/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/eca-rers2012/Problem02_label36.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-06 22:37:13,748 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-06 22:37:13,753 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-06 22:37:13,812 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-06 22:37:13,813 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-06 22:37:13,818 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-06 22:37:13,822 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-06 22:37:13,830 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-06 22:37:13,834 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-06 22:37:13,841 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-06 22:37:13,842 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-06 22:37:13,844 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-06 22:37:13,845 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-06 22:37:13,848 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-06 22:37:13,851 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-06 22:37:13,853 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-06 22:37:13,854 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-06 22:37:13,857 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-06 22:37:13,860 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-06 22:37:13,880 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-06 22:37:13,882 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-06 22:37:13,884 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-06 22:37:13,885 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-06 22:37:13,886 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-06 22:37:13,891 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-11-06 22:37:13,906 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-06 22:37:13,907 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-06 22:37:13,908 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-06 22:37:13,910 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 22:37:13,965 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-06 22:37:13,966 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-06 22:37:13,971 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-06 22:37:13,971 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-06 22:37:13,972 INFO L138 SettingsManager]: * Use SBE=true [2020-11-06 22:37:13,972 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-06 22:37:13,972 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-06 22:37:13,972 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-06 22:37:13,973 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-06 22:37:13,973 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-06 22:37:13,974 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-06 22:37:13,975 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-06 22:37:13,975 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-06 22:37:13,975 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-06 22:37:13,976 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-06 22:37:13,976 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-06 22:37:13,976 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-06 22:37:13,976 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-06 22:37:13,977 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-06 22:37:13,977 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-06 22:37:13,977 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-06 22:37:13,978 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-06 22:37:13,978 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-06 22:37:13,978 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-06 22:37:13,979 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-06 22:37:13,979 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-06 22:37:13,979 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-06 22:37:13,979 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-06 22:37:13,980 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-06 22:37:13,980 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-06 22:37:14,514 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-06 22:37:14,551 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-06 22:37:14,555 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-06 22:37:14,556 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-06 22:37:14,557 INFO L275 PluginConnector]: CDTParser initialized [2020-11-06 22:37:14,558 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label36.c [2020-11-06 22:37:14,656 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4ac7bff2/915fe21e69fb49dfa3ab724a7905062e/FLAG9448bcd4f [2020-11-06 22:37:15,410 INFO L306 CDTParser]: Found 1 translation units. [2020-11-06 22:37:15,411 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label36.c [2020-11-06 22:37:15,446 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4ac7bff2/915fe21e69fb49dfa3ab724a7905062e/FLAG9448bcd4f [2020-11-06 22:37:15,660 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4ac7bff2/915fe21e69fb49dfa3ab724a7905062e [2020-11-06 22:37:15,665 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-06 22:37:15,674 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-06 22:37:15,679 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-06 22:37:15,679 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-06 22:37:15,685 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-06 22:37:15,686 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:37:15" (1/1) ... [2020-11-06 22:37:15,691 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33014f0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:15, skipping insertion in model container [2020-11-06 22:37:15,691 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:37:15" (1/1) ... [2020-11-06 22:37:15,703 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-06 22:37:15,784 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-06 22:37:16,295 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 22:37:16,310 INFO L203 MainTranslator]: Completed pre-run [2020-11-06 22:37:16,480 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 22:37:16,523 INFO L208 MainTranslator]: Completed translation [2020-11-06 22:37:16,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:16 WrapperNode [2020-11-06 22:37:16,525 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-06 22:37:16,526 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-06 22:37:16,526 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-06 22:37:16,527 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-06 22:37:16,539 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:16" (1/1) ... [2020-11-06 22:37:16,539 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:16" (1/1) ... [2020-11-06 22:37:16,560 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:16" (1/1) ... [2020-11-06 22:37:16,560 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:16" (1/1) ... [2020-11-06 22:37:16,604 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:16" (1/1) ... [2020-11-06 22:37:16,624 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:16" (1/1) ... [2020-11-06 22:37:16,637 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:16" (1/1) ... [2020-11-06 22:37:16,649 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-06 22:37:16,651 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-06 22:37:16,651 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-06 22:37:16,651 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-06 22:37:16,652 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:16" (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 22:37:16,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-06 22:37:16,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-06 22:37:16,744 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-06 22:37:16,744 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-11-06 22:37:16,744 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-06 22:37:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-11-06 22:37:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-06 22:37:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-06 22:37:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-06 22:37:16,746 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-06 22:37:16,746 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-06 22:37:16,746 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-11-06 22:37:16,746 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-06 22:37:16,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-06 22:37:16,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-06 22:37:16,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-06 22:37:16,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-06 22:37:16,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-06 22:37:16,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-06 22:37:18,332 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-06 22:37:18,332 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-11-06 22:37:18,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:37:18 BoogieIcfgContainer [2020-11-06 22:37:18,334 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-06 22:37:18,336 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-06 22:37:18,337 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-06 22:37:18,342 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-06 22:37:18,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:37:15" (1/3) ... [2020-11-06 22:37:18,343 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f330707 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:37:18, skipping insertion in model container [2020-11-06 22:37:18,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:16" (2/3) ... [2020-11-06 22:37:18,344 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f330707 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:37:18, skipping insertion in model container [2020-11-06 22:37:18,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:37:18" (3/3) ... [2020-11-06 22:37:18,346 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label36.c [2020-11-06 22:37:18,361 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-06 22:37:18,365 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-06 22:37:18,378 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-06 22:37:18,408 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-06 22:37:18,409 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-06 22:37:18,409 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-06 22:37:18,409 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-06 22:37:18,409 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-06 22:37:18,409 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-06 22:37:18,409 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-06 22:37:18,410 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-06 22:37:18,435 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states. [2020-11-06 22:37:18,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-11-06 22:37:18,451 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:37:18,452 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:37:18,453 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:37:18,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:37:18,460 INFO L82 PathProgramCache]: Analyzing trace with hash 1100231837, now seen corresponding path program 1 times [2020-11-06 22:37:18,472 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:37:18,473 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048597649] [2020-11-06 22:37:18,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:37:18,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:19,147 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-11-06 22:37:19,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:37:19,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:19,293 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 22:37:19,293 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048597649] [2020-11-06 22:37:19,295 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:37:19,295 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-06 22:37:19,296 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251482240] [2020-11-06 22:37:19,305 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-06 22:37:19,305 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:37:19,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-06 22:37:19,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-06 22:37:19,328 INFO L87 Difference]: Start difference. First operand 240 states. Second operand 4 states. [2020-11-06 22:37:21,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:37:21,419 INFO L93 Difference]: Finished difference Result 636 states and 1083 transitions. [2020-11-06 22:37:21,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-06 22:37:21,421 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 139 [2020-11-06 22:37:21,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:37:21,436 INFO L225 Difference]: With dead ends: 636 [2020-11-06 22:37:21,436 INFO L226 Difference]: Without dead ends: 332 [2020-11-06 22:37:21,444 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-06 22:37:21,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2020-11-06 22:37:21,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 325. [2020-11-06 22:37:21,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 325 states. [2020-11-06 22:37:21,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 461 transitions. [2020-11-06 22:37:21,529 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 461 transitions. Word has length 139 [2020-11-06 22:37:21,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:37:21,530 INFO L481 AbstractCegarLoop]: Abstraction has 325 states and 461 transitions. [2020-11-06 22:37:21,530 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-06 22:37:21,530 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 461 transitions. [2020-11-06 22:37:21,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-11-06 22:37:21,537 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:37:21,537 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:37:21,538 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-06 22:37:21,538 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:37:21,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:37:21,539 INFO L82 PathProgramCache]: Analyzing trace with hash -1003762324, now seen corresponding path program 1 times [2020-11-06 22:37:21,539 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:37:21,539 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691959302] [2020-11-06 22:37:21,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:37:21,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:21,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:37:21,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:21,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:37:21,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:21,991 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:37:21,992 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691959302] [2020-11-06 22:37:21,992 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:37:21,992 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-06 22:37:21,993 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279177732] [2020-11-06 22:37:21,994 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-06 22:37:21,995 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:37:21,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-06 22:37:21,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-11-06 22:37:21,996 INFO L87 Difference]: Start difference. First operand 325 states and 461 transitions. Second operand 8 states. [2020-11-06 22:37:25,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:37:25,233 INFO L93 Difference]: Finished difference Result 1260 states and 1841 transitions. [2020-11-06 22:37:25,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-11-06 22:37:25,233 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 161 [2020-11-06 22:37:25,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:37:25,244 INFO L225 Difference]: With dead ends: 1260 [2020-11-06 22:37:25,244 INFO L226 Difference]: Without dead ends: 941 [2020-11-06 22:37:25,247 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-11-06 22:37:25,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 941 states. [2020-11-06 22:37:25,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 941 to 927. [2020-11-06 22:37:25,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 927 states. [2020-11-06 22:37:25,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 927 states to 927 states and 1227 transitions. [2020-11-06 22:37:25,374 INFO L78 Accepts]: Start accepts. Automaton has 927 states and 1227 transitions. Word has length 161 [2020-11-06 22:37:25,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:37:25,377 INFO L481 AbstractCegarLoop]: Abstraction has 927 states and 1227 transitions. [2020-11-06 22:37:25,377 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-06 22:37:25,377 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states and 1227 transitions. [2020-11-06 22:37:25,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-11-06 22:37:25,387 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:37:25,388 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:37:25,388 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-06 22:37:25,388 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:37:25,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:37:25,393 INFO L82 PathProgramCache]: Analyzing trace with hash -187420095, now seen corresponding path program 1 times [2020-11-06 22:37:25,394 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:37:25,394 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035601516] [2020-11-06 22:37:25,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:37:25,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:25,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:37:25,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:25,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:37:25,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:25,806 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:37:25,807 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035601516] [2020-11-06 22:37:25,807 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:37:25,807 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-06 22:37:25,808 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235655632] [2020-11-06 22:37:25,808 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-06 22:37:25,809 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:37:25,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-06 22:37:25,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-11-06 22:37:25,811 INFO L87 Difference]: Start difference. First operand 927 states and 1227 transitions. Second operand 8 states. [2020-11-06 22:37:25,983 WARN L194 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-11-06 22:37:27,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:37:27,235 INFO L93 Difference]: Finished difference Result 1733 states and 2347 transitions. [2020-11-06 22:37:27,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-06 22:37:27,236 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 162 [2020-11-06 22:37:27,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:37:27,245 INFO L225 Difference]: With dead ends: 1733 [2020-11-06 22:37:27,246 INFO L226 Difference]: Without dead ends: 812 [2020-11-06 22:37:27,249 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-11-06 22:37:27,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 812 states. [2020-11-06 22:37:27,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 812 to 772. [2020-11-06 22:37:27,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 772 states. [2020-11-06 22:37:27,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 772 states and 920 transitions. [2020-11-06 22:37:27,310 INFO L78 Accepts]: Start accepts. Automaton has 772 states and 920 transitions. Word has length 162 [2020-11-06 22:37:27,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:37:27,311 INFO L481 AbstractCegarLoop]: Abstraction has 772 states and 920 transitions. [2020-11-06 22:37:27,311 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-06 22:37:27,311 INFO L276 IsEmpty]: Start isEmpty. Operand 772 states and 920 transitions. [2020-11-06 22:37:27,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-11-06 22:37:27,316 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:37:27,317 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:37:27,317 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-06 22:37:27,317 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:37:27,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:37:27,318 INFO L82 PathProgramCache]: Analyzing trace with hash 6179573, now seen corresponding path program 1 times [2020-11-06 22:37:27,318 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:37:27,318 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534697321] [2020-11-06 22:37:27,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:37:27,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:27,694 WARN L194 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-11-06 22:37:27,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:37:27,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:27,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:37:27,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:27,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-11-06 22:37:27,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:28,093 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 27 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-06 22:37:28,095 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534697321] [2020-11-06 22:37:28,095 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2052845906] [2020-11-06 22:37:28,095 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 22:37:28,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:28,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 497 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-06 22:37:28,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:37:28,543 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-06 22:37:28,544 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-06 22:37:28,544 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2020-11-06 22:37:28,545 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677189009] [2020-11-06 22:37:28,546 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-06 22:37:28,546 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:37:28,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-06 22:37:28,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-11-06 22:37:28,547 INFO L87 Difference]: Start difference. First operand 772 states and 920 transitions. Second operand 3 states. [2020-11-06 22:37:29,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:37:29,454 INFO L93 Difference]: Finished difference Result 2128 states and 2545 transitions. [2020-11-06 22:37:29,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-06 22:37:29,459 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 174 [2020-11-06 22:37:29,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:37:29,468 INFO L225 Difference]: With dead ends: 2128 [2020-11-06 22:37:29,468 INFO L226 Difference]: Without dead ends: 760 [2020-11-06 22:37:29,472 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-11-06 22:37:29,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 760 states. [2020-11-06 22:37:29,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 760 to 760. [2020-11-06 22:37:29,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 760 states. [2020-11-06 22:37:29,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 760 states and 879 transitions. [2020-11-06 22:37:29,513 INFO L78 Accepts]: Start accepts. Automaton has 760 states and 879 transitions. Word has length 174 [2020-11-06 22:37:29,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:37:29,514 INFO L481 AbstractCegarLoop]: Abstraction has 760 states and 879 transitions. [2020-11-06 22:37:29,514 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-06 22:37:29,514 INFO L276 IsEmpty]: Start isEmpty. Operand 760 states and 879 transitions. [2020-11-06 22:37:29,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2020-11-06 22:37:29,519 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:37:29,519 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:37:29,732 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:37:29,733 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:37:29,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:37:29,734 INFO L82 PathProgramCache]: Analyzing trace with hash -908663319, now seen corresponding path program 1 times [2020-11-06 22:37:29,735 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:37:29,735 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069298868] [2020-11-06 22:37:29,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:37:29,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:29,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:37:29,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:29,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:37:29,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:29,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-11-06 22:37:29,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:30,072 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 42 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-06 22:37:30,072 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069298868] [2020-11-06 22:37:30,073 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1919424812] [2020-11-06 22:37:30,073 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 22:37:30,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:30,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 499 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-06 22:37:30,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:37:30,412 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 46 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:37:30,412 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-06 22:37:30,413 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2020-11-06 22:37:30,414 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511016454] [2020-11-06 22:37:30,415 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-06 22:37:30,416 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:37:30,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-06 22:37:30,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2020-11-06 22:37:30,417 INFO L87 Difference]: Start difference. First operand 760 states and 879 transitions. Second operand 11 states. [2020-11-06 22:37:30,827 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-11-06 22:37:35,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:37:35,471 INFO L93 Difference]: Finished difference Result 3028 states and 3606 transitions. [2020-11-06 22:37:35,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-11-06 22:37:35,472 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 184 [2020-11-06 22:37:35,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:37:35,482 INFO L225 Difference]: With dead ends: 3028 [2020-11-06 22:37:35,483 INFO L226 Difference]: Without dead ends: 1817 [2020-11-06 22:37:35,488 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 477 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=343, Invalid=1463, Unknown=0, NotChecked=0, Total=1806 [2020-11-06 22:37:35,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1817 states. [2020-11-06 22:37:35,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1817 to 1789. [2020-11-06 22:37:35,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1789 states. [2020-11-06 22:37:35,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1789 states to 1789 states and 1919 transitions. [2020-11-06 22:37:35,564 INFO L78 Accepts]: Start accepts. Automaton has 1789 states and 1919 transitions. Word has length 184 [2020-11-06 22:37:35,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:37:35,564 INFO L481 AbstractCegarLoop]: Abstraction has 1789 states and 1919 transitions. [2020-11-06 22:37:35,565 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-06 22:37:35,565 INFO L276 IsEmpty]: Start isEmpty. Operand 1789 states and 1919 transitions. [2020-11-06 22:37:35,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2020-11-06 22:37:35,571 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:37:35,572 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:37:35,787 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:37:35,787 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:37:35,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:37:35,789 INFO L82 PathProgramCache]: Analyzing trace with hash 1439442191, now seen corresponding path program 1 times [2020-11-06 22:37:35,789 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:37:35,789 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122480127] [2020-11-06 22:37:35,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:37:35,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:35,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:37:35,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:35,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:37:35,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:36,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-11-06 22:37:36,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:36,106 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 92 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-06 22:37:36,106 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122480127] [2020-11-06 22:37:36,107 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [149331430] [2020-11-06 22:37:36,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:37:36,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:36,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 526 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-06 22:37:36,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:37:36,417 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 96 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:37:36,418 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-06 22:37:36,418 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5] total 12 [2020-11-06 22:37:36,419 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150591328] [2020-11-06 22:37:36,420 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-11-06 22:37:36,421 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:37:36,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-11-06 22:37:36,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-11-06 22:37:36,422 INFO L87 Difference]: Start difference. First operand 1789 states and 1919 transitions. Second operand 12 states. [2020-11-06 22:37:38,653 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-11-06 22:37:39,161 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-11-06 22:37:39,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:37:39,587 INFO L93 Difference]: Finished difference Result 3735 states and 4065 transitions. [2020-11-06 22:37:39,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-11-06 22:37:39,587 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 209 [2020-11-06 22:37:39,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:37:39,598 INFO L225 Difference]: With dead ends: 3735 [2020-11-06 22:37:39,599 INFO L226 Difference]: Without dead ends: 2096 [2020-11-06 22:37:39,603 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 218 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=191, Invalid=511, Unknown=0, NotChecked=0, Total=702 [2020-11-06 22:37:39,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2096 states. [2020-11-06 22:37:39,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2096 to 2087. [2020-11-06 22:37:39,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2087 states. [2020-11-06 22:37:39,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2087 states to 2087 states and 2244 transitions. [2020-11-06 22:37:39,685 INFO L78 Accepts]: Start accepts. Automaton has 2087 states and 2244 transitions. Word has length 209 [2020-11-06 22:37:39,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:37:39,686 INFO L481 AbstractCegarLoop]: Abstraction has 2087 states and 2244 transitions. [2020-11-06 22:37:39,686 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-11-06 22:37:39,686 INFO L276 IsEmpty]: Start isEmpty. Operand 2087 states and 2244 transitions. [2020-11-06 22:37:39,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2020-11-06 22:37:39,694 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:37:39,694 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:37:39,908 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:37:39,909 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:37:39,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:37:39,911 INFO L82 PathProgramCache]: Analyzing trace with hash -2046829744, now seen corresponding path program 1 times [2020-11-06 22:37:39,913 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:37:39,914 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829949990] [2020-11-06 22:37:39,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:37:39,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:40,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:37:40,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:40,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:37:40,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:40,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-11-06 22:37:40,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:40,281 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 85 proven. 2 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-11-06 22:37:40,282 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829949990] [2020-11-06 22:37:40,282 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [324312196] [2020-11-06 22:37:40,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:37:40,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:37:40,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 549 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-06 22:37:40,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:37:40,553 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-11-06 22:37:40,554 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-06 22:37:40,554 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2020-11-06 22:37:40,554 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912046754] [2020-11-06 22:37:40,555 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-06 22:37:40,556 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:37:40,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-06 22:37:40,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-06 22:37:40,562 INFO L87 Difference]: Start difference. First operand 2087 states and 2244 transitions. Second operand 3 states. [2020-11-06 22:37:40,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:37:40,897 INFO L93 Difference]: Finished difference Result 3726 states and 4016 transitions. [2020-11-06 22:37:40,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-06 22:37:40,898 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 232 [2020-11-06 22:37:40,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:37:40,899 INFO L225 Difference]: With dead ends: 3726 [2020-11-06 22:37:40,899 INFO L226 Difference]: Without dead ends: 0 [2020-11-06 22:37:40,907 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-06 22:37:40,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-06 22:37:40,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-06 22:37:40,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-06 22:37:40,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-06 22:37:40,908 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 232 [2020-11-06 22:37:40,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:37:40,908 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-06 22:37:40,908 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-06 22:37:40,908 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-06 22:37:40,908 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-06 22:37:41,121 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:37:41,125 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-06 22:37:41,504 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 124 [2020-11-06 22:37:41,760 WARN L194 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 31 [2020-11-06 22:37:42,897 WARN L194 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 141 DAG size of output: 44 [2020-11-06 22:37:43,270 WARN L194 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 43 [2020-11-06 22:37:43,594 WARN L194 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 43 [2020-11-06 22:37:43,807 WARN L194 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 31 [2020-11-06 22:37:43,812 INFO L266 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-11-06 22:37:43,813 INFO L269 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-11-06 22:37:43,813 INFO L266 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-11-06 22:37:43,814 INFO L266 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-11-06 22:37:43,814 INFO L266 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-11-06 22:37:43,814 INFO L262 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= ~a21~0 |old(~a21~0)|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~y~0 |old(~y~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a17~0 |old(~a17~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~z~0 |old(~z~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~v~0 |old(~v~0)|)) [2020-11-06 22:37:43,814 INFO L266 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-11-06 22:37:43,815 INFO L266 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-11-06 22:37:43,815 INFO L266 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-11-06 22:37:43,815 INFO L266 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-11-06 22:37:43,815 INFO L266 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-11-06 22:37:43,815 INFO L266 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-11-06 22:37:43,815 INFO L266 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-11-06 22:37:43,815 INFO L266 CegarLoopResult]: For program point L333(lines 333 415) no Hoare annotation was computed. [2020-11-06 22:37:43,815 INFO L266 CegarLoopResult]: For program point L300(lines 300 309) no Hoare annotation was computed. [2020-11-06 22:37:43,816 INFO L266 CegarLoopResult]: For program point L234(lines 234 415) no Hoare annotation was computed. [2020-11-06 22:37:43,816 INFO L266 CegarLoopResult]: For program point L300-2(lines 300 309) no Hoare annotation was computed. [2020-11-06 22:37:43,816 INFO L266 CegarLoopResult]: For program point L400(lines 400 415) no Hoare annotation was computed. [2020-11-06 22:37:43,816 INFO L266 CegarLoopResult]: For program point L334(lines 334 337) no Hoare annotation was computed. [2020-11-06 22:37:43,816 INFO L266 CegarLoopResult]: For program point L334-2(lines 334 337) no Hoare annotation was computed. [2020-11-06 22:37:43,816 INFO L266 CegarLoopResult]: For program point L136(lines 136 415) no Hoare annotation was computed. [2020-11-06 22:37:43,816 INFO L266 CegarLoopResult]: For program point L37(lines 37 415) no Hoare annotation was computed. [2020-11-06 22:37:43,816 INFO L266 CegarLoopResult]: For program point L566-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:43,817 INFO L266 CegarLoopResult]: For program point L533-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:43,817 INFO L266 CegarLoopResult]: For program point L500-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:43,817 INFO L266 CegarLoopResult]: For program point L467-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:43,817 INFO L266 CegarLoopResult]: For program point L434-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:43,817 INFO L266 CegarLoopResult]: For program point L236(lines 236 415) no Hoare annotation was computed. [2020-11-06 22:37:43,817 INFO L266 CegarLoopResult]: For program point L71(lines 71 415) no Hoare annotation was computed. [2020-11-06 22:37:43,817 INFO L266 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-11-06 22:37:43,817 INFO L266 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-11-06 22:37:43,818 INFO L266 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-11-06 22:37:43,818 INFO L266 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-11-06 22:37:43,818 INFO L266 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-11-06 22:37:43,818 INFO L266 CegarLoopResult]: For program point L204(lines 204 415) no Hoare annotation was computed. [2020-11-06 22:37:43,818 INFO L266 CegarLoopResult]: For program point L171(lines 171 415) no Hoare annotation was computed. [2020-11-06 22:37:43,818 INFO L266 CegarLoopResult]: For program point L370(lines 370 415) no Hoare annotation was computed. [2020-11-06 22:37:43,818 INFO L266 CegarLoopResult]: For program point L205(lines 205 212) no Hoare annotation was computed. [2020-11-06 22:37:43,818 INFO L266 CegarLoopResult]: For program point L205-2(lines 205 212) no Hoare annotation was computed. [2020-11-06 22:37:43,819 INFO L266 CegarLoopResult]: For program point L40(lines 40 415) no Hoare annotation was computed. [2020-11-06 22:37:43,819 INFO L266 CegarLoopResult]: For program point L569-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:43,819 INFO L266 CegarLoopResult]: For program point L536-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:43,819 INFO L266 CegarLoopResult]: For program point L503-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:43,819 INFO L266 CegarLoopResult]: For program point L470-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:43,819 INFO L266 CegarLoopResult]: For program point L404(lines 404 415) no Hoare annotation was computed. [2020-11-06 22:37:43,819 INFO L266 CegarLoopResult]: For program point L437-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:43,820 INFO L266 CegarLoopResult]: For program point L239(lines 239 415) no Hoare annotation was computed. [2020-11-06 22:37:43,820 INFO L262 CegarLoopResult]: At program point L570(line 570) the Hoare annotation is: (let ((.cse3 (not (<= 10 |old(~a28~0)|))) (.cse1 (not (= |old(~a19~0)| 1))) (.cse4 (not (<= 8 |old(~a17~0)|))) (.cse0 (not (<= |old(~a17~0)| 8))) (.cse2 (= 11 |old(~a28~0)|))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (<= |old(~a28~0)| 7)) .cse0 .cse4) (or .cse0 .cse4 .cse2 .cse3) (or .cse0 .cse4 (= |old(~a25~0)| 1) .cse2) (or .cse0 .cse1 .cse4) (or .cse0 .cse2 (not (= |old(~a11~0)| 1))))) [2020-11-06 22:37:43,820 INFO L266 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-11-06 22:37:43,820 INFO L266 CegarLoopResult]: For program point L570-1(line 570) no Hoare annotation was computed. [2020-11-06 22:37:43,820 INFO L266 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-11-06 22:37:43,820 INFO L266 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-11-06 22:37:43,821 INFO L266 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-11-06 22:37:43,821 INFO L266 CegarLoopResult]: For program point L339(lines 339 415) no Hoare annotation was computed. [2020-11-06 22:37:43,821 INFO L266 CegarLoopResult]: For program point L240(lines 240 248) no Hoare annotation was computed. [2020-11-06 22:37:43,821 INFO L266 CegarLoopResult]: For program point L240-2(lines 240 248) no Hoare annotation was computed. [2020-11-06 22:37:43,821 INFO L266 CegarLoopResult]: For program point L141(lines 141 415) no Hoare annotation was computed. [2020-11-06 22:37:43,821 INFO L266 CegarLoopResult]: For program point L108(lines 108 415) no Hoare annotation was computed. [2020-11-06 22:37:43,821 INFO L266 CegarLoopResult]: For program point L406(lines 406 415) no Hoare annotation was computed. [2020-11-06 22:37:43,821 INFO L266 CegarLoopResult]: For program point L340(lines 340 349) no Hoare annotation was computed. [2020-11-06 22:37:43,823 INFO L266 CegarLoopResult]: For program point L340-2(lines 340 349) no Hoare annotation was computed. [2020-11-06 22:37:43,823 INFO L266 CegarLoopResult]: For program point L76(lines 76 415) no Hoare annotation was computed. [2020-11-06 22:37:43,823 INFO L266 CegarLoopResult]: For program point L572-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:43,823 INFO L266 CegarLoopResult]: For program point L539-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:43,824 INFO L266 CegarLoopResult]: For program point L506-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:43,824 INFO L266 CegarLoopResult]: For program point L473-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:43,824 INFO L266 CegarLoopResult]: For program point L440-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:43,824 INFO L266 CegarLoopResult]: For program point L77(lines 77 82) no Hoare annotation was computed. [2020-11-06 22:37:43,824 INFO L266 CegarLoopResult]: For program point L44(lines 44 415) no Hoare annotation was computed. [2020-11-06 22:37:43,824 INFO L266 CegarLoopResult]: For program point L77-2(lines 77 82) no Hoare annotation was computed. [2020-11-06 22:37:43,824 INFO L266 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-11-06 22:37:43,824 INFO L266 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-11-06 22:37:43,824 INFO L266 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-11-06 22:37:43,825 INFO L266 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-11-06 22:37:43,825 INFO L266 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-11-06 22:37:43,825 INFO L266 CegarLoopResult]: For program point L177(lines 177 415) no Hoare annotation was computed. [2020-11-06 22:37:43,825 INFO L266 CegarLoopResult]: For program point L409(lines 409 415) no Hoare annotation was computed. [2020-11-06 22:37:43,825 INFO L266 CegarLoopResult]: For program point L145(lines 145 415) no Hoare annotation was computed. [2020-11-06 22:37:43,825 INFO L266 CegarLoopResult]: For program point L575-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:43,825 INFO L266 CegarLoopResult]: For program point L542-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:43,825 INFO L266 CegarLoopResult]: For program point L509-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:43,825 INFO L266 CegarLoopResult]: For program point L476-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:43,826 INFO L266 CegarLoopResult]: For program point L443-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:43,826 INFO L266 CegarLoopResult]: For program point L377(lines 377 415) no Hoare annotation was computed. [2020-11-06 22:37:43,826 INFO L266 CegarLoopResult]: For program point L311(lines 311 415) no Hoare annotation was computed. [2020-11-06 22:37:43,828 INFO L266 CegarLoopResult]: For program point L278(lines 278 415) no Hoare annotation was computed. [2020-11-06 22:37:43,829 INFO L266 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-11-06 22:37:43,829 INFO L266 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-11-06 22:37:43,829 INFO L266 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed. [2020-11-06 22:37:43,829 INFO L266 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-11-06 22:37:43,829 INFO L266 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-11-06 22:37:43,829 INFO L266 CegarLoopResult]: For program point L411(lines 411 415) no Hoare annotation was computed. [2020-11-06 22:37:43,829 INFO L266 CegarLoopResult]: For program point L214(lines 214 415) no Hoare annotation was computed. [2020-11-06 22:37:43,830 INFO L266 CegarLoopResult]: For program point L181(lines 181 415) no Hoare annotation was computed. [2020-11-06 22:37:43,830 INFO L266 CegarLoopResult]: For program point L115(lines 115 415) no Hoare annotation was computed. [2020-11-06 22:37:43,830 INFO L266 CegarLoopResult]: For program point L49(lines 49 415) no Hoare annotation was computed. [2020-11-06 22:37:43,830 INFO L266 CegarLoopResult]: For program point L578-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:43,830 INFO L266 CegarLoopResult]: For program point L545-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:43,830 INFO L266 CegarLoopResult]: For program point L512-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:43,830 INFO L266 CegarLoopResult]: For program point L479-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:43,830 INFO L266 CegarLoopResult]: For program point L446-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:43,830 INFO L266 CegarLoopResult]: For program point L380(lines 380 415) no Hoare annotation was computed. [2020-11-06 22:37:43,831 INFO L266 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-11-06 22:37:43,831 INFO L266 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-11-06 22:37:43,831 INFO L266 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-11-06 22:37:43,831 INFO L266 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-11-06 22:37:43,831 INFO L266 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-11-06 22:37:43,831 INFO L266 CegarLoopResult]: For program point L282(lines 282 415) no Hoare annotation was computed. [2020-11-06 22:37:43,831 INFO L266 CegarLoopResult]: For program point L150(lines 150 415) no Hoare annotation was computed. [2020-11-06 22:37:43,831 INFO L266 CegarLoopResult]: For program point L84(lines 84 415) no Hoare annotation was computed. [2020-11-06 22:37:43,831 INFO L266 CegarLoopResult]: For program point calculate_outputFINAL(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:43,831 INFO L266 CegarLoopResult]: For program point calculate_outputEXIT(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:43,832 INFO L266 CegarLoopResult]: For program point L382(lines 382 415) no Hoare annotation was computed. [2020-11-06 22:37:43,832 INFO L266 CegarLoopResult]: For program point L316(lines 316 415) no Hoare annotation was computed. [2020-11-06 22:37:43,832 INFO L266 CegarLoopResult]: For program point L250(lines 250 415) no Hoare annotation was computed. [2020-11-06 22:37:43,832 INFO L266 CegarLoopResult]: For program point L217(lines 217 415) no Hoare annotation was computed. [2020-11-06 22:37:43,832 INFO L266 CegarLoopResult]: For program point L85(lines 85 91) no Hoare annotation was computed. [2020-11-06 22:37:43,832 INFO L266 CegarLoopResult]: For program point L52(lines 52 415) no Hoare annotation was computed. [2020-11-06 22:37:43,832 INFO L266 CegarLoopResult]: For program point L85-2(lines 85 91) no Hoare annotation was computed. [2020-11-06 22:37:43,832 INFO L266 CegarLoopResult]: For program point L581-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:43,832 INFO L266 CegarLoopResult]: For program point L548-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:43,833 INFO L266 CegarLoopResult]: For program point L515-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:43,833 INFO L266 CegarLoopResult]: For program point L482-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:43,833 INFO L266 CegarLoopResult]: For program point L416(lines 416 418) no Hoare annotation was computed. [2020-11-06 22:37:43,833 INFO L266 CegarLoopResult]: For program point L449-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:43,835 INFO L266 CegarLoopResult]: For program point L383(lines 383 389) no Hoare annotation was computed. [2020-11-06 22:37:43,836 INFO L266 CegarLoopResult]: For program point L416-2(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:43,836 INFO L266 CegarLoopResult]: For program point L317(lines 317 328) no Hoare annotation was computed. [2020-11-06 22:37:43,836 INFO L266 CegarLoopResult]: For program point L383-2(lines 383 389) no Hoare annotation was computed. [2020-11-06 22:37:43,836 INFO L266 CegarLoopResult]: For program point L317-2(lines 317 328) no Hoare annotation was computed. [2020-11-06 22:37:43,836 INFO L266 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-11-06 22:37:43,836 INFO L266 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-11-06 22:37:43,836 INFO L266 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2020-11-06 22:37:43,837 INFO L266 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-11-06 22:37:43,837 INFO L266 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-11-06 22:37:43,837 INFO L266 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2020-11-06 22:37:43,837 INFO L266 CegarLoopResult]: For program point L351(lines 351 415) no Hoare annotation was computed. [2020-11-06 22:37:43,837 INFO L266 CegarLoopResult]: For program point L285(lines 285 415) no Hoare annotation was computed. [2020-11-06 22:37:43,837 INFO L266 CegarLoopResult]: For program point L220(lines 220 415) no Hoare annotation was computed. [2020-11-06 22:37:43,837 INFO L266 CegarLoopResult]: For program point L187(lines 187 415) no Hoare annotation was computed. [2020-11-06 22:37:43,837 INFO L266 CegarLoopResult]: For program point L121(lines 121 415) no Hoare annotation was computed. [2020-11-06 22:37:43,838 INFO L266 CegarLoopResult]: For program point L584-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:43,838 INFO L266 CegarLoopResult]: For program point L551-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:43,838 INFO L266 CegarLoopResult]: For program point L518-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:43,838 INFO L266 CegarLoopResult]: For program point L485-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:43,841 INFO L266 CegarLoopResult]: For program point L452-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:43,842 INFO L266 CegarLoopResult]: For program point L419-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:43,842 INFO L266 CegarLoopResult]: For program point L56(lines 56 415) no Hoare annotation was computed. [2020-11-06 22:37:43,842 INFO L266 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-11-06 22:37:43,843 INFO L266 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-11-06 22:37:43,843 INFO L266 CegarLoopResult]: For program point L519(line 519) no Hoare annotation was computed. [2020-11-06 22:37:43,843 INFO L266 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-11-06 22:37:43,843 INFO L266 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-11-06 22:37:43,843 INFO L266 CegarLoopResult]: For program point L420(line 420) no Hoare annotation was computed. [2020-11-06 22:37:43,843 INFO L266 CegarLoopResult]: For program point L288(lines 288 415) no Hoare annotation was computed. [2020-11-06 22:37:43,843 INFO L266 CegarLoopResult]: For program point L255(lines 255 415) no Hoare annotation was computed. [2020-11-06 22:37:43,843 INFO L266 CegarLoopResult]: For program point L189(lines 189 415) no Hoare annotation was computed. [2020-11-06 22:37:43,843 INFO L266 CegarLoopResult]: For program point L156(lines 156 415) no Hoare annotation was computed. [2020-11-06 22:37:43,844 INFO L266 CegarLoopResult]: For program point L587-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:43,844 INFO L266 CegarLoopResult]: For program point L554-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:43,844 INFO L266 CegarLoopResult]: For program point L521-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:43,844 INFO L266 CegarLoopResult]: For program point L488-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:43,846 INFO L266 CegarLoopResult]: For program point L455-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:43,846 INFO L266 CegarLoopResult]: For program point L422-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:43,846 INFO L266 CegarLoopResult]: For program point L356(lines 356 415) no Hoare annotation was computed. [2020-11-06 22:37:43,846 INFO L266 CegarLoopResult]: For program point L191(lines 191 415) no Hoare annotation was computed. [2020-11-06 22:37:43,847 INFO L266 CegarLoopResult]: For program point L125(lines 125 415) no Hoare annotation was computed. [2020-11-06 22:37:43,847 INFO L266 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-11-06 22:37:43,847 INFO L266 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-11-06 22:37:43,847 INFO L266 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2020-11-06 22:37:43,847 INFO L266 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-11-06 22:37:43,847 INFO L262 CegarLoopResult]: At program point calculate_outputENTRY(lines 31 600) the Hoare annotation is: (let ((.cse7 (= ~a28~0 |old(~a28~0)|)) (.cse8 (= ~a17~0 |old(~a17~0)|)) (.cse9 (= ~a11~0 |old(~a11~0)|)) (.cse10 (= ~a25~0 |old(~a25~0)|))) (let ((.cse3 (not (<= 10 |old(~a28~0)|))) (.cse1 (not (= |old(~a19~0)| 1))) (.cse4 (and .cse7 .cse8 .cse9 (= ~a19~0 1) .cse10)) (.cse0 (not (<= |old(~a17~0)| 8))) (.cse5 (not (<= 8 |old(~a17~0)|))) (.cse6 (and .cse7 .cse8 .cse9 .cse10 (= ~a19~0 |old(~a19~0)|))) (.cse2 (= 11 |old(~a28~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (<= |old(~a28~0)| 7)) .cse0 .cse5 .cse6) (or .cse0 .cse5 .cse6 .cse2 .cse3) (or .cse0 .cse6 .cse2 (not (= |old(~a11~0)| 1))) (or .cse0 .cse1 .cse5 .cse4) (or .cse0 .cse5 .cse6 (= |old(~a25~0)| 1) .cse2)))) [2020-11-06 22:37:43,847 INFO L266 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-11-06 22:37:43,848 INFO L266 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-11-06 22:37:43,848 INFO L266 CegarLoopResult]: For program point L225(lines 225 415) no Hoare annotation was computed. [2020-11-06 22:37:43,848 INFO L266 CegarLoopResult]: For program point L93(lines 93 415) no Hoare annotation was computed. [2020-11-06 22:37:43,848 INFO L266 CegarLoopResult]: For program point L391(lines 391 415) no Hoare annotation was computed. [2020-11-06 22:37:43,848 INFO L266 CegarLoopResult]: For program point L193(lines 193 415) no Hoare annotation was computed. [2020-11-06 22:37:43,848 INFO L266 CegarLoopResult]: For program point L61(lines 61 415) no Hoare annotation was computed. [2020-11-06 22:37:43,848 INFO L266 CegarLoopResult]: For program point L590-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:43,848 INFO L266 CegarLoopResult]: For program point L557-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:43,848 INFO L266 CegarLoopResult]: For program point L524-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:43,848 INFO L266 CegarLoopResult]: For program point L491-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:43,849 INFO L266 CegarLoopResult]: For program point L458-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:43,849 INFO L266 CegarLoopResult]: For program point L425-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:43,849 INFO L266 CegarLoopResult]: For program point L293(lines 293 415) no Hoare annotation was computed. [2020-11-06 22:37:43,849 INFO L266 CegarLoopResult]: For program point L227(lines 227 415) no Hoare annotation was computed. [2020-11-06 22:37:43,849 INFO L266 CegarLoopResult]: For program point L161(lines 161 415) no Hoare annotation was computed. [2020-11-06 22:37:43,849 INFO L266 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-11-06 22:37:43,849 INFO L266 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-11-06 22:37:43,849 INFO L266 CegarLoopResult]: For program point L525(line 525) no Hoare annotation was computed. [2020-11-06 22:37:43,849 INFO L266 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-11-06 22:37:43,850 INFO L266 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-11-06 22:37:43,850 INFO L266 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-11-06 22:37:43,850 INFO L266 CegarLoopResult]: For program point L261(lines 261 415) no Hoare annotation was computed. [2020-11-06 22:37:43,850 INFO L266 CegarLoopResult]: For program point L295(lines 295 415) no Hoare annotation was computed. [2020-11-06 22:37:43,850 INFO L266 CegarLoopResult]: For program point L196(lines 196 415) no Hoare annotation was computed. [2020-11-06 22:37:43,850 INFO L266 CegarLoopResult]: For program point L97(lines 97 415) no Hoare annotation was computed. [2020-11-06 22:37:43,850 INFO L266 CegarLoopResult]: For program point L593-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:43,850 INFO L266 CegarLoopResult]: For program point L560-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:43,850 INFO L266 CegarLoopResult]: For program point L527-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:43,850 INFO L266 CegarLoopResult]: For program point L494-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:43,851 INFO L266 CegarLoopResult]: For program point L461-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:43,851 INFO L266 CegarLoopResult]: For program point L428-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:43,851 INFO L266 CegarLoopResult]: For program point L263(lines 263 415) no Hoare annotation was computed. [2020-11-06 22:37:43,851 INFO L266 CegarLoopResult]: For program point L32(lines 32 415) no Hoare annotation was computed. [2020-11-06 22:37:43,851 INFO L266 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-11-06 22:37:43,851 INFO L266 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-11-06 22:37:43,851 INFO L266 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2020-11-06 22:37:43,851 INFO L266 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-11-06 22:37:43,851 INFO L266 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-11-06 22:37:43,852 INFO L266 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-11-06 22:37:43,852 INFO L266 CegarLoopResult]: For program point L396(lines 396 415) no Hoare annotation was computed. [2020-11-06 22:37:43,852 INFO L266 CegarLoopResult]: For program point L363(lines 363 415) no Hoare annotation was computed. [2020-11-06 22:37:43,852 INFO L266 CegarLoopResult]: For program point L330(lines 330 415) no Hoare annotation was computed. [2020-11-06 22:37:43,852 INFO L266 CegarLoopResult]: For program point L264(lines 264 276) no Hoare annotation was computed. [2020-11-06 22:37:43,852 INFO L266 CegarLoopResult]: For program point L264-2(lines 264 276) no Hoare annotation was computed. [2020-11-06 22:37:43,852 INFO L266 CegarLoopResult]: For program point L132(lines 132 415) no Hoare annotation was computed. [2020-11-06 22:37:43,852 INFO L266 CegarLoopResult]: For program point L67(lines 67 415) no Hoare annotation was computed. [2020-11-06 22:37:43,852 INFO L266 CegarLoopResult]: For program point L596-1(lines 596 598) no Hoare annotation was computed. [2020-11-06 22:37:43,853 INFO L266 CegarLoopResult]: For program point L563-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:43,853 INFO L266 CegarLoopResult]: For program point L530-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:43,853 INFO L266 CegarLoopResult]: For program point L497-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:43,853 INFO L266 CegarLoopResult]: For program point L464-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:43,853 INFO L266 CegarLoopResult]: For program point L431-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:37:43,853 INFO L266 CegarLoopResult]: For program point L299(lines 299 415) no Hoare annotation was computed. [2020-11-06 22:37:43,853 INFO L266 CegarLoopResult]: For program point L200(lines 200 415) no Hoare annotation was computed. [2020-11-06 22:37:43,853 INFO L266 CegarLoopResult]: For program point L167(lines 167 415) no Hoare annotation was computed. [2020-11-06 22:37:43,853 INFO L266 CegarLoopResult]: For program point L101(lines 101 415) no Hoare annotation was computed. [2020-11-06 22:37:43,853 INFO L266 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-06 22:37:43,854 INFO L262 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a25~0 ~a11~0) (= ~a19~0 1) (<= 8 ~a17~0) (<= ~a28~0 7) (<= ~a17~0 8) (not (= ~a25~0 1))) [2020-11-06 22:37:43,854 INFO L269 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-11-06 22:37:43,854 INFO L266 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-06 22:37:43,854 INFO L262 CegarLoopResult]: At program point L608-2(lines 608 618) the Hoare annotation is: (let ((.cse4 (= ~a19~0 1)) (.cse3 (<= 10 ~a28~0)) (.cse0 (<= 8 ~a17~0)) (.cse1 (<= ~a17~0 8)) (.cse2 (not (= ~a28~0 11)))) (or (and .cse0 .cse1 .cse2 (not (= ~a25~0 1))) (not (<= |old(~a28~0)| 7)) (not (<= |old(~a17~0)| 8)) (not (= |old(~a19~0)| 1)) (not (<= 8 |old(~a17~0)|)) (and .cse3 .cse4 .cse1 .cse2) (= |old(~a25~0)| 1) (and .cse4 .cse0 .cse1) (and .cse0 (<= ~a28~0 7) .cse1) (and .cse1 (= ~a11~0 1) .cse2) (and .cse3 .cse0 .cse1 .cse2) (not (= |old(~a11~0)| |old(~a25~0)|)))) [2020-11-06 22:37:43,854 INFO L262 CegarLoopResult]: At program point mainENTRY(lines 602 619) the Hoare annotation is: (or (not (<= |old(~a28~0)| 7)) (not (<= |old(~a17~0)| 8)) (not (= |old(~a19~0)| 1)) (not (<= 8 |old(~a17~0)|)) (and (= ~a28~0 |old(~a28~0)|) (= ~a25~0 ~a11~0) (= ~a17~0 |old(~a17~0)|) (= ~a19~0 1) (= ~a25~0 |old(~a25~0)|)) (= |old(~a25~0)| 1) (not (= |old(~a11~0)| |old(~a25~0)|))) [2020-11-06 22:37:43,855 INFO L266 CegarLoopResult]: For program point L608-3(lines 602 619) no Hoare annotation was computed. [2020-11-06 22:37:43,855 INFO L266 CegarLoopResult]: For program point mainEXIT(lines 602 619) no Hoare annotation was computed. [2020-11-06 22:37:43,855 INFO L262 CegarLoopResult]: At program point L616(line 616) the Hoare annotation is: (let ((.cse4 (= ~a19~0 1)) (.cse3 (<= 10 ~a28~0)) (.cse0 (<= 8 ~a17~0)) (.cse1 (<= ~a17~0 8)) (.cse2 (not (= ~a28~0 11)))) (or (and .cse0 .cse1 .cse2 (not (= ~a25~0 1))) (not (<= |old(~a28~0)| 7)) (not (<= |old(~a17~0)| 8)) (not (= |old(~a19~0)| 1)) (not (<= 8 |old(~a17~0)|)) (and .cse3 .cse4 .cse1 .cse2) (= |old(~a25~0)| 1) (and .cse4 .cse0 .cse1) (and .cse0 (<= ~a28~0 7) .cse1) (and .cse1 (= ~a11~0 1) .cse2) (and .cse3 .cse0 .cse1 .cse2) (not (= |old(~a11~0)| |old(~a25~0)|)))) [2020-11-06 22:37:43,855 INFO L266 CegarLoopResult]: For program point L616-1(line 616) no Hoare annotation was computed. [2020-11-06 22:37:43,855 INFO L266 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-11-06 22:37:43,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:37:43 BoogieIcfgContainer [2020-11-06 22:37:43,888 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-06 22:37:43,890 INFO L168 Benchmark]: Toolchain (without parser) took 28221.38 ms. Allocated memory was 153.1 MB in the beginning and 463.5 MB in the end (delta: 310.4 MB). Free memory was 126.0 MB in the beginning and 416.8 MB in the end (delta: -290.8 MB). Peak memory consumption was 280.5 MB. Max. memory is 8.0 GB. [2020-11-06 22:37:43,891 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 153.1 MB. Free memory is still 126.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-11-06 22:37:43,891 INFO L168 Benchmark]: CACSL2BoogieTranslator took 846.42 ms. Allocated memory is still 153.1 MB. Free memory was 125.3 MB in the beginning and 132.9 MB in the end (delta: -7.6 MB). Peak memory consumption was 30.2 MB. Max. memory is 8.0 GB. [2020-11-06 22:37:43,892 INFO L168 Benchmark]: Boogie Preprocessor took 123.06 ms. Allocated memory is still 153.1 MB. Free memory was 132.9 MB in the beginning and 128.2 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-11-06 22:37:43,895 INFO L168 Benchmark]: RCFGBuilder took 1684.01 ms. Allocated memory is still 153.1 MB. Free memory was 128.2 MB in the beginning and 107.4 MB in the end (delta: 20.8 MB). Peak memory consumption was 84.9 MB. Max. memory is 8.0 GB. [2020-11-06 22:37:43,897 INFO L168 Benchmark]: TraceAbstraction took 25551.96 ms. Allocated memory was 153.1 MB in the beginning and 463.5 MB in the end (delta: 310.4 MB). Free memory was 107.4 MB in the beginning and 416.8 MB in the end (delta: -309.4 MB). Peak memory consumption was 261.0 MB. Max. memory is 8.0 GB. [2020-11-06 22:37:43,909 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 153.1 MB. Free memory is still 126.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 846.42 ms. Allocated memory is still 153.1 MB. Free memory was 125.3 MB in the beginning and 132.9 MB in the end (delta: -7.6 MB). Peak memory consumption was 30.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 123.06 ms. Allocated memory is still 153.1 MB. Free memory was 132.9 MB in the beginning and 128.2 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1684.01 ms. Allocated memory is still 153.1 MB. Free memory was 128.2 MB in the beginning and 107.4 MB in the end (delta: 20.8 MB). Peak memory consumption was 84.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 25551.96 ms. Allocated memory was 153.1 MB in the beginning and 463.5 MB in the end (delta: 310.4 MB). Free memory was 107.4 MB in the beginning and 416.8 MB in the end (delta: -309.4 MB). Peak memory consumption was 261.0 MB. Max. memory is 8.0 GB. * 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: 608]: Loop Invariant Derived loop invariant: (((((((((((((8 <= a17 && a17 <= 8) && !(a28 == 11)) && !(a25 == 1)) || !(\old(a28) <= 7)) || !(\old(a17) <= 8)) || !(\old(a19) == 1)) || !(8 <= \old(a17))) || (((10 <= a28 && a19 == 1) && a17 <= 8) && !(a28 == 11))) || \old(a25) == 1) || ((a19 == 1 && 8 <= a17) && a17 <= 8)) || ((8 <= a17 && a28 <= 7) && a17 <= 8)) || ((a17 <= 8 && a11 == 1) && !(a28 == 11))) || (((10 <= a28 && 8 <= a17) && a17 <= 8) && !(a28 == 11))) || !(\old(a11) == \old(a25)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 240 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 22.7s, OverallIterations: 7, TraceHistogramMax: 3, AutomataDifference: 16.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 452 SDtfs, 5299 SDslu, 378 SDs, 0 SdLazy, 6427 SolverSat, 1352 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 946 GetRequests, 845 SyntacticMatches, 0 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 630 ImplicationChecksByTransitivity, 4.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2087occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 7 MinimizatonAttempts, 98 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 137 PreInvPairs, 179 NumberOfFragments, 608 HoareAnnotationTreeSize, 137 FomulaSimplifications, 12334 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 9 FomulaSimplificationsInter, 3142 FormulaSimplificationTreeSizeReductionInter, 2.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 2060 NumberOfCodeBlocks, 2060 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 2049 ConstructedInterpolants, 0 QuantifiedInterpolants, 1132121 SizeOfPredicates, 3 NumberOfNonLiveVariables, 2071 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 11 InterpolantComputations, 5 PerfectInterpolantSequences, 637/661 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...