/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/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-23 18:43:45,522 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-23 18:43:45,527 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-23 18:43:45,587 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-23 18:43:45,588 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-23 18:43:45,590 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-23 18:43:45,595 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-23 18:43:45,599 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-23 18:43:45,602 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-23 18:43:45,608 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-23 18:43:45,610 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-23 18:43:45,613 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-23 18:43:45,613 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-23 18:43:45,617 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-23 18:43:45,619 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-23 18:43:45,621 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-23 18:43:45,622 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-23 18:43:45,627 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-23 18:43:45,635 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-23 18:43:45,662 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-23 18:43:45,667 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-23 18:43:45,672 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-23 18:43:45,686 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-23 18:43:45,690 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-23 18:43:45,706 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-23 18:43:45,721 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-23 18:43:45,722 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-23 18:43:45,723 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-23 18:43:45,724 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 [2020-10-23 18:43:45,783 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-23 18:43:45,783 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-23 18:43:45,789 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-23 18:43:45,789 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-23 18:43:45,790 INFO L138 SettingsManager]: * Use SBE=true [2020-10-23 18:43:45,790 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-23 18:43:45,790 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-23 18:43:45,790 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-23 18:43:45,790 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-23 18:43:45,791 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-23 18:43:45,792 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-23 18:43:45,792 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-23 18:43:45,792 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-23 18:43:45,793 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-23 18:43:45,793 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-23 18:43:45,793 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-23 18:43:45,793 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-23 18:43:45,793 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-23 18:43:45,794 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-23 18:43:45,794 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-23 18:43:45,794 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-23 18:43:45,794 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 18:43:45,794 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-23 18:43:45,795 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-23 18:43:45,795 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-23 18:43:45,795 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-23 18:43:45,795 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-23 18:43:45,795 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-23 18:43:45,796 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-23 18:43:45,796 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-10-23 18:43:46,223 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-23 18:43:46,258 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-23 18:43:46,261 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-23 18:43:46,263 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-23 18:43:46,264 INFO L275 PluginConnector]: CDTParser initialized [2020-10-23 18:43:46,265 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c [2020-10-23 18:43:46,354 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a3cdc81e/8241d52d9e394732b29e56ddbeafd902/FLAG57302b29c [2020-10-23 18:43:47,021 INFO L306 CDTParser]: Found 1 translation units. [2020-10-23 18:43:47,022 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c [2020-10-23 18:43:47,034 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a3cdc81e/8241d52d9e394732b29e56ddbeafd902/FLAG57302b29c [2020-10-23 18:43:47,339 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a3cdc81e/8241d52d9e394732b29e56ddbeafd902 [2020-10-23 18:43:47,349 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-23 18:43:47,356 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-23 18:43:47,369 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-23 18:43:47,369 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-23 18:43:47,374 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-23 18:43:47,375 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 06:43:47" (1/1) ... [2020-10-23 18:43:47,378 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c4c0e65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:43:47, skipping insertion in model container [2020-10-23 18:43:47,379 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 06:43:47" (1/1) ... [2020-10-23 18:43:47,388 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-23 18:43:47,412 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-23 18:43:47,612 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 18:43:47,622 INFO L203 MainTranslator]: Completed pre-run [2020-10-23 18:43:47,652 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 18:43:47,670 INFO L208 MainTranslator]: Completed translation [2020-10-23 18:43:47,671 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:43:47 WrapperNode [2020-10-23 18:43:47,671 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-23 18:43:47,672 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-23 18:43:47,672 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-23 18:43:47,673 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-23 18:43:47,713 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:43:47" (1/1) ... [2020-10-23 18:43:47,713 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:43:47" (1/1) ... [2020-10-23 18:43:47,752 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:43:47" (1/1) ... [2020-10-23 18:43:47,752 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:43:47" (1/1) ... [2020-10-23 18:43:47,761 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:43:47" (1/1) ... [2020-10-23 18:43:47,765 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:43:47" (1/1) ... [2020-10-23 18:43:47,766 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:43:47" (1/1) ... [2020-10-23 18:43:47,773 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-23 18:43:47,774 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-23 18:43:47,775 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-23 18:43:47,775 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-23 18:43:47,776 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:43:47" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 18:43:47,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-23 18:43:47,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-23 18:43:47,859 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-23 18:43:47,860 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-23 18:43:47,860 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-23 18:43:47,860 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-23 18:43:47,861 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-23 18:43:47,861 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-23 18:43:47,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-23 18:43:47,861 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-23 18:43:47,862 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-10-23 18:43:47,862 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-23 18:43:47,862 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-23 18:43:47,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-23 18:43:47,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-23 18:43:47,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-23 18:43:47,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-23 18:43:47,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-23 18:43:47,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-23 18:43:48,460 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-23 18:43:48,461 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-23 18:43:48,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 06:43:48 BoogieIcfgContainer [2020-10-23 18:43:48,463 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-23 18:43:48,465 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-23 18:43:48,465 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-23 18:43:48,469 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-23 18:43:48,469 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 06:43:47" (1/3) ... [2020-10-23 18:43:48,470 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@753b59c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 06:43:48, skipping insertion in model container [2020-10-23 18:43:48,470 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:43:47" (2/3) ... [2020-10-23 18:43:48,471 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@753b59c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 06:43:48, skipping insertion in model container [2020-10-23 18:43:48,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 06:43:48" (3/3) ... [2020-10-23 18:43:48,473 INFO L111 eAbstractionObserver]: Analyzing ICFG simple_array_index_value_4.i.v+nlh-reducer.c [2020-10-23 18:43:48,485 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-23 18:43:48,491 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-23 18:43:48,506 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-23 18:43:48,538 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-23 18:43:48,538 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-23 18:43:48,539 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-23 18:43:48,539 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-23 18:43:48,539 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-23 18:43:48,539 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-23 18:43:48,539 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-23 18:43:48,540 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-23 18:43:48,561 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states. [2020-10-23 18:43:48,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-23 18:43:48,568 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:43:48,569 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:43:48,570 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:43:48,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:43:48,578 INFO L82 PathProgramCache]: Analyzing trace with hash -2090133726, now seen corresponding path program 1 times [2020-10-23 18:43:48,590 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:43:48,591 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545706667] [2020-10-23 18:43:48,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:43:48,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:43:48,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:43:48,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:43:49,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:43:49,008 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545706667] [2020-10-23 18:43:49,009 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:43:49,009 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-23 18:43:49,011 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556884682] [2020-10-23 18:43:49,017 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-23 18:43:49,017 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:43:49,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-23 18:43:49,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-23 18:43:49,042 INFO L87 Difference]: Start difference. First operand 40 states. Second operand 4 states. [2020-10-23 18:43:49,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:43:49,247 INFO L93 Difference]: Finished difference Result 56 states and 75 transitions. [2020-10-23 18:43:49,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-23 18:43:49,249 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2020-10-23 18:43:49,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:43:49,260 INFO L225 Difference]: With dead ends: 56 [2020-10-23 18:43:49,261 INFO L226 Difference]: Without dead ends: 32 [2020-10-23 18:43:49,265 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-23 18:43:49,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-10-23 18:43:49,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 30. [2020-10-23 18:43:49,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-10-23 18:43:49,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2020-10-23 18:43:49,316 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 14 [2020-10-23 18:43:49,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:43:49,316 INFO L481 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2020-10-23 18:43:49,317 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-23 18:43:49,317 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2020-10-23 18:43:49,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-23 18:43:49,318 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:43:49,318 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:43:49,318 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-23 18:43:49,319 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:43:49,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:43:49,320 INFO L82 PathProgramCache]: Analyzing trace with hash -1177654509, now seen corresponding path program 1 times [2020-10-23 18:43:49,320 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:43:49,321 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566800144] [2020-10-23 18:43:49,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:43:49,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:43:49,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:43:49,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:43:49,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:43:49,458 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566800144] [2020-10-23 18:43:49,458 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:43:49,458 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-23 18:43:49,459 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443109006] [2020-10-23 18:43:49,460 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-23 18:43:49,461 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:43:49,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-23 18:43:49,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-23 18:43:49,462 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand 5 states. [2020-10-23 18:43:49,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:43:49,615 INFO L93 Difference]: Finished difference Result 49 states and 61 transitions. [2020-10-23 18:43:49,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-23 18:43:49,616 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2020-10-23 18:43:49,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:43:49,618 INFO L225 Difference]: With dead ends: 49 [2020-10-23 18:43:49,618 INFO L226 Difference]: Without dead ends: 46 [2020-10-23 18:43:49,620 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-23 18:43:49,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-10-23 18:43:49,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 32. [2020-10-23 18:43:49,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-10-23 18:43:49,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2020-10-23 18:43:49,631 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 39 transitions. Word has length 15 [2020-10-23 18:43:49,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:43:49,632 INFO L481 AbstractCegarLoop]: Abstraction has 32 states and 39 transitions. [2020-10-23 18:43:49,632 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-23 18:43:49,632 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2020-10-23 18:43:49,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-23 18:43:49,633 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:43:49,633 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:43:49,633 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-23 18:43:49,634 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:43:49,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:43:49,634 INFO L82 PathProgramCache]: Analyzing trace with hash 797756910, now seen corresponding path program 1 times [2020-10-23 18:43:49,635 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:43:49,635 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74774892] [2020-10-23 18:43:49,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:43:49,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:43:49,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:43:49,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:43:49,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:43:49,737 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74774892] [2020-10-23 18:43:49,737 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:43:49,737 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-23 18:43:49,738 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613688373] [2020-10-23 18:43:49,738 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-23 18:43:49,738 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:43:49,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-23 18:43:49,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-23 18:43:49,740 INFO L87 Difference]: Start difference. First operand 32 states and 39 transitions. Second operand 4 states. [2020-10-23 18:43:49,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:43:49,878 INFO L93 Difference]: Finished difference Result 57 states and 70 transitions. [2020-10-23 18:43:49,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-23 18:43:49,879 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2020-10-23 18:43:49,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:43:49,880 INFO L225 Difference]: With dead ends: 57 [2020-10-23 18:43:49,881 INFO L226 Difference]: Without dead ends: 38 [2020-10-23 18:43:49,882 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-23 18:43:49,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2020-10-23 18:43:49,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 32. [2020-10-23 18:43:49,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-10-23 18:43:49,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 38 transitions. [2020-10-23 18:43:49,891 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 38 transitions. Word has length 15 [2020-10-23 18:43:49,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:43:49,892 INFO L481 AbstractCegarLoop]: Abstraction has 32 states and 38 transitions. [2020-10-23 18:43:49,892 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-23 18:43:49,892 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 38 transitions. [2020-10-23 18:43:49,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-23 18:43:49,893 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:43:49,893 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:43:49,893 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-23 18:43:49,893 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:43:49,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:43:49,894 INFO L82 PathProgramCache]: Analyzing trace with hash -374545533, now seen corresponding path program 1 times [2020-10-23 18:43:49,895 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:43:49,895 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289298747] [2020-10-23 18:43:49,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:43:49,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:43:49,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:43:49,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:43:49,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:43:49,997 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289298747] [2020-10-23 18:43:49,997 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:43:49,998 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-23 18:43:49,998 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936652284] [2020-10-23 18:43:49,998 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-23 18:43:49,999 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:43:49,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-23 18:43:50,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-23 18:43:50,000 INFO L87 Difference]: Start difference. First operand 32 states and 38 transitions. Second operand 4 states. [2020-10-23 18:43:50,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:43:50,145 INFO L93 Difference]: Finished difference Result 52 states and 63 transitions. [2020-10-23 18:43:50,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-23 18:43:50,146 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2020-10-23 18:43:50,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:43:50,147 INFO L225 Difference]: With dead ends: 52 [2020-10-23 18:43:50,147 INFO L226 Difference]: Without dead ends: 33 [2020-10-23 18:43:50,148 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-23 18:43:50,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-10-23 18:43:50,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 28. [2020-10-23 18:43:50,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-10-23 18:43:50,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 32 transitions. [2020-10-23 18:43:50,156 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 32 transitions. Word has length 16 [2020-10-23 18:43:50,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:43:50,156 INFO L481 AbstractCegarLoop]: Abstraction has 28 states and 32 transitions. [2020-10-23 18:43:50,157 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-23 18:43:50,157 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2020-10-23 18:43:50,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-23 18:43:50,158 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:43:50,158 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] [2020-10-23 18:43:50,158 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-23 18:43:50,159 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:43:50,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:43:50,160 INFO L82 PathProgramCache]: Analyzing trace with hash 1142004316, now seen corresponding path program 1 times [2020-10-23 18:43:50,160 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:43:50,161 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681821704] [2020-10-23 18:43:50,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:43:50,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:43:50,733 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 33 [2020-10-23 18:43:51,122 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 44 [2020-10-23 18:43:51,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:43:51,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:43:51,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:43:51,266 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681821704] [2020-10-23 18:43:51,267 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:43:51,267 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-23 18:43:51,267 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205176020] [2020-10-23 18:43:51,268 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-23 18:43:51,268 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:43:51,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-23 18:43:51,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-23 18:43:51,269 INFO L87 Difference]: Start difference. First operand 28 states and 32 transitions. Second operand 9 states. [2020-10-23 18:43:51,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:43:51,679 INFO L93 Difference]: Finished difference Result 44 states and 53 transitions. [2020-10-23 18:43:51,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-23 18:43:51,680 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2020-10-23 18:43:51,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:43:51,681 INFO L225 Difference]: With dead ends: 44 [2020-10-23 18:43:51,681 INFO L226 Difference]: Without dead ends: 29 [2020-10-23 18:43:51,682 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2020-10-23 18:43:51,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-10-23 18:43:51,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-10-23 18:43:51,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-10-23 18:43:51,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 31 transitions. [2020-10-23 18:43:51,689 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 31 transitions. Word has length 21 [2020-10-23 18:43:51,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:43:51,690 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 31 transitions. [2020-10-23 18:43:51,690 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-23 18:43:51,690 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2020-10-23 18:43:51,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-23 18:43:51,691 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:43:51,691 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:43:51,692 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-23 18:43:51,692 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:43:51,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:43:51,693 INFO L82 PathProgramCache]: Analyzing trace with hash -1984243831, now seen corresponding path program 1 times [2020-10-23 18:43:51,693 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:43:51,693 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453173103] [2020-10-23 18:43:51,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:43:51,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:43:51,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:43:51,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:43:51,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:43:51,808 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453173103] [2020-10-23 18:43:51,808 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:43:51,808 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-23 18:43:51,808 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326123766] [2020-10-23 18:43:51,809 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-23 18:43:51,809 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:43:51,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-23 18:43:51,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-23 18:43:51,810 INFO L87 Difference]: Start difference. First operand 29 states and 31 transitions. Second operand 7 states. [2020-10-23 18:43:51,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:43:51,969 INFO L93 Difference]: Finished difference Result 43 states and 46 transitions. [2020-10-23 18:43:51,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-23 18:43:51,970 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2020-10-23 18:43:51,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:43:51,971 INFO L225 Difference]: With dead ends: 43 [2020-10-23 18:43:51,971 INFO L226 Difference]: Without dead ends: 40 [2020-10-23 18:43:51,972 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-10-23 18:43:51,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2020-10-23 18:43:51,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 28. [2020-10-23 18:43:51,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-10-23 18:43:51,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 29 transitions. [2020-10-23 18:43:51,979 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 29 transitions. Word has length 22 [2020-10-23 18:43:51,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:43:51,979 INFO L481 AbstractCegarLoop]: Abstraction has 28 states and 29 transitions. [2020-10-23 18:43:51,979 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-23 18:43:51,979 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions. [2020-10-23 18:43:51,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-23 18:43:51,980 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:43:51,980 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:43:51,981 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-23 18:43:51,981 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:43:51,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:43:51,981 INFO L82 PathProgramCache]: Analyzing trace with hash -2043647070, now seen corresponding path program 1 times [2020-10-23 18:43:51,982 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:43:51,982 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380119648] [2020-10-23 18:43:51,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:43:52,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:43:52,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:43:52,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:43:52,191 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:43:52,192 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380119648] [2020-10-23 18:43:52,192 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [311706908] [2020-10-23 18:43:52,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:43:52,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:43:52,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 13 conjunts are in the unsatisfiable core [2020-10-23 18:43:52,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:43:53,651 INFO L721 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-10-23 18:43:53,975 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:43:53,976 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-23 18:43:53,976 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 11 [2020-10-23 18:43:53,977 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485261436] [2020-10-23 18:43:53,978 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-23 18:43:53,978 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:43:53,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-23 18:43:53,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2020-10-23 18:43:53,979 INFO L87 Difference]: Start difference. First operand 28 states and 29 transitions. Second operand 11 states. [2020-10-23 18:43:58,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:43:58,856 INFO L93 Difference]: Finished difference Result 31 states and 32 transitions. [2020-10-23 18:43:58,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-23 18:43:58,858 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 23 [2020-10-23 18:43:58,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:43:58,858 INFO L225 Difference]: With dead ends: 31 [2020-10-23 18:43:58,858 INFO L226 Difference]: Without dead ends: 0 [2020-10-23 18:43:58,859 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 19 SyntacticMatches, 3 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2020-10-23 18:43:58,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-23 18:43:58,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-23 18:43:58,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-23 18:43:58,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-23 18:43:58,860 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2020-10-23 18:43:58,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:43:58,861 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-23 18:43:58,861 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-23 18:43:58,861 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-23 18:43:58,861 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-23 18:43:59,062 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2020-10-23 18:43:59,065 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-23 18:44:07,639 WARN L193 SmtUtils]: Spent 8.42 s on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2020-10-23 18:44:07,838 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 29 [2020-10-23 18:44:08,141 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2020-10-23 18:44:08,184 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-23 18:44:08,184 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-23 18:44:08,184 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-23 18:44:08,185 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-23 18:44:08,185 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-23 18:44:08,185 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= ~__return_136~0 |old(~__return_136~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~__return_main~0 |old(~__return_main~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~__tmp_155_0~0 |old(~__tmp_155_0~0)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-23 18:44:08,185 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-23 18:44:08,186 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-23 18:44:08,186 INFO L277 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-23 18:44:08,186 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-23 18:44:08,186 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-23 18:44:08,186 INFO L274 CegarLoopResult]: For program point assume_abort_if_notENTRY(lines 6 8) no Hoare annotation was computed. [2020-10-23 18:44:08,186 INFO L274 CegarLoopResult]: For program point L7(line 7) no Hoare annotation was computed. [2020-10-23 18:44:08,186 INFO L274 CegarLoopResult]: For program point L7-2(lines 6 8) no Hoare annotation was computed. [2020-10-23 18:44:08,186 INFO L274 CegarLoopResult]: For program point assume_abort_if_notEXIT(lines 6 8) no Hoare annotation was computed. [2020-10-23 18:44:08,187 INFO L274 CegarLoopResult]: For program point L31(lines 31 147) no Hoare annotation was computed. [2020-10-23 18:44:08,187 INFO L274 CegarLoopResult]: For program point L60(lines 60 93) no Hoare annotation was computed. [2020-10-23 18:44:08,187 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 14 168) no Hoare annotation was computed. [2020-10-23 18:44:08,187 INFO L270 CegarLoopResult]: At program point L151(lines 29 152) the Hoare annotation is: false [2020-10-23 18:44:08,187 INFO L270 CegarLoopResult]: At program point L110(line 110) the Hoare annotation is: false [2020-10-23 18:44:08,187 INFO L274 CegarLoopResult]: For program point L110-1(line 110) no Hoare annotation was computed. [2020-10-23 18:44:08,187 INFO L270 CegarLoopResult]: At program point L73(line 73) the Hoare annotation is: false [2020-10-23 18:44:08,188 INFO L274 CegarLoopResult]: For program point L40(lines 40 139) no Hoare annotation was computed. [2020-10-23 18:44:08,188 INFO L274 CegarLoopResult]: For program point L73-1(line 73) no Hoare annotation was computed. [2020-10-23 18:44:08,188 INFO L277 CegarLoopResult]: At program point L131(lines 98 132) the Hoare annotation is: true [2020-10-23 18:44:08,188 INFO L270 CegarLoopResult]: At program point L156(lines 26 157) the Hoare annotation is: (or (and (let ((.cse0 (div main_~main__index2~0 4294967296)) (.cse1 (div main_~main__index1~0 4294967296))) (or (<= (+ main_~main__index1~0 (* 4294967296 .cse0)) (+ main_~main__index2~0 (* 4294967296 .cse1))) (let ((.cse6 (select |#memory_int| |main_~#main__array~0.base|))) (let ((.cse5 (select .cse6 (+ (* main_~main__index1~0 4) |main_~#main__array~0.offset| (* .cse1 (- 17179869184))))) (.cse3 (select .cse6 (+ (* main_~main__index2~0 4) |main_~#main__array~0.offset| (* .cse0 (- 17179869184)))))) (let ((.cse4 (+ .cse5 (* 4294967296 (div .cse3 4294967296)))) (.cse2 (* 4294967296 (div .cse5 4294967296)))) (and (<= (+ .cse2 .cse3) .cse4) (< .cse4 (+ .cse2 .cse3 1)))))))) (= main_~__VERIFIER_assert__cond~0 1) (<= main_~main__index1~0 (+ (* 4294967296 (div (+ (* main_~main__index2~0 (- 1)) (* (div (+ main_~main__index1~0 (- 1)) 4294967296) 4294967296) 99998) 4294967296)) main_~main__index2~0 1))) (= main_~main__loop_entered~0 0)) [2020-10-23 18:44:08,188 INFO L274 CegarLoopResult]: For program point L57(lines 57 133) no Hoare annotation was computed. [2020-10-23 18:44:08,189 INFO L274 CegarLoopResult]: For program point L24(lines 24 162) no Hoare annotation was computed. [2020-10-23 18:44:08,189 INFO L270 CegarLoopResult]: At program point L119(lines 99 128) the Hoare annotation is: (let ((.cse2 (div main_~main__index1~0 4294967296)) (.cse3 (= main_~__VERIFIER_assert__cond~0 1)) (.cse1 (* main_~main__index2~0 (- 1)))) (or (let ((.cse0 (+ main_~main__index1~0 1))) (and (not (= main_~__VERIFIER_assert__cond~2 0)) (<= .cse0 (+ main_~main__index2~0 (* 4294967296 (div (+ .cse1 (* .cse2 4294967296) 99999) 4294967296)))) .cse3 (< (mod (+ main_~main__index2~0 4294967295) 4294967296) (mod .cse0 4294967296)))) (and (let ((.cse4 (div main_~main__index2~0 4294967296))) (or (<= (+ main_~main__index1~0 (* 4294967296 .cse4)) (+ main_~main__index2~0 (* 4294967296 .cse2))) (let ((.cse9 (select |#memory_int| |main_~#main__array~0.base|))) (let ((.cse8 (select .cse9 (+ (* main_~main__index1~0 4) |main_~#main__array~0.offset| (* .cse2 (- 17179869184))))) (.cse6 (select .cse9 (+ (* main_~main__index2~0 4) |main_~#main__array~0.offset| (* .cse4 (- 17179869184)))))) (let ((.cse7 (+ .cse8 (* 4294967296 (div .cse6 4294967296)))) (.cse5 (* 4294967296 (div .cse8 4294967296)))) (and (<= (+ .cse5 .cse6) .cse7) (< .cse7 (+ .cse5 .cse6 1)))))))) .cse3 (<= main_~main__index1~0 (+ (* 4294967296 (div (+ .cse1 (* (div (+ main_~main__index1~0 (- 1)) 4294967296) 4294967296) 99998) 4294967296)) main_~main__index2~0 1))))) [2020-10-23 18:44:08,189 INFO L274 CegarLoopResult]: For program point L62(lines 62 88) no Hoare annotation was computed. [2020-10-23 18:44:08,189 INFO L274 CegarLoopResult]: For program point L29(lines 29 152) no Hoare annotation was computed. [2020-10-23 18:44:08,190 INFO L270 CegarLoopResult]: At program point L87(lines 62 88) the Hoare annotation is: (and (not (= main_~main____CPAchecker_TMP_0~1 0)) (= main_~__VERIFIER_assert__cond~0 1) (<= main_~main__index1~0 (+ (* 4294967296 (div (+ (* main_~main__index2~0 (- 1)) (* (div (+ main_~main__index1~0 (- 1)) 4294967296) 4294967296) 99998) 4294967296)) main_~main__index2~0 1)) (<= (+ main_~main__index1~0 (* 4294967296 (div main_~main__index2~0 4294967296)) 1) (+ main_~main__index2~0 (* 4294967296 (div main_~main__index1~0 4294967296))))) [2020-10-23 18:44:08,190 INFO L274 CegarLoopResult]: For program point L21(lines 21 167) no Hoare annotation was computed. [2020-10-23 18:44:08,190 INFO L274 CegarLoopResult]: For program point L50(lines 50 138) no Hoare annotation was computed. [2020-10-23 18:44:08,190 INFO L270 CegarLoopResult]: At program point L79(lines 46 139) the Hoare annotation is: (let ((.cse2 (* 4294967296 (div main_~main__index2~0 4294967296)))) (and (let ((.cse0 (<= main_~main__index2~0 (+ .cse2 99999))) (.cse1 (= main_~__VERIFIER_assert__cond~0 1))) (or (and (not (= main_~main____CPAchecker_TMP_0~1 0)) .cse0 .cse1 (not (= main_~__VERIFIER_assert__cond~1 0))) (and .cse0 .cse1 (= main_~main____CPAchecker_TMP_0~0 1)))) (<= (+ main_~main__index1~0 .cse2 1) (+ main_~main__index2~0 (* 4294967296 (div main_~main__index1~0 4294967296)))))) [2020-10-23 18:44:08,190 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 14 168) no Hoare annotation was computed. [2020-10-23 18:44:08,191 INFO L274 CegarLoopResult]: For program point L108(lines 108 120) no Hoare annotation was computed. [2020-10-23 18:44:08,191 INFO L270 CegarLoopResult]: At program point L42(line 42) the Hoare annotation is: false [2020-10-23 18:44:08,191 INFO L274 CegarLoopResult]: For program point L42-1(line 42) no Hoare annotation was computed. [2020-10-23 18:44:08,191 INFO L274 CegarLoopResult]: For program point L71(lines 71 80) no Hoare annotation was computed. [2020-10-23 18:44:08,191 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 14 168) the Hoare annotation is: (and (= |old(#length)| |#length|) (= ~__tmp_155_0~0 |old(~__tmp_155_0~0)|) (= |old(#valid)| |#valid|)) [2020-10-23 18:44:08,191 INFO L270 CegarLoopResult]: At program point L92(lines 60 93) the Hoare annotation is: false [2020-10-23 18:44:08,191 INFO L274 CegarLoopResult]: For program point L26(lines 26 157) no Hoare annotation was computed. [2020-10-23 18:44:08,192 INFO L270 CegarLoopResult]: At program point L146(lines 31 147) the Hoare annotation is: (let ((.cse0 (* 4294967296 (div main_~main__index2~0 4294967296)))) (and (<= main_~main__index2~0 (+ .cse0 99999)) (= main_~main__loop_entered~0 0) (= main_~main____CPAchecker_TMP_0~0 1) (<= (+ main_~main__index1~0 .cse0 1) (+ main_~main__index2~0 (* 4294967296 (div main_~main__index1~0 4294967296)))))) [2020-10-23 18:44:08,205 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-23 18:44:08,206 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-23 18:44:08,206 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-23 18:44:08,207 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-23 18:44:08,207 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-23 18:44:08,207 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-23 18:44:08,207 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-23 18:44:08,208 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-23 18:44:08,216 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-23 18:44:08,216 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-23 18:44:08,216 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-23 18:44:08,217 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-23 18:44:08,217 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-23 18:44:08,217 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-23 18:44:08,217 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-23 18:44:08,218 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-23 18:44:08,220 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-23 18:44:08,221 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-23 18:44:08,221 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-23 18:44:08,221 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-23 18:44:08,221 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-23 18:44:08,222 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-23 18:44:08,222 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-23 18:44:08,222 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-23 18:44:08,223 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-23 18:44:08,224 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-23 18:44:08,224 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-23 18:44:08,224 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-23 18:44:08,224 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-23 18:44:08,225 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-23 18:44:08,225 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-23 18:44:08,225 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-23 18:44:08,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 06:44:08 BoogieIcfgContainer [2020-10-23 18:44:08,235 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-23 18:44:08,237 INFO L168 Benchmark]: Toolchain (without parser) took 20885.37 ms. Allocated memory was 156.2 MB in the beginning and 225.4 MB in the end (delta: 69.2 MB). Free memory was 112.0 MB in the beginning and 135.8 MB in the end (delta: -23.8 MB). Peak memory consumption was 46.5 MB. Max. memory is 8.0 GB. [2020-10-23 18:44:08,238 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 156.2 MB. Free memory was 128.4 MB in the beginning and 128.3 MB in the end (delta: 102.2 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-23 18:44:08,239 INFO L168 Benchmark]: CACSL2BoogieTranslator took 302.43 ms. Allocated memory is still 156.2 MB. Free memory was 139.8 MB in the beginning and 129.5 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2020-10-23 18:44:08,240 INFO L168 Benchmark]: Boogie Preprocessor took 101.33 ms. Allocated memory is still 156.2 MB. Free memory was 129.5 MB in the beginning and 138.2 MB in the end (delta: -8.7 MB). Peak memory consumption was 2.5 MB. Max. memory is 8.0 GB. [2020-10-23 18:44:08,243 INFO L168 Benchmark]: RCFGBuilder took 688.53 ms. Allocated memory is still 156.2 MB. Free memory was 138.2 MB in the beginning and 119.0 MB in the end (delta: 19.2 MB). Peak memory consumption was 18.9 MB. Max. memory is 8.0 GB. [2020-10-23 18:44:08,244 INFO L168 Benchmark]: TraceAbstraction took 19770.86 ms. Allocated memory was 156.2 MB in the beginning and 225.4 MB in the end (delta: 69.2 MB). Free memory was 118.3 MB in the beginning and 135.8 MB in the end (delta: -17.5 MB). Peak memory consumption was 53.0 MB. Max. memory is 8.0 GB. [2020-10-23 18:44:08,253 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 156.2 MB. Free memory was 128.4 MB in the beginning and 128.3 MB in the end (delta: 102.2 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 302.43 ms. Allocated memory is still 156.2 MB. Free memory was 139.8 MB in the beginning and 129.5 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 101.33 ms. Allocated memory is still 156.2 MB. Free memory was 129.5 MB in the beginning and 138.2 MB in the end (delta: -8.7 MB). Peak memory consumption was 2.5 MB. Max. memory is 8.0 GB. * RCFGBuilder took 688.53 ms. Allocated memory is still 156.2 MB. Free memory was 138.2 MB in the beginning and 119.0 MB in the end (delta: 19.2 MB). Peak memory consumption was 18.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 19770.86 ms. Allocated memory was 156.2 MB in the beginning and 225.4 MB in the end (delta: 69.2 MB). Free memory was 118.3 MB in the beginning and 135.8 MB in the end (delta: -17.5 MB). Peak memory consumption was 53.0 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: 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: 26]: Loop Invariant [2020-10-23 18:44:08,266 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-23 18:44:08,267 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-23 18:44:08,267 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-23 18:44:08,267 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-23 18:44:08,267 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-23 18:44:08,267 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-23 18:44:08,268 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-23 18:44:08,268 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-23 18:44:08,269 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-23 18:44:08,269 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-23 18:44:08,269 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-23 18:44:08,270 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-23 18:44:08,270 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-23 18:44:08,270 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-23 18:44:08,270 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-23 18:44:08,270 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: (((main__index1 + 4294967296 * (main__index2 / 4294967296) <= main__index2 + 4294967296 * (main__index1 / 4294967296) || (4294967296 * (unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184] / 4294967296) + unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184] <= unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184] + 4294967296 * (unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184] / 4294967296) && unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184] + 4294967296 * (unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184] / 4294967296) < 4294967296 * (unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184] / 4294967296) + unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184] + 1)) && __VERIFIER_assert__cond == 1) && main__index1 <= 4294967296 * ((main__index2 * -1 + (main__index1 + -1) / 4294967296 * 4294967296 + 99998) / 4294967296) + main__index2 + 1) || main__loop_entered == 0 - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 99]: Loop Invariant [2020-10-23 18:44:08,272 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-23 18:44:08,272 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-23 18:44:08,272 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-23 18:44:08,272 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-23 18:44:08,273 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-23 18:44:08,273 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-23 18:44:08,273 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-23 18:44:08,273 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-23 18:44:08,274 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-23 18:44:08,275 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-23 18:44:08,275 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-23 18:44:08,275 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-23 18:44:08,275 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-23 18:44:08,275 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-23 18:44:08,276 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-23 18:44:08,276 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: (((!(__VERIFIER_assert__cond == 0) && main__index1 + 1 <= main__index2 + 4294967296 * ((main__index2 * -1 + main__index1 / 4294967296 * 4294967296 + 99999) / 4294967296)) && __VERIFIER_assert__cond == 1) && (main__index2 + 4294967295) % 4294967296 < (main__index1 + 1) % 4294967296) || (((main__index1 + 4294967296 * (main__index2 / 4294967296) <= main__index2 + 4294967296 * (main__index1 / 4294967296) || (4294967296 * (unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184] / 4294967296) + unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184] <= unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184] + 4294967296 * (unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184] / 4294967296) && unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184] + 4294967296 * (unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184] / 4294967296) < 4294967296 * (unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__array + main__index1 / 4294967296 * -17179869184] / 4294967296) + unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__array + main__index2 / 4294967296 * -17179869184] + 1)) && __VERIFIER_assert__cond == 1) && main__index1 <= 4294967296 * ((main__index2 * -1 + (main__index1 + -1) / 4294967296 * 4294967296 + 99998) / 4294967296) + main__index2 + 1) - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: ((!(main____CPAchecker_TMP_0 == 0) && __VERIFIER_assert__cond == 1) && main__index1 <= 4294967296 * ((main__index2 * -1 + (main__index1 + -1) / 4294967296 * 4294967296 + 99998) / 4294967296) + main__index2 + 1) && main__index1 + 4294967296 * (main__index2 / 4294967296) + 1 <= main__index2 + 4294967296 * (main__index1 / 4294967296) - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: ((main__index2 <= 4294967296 * (main__index2 / 4294967296) + 99999 && main__loop_entered == 0) && main____CPAchecker_TMP_0 == 1) && main__index1 + 4294967296 * (main__index2 / 4294967296) + 1 <= main__index2 + 4294967296 * (main__index1 / 4294967296) - InvariantResult [Line: 98]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: ((((!(main____CPAchecker_TMP_0 == 0) && main__index2 <= 4294967296 * (main__index2 / 4294967296) + 99999) && __VERIFIER_assert__cond == 1) && !(__VERIFIER_assert__cond == 0)) || ((main__index2 <= 4294967296 * (main__index2 / 4294967296) + 99999 && __VERIFIER_assert__cond == 1) && main____CPAchecker_TMP_0 == 1)) && main__index1 + 4294967296 * (main__index2 / 4294967296) + 1 <= main__index2 + 4294967296 * (main__index1 / 4294967296) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 44 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.5s, OverallIterations: 7, TraceHistogramMax: 2, AutomataDifference: 6.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 194 SDtfs, 185 SDslu, 267 SDs, 0 SdLazy, 394 SolverSat, 41 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 5.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 82 GetRequests, 40 SyntacticMatches, 4 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred 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, 7 MinimizatonAttempts, 39 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 16 LocationsWithAnnotation, 27 PreInvPairs, 37 NumberOfFragments, 589 HoareAnnotationTreeSize, 27 FomulaSimplifications, 514 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 16 FomulaSimplificationsInter, 161 FormulaSimplificationTreeSizeReductionInter, 8.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 149 NumberOfCodeBlocks, 149 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 141 ConstructedInterpolants, 0 QuantifiedInterpolants, 34514 SizeOfPredicates, 2 NumberOfNonLiveVariables, 170 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 8 InterpolantComputations, 6 PerfectInterpolantSequences, 2/4 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...