/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 0.2.1-dev-b7b32d2 [2021-02-21 21:26:18,841 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-21 21:26:18,846 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-21 21:26:18,920 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-02-21 21:26:19,106 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-21 21:26:19,107 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-21 21:26:19,108 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-21 21:26:19,111 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2021-02-21 21:26:19,148 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-21 21:26:19,148 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-21 21:26:19,151 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-21 21:26:19,151 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-21 21:26:19,151 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-21 21:26:19,151 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-21 21:26:19,152 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-21 21:26:19,152 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-21 21:26:19,152 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-21 21:26:19,152 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-21 21:26:19,153 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-21 21:26:19,153 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-21 21:26:19,153 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-21 21:26:19,153 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-21 21:26:19,153 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-21 21:26:19,154 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-21 21:26:19,154 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-21 21:26:19,154 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-21 21:26:19,154 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-21 21:26:19,155 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-21 21:26:19,155 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-21 21:26:19,155 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-21 21:26:19,155 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-21 21:26:19,782 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-21 21:26:19,849 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-21 21:26:19,854 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-21 21:26:19,857 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-21 21:26:19,859 INFO L275 PluginConnector]: CDTParser initialized [2021-02-21 21:26:19,860 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/cggmp2005.i [2021-02-21 21:26:20,010 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5077f5b5f/000c640c87d6418faf64ca414e627062/FLAG2024bec5c [2021-02-21 21:26:21,287 INFO L306 CDTParser]: Found 1 translation units. [2021-02-21 21:26:21,289 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/cggmp2005.i [2021-02-21 21:26:21,309 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5077f5b5f/000c640c87d6418faf64ca414e627062/FLAG2024bec5c [2021-02-21 21:26:21,352 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5077f5b5f/000c640c87d6418faf64ca414e627062 [2021-02-21 21:26:21,359 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-21 21:26:21,381 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-21 21:26:21,390 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-21 21:26:21,391 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-21 21:26:21,400 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-21 21:26:21,403 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 09:26:21" (1/1) ... [2021-02-21 21:26:21,406 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@224610fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 09:26:21, skipping insertion in model container [2021-02-21 21:26:21,407 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 09:26:21" (1/1) ... [2021-02-21 21:26:21,422 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-21 21:26:21,453 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-21 21:26:21,737 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/cggmp2005.i[895,908] [2021-02-21 21:26:21,765 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-21 21:26:21,786 INFO L203 MainTranslator]: Completed pre-run [2021-02-21 21:26:21,810 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/cggmp2005.i[895,908] [2021-02-21 21:26:21,814 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-21 21:26:21,843 INFO L208 MainTranslator]: Completed translation [2021-02-21 21:26:21,844 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 09:26:21 WrapperNode [2021-02-21 21:26:21,844 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-21 21:26:21,846 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-21 21:26:21,847 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-21 21:26:21,847 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-21 21:26:21,870 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 09:26:21" (1/1) ... [2021-02-21 21:26:21,870 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 09:26:21" (1/1) ... [2021-02-21 21:26:21,886 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 09:26:21" (1/1) ... [2021-02-21 21:26:21,887 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 09:26:21" (1/1) ... [2021-02-21 21:26:21,897 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 09:26:21" (1/1) ... [2021-02-21 21:26:21,905 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 09:26:21" (1/1) ... [2021-02-21 21:26:21,907 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 09:26:21" (1/1) ... [2021-02-21 21:26:21,910 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-21 21:26:21,911 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-21 21:26:21,911 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-21 21:26:21,912 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-21 21:26:21,956 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 09:26:21" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-21 21:26:22,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-21 21:26:22,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-21 21:26:22,191 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-21 21:26:22,191 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-02-21 21:26:22,191 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-02-21 21:26:22,192 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-21 21:26:22,192 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-21 21:26:22,192 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-21 21:26:22,192 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2021-02-21 21:26:22,192 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2021-02-21 21:26:22,193 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-21 21:26:22,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-21 21:26:22,193 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-02-21 21:26:22,193 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-02-21 21:26:22,194 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-21 21:26:22,194 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-21 21:26:22,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-21 21:26:22,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-21 21:26:22,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-21 21:26:22,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-21 21:26:22,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-21 21:26:22,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-21 21:26:22,721 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-21 21:26:22,722 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-02-21 21:26:22,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 09:26:22 BoogieIcfgContainer [2021-02-21 21:26:22,735 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-21 21:26:22,743 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-21 21:26:22,743 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-21 21:26:22,758 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-21 21:26:22,762 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.02 09:26:21" (1/3) ... [2021-02-21 21:26:22,768 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e7a95e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 09:26:22, skipping insertion in model container [2021-02-21 21:26:22,772 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 09:26:21" (2/3) ... [2021-02-21 21:26:22,773 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e7a95e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 09:26:22, skipping insertion in model container [2021-02-21 21:26:22,774 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 09:26:22" (3/3) ... [2021-02-21 21:26:22,781 INFO L111 eAbstractionObserver]: Analyzing ICFG cggmp2005.i [2021-02-21 21:26:22,809 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-21 21:26:22,828 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-21 21:26:22,873 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-21 21:26:22,951 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-21 21:26:22,952 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-21 21:26:22,952 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-21 21:26:22,953 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-21 21:26:22,953 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-21 21:26:22,953 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-21 21:26:22,954 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-21 21:26:22,954 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-21 21:26:23,010 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states. [2021-02-21 21:26:23,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-02-21 21:26:23,048 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:26:23,050 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] [2021-02-21 21:26:23,051 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:26:23,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:26:23,077 INFO L82 PathProgramCache]: Analyzing trace with hash 1513373042, now seen corresponding path program 1 times [2021-02-21 21:26:23,100 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:26:23,102 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [325682450] [2021-02-21 21:26:23,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:26:23,277 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:26:23,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:26:23,619 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:26:23,622 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:26:23,624 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:26:23,625 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:26:23,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:26:23,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:26:23,767 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:26:23,768 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:26:23,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 21:26:23,791 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [325682450] [2021-02-21 21:26:23,797 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:26:23,798 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-02-21 21:26:23,799 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451466893] [2021-02-21 21:26:23,813 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-02-21 21:26:23,814 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:26:23,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-02-21 21:26:23,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-21 21:26:23,861 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 3 states. [2021-02-21 21:26:24,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:26:24,040 INFO L93 Difference]: Finished difference Result 43 states and 46 transitions. [2021-02-21 21:26:24,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-21 21:26:24,044 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2021-02-21 21:26:24,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:26:24,059 INFO L225 Difference]: With dead ends: 43 [2021-02-21 21:26:24,060 INFO L226 Difference]: Without dead ends: 23 [2021-02-21 21:26:24,066 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 [2021-02-21 21:26:24,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2021-02-21 21:26:24,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2021-02-21 21:26:24,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2021-02-21 21:26:24,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 23 transitions. [2021-02-21 21:26:24,151 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 23 transitions. Word has length 20 [2021-02-21 21:26:24,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:26:24,152 INFO L480 AbstractCegarLoop]: Abstraction has 23 states and 23 transitions. [2021-02-21 21:26:24,153 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-02-21 21:26:24,153 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 23 transitions. [2021-02-21 21:26:24,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-02-21 21:26:24,155 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:26:24,155 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] [2021-02-21 21:26:24,156 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-21 21:26:24,156 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:26:24,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:26:24,158 INFO L82 PathProgramCache]: Analyzing trace with hash 1507831916, now seen corresponding path program 1 times [2021-02-21 21:26:24,159 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:26:24,159 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [103739667] [2021-02-21 21:26:24,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:26:24,165 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:26:24,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:26:24,335 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:26:24,339 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:26:24,343 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:26:24,345 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-21 21:26:24,372 WARN L141 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-02-21 21:26:24,375 WARN L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-02-21 21:26:24,401 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:26:24,406 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:26:24,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:26:24,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:26:24,517 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:26:24,519 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:26:24,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 21:26:24,534 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [103739667] [2021-02-21 21:26:24,534 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:26:24,534 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-02-21 21:26:24,535 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685304629] [2021-02-21 21:26:24,537 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-21 21:26:24,539 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:26:24,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-21 21:26:24,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-02-21 21:26:24,544 INFO L87 Difference]: Start difference. First operand 23 states and 23 transitions. Second operand 5 states. [2021-02-21 21:26:24,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:26:24,775 INFO L93 Difference]: Finished difference Result 30 states and 30 transitions. [2021-02-21 21:26:24,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-21 21:26:24,776 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2021-02-21 21:26:24,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:26:24,779 INFO L225 Difference]: With dead ends: 30 [2021-02-21 21:26:24,779 INFO L226 Difference]: Without dead ends: 25 [2021-02-21 21:26:24,782 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 [2021-02-21 21:26:24,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2021-02-21 21:26:24,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 24. [2021-02-21 21:26:24,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2021-02-21 21:26:24,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 24 transitions. [2021-02-21 21:26:24,804 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 24 transitions. Word has length 20 [2021-02-21 21:26:24,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:26:24,805 INFO L480 AbstractCegarLoop]: Abstraction has 24 states and 24 transitions. [2021-02-21 21:26:24,805 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-21 21:26:24,805 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 24 transitions. [2021-02-21 21:26:24,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-02-21 21:26:24,807 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:26:24,807 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] [2021-02-21 21:26:24,808 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-21 21:26:24,808 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:26:24,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:26:24,809 INFO L82 PathProgramCache]: Analyzing trace with hash -37683431, now seen corresponding path program 1 times [2021-02-21 21:26:24,810 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:26:24,811 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1123057084] [2021-02-21 21:26:24,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:26:26,998 WARN L141 QuantifierPusher]: treesize reduction 40, result has 64.6 percent of original size [2021-02-21 21:26:27,063 WARN L147 QuantifierPusher]: treesize reduction 40, result has 64.6 percent of original size 73 [2021-02-21 21:26:27,065 INFO L206 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-02-21 21:26:27,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:26:27,175 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:26:27,176 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:26:27,178 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:26:27,179 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-21 21:26:27,191 WARN L141 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-02-21 21:26:27,197 WARN L147 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size 10 [2021-02-21 21:26:27,225 WARN L141 QuantifierPusher]: treesize reduction 14, result has 60.0 percent of original size [2021-02-21 21:26:27,228 WARN L147 QuantifierPusher]: treesize reduction 14, result has 60.0 percent of original size 21 [2021-02-21 21:26:27,273 WARN L141 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-02-21 21:26:27,276 WARN L147 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size 7 [2021-02-21 21:26:27,302 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:26:27,305 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:26:27,317 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:26:27,318 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:26:27,341 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:26:27,343 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:26:27,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:26:27,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:26:27,416 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:26:27,418 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:26:27,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 21:26:27,442 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:26:27,454 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 21:26:27,464 WARN L141 QuantifierPusher]: treesize reduction 3, result has 97.3 percent of original size [2021-02-21 21:26:27,481 WARN L147 QuantifierPusher]: treesize reduction 3, result has 97.3 percent of original size 110 [2021-02-21 21:26:27,489 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 142 [2021-02-21 21:26:27,617 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:26:27,620 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 21:26:27,628 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:26:27,635 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 110 [2021-02-21 21:26:27,642 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 115 [2021-02-21 21:26:27,743 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:26:27,750 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 21:26:27,757 WARN L141 QuantifierPusher]: treesize reduction 2, result has 98.2 percent of original size [2021-02-21 21:26:27,762 WARN L147 QuantifierPusher]: treesize reduction 2, result has 98.2 percent of original size 110 [2021-02-21 21:26:27,767 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-02-21 21:26:27,847 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:26:27,853 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-21 21:26:27,857 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:26:27,860 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 112 [2021-02-21 21:26:27,864 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 123 [2021-02-21 21:26:27,977 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:26:27,979 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:26:27,980 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1123057084] [2021-02-21 21:26:27,981 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:26:27,981 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-02-21 21:26:27,982 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962080545] [2021-02-21 21:26:27,983 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-02-21 21:26:27,983 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:26:27,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-02-21 21:26:27,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2021-02-21 21:26:27,987 INFO L87 Difference]: Start difference. First operand 24 states and 24 transitions. Second operand 11 states. [2021-02-21 21:26:28,799 WARN L202 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 77 [2021-02-21 21:26:29,010 WARN L202 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 75 [2021-02-21 21:26:29,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:26:29,133 INFO L93 Difference]: Finished difference Result 25 states and 25 transitions. [2021-02-21 21:26:29,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-21 21:26:29,134 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 23 [2021-02-21 21:26:29,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:26:29,135 INFO L225 Difference]: With dead ends: 25 [2021-02-21 21:26:29,135 INFO L226 Difference]: Without dead ends: 0 [2021-02-21 21:26:29,137 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=82, Invalid=338, Unknown=0, NotChecked=0, Total=420 [2021-02-21 21:26:29,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-21 21:26:29,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-21 21:26:29,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-21 21:26:29,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-21 21:26:29,139 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2021-02-21 21:26:29,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:26:29,139 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-21 21:26:29,139 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-02-21 21:26:29,139 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-21 21:26:29,140 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-21 21:26:29,140 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-21 21:26:29,144 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-21 21:26:29,562 WARN L202 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 79 [2021-02-21 21:26:29,850 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 12) no Hoare annotation was computed. [2021-02-21 21:26:29,851 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 12) no Hoare annotation was computed. [2021-02-21 21:26:29,851 INFO L189 CegarLoopUtils]: For program point L12-1(line 12) no Hoare annotation was computed. [2021-02-21 21:26:29,851 INFO L189 CegarLoopUtils]: For program point L12-2(line 12) no Hoare annotation was computed. [2021-02-21 21:26:29,851 INFO L189 CegarLoopUtils]: For program point L12-3(line 12) no Hoare annotation was computed. [2021-02-21 21:26:29,852 INFO L192 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: true [2021-02-21 21:26:29,852 INFO L192 CegarLoopUtils]: At program point L-1-1(line -1) the Hoare annotation is: true [2021-02-21 21:26:29,852 INFO L192 CegarLoopUtils]: At program point ULTIMATE.initFINAL(line 12) the Hoare annotation is: true [2021-02-21 21:26:29,852 INFO L192 CegarLoopUtils]: At program point L12(line 12) the Hoare annotation is: true [2021-02-21 21:26:29,852 INFO L192 CegarLoopUtils]: At program point L12-1(line 12) the Hoare annotation is: true [2021-02-21 21:26:29,852 INFO L192 CegarLoopUtils]: At program point L12-2(line 12) the Hoare annotation is: true [2021-02-21 21:26:29,853 INFO L185 CegarLoopUtils]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string0.offset| |old(#t~string0.offset)|) (= |old(#length)| |#length|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string0.base| |old(#t~string0.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|) (= |#t~string1.offset| |old(#t~string1.offset)|)) [2021-02-21 21:26:29,853 INFO L192 CegarLoopUtils]: At program point L12-3(line 12) the Hoare annotation is: true [2021-02-21 21:26:29,853 INFO L192 CegarLoopUtils]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2021-02-21 21:26:29,853 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2021-02-21 21:26:29,853 INFO L192 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: true [2021-02-21 21:26:29,854 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-02-21 21:26:29,854 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2021-02-21 21:26:29,854 INFO L189 CegarLoopUtils]: For program point L15(line 15) no Hoare annotation was computed. [2021-02-21 21:26:29,854 INFO L189 CegarLoopUtils]: For program point L15-1(line 15) no Hoare annotation was computed. [2021-02-21 21:26:29,854 INFO L189 CegarLoopUtils]: For program point assume_abort_if_notENTRY(lines 14 16) no Hoare annotation was computed. [2021-02-21 21:26:29,854 INFO L189 CegarLoopUtils]: For program point L15-3(lines 14 16) no Hoare annotation was computed. [2021-02-21 21:26:29,854 INFO L189 CegarLoopUtils]: For program point assume_abort_if_notEXIT(lines 14 16) no Hoare annotation was computed. [2021-02-21 21:26:29,855 INFO L192 CegarLoopUtils]: At program point L32(line 32) the Hoare annotation is: true [2021-02-21 21:26:29,855 INFO L185 CegarLoopUtils]: 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 ((.cse0 (+ main_~j~0 1))) (and (<= .cse0 v_main_~j~0_13) (<= 5 main_~i~0) (<= main_~i~0 5) (<= v_main_~j~0_13 .cse0))) (let ((.cse3 (div (+ v_main_~j~0_13 (- 4)) 3)) (.cse2 (div (+ main_~i~0 (- 7)) 2)) (.cse1 (div (+ (* main_~i~0 (- 1)) 7) (- 2)))) (and (<= .cse1 .cse2) (<= v_main_~j~0_13 (+ main_~j~0 .cse3 2)) (<= 0 .cse3) (<= 0 .cse2) (<= .cse1 .cse3) (<= v_main_~j~0_13 (+ .cse2 main_~j~0 2)) (<= (+ main_~j~0 2) v_main_~j~0_13) (<= (+ main_~j~0 .cse1 2) v_main_~j~0_13)))) (<= v_main_~j~0_13 10))) (<= main_~i~0 (+ main_~j~0 2))) [2021-02-21 21:26:29,855 INFO L192 CegarLoopUtils]: At program point mainENTRY(lines 24 34) the Hoare annotation is: true [2021-02-21 21:26:29,856 INFO L185 CegarLoopUtils]: 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) (<= 3 main_~i~0) (<= main_~i~0 3) (<= v_main_~j~0_13 .cse0))) (let ((.cse3 (div (+ (* main_~i~0 (- 1)) 5) (- 2))) (.cse1 (div (+ v_main_~j~0_13 (- 4)) 3)) (.cse2 (div (+ main_~i~0 (- 5)) 2))) (and (<= v_main_~j~0_13 (+ main_~j~0 .cse1 2)) (<= 0 .cse1) (<= 0 .cse2) (<= (+ main_~j~0 .cse3 2) v_main_~j~0_13) (<= .cse3 .cse2) (<= .cse3 .cse1) (<= v_main_~j~0_13 (+ main_~j~0 .cse2 2)) (<= (+ main_~j~0 2) v_main_~j~0_13))) (and (= v_main_~j~0_13 main_~j~0) (= main_~i~0 1))) (<= v_main_~j~0_13 10))) (= main_~i~0 1)) (and (exists ((v_main_~j~0_13 Int)) (and (<= 10 v_main_~j~0_13) (or (let ((.cse4 (+ main_~j~0 2))) (and (<= 5 main_~i~0) (<= main_~i~0 5) (<= v_main_~j~0_13 .cse4) (<= .cse4 v_main_~j~0_13))) (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))) (and (<= v_main_~j~0_13 (+ main_~j~0 .cse5 3)) (<= .cse6 .cse7) (<= (+ main_~j~0 3) v_main_~j~0_13) (<= (+ main_~j~0 .cse6 3) v_main_~j~0_13) (<= 0 .cse5) (<= v_main_~j~0_13 (+ .cse7 main_~j~0 3)) (<= 0 .cse7) (<= .cse6 .cse5))) (and (= v_main_~j~0_13 (+ main_~j~0 1)) (= main_~i~0 3))) (<= v_main_~j~0_13 10))) (<= main_~i~0 main_~j~0))) [2021-02-21 21:26:29,857 INFO L185 CegarLoopUtils]: At program point L27(line 27) the Hoare annotation is: (= main_~i~0 1) [2021-02-21 21:26:29,857 INFO L192 CegarLoopUtils]: At program point L26(line 26) the Hoare annotation is: true [2021-02-21 21:26:29,857 INFO L185 CegarLoopUtils]: 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) (<= 3 main_~i~0) (<= main_~i~0 3) (<= v_main_~j~0_13 .cse0))) (let ((.cse3 (div (+ (* main_~i~0 (- 1)) 5) (- 2))) (.cse1 (div (+ v_main_~j~0_13 (- 4)) 3)) (.cse2 (div (+ main_~i~0 (- 5)) 2))) (and (<= v_main_~j~0_13 (+ main_~j~0 .cse1 2)) (<= 0 .cse1) (<= 0 .cse2) (<= (+ main_~j~0 .cse3 2) v_main_~j~0_13) (<= .cse3 .cse2) (<= .cse3 .cse1) (<= v_main_~j~0_13 (+ main_~j~0 .cse2 2)) (<= (+ main_~j~0 2) v_main_~j~0_13))) (and (= v_main_~j~0_13 main_~j~0) (= main_~i~0 1))) (<= v_main_~j~0_13 10))) [2021-02-21 21:26:29,857 INFO L192 CegarLoopUtils]: At program point L25(line 25) the Hoare annotation is: true [2021-02-21 21:26:29,858 INFO L185 CegarLoopUtils]: 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 ((.cse0 (+ main_~j~0 2))) (and (<= 5 main_~i~0) (<= main_~i~0 5) (<= v_main_~j~0_13 .cse0) (<= .cse0 v_main_~j~0_13))) (let ((.cse3 (div (+ main_~i~0 (- 7)) 2)) (.cse2 (div (+ (* main_~i~0 (- 1)) 7) (- 2))) (.cse1 (div (+ v_main_~j~0_13 (- 4)) 3))) (and (<= v_main_~j~0_13 (+ main_~j~0 .cse1 3)) (<= .cse2 .cse3) (<= (+ main_~j~0 3) v_main_~j~0_13) (<= (+ main_~j~0 .cse2 3) v_main_~j~0_13) (<= 0 .cse1) (<= v_main_~j~0_13 (+ .cse3 main_~j~0 3)) (<= 0 .cse3) (<= .cse2 .cse1))) (and (= v_main_~j~0_13 (+ main_~j~0 1)) (= main_~i~0 3))) (<= v_main_~j~0_13 10))) (<= main_~j~0 6) (<= main_~i~0 (+ main_~j~0 3))) [2021-02-21 21:26:29,858 INFO L192 CegarLoopUtils]: At program point mainEXIT(lines 24 34) the Hoare annotation is: true [2021-02-21 21:26:29,859 INFO L192 CegarLoopUtils]: At program point mainFINAL(lines 24 34) the Hoare annotation is: true [2021-02-21 21:26:29,859 INFO L192 CegarLoopUtils]: At program point L18-2(lines 17 22) the Hoare annotation is: true [2021-02-21 21:26:29,859 INFO L192 CegarLoopUtils]: At program point __VERIFIER_assertENTRY(lines 17 22) the Hoare annotation is: true [2021-02-21 21:26:29,859 INFO L192 CegarLoopUtils]: At program point __VERIFIER_assertEXIT(lines 17 22) the Hoare annotation is: true [2021-02-21 21:26:29,859 INFO L185 CegarLoopUtils]: At program point L19(line 19) the Hoare annotation is: (= |__VERIFIER_assert_#in~cond| 0) [2021-02-21 21:26:29,860 INFO L185 CegarLoopUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) the Hoare annotation is: (= |__VERIFIER_assert_#in~cond| 0) [2021-02-21 21:26:29,860 INFO L185 CegarLoopUtils]: At program point L18(lines 18 20) the Hoare annotation is: (or (= |__VERIFIER_assert_#in~cond| 0) (not (= __VERIFIER_assert_~cond 0))) [2021-02-21 21:26:29,860 INFO L185 CegarLoopUtils]: At program point L19-1(line 19) the Hoare annotation is: (= |__VERIFIER_assert_#in~cond| 0) [2021-02-21 21:26:29,877 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2021-02-21 21:26:29,880 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2021-02-21 21:26:29,880 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2021-02-21 21:26:29,880 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2021-02-21 21:26:29,881 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2021-02-21 21:26:29,881 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2021-02-21 21:26:29,881 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2021-02-21 21:26:29,882 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2021-02-21 21:26:29,882 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2021-02-21 21:26:29,882 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2021-02-21 21:26:29,882 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2021-02-21 21:26:29,883 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2021-02-21 21:26:29,903 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2021-02-21 21:26:29,904 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2021-02-21 21:26:29,905 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2021-02-21 21:26:29,905 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2021-02-21 21:26:29,905 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2021-02-21 21:26:29,906 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2021-02-21 21:26:29,906 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2021-02-21 21:26:29,907 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2021-02-21 21:26:29,909 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2021-02-21 21:26:29,909 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2021-02-21 21:26:29,910 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2021-02-21 21:26:29,910 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2021-02-21 21:26:29,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.02 09:26:29 BoogieIcfgContainer [2021-02-21 21:26:29,920 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-21 21:26:29,927 INFO L168 Benchmark]: Toolchain (without parser) took 8558.24 ms. Allocated memory was 166.7 MB in the beginning and 219.2 MB in the end (delta: 52.4 MB). Free memory was 121.8 MB in the beginning and 159.6 MB in the end (delta: -37.8 MB). Peak memory consumption was 61.3 MB. Max. memory is 8.0 GB. [2021-02-21 21:26:29,939 INFO L168 Benchmark]: CDTParser took 0.45 ms. Allocated memory is still 166.7 MB. Free memory is still 138.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-21 21:26:29,941 INFO L168 Benchmark]: CACSL2BoogieTranslator took 454.97 ms. Allocated memory is still 166.7 MB. Free memory was 120.7 MB in the beginning and 110.9 MB in the end (delta: 9.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2021-02-21 21:26:29,944 INFO L168 Benchmark]: Boogie Preprocessor took 63.86 ms. Allocated memory is still 166.7 MB. Free memory was 110.9 MB in the beginning and 109.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-02-21 21:26:29,946 INFO L168 Benchmark]: RCFGBuilder took 824.62 ms. Allocated memory is still 166.7 MB. Free memory was 109.3 MB in the beginning and 136.1 MB in the end (delta: -26.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2021-02-21 21:26:29,947 INFO L168 Benchmark]: TraceAbstraction took 7177.43 ms. Allocated memory was 166.7 MB in the beginning and 219.2 MB in the end (delta: 52.4 MB). Free memory was 135.6 MB in the beginning and 159.6 MB in the end (delta: -24.0 MB). Peak memory consumption was 75.0 MB. Max. memory is 8.0 GB. [2021-02-21 21:26:29,951 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45 ms. Allocated memory is still 166.7 MB. Free memory is still 138.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 454.97 ms. Allocated memory is still 166.7 MB. Free memory was 120.7 MB in the beginning and 110.9 MB in the end (delta: 9.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 63.86 ms. Allocated memory is still 166.7 MB. Free memory was 110.9 MB in the beginning and 109.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 824.62 ms. Allocated memory is still 166.7 MB. Free memory was 109.3 MB in the beginning and 136.1 MB in the end (delta: -26.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 7177.43 ms. Allocated memory was 166.7 MB in the beginning and 219.2 MB in the end (delta: 52.4 MB). Free memory was 135.6 MB in the beginning and 159.6 MB in the end (delta: -24.0 MB). Peak memory consumption was 75.0 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] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 28]: Loop Invariant [2021-02-21 21:26:29,963 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2021-02-21 21:26:29,963 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2021-02-21 21:26:29,963 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2021-02-21 21:26:29,964 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2021-02-21 21:26:29,964 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2021-02-21 21:26:29,964 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2021-02-21 21:26:29,964 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2021-02-21 21:26:29,965 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2021-02-21 21:26:29,965 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2021-02-21 21:26:29,965 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2021-02-21 21:26:29,965 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2021-02-21 21:26:29,966 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2021-02-21 21:26:29,967 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2021-02-21 21:26:29,967 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2021-02-21 21:26:29,967 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2021-02-21 21:26:29,968 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2021-02-21 21:26:29,968 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2021-02-21 21:26:29,968 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2021-02-21 21:26:29,969 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2021-02-21 21:26:29,969 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2021-02-21 21:26:29,969 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2021-02-21 21:26:29,969 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2021-02-21 21:26:29,969 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_13,QUANTIFIED] [2021-02-21 21:26:29,970 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 && 3 <= i) && i <= 3) && v_main_~j~0_13 <= j + 1) || (((((((v_main_~j~0_13 <= j + (v_main_~j~0_13 + -4) / 3 + 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)) || (v_main_~j~0_13 == j && i == 1))) && v_main_~j~0_13 <= 10) - 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: 6.1s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 66 SDtfs, 46 SDslu, 93 SDs, 0 SdLazy, 96 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=31occurred 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, 31 LocationsWithAnnotation, 45 PreInvPairs, 57 NumberOfFragments, 649 HoareAnnotationTreeSize, 45 FomulaSimplifications, 114 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 31 FomulaSimplificationsInter, 569 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...