/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/loops/lu.cmp.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-06 22:45:00,463 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-06 22:45:00,466 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-06 22:45:00,520 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-06 22:45:00,520 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-06 22:45:00,524 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-06 22:45:00,528 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-06 22:45:00,536 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-06 22:45:00,539 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-06 22:45:00,545 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-06 22:45:00,546 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-06 22:45:00,548 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-06 22:45:00,548 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-06 22:45:00,551 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-06 22:45:00,553 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-06 22:45:00,555 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-06 22:45:00,556 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-06 22:45:00,559 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-06 22:45:00,566 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-06 22:45:00,574 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-06 22:45:00,575 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-06 22:45:00,577 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-06 22:45:00,578 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-06 22:45:00,581 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-06 22:45:00,589 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-11-06 22:45:00,600 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-06 22:45:00,601 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-06 22:45:00,602 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-06 22:45:00,603 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 22:45:00,654 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-06 22:45:00,655 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-06 22:45:00,658 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-06 22:45:00,658 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-06 22:45:00,659 INFO L138 SettingsManager]: * Use SBE=true [2020-11-06 22:45:00,659 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-06 22:45:00,659 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-06 22:45:00,659 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-06 22:45:00,659 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-06 22:45:00,660 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-06 22:45:00,661 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-06 22:45:00,661 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-06 22:45:00,661 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-06 22:45:00,661 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-06 22:45:00,662 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-06 22:45:00,662 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-06 22:45:00,662 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-06 22:45:00,662 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-06 22:45:00,662 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-06 22:45:00,663 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-06 22:45:00,663 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-06 22:45:00,663 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-06 22:45:00,663 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-06 22:45:00,664 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-06 22:45:00,664 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-06 22:45:00,664 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-06 22:45:00,664 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-06 22:45:00,664 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-06 22:45:00,665 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-06 22:45:00,665 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-06 22:45:01,063 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-06 22:45:01,098 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-06 22:45:01,102 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-06 22:45:01,103 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-06 22:45:01,104 INFO L275 PluginConnector]: CDTParser initialized [2020-11-06 22:45:01,105 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/lu.cmp.c [2020-11-06 22:45:01,186 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5f2e2aac/bd7f1f86870c4c95bbde32dba6ac2dc0/FLAGf6cf294cf [2020-11-06 22:45:01,718 INFO L306 CDTParser]: Found 1 translation units. [2020-11-06 22:45:01,719 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/lu.cmp.c [2020-11-06 22:45:01,734 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5f2e2aac/bd7f1f86870c4c95bbde32dba6ac2dc0/FLAGf6cf294cf [2020-11-06 22:45:02,109 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5f2e2aac/bd7f1f86870c4c95bbde32dba6ac2dc0 [2020-11-06 22:45:02,112 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-06 22:45:02,120 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-06 22:45:02,125 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-06 22:45:02,125 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-06 22:45:02,129 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-06 22:45:02,130 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:45:02" (1/1) ... [2020-11-06 22:45:02,135 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46e23019 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:02, skipping insertion in model container [2020-11-06 22:45:02,135 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:45:02" (1/1) ... [2020-11-06 22:45:02,144 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-06 22:45:02,186 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-06 22:45:02,417 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 22:45:02,429 INFO L203 MainTranslator]: Completed pre-run [2020-11-06 22:45:02,478 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 22:45:02,498 INFO L208 MainTranslator]: Completed translation [2020-11-06 22:45:02,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:02 WrapperNode [2020-11-06 22:45:02,499 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-06 22:45:02,500 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-06 22:45:02,500 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-06 22:45:02,501 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-06 22:45:02,515 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:02" (1/1) ... [2020-11-06 22:45:02,515 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:02" (1/1) ... [2020-11-06 22:45:02,527 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:02" (1/1) ... [2020-11-06 22:45:02,528 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:02" (1/1) ... [2020-11-06 22:45:02,545 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:02" (1/1) ... [2020-11-06 22:45:02,553 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:02" (1/1) ... [2020-11-06 22:45:02,557 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:02" (1/1) ... [2020-11-06 22:45:02,561 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-06 22:45:02,562 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-06 22:45:02,562 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-06 22:45:02,563 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-06 22:45:02,563 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:02" (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 22:45:02,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-06 22:45:02,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-06 22:45:02,648 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-06 22:45:02,648 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-11-06 22:45:02,648 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs [2020-11-06 22:45:02,649 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-06 22:45:02,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ludcmp [2020-11-06 22:45:02,649 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-06 22:45:02,649 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-06 22:45:02,650 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-06 22:45:02,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-06 22:45:02,650 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-11-06 22:45:02,650 INFO L130 BoogieDeclarations]: Found specification of procedure ludcmp [2020-11-06 22:45:02,651 INFO L130 BoogieDeclarations]: Found specification of procedure fabs [2020-11-06 22:45:02,651 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-06 22:45:02,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-11-06 22:45:02,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-11-06 22:45:02,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-06 22:45:02,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-06 22:45:02,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-06 22:45:02,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-06 22:45:02,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-06 22:45:02,653 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-06 22:45:03,289 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-06 22:45:03,289 INFO L298 CfgBuilder]: Removed 11 assume(true) statements. [2020-11-06 22:45:03,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:45:03 BoogieIcfgContainer [2020-11-06 22:45:03,291 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-06 22:45:03,293 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-06 22:45:03,293 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-06 22:45:03,297 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-06 22:45:03,297 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:45:02" (1/3) ... [2020-11-06 22:45:03,298 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ece5e6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:45:03, skipping insertion in model container [2020-11-06 22:45:03,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:02" (2/3) ... [2020-11-06 22:45:03,298 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ece5e6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:45:03, skipping insertion in model container [2020-11-06 22:45:03,299 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:45:03" (3/3) ... [2020-11-06 22:45:03,300 INFO L111 eAbstractionObserver]: Analyzing ICFG lu.cmp.c [2020-11-06 22:45:03,315 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-06 22:45:03,319 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-06 22:45:03,331 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-06 22:45:03,355 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-06 22:45:03,356 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-06 22:45:03,356 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-06 22:45:03,356 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-06 22:45:03,356 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-06 22:45:03,356 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-06 22:45:03,357 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-06 22:45:03,357 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-06 22:45:03,375 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states. [2020-11-06 22:45:03,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-06 22:45:03,380 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:45:03,381 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:45:03,381 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:45:03,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:45:03,387 INFO L82 PathProgramCache]: Analyzing trace with hash 636154150, now seen corresponding path program 1 times [2020-11-06 22:45:03,397 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:45:03,398 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995902951] [2020-11-06 22:45:03,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:45:03,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:45:03,687 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-11-06 22:45:03,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:45:03,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:45:03,731 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 22:45:03,732 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995902951] [2020-11-06 22:45:03,733 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:45:03,735 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-06 22:45:03,737 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741906131] [2020-11-06 22:45:03,741 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-06 22:45:03,742 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:45:03,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-06 22:45:03,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-06 22:45:03,756 INFO L87 Difference]: Start difference. First operand 68 states. Second operand 3 states. [2020-11-06 22:45:04,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:45:04,076 INFO L93 Difference]: Finished difference Result 132 states and 197 transitions. [2020-11-06 22:45:04,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-06 22:45:04,078 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-11-06 22:45:04,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:45:04,087 INFO L225 Difference]: With dead ends: 132 [2020-11-06 22:45:04,088 INFO L226 Difference]: Without dead ends: 25 [2020-11-06 22:45:04,092 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-06 22:45:04,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2020-11-06 22:45:04,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 21. [2020-11-06 22:45:04,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-11-06 22:45:04,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 23 transitions. [2020-11-06 22:45:04,154 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 23 transitions. Word has length 13 [2020-11-06 22:45:04,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:45:04,155 INFO L481 AbstractCegarLoop]: Abstraction has 21 states and 23 transitions. [2020-11-06 22:45:04,155 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-06 22:45:04,155 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2020-11-06 22:45:04,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-06 22:45:04,156 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:45:04,156 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:45:04,156 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-06 22:45:04,157 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:45:04,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:45:04,158 INFO L82 PathProgramCache]: Analyzing trace with hash 263975187, now seen corresponding path program 1 times [2020-11-06 22:45:04,158 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:45:04,158 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446450839] [2020-11-06 22:45:04,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:45:04,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:45:04,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:45:04,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:45:04,501 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 22:45:04,502 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446450839] [2020-11-06 22:45:04,502 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:45:04,503 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-06 22:45:04,503 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085418300] [2020-11-06 22:45:04,504 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-06 22:45:04,504 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:45:04,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-06 22:45:04,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-06 22:45:04,506 INFO L87 Difference]: Start difference. First operand 21 states and 23 transitions. Second operand 5 states. [2020-11-06 22:45:04,756 WARN L194 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2020-11-06 22:45:04,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:45:04,864 INFO L93 Difference]: Finished difference Result 42 states and 49 transitions. [2020-11-06 22:45:04,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-06 22:45:04,866 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-11-06 22:45:04,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:45:04,867 INFO L225 Difference]: With dead ends: 42 [2020-11-06 22:45:04,868 INFO L226 Difference]: Without dead ends: 27 [2020-11-06 22:45:04,870 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-11-06 22:45:04,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-11-06 22:45:04,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 22. [2020-11-06 22:45:04,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2020-11-06 22:45:04,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 24 transitions. [2020-11-06 22:45:04,886 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 24 transitions. Word has length 13 [2020-11-06 22:45:04,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:45:04,887 INFO L481 AbstractCegarLoop]: Abstraction has 22 states and 24 transitions. [2020-11-06 22:45:04,887 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-06 22:45:04,887 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2020-11-06 22:45:04,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-06 22:45:04,888 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:45:04,888 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:45:04,890 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-06 22:45:04,891 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:45:04,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:45:04,891 INFO L82 PathProgramCache]: Analyzing trace with hash -1988851656, now seen corresponding path program 1 times [2020-11-06 22:45:04,892 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:45:04,892 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53812119] [2020-11-06 22:45:04,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:45:04,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:45:05,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:45:05,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:45:05,122 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 22:45:05,122 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53812119] [2020-11-06 22:45:05,122 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:45:05,123 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-06 22:45:05,123 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641431919] [2020-11-06 22:45:05,123 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-06 22:45:05,124 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:45:05,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-06 22:45:05,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-06 22:45:05,125 INFO L87 Difference]: Start difference. First operand 22 states and 24 transitions. Second operand 6 states. [2020-11-06 22:45:05,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:45:05,516 INFO L93 Difference]: Finished difference Result 38 states and 42 transitions. [2020-11-06 22:45:05,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-06 22:45:05,516 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2020-11-06 22:45:05,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:45:05,517 INFO L225 Difference]: With dead ends: 38 [2020-11-06 22:45:05,518 INFO L226 Difference]: Without dead ends: 35 [2020-11-06 22:45:05,519 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2020-11-06 22:45:05,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-11-06 22:45:05,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 33. [2020-11-06 22:45:05,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-11-06 22:45:05,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 37 transitions. [2020-11-06 22:45:05,541 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 37 transitions. Word has length 17 [2020-11-06 22:45:05,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:45:05,541 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 37 transitions. [2020-11-06 22:45:05,541 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-06 22:45:05,542 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 37 transitions. [2020-11-06 22:45:05,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-06 22:45:05,545 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:45:05,546 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:45:05,547 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-06 22:45:05,547 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:45:05,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:45:05,548 INFO L82 PathProgramCache]: Analyzing trace with hash 1426298141, now seen corresponding path program 1 times [2020-11-06 22:45:05,548 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:45:05,548 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835303909] [2020-11-06 22:45:05,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:45:05,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:45:05,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:45:05,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:45:05,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 22:45:05,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:45:05,854 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-06 22:45:05,854 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835303909] [2020-11-06 22:45:05,854 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1010021950] [2020-11-06 22:45:05,855 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 [2020-11-06 22:45:05,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:45:05,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-06 22:45:05,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:45:06,075 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-06 22:45:06,075 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-06 22:45:06,076 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-11-06 22:45:06,076 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959656655] [2020-11-06 22:45:06,076 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-06 22:45:06,077 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:45:06,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-06 22:45:06,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-11-06 22:45:06,078 INFO L87 Difference]: Start difference. First operand 33 states and 37 transitions. Second operand 10 states. [2020-11-06 22:45:06,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:45:06,702 INFO L93 Difference]: Finished difference Result 90 states and 108 transitions. [2020-11-06 22:45:06,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-11-06 22:45:06,702 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 30 [2020-11-06 22:45:06,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:45:06,707 INFO L225 Difference]: With dead ends: 90 [2020-11-06 22:45:06,707 INFO L226 Difference]: Without dead ends: 69 [2020-11-06 22:45:06,709 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=104, Invalid=316, Unknown=0, NotChecked=0, Total=420 [2020-11-06 22:45:06,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2020-11-06 22:45:06,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 59. [2020-11-06 22:45:06,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-11-06 22:45:06,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 69 transitions. [2020-11-06 22:45:06,739 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 69 transitions. Word has length 30 [2020-11-06 22:45:06,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:45:06,740 INFO L481 AbstractCegarLoop]: Abstraction has 59 states and 69 transitions. [2020-11-06 22:45:06,740 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-06 22:45:06,740 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 69 transitions. [2020-11-06 22:45:06,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-11-06 22:45:06,742 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:45:06,745 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:45:06,959 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:45:06,960 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:45:06,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:45:06,963 INFO L82 PathProgramCache]: Analyzing trace with hash 1132206435, now seen corresponding path program 1 times [2020-11-06 22:45:06,964 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:45:06,964 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263570774] [2020-11-06 22:45:06,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:45:07,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:45:07,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:45:07,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:45:07,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-11-06 22:45:07,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:45:07,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-11-06 22:45:07,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:45:07,156 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 44 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2020-11-06 22:45:07,157 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263570774] [2020-11-06 22:45:07,157 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1740386102] [2020-11-06 22:45:07,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:45:07,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:45:07,260 INFO L263 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-06 22:45:07,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:45:07,351 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 44 proven. 6 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2020-11-06 22:45:07,351 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-06 22:45:07,352 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 11 [2020-11-06 22:45:07,352 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967067403] [2020-11-06 22:45:07,353 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-06 22:45:07,353 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:45:07,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-06 22:45:07,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-11-06 22:45:07,354 INFO L87 Difference]: Start difference. First operand 59 states and 69 transitions. Second operand 11 states. [2020-11-06 22:45:07,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:45:07,826 INFO L93 Difference]: Finished difference Result 127 states and 153 transitions. [2020-11-06 22:45:07,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-11-06 22:45:07,827 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 55 [2020-11-06 22:45:07,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:45:07,827 INFO L225 Difference]: With dead ends: 127 [2020-11-06 22:45:07,827 INFO L226 Difference]: Without dead ends: 0 [2020-11-06 22:45:07,831 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=98, Invalid=282, Unknown=0, NotChecked=0, Total=380 [2020-11-06 22:45:07,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-06 22:45:07,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-06 22:45:07,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-06 22:45:07,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-06 22:45:07,832 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 55 [2020-11-06 22:45:07,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:45:07,833 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-06 22:45:07,833 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-06 22:45:07,833 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-06 22:45:07,833 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-06 22:45:08,047 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:45:08,052 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-06 22:45:08,334 INFO L266 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-11-06 22:45:08,335 INFO L269 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-11-06 22:45:08,335 INFO L266 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-11-06 22:45:08,335 INFO L266 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-06 22:45:08,335 INFO L266 CegarLoopResult]: For program point L118-2(lines 118 136) no Hoare annotation was computed. [2020-11-06 22:45:08,336 INFO L269 CegarLoopResult]: At program point L118-3(lines 118 136) the Hoare annotation is: true [2020-11-06 22:45:08,336 INFO L266 CegarLoopResult]: For program point L118-4(lines 118 136) no Hoare annotation was computed. [2020-11-06 22:45:08,336 INFO L269 CegarLoopResult]: At program point L120(line 120) the Hoare annotation is: true [2020-11-06 22:45:08,336 INFO L266 CegarLoopResult]: For program point L120-1(line 120) no Hoare annotation was computed. [2020-11-06 22:45:08,336 INFO L266 CegarLoopResult]: For program point ludcmpEXIT(lines 111 155) no Hoare annotation was computed. [2020-11-06 22:45:08,336 INFO L262 CegarLoopResult]: At program point ludcmpENTRY(lines 111 155) the Hoare annotation is: (and (= |old(#memory_real)| |#memory_real|) (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2020-11-06 22:45:08,337 INFO L266 CegarLoopResult]: For program point L129-2(lines 129 135) no Hoare annotation was computed. [2020-11-06 22:45:08,337 INFO L269 CegarLoopResult]: At program point L129-3(lines 129 135) the Hoare annotation is: true [2020-11-06 22:45:08,337 INFO L266 CegarLoopResult]: For program point L121-2(lines 121 128) no Hoare annotation was computed. [2020-11-06 22:45:08,342 INFO L269 CegarLoopResult]: At program point L121-3(lines 121 128) the Hoare annotation is: true [2020-11-06 22:45:08,342 INFO L266 CegarLoopResult]: For program point L121-4(lines 121 128) no Hoare annotation was computed. [2020-11-06 22:45:08,342 INFO L266 CegarLoopResult]: For program point L146-2(lines 146 152) no Hoare annotation was computed. [2020-11-06 22:45:08,343 INFO L269 CegarLoopResult]: At program point L146-3(lines 146 152) the Hoare annotation is: true [2020-11-06 22:45:08,343 INFO L266 CegarLoopResult]: For program point L146-4(lines 146 152) no Hoare annotation was computed. [2020-11-06 22:45:08,343 INFO L266 CegarLoopResult]: For program point ludcmpFINAL(lines 111 155) no Hoare annotation was computed. [2020-11-06 22:45:08,343 INFO L266 CegarLoopResult]: For program point L138-2(lines 138 144) no Hoare annotation was computed. [2020-11-06 22:45:08,343 INFO L269 CegarLoopResult]: At program point L138-3(lines 138 144) the Hoare annotation is: true [2020-11-06 22:45:08,343 INFO L266 CegarLoopResult]: For program point L138-4(lines 138 144) no Hoare annotation was computed. [2020-11-06 22:45:08,343 INFO L266 CegarLoopResult]: For program point L132-2(lines 132 133) no Hoare annotation was computed. [2020-11-06 22:45:08,344 INFO L269 CegarLoopResult]: At program point L132-3(lines 132 133) the Hoare annotation is: true [2020-11-06 22:45:08,344 INFO L266 CegarLoopResult]: For program point L132-4(lines 132 133) no Hoare annotation was computed. [2020-11-06 22:45:08,344 INFO L266 CegarLoopResult]: For program point L124(lines 124 126) no Hoare annotation was computed. [2020-11-06 22:45:08,344 INFO L266 CegarLoopResult]: For program point L124-1(lines 124 126) no Hoare annotation was computed. [2020-11-06 22:45:08,344 INFO L266 CegarLoopResult]: For program point L149-2(lines 149 150) no Hoare annotation was computed. [2020-11-06 22:45:08,344 INFO L269 CegarLoopResult]: At program point L149-3(lines 149 150) the Hoare annotation is: true [2020-11-06 22:45:08,344 INFO L266 CegarLoopResult]: For program point L149-4(lines 149 150) no Hoare annotation was computed. [2020-11-06 22:45:08,344 INFO L266 CegarLoopResult]: For program point L141-2(lines 141 142) no Hoare annotation was computed. [2020-11-06 22:45:08,344 INFO L269 CegarLoopResult]: At program point L141-3(lines 141 142) the Hoare annotation is: true [2020-11-06 22:45:08,345 INFO L266 CegarLoopResult]: For program point L141-4(lines 141 142) no Hoare annotation was computed. [2020-11-06 22:45:08,345 INFO L266 CegarLoopResult]: For program point L125-2(lines 125 126) no Hoare annotation was computed. [2020-11-06 22:45:08,345 INFO L269 CegarLoopResult]: At program point L125-3(lines 125 126) the Hoare annotation is: true [2020-11-06 22:45:08,346 INFO L266 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-11-06 22:45:08,346 INFO L266 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-11-06 22:45:08,346 INFO L262 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)|) (= |~#a~0.offset| |old(~#a~0.offset)|) (= |~#b~0.base| |old(~#b~0.base)|) (= |~#x~0.base| |old(~#x~0.base)|) (= |~#a~0.base| |old(~#a~0.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= |~#x~0.offset| |old(~#x~0.offset)|) (= |old(#memory_real)| |#memory_real|) (= |~#b~0.offset| |old(~#b~0.offset)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-11-06 22:45:08,346 INFO L266 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-11-06 22:45:08,346 INFO L266 CegarLoopResult]: For program point L80(lines 80 81) no Hoare annotation was computed. [2020-11-06 22:45:08,346 INFO L266 CegarLoopResult]: For program point L80-2(lines 80 81) no Hoare annotation was computed. [2020-11-06 22:45:08,346 INFO L266 CegarLoopResult]: For program point fabsEXIT(lines 76 83) no Hoare annotation was computed. [2020-11-06 22:45:08,347 INFO L269 CegarLoopResult]: At program point fabsENTRY(lines 76 83) the Hoare annotation is: true [2020-11-06 22:45:08,347 INFO L266 CegarLoopResult]: For program point fabsFINAL(lines 76 83) no Hoare annotation was computed. [2020-11-06 22:45:08,347 INFO L266 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-06 22:45:08,347 INFO L269 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-11-06 22:45:08,347 INFO L269 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-11-06 22:45:08,347 INFO L266 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-06 22:45:08,347 INFO L266 CegarLoopResult]: For program point L99-2(line 99) no Hoare annotation was computed. [2020-11-06 22:45:08,347 INFO L266 CegarLoopResult]: For program point L93-2(lines 93 104) no Hoare annotation was computed. [2020-11-06 22:45:08,348 INFO L262 CegarLoopResult]: At program point L93-3(lines 93 104) the Hoare annotation is: (and (<= main_~n~0 5) (<= 5 main_~n~0)) [2020-11-06 22:45:08,348 INFO L269 CegarLoopResult]: At program point L93-4(lines 93 104) the Hoare annotation is: true [2020-11-06 22:45:08,349 INFO L266 CegarLoopResult]: For program point mainEXIT(lines 85 109) no Hoare annotation was computed. [2020-11-06 22:45:08,349 INFO L266 CegarLoopResult]: For program point mainFINAL(lines 85 109) no Hoare annotation was computed. [2020-11-06 22:45:08,349 INFO L266 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-11-06 22:45:08,349 INFO L266 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-11-06 22:45:08,349 INFO L266 CegarLoopResult]: For program point L96-2(lines 96 101) no Hoare annotation was computed. [2020-11-06 22:45:08,350 INFO L262 CegarLoopResult]: At program point mainENTRY(lines 85 109) the Hoare annotation is: (and (= |old(#memory_real)| |#memory_real|) (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2020-11-06 22:45:08,350 INFO L262 CegarLoopResult]: At program point L96-3(lines 96 101) the Hoare annotation is: (and (<= main_~i~0 5) (<= main_~n~0 5) (<= 5 main_~n~0)) [2020-11-06 22:45:08,350 INFO L262 CegarLoopResult]: At program point L96-4(lines 96 101) the Hoare annotation is: (and (<= main_~i~0 5) (<= main_~n~0 5) (<= 5 main_~n~0)) [2020-11-06 22:45:08,350 INFO L266 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-11-06 22:45:08,351 INFO L269 CegarLoopResult]: At program point __VERIFIER_assertENTRY(lines 5 10) the Hoare annotation is: true [2020-11-06 22:45:08,351 INFO L266 CegarLoopResult]: For program point __VERIFIER_assertEXIT(lines 5 10) no Hoare annotation was computed. [2020-11-06 22:45:08,351 INFO L262 CegarLoopResult]: At program point L7(line 7) the Hoare annotation is: (= |__VERIFIER_assert_#in~cond| 0) [2020-11-06 22:45:08,353 INFO L266 CegarLoopResult]: For program point L6(lines 6 8) no Hoare annotation was computed. [2020-11-06 22:45:08,353 INFO L266 CegarLoopResult]: For program point L7-1(line 7) no Hoare annotation was computed. [2020-11-06 22:45:08,353 INFO L266 CegarLoopResult]: For program point L6-2(lines 5 10) no Hoare annotation was computed. [2020-11-06 22:45:08,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:45:08 BoogieIcfgContainer [2020-11-06 22:45:08,375 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-06 22:45:08,380 INFO L168 Benchmark]: Toolchain (without parser) took 6261.96 ms. Allocated memory was 157.3 MB in the beginning and 188.7 MB in the end (delta: 31.5 MB). Free memory was 133.3 MB in the beginning and 100.5 MB in the end (delta: 32.8 MB). Peak memory consumption was 65.1 MB. Max. memory is 8.0 GB. [2020-11-06 22:45:08,381 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 125.8 MB. Free memory is still 104.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-11-06 22:45:08,389 INFO L168 Benchmark]: CACSL2BoogieTranslator took 374.64 ms. Allocated memory is still 157.3 MB. Free memory was 132.8 MB in the beginning and 120.9 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2020-11-06 22:45:08,390 INFO L168 Benchmark]: Boogie Preprocessor took 61.08 ms. Allocated memory is still 157.3 MB. Free memory was 120.9 MB in the beginning and 118.7 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-11-06 22:45:08,391 INFO L168 Benchmark]: RCFGBuilder took 729.39 ms. Allocated memory is still 157.3 MB. Free memory was 118.7 MB in the beginning and 121.3 MB in the end (delta: -2.6 MB). Peak memory consumption was 12.4 MB. Max. memory is 8.0 GB. [2020-11-06 22:45:08,392 INFO L168 Benchmark]: TraceAbstraction took 5082.16 ms. Allocated memory was 157.3 MB in the beginning and 188.7 MB in the end (delta: 31.5 MB). Free memory was 120.7 MB in the beginning and 100.5 MB in the end (delta: 20.2 MB). Peak memory consumption was 52.7 MB. Max. memory is 8.0 GB. [2020-11-06 22:45:08,399 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 125.8 MB. Free memory is still 104.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 374.64 ms. Allocated memory is still 157.3 MB. Free memory was 132.8 MB in the beginning and 120.9 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 61.08 ms. Allocated memory is still 157.3 MB. Free memory was 120.9 MB in the beginning and 118.7 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 729.39 ms. Allocated memory is still 157.3 MB. Free memory was 118.7 MB in the beginning and 121.3 MB in the end (delta: -2.6 MB). Peak memory consumption was 12.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 5082.16 ms. Allocated memory was 157.3 MB in the beginning and 188.7 MB in the end (delta: 31.5 MB). Free memory was 120.7 MB in the beginning and 100.5 MB in the end (delta: 20.2 MB). Peak memory consumption was 52.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: 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: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: (i <= 5 && n <= 5) && 5 <= n - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 93]: Loop Invariant Derived loop invariant: n <= 5 && 5 <= n - InvariantResult [Line: 121]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 68 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.6s, OverallIterations: 5, TraceHistogramMax: 6, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 127 SDtfs, 190 SDslu, 124 SDs, 0 SdLazy, 344 SolverSat, 62 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 149 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=68occurred 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: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 21 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 23 LocationsWithAnnotation, 68 PreInvPairs, 109 NumberOfFragments, 118 HoareAnnotationTreeSize, 68 FomulaSimplifications, 730 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 23 FomulaSimplificationsInter, 194 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 213 NumberOfCodeBlocks, 213 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 206 ConstructedInterpolants, 0 QuantifiedInterpolants, 24121 SizeOfPredicates, 4 NumberOfNonLiveVariables, 428 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 7 InterpolantComputations, 3 PerfectInterpolantSequences, 161/221 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...