still 154.1 MB. Free memory was 119.1 MB in the beginning and 105.2 MB in the end (delta: 13.8 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 5405.11 ms. Allocated memory is still 154.1 MB. Free memory was 104.6 MB in the beginning and 56.3 MB in the end (delta: 48.3 MB). Peak memory consumption was 49.9 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 [2020-10-23 22:01:02,604 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-10-23 22:01:02,604 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-10-23 22:01:02,604 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-10-23 22:01:02,604 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-10-23 22:01:02,605 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-10-23 22:01:02,605 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-10-23 22:01:02,605 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-10-23 22:01:02,605 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-10-23 22:01:02,605 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-10-23 22:01:02,606 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-10-23 22:01:02,606 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-10-23 22:01:02,606 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-10-23 22:01:02,606 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-10-23 22:01:02,607 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-10-23 22:01:02,607 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-10-23 22:01:02,607 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-10-23 22:01:02,607 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-10-23 22:01:02,608 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-10-23 22:01:02,608 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-10-23 22:01:02,609 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-10-23 22:01:02,609 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-10-23 22:01:02,609 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-10-23 22:01:02,609 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-10-23 22:01:02,609 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-10-23 22:01:02,610 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-10-23 22:01:02,610 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-10-23 22:01:02,610 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-10-23 22:01:02,610 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-10-23 22:01:02,611 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-10-23 22:01:02,611 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-10-23 22:01:02,611 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-10-23 22:01:02,611 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-10-23 22:01:02,612 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2020-10-23 22:01:02,612 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 && ((((((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 <= j + (v_main_~j~0_13 + -4) / 3 + 2 && 0 <= (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) && (i + -6) / 2 + 1 <= (v_main_~j~0_13 + -4) / 3) && j + (i + -6) / 2 + 3 <= v_main_~j~0_13) && (i + -6) / 2 + 1 <= (v_main_~j~0_13 + -1) / 3) && v_main_~j~0_13 <= j + (i + -5) / 2 + 2) && j + 2 <= v_main_~j~0_13) && (i + -6) / 2 + 1 <= (i + -5) / 2))) && 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: 4.6s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 1.0s, 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, 1.1s 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, 833 HoareAnnotationTreeSize, 60 FomulaSimplifications, 114 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 36 FomulaSimplificationsInter, 630 FormulaSimplificationTreeSizeReductionInter, 0.4s 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...