/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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/array-examples/sanfoundry_24-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-06 22:43:48,325 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-06 22:43:48,329 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-06 22:43:48,388 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-06 22:43:48,389 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-06 22:43:48,393 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-06 22:43:48,397 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-06 22:43:48,404 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-06 22:43:48,407 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-06 22:43:48,414 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-06 22:43:48,415 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-06 22:43:48,416 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2020-11-06 22:43:48,482 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-06 22:43:48,483 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-06 22:43:48,484 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-06 22:43:48,485 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-06 22:43:48,544 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-06 22:43:48,545 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-06 22:43:48,549 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-06 22:43:48,549 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-06 22:43:48,549 INFO L138 SettingsManager]: * Use SBE=true [2020-11-06 22:43:48,550 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-06 22:43:48,550 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-06 22:43:48,550 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-06 22:43:48,550 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-06 22:43:48,551 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-06 22:43:48,552 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-06 22:43:48,552 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-06 22:43:48,552 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-06 22:43:48,552 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-06 22:43:48,553 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-06 22:43:48,553 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-06 22:43:48,553 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-06 22:43:48,553 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-06 22:43:48,553 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-06 22:43:48,554 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-06 22:43:48,554 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-06 22:43:48,554 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-06 22:43:48,554 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-06 22:43:48,555 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-06 22:43:48,555 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-06 22:43:48,555 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-06 22:43:48,555 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-06 22:43:48,555 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-06 22:43:48,555 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-06 22:43:48,556 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-06 22:43:48,976 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-06 22:43:49,024 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-06 22:43:49,028 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-06 22:43:49,029 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-06 22:43:49,030 INFO L275 PluginConnector]: CDTParser initialized [2020-11-06 22:43:49,031 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-examples/sanfoundry_24-1.i [2020-11-06 22:43:49,139 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7731972d1/d9cce8160b474a76b787f007a836696d/FLAG246b8b952 [2020-11-06 22:43:49,915 INFO L306 CDTParser]: Found 1 translation units. [2020-11-06 22:43:49,916 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-examples/sanfoundry_24-1.i [2020-11-06 22:43:49,924 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7731972d1/d9cce8160b474a76b787f007a836696d/FLAG246b8b952 [2020-11-06 22:43:50,270 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7731972d1/d9cce8160b474a76b787f007a836696d [2020-11-06 22:43:50,274 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-06 22:43:50,281 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-06 22:43:50,283 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-06 22:43:50,283 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-06 22:43:50,287 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-06 22:43:50,288 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:43:50" (1/1) ... [2020-11-06 22:43:50,292 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2559ff0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:43:50, skipping insertion in model container [2020-11-06 22:43:50,292 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:43:50" (1/1) ... [2020-11-06 22:43:50,301 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-06 22:43:50,318 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-06 22:43:50,507 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 22:43:50,518 INFO L203 MainTranslator]: Completed pre-run [2020-11-06 22:43:50,541 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 22:43:50,559 INFO L208 MainTranslator]: Completed translation [2020-11-06 22:43:50,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:43:50 WrapperNode [2020-11-06 22:43:50,560 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-06 22:43:50,561 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-06 22:43:50,561 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-06 22:43:50,561 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-06 22:43:50,574 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:43:50" (1/1) ... [2020-11-06 22:43:50,574 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:43:50" (1/1) ... [2020-11-06 22:43:50,582 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:43:50" (1/1) ... [2020-11-06 22:43:50,583 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:43:50" (1/1) ... [2020-11-06 22:43:50,591 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:43:50" (1/1) ... [2020-11-06 22:43:50,597 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:43:50" (1/1) ... [2020-11-06 22:43:50,599 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:43:50" (1/1) ... [2020-11-06 22:43:50,602 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-06 22:43:50,603 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-06 22:43:50,603 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-06 22:43:50,603 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-06 22:43:50,604 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:43:50" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-06 22:43:50,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-06 22:43:50,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-06 22:43:50,687 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-06 22:43:50,688 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-11-06 22:43:50,688 INFO L138 BoogieDeclarations]: Found implementation of procedure printEven [2020-11-06 22:43:50,688 INFO L138 BoogieDeclarations]: Found implementation of procedure printOdd [2020-11-06 22:43:50,688 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-06 22:43:50,689 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-06 22:43:50,689 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-06 22:43:50,689 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-11-06 22:43:50,690 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-11-06 22:43:50,690 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-06 22:43:50,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-06 22:43:50,691 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-06 22:43:50,691 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-11-06 22:43:50,692 INFO L130 BoogieDeclarations]: Found specification of procedure printEven [2020-11-06 22:43:50,692 INFO L130 BoogieDeclarations]: Found specification of procedure printOdd [2020-11-06 22:43:50,692 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-06 22:43:50,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-06 22:43:50,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-06 22:43:50,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-06 22:43:50,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-06 22:43:50,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-06 22:43:50,694 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-06 22:43:51,257 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-06 22:43:51,258 INFO L298 CfgBuilder]: Removed 3 assume(true) statements. [2020-11-06 22:43:51,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:43:51 BoogieIcfgContainer [2020-11-06 22:43:51,260 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-06 22:43:51,262 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-06 22:43:51,263 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-06 22:43:51,267 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-06 22:43:51,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:43:50" (1/3) ... [2020-11-06 22:43:51,268 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@531c3223 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:43:51, skipping insertion in model container [2020-11-06 22:43:51,268 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:43:50" (2/3) ... [2020-11-06 22:43:51,269 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@531c3223 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:43:51, skipping insertion in model container [2020-11-06 22:43:51,269 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:43:51" (3/3) ... [2020-11-06 22:43:51,271 INFO L111 eAbstractionObserver]: Analyzing ICFG sanfoundry_24-1.i [2020-11-06 22:43:51,290 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-06 22:43:51,294 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-06 22:43:51,309 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-06 22:43:51,339 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-06 22:43:51,339 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-06 22:43:51,339 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-06 22:43:51,339 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-06 22:43:51,340 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-06 22:43:51,340 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-06 22:43:51,340 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-06 22:43:51,340 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-06 22:43:51,359 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states. [2020-11-06 22:43:51,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-06 22:43:51,366 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:43:51,367 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:43:51,367 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:43:51,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:43:51,374 INFO L82 PathProgramCache]: Analyzing trace with hash 52760576, now seen corresponding path program 1 times [2020-11-06 22:43:51,385 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:43:51,385 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246761005] [2020-11-06 22:43:51,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:43:51,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:43:51,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:43:51,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:43:51,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:43:51,645 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246761005] [2020-11-06 22:43:51,646 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:43:51,647 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-06 22:43:51,648 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206456560] [2020-11-06 22:43:51,661 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-06 22:43:51,661 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:43:51,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-06 22:43:51,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-06 22:43:51,695 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 3 states. [2020-11-06 22:43:51,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:43:51,867 INFO L93 Difference]: Finished difference Result 77 states and 100 transitions. [2020-11-06 22:43:51,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-06 22:43:51,869 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2020-11-06 22:43:51,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:43:51,880 INFO L225 Difference]: With dead ends: 77 [2020-11-06 22:43:51,880 INFO L226 Difference]: Without dead ends: 36 [2020-11-06 22:43:51,884 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-06 22:43:51,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2020-11-06 22:43:51,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2020-11-06 22:43:51,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2020-11-06 22:43:51,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 41 transitions. [2020-11-06 22:43:51,941 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 41 transitions. Word has length 18 [2020-11-06 22:43:51,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:43:51,941 INFO L481 AbstractCegarLoop]: Abstraction has 36 states and 41 transitions. [2020-11-06 22:43:51,942 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-06 22:43:51,942 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 41 transitions. [2020-11-06 22:43:51,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-06 22:43:51,944 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:43:51,944 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:43:51,944 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-06 22:43:51,945 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:43:51,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:43:51,946 INFO L82 PathProgramCache]: Analyzing trace with hash -721735738, now seen corresponding path program 1 times [2020-11-06 22:43:51,946 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:43:51,947 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277419655] [2020-11-06 22:43:51,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:43:52,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:43:52,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:43:52,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:43:52,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:43:52,132 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277419655] [2020-11-06 22:43:52,133 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:43:52,133 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-06 22:43:52,133 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621652347] [2020-11-06 22:43:52,138 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-06 22:43:52,138 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:43:52,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-06 22:43:52,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-06 22:43:52,143 INFO L87 Difference]: Start difference. First operand 36 states and 41 transitions. Second operand 6 states. [2020-11-06 22:43:52,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:43:52,354 INFO L93 Difference]: Finished difference Result 79 states and 95 transitions. [2020-11-06 22:43:52,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-06 22:43:52,355 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 18 [2020-11-06 22:43:52,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:43:52,357 INFO L225 Difference]: With dead ends: 79 [2020-11-06 22:43:52,357 INFO L226 Difference]: Without dead ends: 48 [2020-11-06 22:43:52,358 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-06 22:43:52,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2020-11-06 22:43:52,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 38. [2020-11-06 22:43:52,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2020-11-06 22:43:52,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 43 transitions. [2020-11-06 22:43:52,374 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 43 transitions. Word has length 18 [2020-11-06 22:43:52,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:43:52,374 INFO L481 AbstractCegarLoop]: Abstraction has 38 states and 43 transitions. [2020-11-06 22:43:52,374 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-06 22:43:52,374 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 43 transitions. [2020-11-06 22:43:52,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-06 22:43:52,376 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:43:52,376 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] [2020-11-06 22:43:52,376 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-06 22:43:52,376 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:43:52,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:43:52,377 INFO L82 PathProgramCache]: Analyzing trace with hash 70219944, now seen corresponding path program 1 times [2020-11-06 22:43:52,378 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:43:52,378 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208431369] [2020-11-06 22:43:52,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:43:52,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:43:52,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:43:52,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:43:52,706 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-06 22:43:52,707 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208431369] [2020-11-06 22:43:52,707 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:43:52,708 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-11-06 22:43:52,708 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733897154] [2020-11-06 22:43:52,712 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-06 22:43:52,712 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:43:52,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-06 22:43:52,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-11-06 22:43:52,716 INFO L87 Difference]: Start difference. First operand 38 states and 43 transitions. Second operand 9 states. [2020-11-06 22:43:53,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:43:53,113 INFO L93 Difference]: Finished difference Result 46 states and 50 transitions. [2020-11-06 22:43:53,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-06 22:43:53,113 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 20 [2020-11-06 22:43:53,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:43:53,115 INFO L225 Difference]: With dead ends: 46 [2020-11-06 22:43:53,115 INFO L226 Difference]: Without dead ends: 42 [2020-11-06 22:43:53,116 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2020-11-06 22:43:53,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-11-06 22:43:53,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2020-11-06 22:43:53,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-11-06 22:43:53,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 46 transitions. [2020-11-06 22:43:53,126 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 46 transitions. Word has length 20 [2020-11-06 22:43:53,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:43:53,126 INFO L481 AbstractCegarLoop]: Abstraction has 42 states and 46 transitions. [2020-11-06 22:43:53,127 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-06 22:43:53,127 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 46 transitions. [2020-11-06 22:43:53,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-06 22:43:53,128 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:43:53,128 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:43:53,128 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-06 22:43:53,129 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:43:53,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:43:53,129 INFO L82 PathProgramCache]: Analyzing trace with hash -1030033712, now seen corresponding path program 1 times [2020-11-06 22:43:53,130 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:43:53,130 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164507790] [2020-11-06 22:43:53,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:43:53,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:43:53,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:43:53,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:43:53,397 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-06 22:43:53,398 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164507790] [2020-11-06 22:43:53,398 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:43:53,398 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-11-06 22:43:53,399 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753689872] [2020-11-06 22:43:53,400 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-06 22:43:53,400 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:43:53,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-06 22:43:53,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-11-06 22:43:53,403 INFO L87 Difference]: Start difference. First operand 42 states and 46 transitions. Second operand 9 states. [2020-11-06 22:43:53,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:43:53,759 INFO L93 Difference]: Finished difference Result 42 states and 46 transitions. [2020-11-06 22:43:53,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-06 22:43:53,759 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2020-11-06 22:43:53,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:43:53,760 INFO L225 Difference]: With dead ends: 42 [2020-11-06 22:43:53,760 INFO L226 Difference]: Without dead ends: 0 [2020-11-06 22:43:53,761 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2020-11-06 22:43:53,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-06 22:43:53,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-06 22:43:53,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-06 22:43:53,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-06 22:43:53,762 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2020-11-06 22:43:53,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:43:53,763 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-06 22:43:53,763 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-06 22:43:53,763 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-06 22:43:53,763 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-06 22:43:53,763 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-06 22:43:53,766 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-06 22:43:53,912 INFO L266 CegarLoopResult]: For program point reach_errorEXIT(line 12) no Hoare annotation was computed. [2020-11-06 22:43:53,916 INFO L269 CegarLoopResult]: At program point reach_errorENTRY(line 12) the Hoare annotation is: true [2020-11-06 22:43:53,916 INFO L266 CegarLoopResult]: For program point L12-1(line 12) no Hoare annotation was computed. [2020-11-06 22:43:53,917 INFO L266 CegarLoopResult]: For program point L12-2(line 12) no Hoare annotation was computed. [2020-11-06 22:43:53,917 INFO L266 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-06 22:43:53,917 INFO L266 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-11-06 22:43:53,917 INFO L262 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string0.offset| |old(#t~string0.offset)|) (= |old(#length)| |#length|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string0.base| |old(#t~string0.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|) (= |#t~string1.offset| |old(#t~string1.offset)|)) [2020-11-06 22:43:53,918 INFO L266 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-11-06 22:43:53,918 INFO L269 CegarLoopResult]: At program point printOddENTRY(lines 18 20) the Hoare annotation is: true [2020-11-06 22:43:53,918 INFO L266 CegarLoopResult]: For program point printOddFINAL(lines 18 20) no Hoare annotation was computed. [2020-11-06 22:43:53,919 INFO L262 CegarLoopResult]: At program point L19(line 19) the Hoare annotation is: (or (not (let ((.cse0 (+ |printOdd_#in~i| 1))) (<= .cse0 (* 2 (div .cse0 2))))) (not (= printOdd_~i (* (div printOdd_~i 2) 2)))) [2020-11-06 22:43:53,920 INFO L266 CegarLoopResult]: For program point printOddEXIT(lines 18 20) no Hoare annotation was computed. [2020-11-06 22:43:53,920 INFO L266 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-06 22:43:53,920 INFO L269 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-11-06 22:43:53,920 INFO L269 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-11-06 22:43:53,920 INFO L266 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-06 22:43:53,920 INFO L266 CegarLoopResult]: For program point L27-2(lines 27 30) no Hoare annotation was computed. [2020-11-06 22:43:53,921 INFO L266 CegarLoopResult]: For program point mainEXIT(lines 21 47) no Hoare annotation was computed. [2020-11-06 22:43:53,921 INFO L269 CegarLoopResult]: At program point L27-3(lines 27 30) the Hoare annotation is: true [2020-11-06 22:43:53,921 INFO L266 CegarLoopResult]: For program point L27-4(lines 27 30) no Hoare annotation was computed. [2020-11-06 22:43:53,923 INFO L262 CegarLoopResult]: At program point L36(line 36) the Hoare annotation is: (<= |main_#t~mem8| (* 2 (div |main_#t~mem8| 2))) [2020-11-06 22:43:53,923 INFO L266 CegarLoopResult]: For program point L36-1(line 36) no Hoare annotation was computed. [2020-11-06 22:43:53,923 INFO L266 CegarLoopResult]: For program point L32-2(lines 32 38) no Hoare annotation was computed. [2020-11-06 22:43:53,924 INFO L269 CegarLoopResult]: At program point L32-3(lines 32 38) the Hoare annotation is: true [2020-11-06 22:43:53,924 INFO L266 CegarLoopResult]: For program point L32-4(lines 32 38) no Hoare annotation was computed. [2020-11-06 22:43:53,924 INFO L266 CegarLoopResult]: For program point L41(lines 41 44) no Hoare annotation was computed. [2020-11-06 22:43:53,924 INFO L266 CegarLoopResult]: For program point mainFINAL(lines 21 47) no Hoare annotation was computed. [2020-11-06 22:43:53,924 INFO L266 CegarLoopResult]: For program point L34(lines 34 37) no Hoare annotation was computed. [2020-11-06 22:43:53,924 INFO L262 CegarLoopResult]: At program point mainENTRY(lines 21 47) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2020-11-06 22:43:53,925 INFO L262 CegarLoopResult]: At program point L43(line 43) the Hoare annotation is: (let ((.cse0 (+ |main_#t~mem11| 1))) (<= .cse0 (* 2 (div .cse0 2)))) [2020-11-06 22:43:53,925 INFO L266 CegarLoopResult]: For program point L43-1(line 43) no Hoare annotation was computed. [2020-11-06 22:43:53,925 INFO L266 CegarLoopResult]: For program point L39-2(lines 39 45) no Hoare annotation was computed. [2020-11-06 22:43:53,925 INFO L269 CegarLoopResult]: At program point L39-3(lines 39 45) the Hoare annotation is: true [2020-11-06 22:43:53,925 INFO L266 CegarLoopResult]: For program point L39-4(lines 39 45) no Hoare annotation was computed. [2020-11-06 22:43:53,925 INFO L262 CegarLoopResult]: At program point L16(line 16) the Hoare annotation is: (or (<= printEven_~i (* 2 (div printEven_~i 2))) (not (<= |printEven_#in~i| (* 2 (div |printEven_#in~i| 2))))) [2020-11-06 22:43:53,926 INFO L266 CegarLoopResult]: For program point printEvenEXIT(lines 15 17) no Hoare annotation was computed. [2020-11-06 22:43:53,926 INFO L269 CegarLoopResult]: At program point printEvenENTRY(lines 15 17) the Hoare annotation is: true [2020-11-06 22:43:53,926 INFO L266 CegarLoopResult]: For program point printEvenFINAL(lines 15 17) no Hoare annotation was computed. [2020-11-06 22:43:53,926 INFO L269 CegarLoopResult]: At program point __VERIFIER_assertENTRY(line 14) the Hoare annotation is: true [2020-11-06 22:43:53,926 INFO L266 CegarLoopResult]: For program point L14(line 14) no Hoare annotation was computed. [2020-11-06 22:43:53,927 INFO L262 CegarLoopResult]: At program point L14-1(line 14) the Hoare annotation is: (= |__VERIFIER_assert_#in~cond| 0) [2020-11-06 22:43:53,927 INFO L266 CegarLoopResult]: For program point L14-2(line 14) no Hoare annotation was computed. [2020-11-06 22:43:53,927 INFO L266 CegarLoopResult]: For program point L14-4(line 14) no Hoare annotation was computed. [2020-11-06 22:43:53,927 INFO L266 CegarLoopResult]: For program point __VERIFIER_assertEXIT(line 14) no Hoare annotation was computed. [2020-11-06 22:43:53,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:43:53 BoogieIcfgContainer [2020-11-06 22:43:53,938 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-06 22:43:53,948 INFO L168 Benchmark]: Toolchain (without parser) took 3664.29 ms. Allocated memory was 163.6 MB in the beginning and 198.2 MB in the end (delta: 34.6 MB). Free memory was 138.0 MB in the beginning and 92.3 MB in the end (delta: 45.7 MB). Peak memory consumption was 81.0 MB. Max. memory is 8.0 GB. [2020-11-06 22:43:53,949 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 163.6 MB. Free memory is still 137.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-11-06 22:43:53,950 INFO L168 Benchmark]: CACSL2BoogieTranslator took 277.15 ms. Allocated memory is still 163.6 MB. Free memory was 137.3 MB in the beginning and 127.9 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2020-11-06 22:43:53,951 INFO L168 Benchmark]: Boogie Preprocessor took 41.32 ms. Allocated memory is still 163.6 MB. Free memory was 127.9 MB in the beginning and 126.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-11-06 22:43:53,952 INFO L168 Benchmark]: RCFGBuilder took 657.53 ms. Allocated memory is still 163.6 MB. Free memory was 126.2 MB in the beginning and 108.9 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.8 MB. Max. memory is 8.0 GB. [2020-11-06 22:43:53,953 INFO L168 Benchmark]: TraceAbstraction took 2675.99 ms. Allocated memory was 163.6 MB in the beginning and 198.2 MB in the end (delta: 34.6 MB). Free memory was 108.5 MB in the beginning and 92.3 MB in the end (delta: 16.1 MB). Peak memory consumption was 51.7 MB. Max. memory is 8.0 GB. [2020-11-06 22:43:53,957 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 163.6 MB. Free memory is still 137.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 277.15 ms. Allocated memory is still 163.6 MB. Free memory was 137.3 MB in the beginning and 127.9 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 41.32 ms. Allocated memory is still 163.6 MB. Free memory was 127.9 MB in the beginning and 126.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 657.53 ms. Allocated memory is still 163.6 MB. Free memory was 126.2 MB in the beginning and 108.9 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2675.99 ms. Allocated memory was 163.6 MB in the beginning and 198.2 MB in the end (delta: 34.6 MB). Free memory was 108.5 MB in the beginning and 92.3 MB in the end (delta: 16.1 MB). Peak memory consumption was 51.7 MB. Max. memory is 8.0 GB. * 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: 32]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 44 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.4s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 133 SDtfs, 72 SDslu, 297 SDs, 0 SdLazy, 373 SolverSat, 42 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 41 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=44occurred 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, 4 MinimizatonAttempts, 10 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 16 LocationsWithAnnotation, 37 PreInvPairs, 45 NumberOfFragments, 99 HoareAnnotationTreeSize, 37 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 16 FomulaSimplificationsInter, 206 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 81 NumberOfCodeBlocks, 81 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 77 ConstructedInterpolants, 0 QuantifiedInterpolants, 5382 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 3/3 InterpolantCoveringCapability, 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...