/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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_label00.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-3af5e1f [2020-09-04 13:34:14,549 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 13:34:14,553 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 13:34:14,597 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-04 13:34:14,597 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-04 13:34:14,608 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-04 13:34:14,610 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-04 13:34:14,613 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-04 13:34:14,617 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-04 13:34:14,620 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-04 13:34:14,621 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-04 13:34:14,622 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-04 13:34:14,622 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 13:34:14,626 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 13:34:14,629 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 13:34:14,631 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 13:34:14,633 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 13:34:14,635 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 13:34:14,637 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 13:34:14,645 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 13:34:14,650 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 13:34:14,651 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 13:34:14,652 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 13:34:14,653 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 13:34:14,658 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-04 13:34:14,658 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-04 13:34:14,659 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-04 13:34:14,663 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-04 13:34:14,664 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-04 13:34:14,666 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-04 13:34:14,667 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-04 13:34:14,668 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-04 13:34:14,668 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-04 13:34:14,669 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-04 13:34:14,671 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-04 13:34:14,671 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-04 13:34:14,672 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-04 13:34:14,672 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-04 13:34:14,672 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-04 13:34:14,673 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-04 13:34:14,675 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-04 13:34:14,676 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-04 13:34:14,725 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 13:34:14,725 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 13:34:14,728 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-04 13:34:14,728 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-04 13:34:14,728 INFO L138 SettingsManager]: * Use SBE=true [2020-09-04 13:34:14,729 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 13:34:14,729 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 13:34:14,729 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 13:34:14,729 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 13:34:14,729 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 13:34:14,731 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 13:34:14,731 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 13:34:14,731 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 13:34:14,732 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 13:34:14,732 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 13:34:14,732 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 13:34:14,732 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 13:34:14,733 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 13:34:14,733 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-04 13:34:14,733 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 13:34:14,733 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 13:34:14,733 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 13:34:14,734 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 13:34:14,734 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-04 13:34:14,734 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-04 13:34:14,734 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-04 13:34:14,734 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-04 13:34:14,735 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 13:34:14,735 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-04 13:34:14,735 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-04 13:34:15,193 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 13:34:15,209 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 13:34:15,216 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 13:34:15,218 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 13:34:15,219 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 13:34:15,220 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label00.c [2020-09-04 13:34:15,296 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dbbdf66aa/514ed53f933546baafee680c8199a1ac/FLAG60d1cc6bb [2020-09-04 13:34:15,916 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 13:34:15,917 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label00.c [2020-09-04 13:34:15,942 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dbbdf66aa/514ed53f933546baafee680c8199a1ac/FLAG60d1cc6bb [2020-09-04 13:34:16,138 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dbbdf66aa/514ed53f933546baafee680c8199a1ac [2020-09-04 13:34:16,151 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 13:34:16,153 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 13:34:16,154 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 13:34:16,154 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 13:34:16,159 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 13:34:16,160 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 01:34:16" (1/1) ... [2020-09-04 13:34:16,165 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@547fd1e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:34:16, skipping insertion in model container [2020-09-04 13:34:16,165 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 01:34:16" (1/1) ... [2020-09-04 13:34:16,174 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 13:34:16,246 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 13:34:16,729 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 13:34:16,740 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 13:34:16,932 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 13:34:16,952 INFO L208 MainTranslator]: Completed translation [2020-09-04 13:34:16,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:34:16 WrapperNode [2020-09-04 13:34:16,953 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 13:34:16,954 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 13:34:16,954 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 13:34:16,954 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 13:34:16,968 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:34:16" (1/1) ... [2020-09-04 13:34:16,968 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:34:16" (1/1) ... [2020-09-04 13:34:16,986 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:34:16" (1/1) ... [2020-09-04 13:34:16,987 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:34:16" (1/1) ... [2020-09-04 13:34:17,028 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:34:16" (1/1) ... [2020-09-04 13:34:17,047 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:34:16" (1/1) ... [2020-09-04 13:34:17,053 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:34:16" (1/1) ... [2020-09-04 13:34:17,060 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 13:34:17,061 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 13:34:17,061 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 13:34:17,061 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 13:34:17,063 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:34:16" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-04 13:34:17,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 13:34:17,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 13:34:17,135 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-09-04 13:34:17,135 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 13:34:17,135 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-09-04 13:34:17,136 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 13:34:17,136 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-04 13:34:17,136 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-04 13:34:17,136 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 13:34:17,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 13:34:17,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 13:34:18,333 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 13:34:18,333 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-04 13:34:18,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 01:34:18 BoogieIcfgContainer [2020-09-04 13:34:18,341 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 13:34:18,343 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 13:34:18,343 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 13:34:18,347 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 13:34:18,348 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 01:34:16" (1/3) ... [2020-09-04 13:34:18,349 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b342f05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 01:34:18, skipping insertion in model container [2020-09-04 13:34:18,350 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:34:16" (2/3) ... [2020-09-04 13:34:18,350 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b342f05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 01:34:18, skipping insertion in model container [2020-09-04 13:34:18,350 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 01:34:18" (3/3) ... [2020-09-04 13:34:18,353 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label00.c [2020-09-04 13:34:18,366 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-09-04 13:34:18,376 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-04 13:34:18,399 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-04 13:34:18,432 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 13:34:18,432 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 13:34:18,433 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-04 13:34:18,433 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 13:34:18,433 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 13:34:18,433 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 13:34:18,433 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 13:34:18,433 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 13:34:18,466 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-09-04 13:34:18,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-09-04 13:34:18,482 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:34:18,483 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] [2020-09-04 13:34:18,484 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:34:18,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:34:18,490 INFO L82 PathProgramCache]: Analyzing trace with hash 1022555377, now seen corresponding path program 1 times [2020-09-04 13:34:18,501 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:34:18,501 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275093319] [2020-09-04 13:34:18,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:34:18,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:34:19,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:34:19,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:34:19,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 13:34:19,130 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275093319] [2020-09-04 13:34:19,131 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 13:34:19,131 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-04 13:34:19,132 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014676796] [2020-09-04 13:34:19,139 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-04 13:34:19,140 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:34:19,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-04 13:34:19,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-04 13:34:19,161 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 5 states. [2020-09-04 13:34:20,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:34:20,874 INFO L93 Difference]: Finished difference Result 627 states and 1073 transitions. [2020-09-04 13:34:20,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-04 13:34:20,878 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 121 [2020-09-04 13:34:20,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:34:20,910 INFO L225 Difference]: With dead ends: 627 [2020-09-04 13:34:20,911 INFO L226 Difference]: Without dead ends: 327 [2020-09-04 13:34:20,924 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-04 13:34:20,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2020-09-04 13:34:21,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 319. [2020-09-04 13:34:21,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2020-09-04 13:34:21,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 480 transitions. [2020-09-04 13:34:21,030 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 480 transitions. Word has length 121 [2020-09-04 13:34:21,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:34:21,032 INFO L479 AbstractCegarLoop]: Abstraction has 319 states and 480 transitions. [2020-09-04 13:34:21,032 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-04 13:34:21,032 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 480 transitions. [2020-09-04 13:34:21,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-09-04 13:34:21,038 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:34:21,039 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-04 13:34:21,039 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 13:34:21,039 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:34:21,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:34:21,040 INFO L82 PathProgramCache]: Analyzing trace with hash 145020396, now seen corresponding path program 1 times [2020-09-04 13:34:21,040 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:34:21,040 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150334177] [2020-09-04 13:34:21,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:34:21,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:34:21,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:34:21,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:34:21,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:34:21,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:34:21,366 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 13:34:21,366 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150334177] [2020-09-04 13:34:21,367 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 13:34:21,367 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-04 13:34:21,367 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703373977] [2020-09-04 13:34:21,371 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-04 13:34:21,371 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:34:21,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-04 13:34:21,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-04 13:34:21,373 INFO L87 Difference]: Start difference. First operand 319 states and 480 transitions. Second operand 8 states. [2020-09-04 13:34:22,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:34:22,446 INFO L93 Difference]: Finished difference Result 635 states and 968 transitions. [2020-09-04 13:34:22,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-04 13:34:22,449 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 136 [2020-09-04 13:34:22,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:34:22,454 INFO L225 Difference]: With dead ends: 635 [2020-09-04 13:34:22,454 INFO L226 Difference]: Without dead ends: 322 [2020-09-04 13:34:22,460 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-09-04 13:34:22,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2020-09-04 13:34:22,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 310. [2020-09-04 13:34:22,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 310 states. [2020-09-04 13:34:22,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 437 transitions. [2020-09-04 13:34:22,508 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 437 transitions. Word has length 136 [2020-09-04 13:34:22,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:34:22,512 INFO L479 AbstractCegarLoop]: Abstraction has 310 states and 437 transitions. [2020-09-04 13:34:22,512 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-04 13:34:22,512 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 437 transitions. [2020-09-04 13:34:22,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-09-04 13:34:22,517 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:34:22,518 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] [2020-09-04 13:34:22,518 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-04 13:34:22,518 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:34:22,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:34:22,519 INFO L82 PathProgramCache]: Analyzing trace with hash -1224887079, now seen corresponding path program 1 times [2020-09-04 13:34:22,519 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:34:22,519 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643292476] [2020-09-04 13:34:22,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:34:22,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:34:22,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:34:22,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:34:22,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:34:22,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:34:22,776 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 13:34:22,777 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643292476] [2020-09-04 13:34:22,777 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 13:34:22,777 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-04 13:34:22,777 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021575479] [2020-09-04 13:34:22,778 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-04 13:34:22,778 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:34:22,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-04 13:34:22,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-04 13:34:22,779 INFO L87 Difference]: Start difference. First operand 310 states and 437 transitions. Second operand 8 states. [2020-09-04 13:34:25,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:34:25,045 INFO L93 Difference]: Finished difference Result 1090 states and 1576 transitions. [2020-09-04 13:34:25,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-04 13:34:25,048 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 143 [2020-09-04 13:34:25,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:34:25,054 INFO L225 Difference]: With dead ends: 1090 [2020-09-04 13:34:25,054 INFO L226 Difference]: Without dead ends: 786 [2020-09-04 13:34:25,056 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-09-04 13:34:25,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 786 states. [2020-09-04 13:34:25,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 786 to 766. [2020-09-04 13:34:25,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 766 states. [2020-09-04 13:34:25,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 766 states and 970 transitions. [2020-09-04 13:34:25,101 INFO L78 Accepts]: Start accepts. Automaton has 766 states and 970 transitions. Word has length 143 [2020-09-04 13:34:25,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:34:25,101 INFO L479 AbstractCegarLoop]: Abstraction has 766 states and 970 transitions. [2020-09-04 13:34:25,101 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-04 13:34:25,101 INFO L276 IsEmpty]: Start isEmpty. Operand 766 states and 970 transitions. [2020-09-04 13:34:25,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-09-04 13:34:25,107 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:34:25,108 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-04 13:34:25,108 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-04 13:34:25,108 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:34:25,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:34:25,109 INFO L82 PathProgramCache]: Analyzing trace with hash -1177628319, now seen corresponding path program 1 times [2020-09-04 13:34:25,109 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:34:25,110 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150005451] [2020-09-04 13:34:25,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:34:25,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:34:25,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:34:25,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:34:25,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:34:25,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:34:25,564 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 13:34:25,564 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150005451] [2020-09-04 13:34:25,566 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1256927845] [2020-09-04 13:34:25,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-04 13:34:25,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:34:25,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 11 conjunts are in the unsatisfiable core [2020-09-04 13:34:25,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-04 13:34:25,784 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 13:34:25,785 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-09-04 13:34:25,785 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2020-09-04 13:34:25,786 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922030461] [2020-09-04 13:34:25,786 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-04 13:34:25,787 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:34:25,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-04 13:34:25,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-09-04 13:34:25,788 INFO L87 Difference]: Start difference. First operand 766 states and 970 transitions. Second operand 5 states. [2020-09-04 13:34:26,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:34:26,619 INFO L93 Difference]: Finished difference Result 2001 states and 2613 transitions. [2020-09-04 13:34:26,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-04 13:34:26,620 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 147 [2020-09-04 13:34:26,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:34:26,630 INFO L225 Difference]: With dead ends: 2001 [2020-09-04 13:34:26,631 INFO L226 Difference]: Without dead ends: 1241 [2020-09-04 13:34:26,633 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 147 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2020-09-04 13:34:26,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1241 states. [2020-09-04 13:34:26,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1241 to 1223. [2020-09-04 13:34:26,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1223 states. [2020-09-04 13:34:26,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1223 states to 1223 states and 1476 transitions. [2020-09-04 13:34:26,739 INFO L78 Accepts]: Start accepts. Automaton has 1223 states and 1476 transitions. Word has length 147 [2020-09-04 13:34:26,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:34:26,739 INFO L479 AbstractCegarLoop]: Abstraction has 1223 states and 1476 transitions. [2020-09-04 13:34:26,739 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-04 13:34:26,739 INFO L276 IsEmpty]: Start isEmpty. Operand 1223 states and 1476 transitions. [2020-09-04 13:34:26,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-09-04 13:34:26,744 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:34:26,744 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] [2020-09-04 13:34:26,959 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-04 13:34:26,960 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:34:26,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:34:26,961 INFO L82 PathProgramCache]: Analyzing trace with hash 1843970640, now seen corresponding path program 1 times [2020-09-04 13:34:26,961 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:34:26,962 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86375334] [2020-09-04 13:34:26,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:34:27,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:34:27,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:34:27,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:34:27,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:34:27,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:34:27,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-04 13:34:27,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:34:27,268 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 27 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-09-04 13:34:27,268 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86375334] [2020-09-04 13:34:27,269 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [941776474] [2020-09-04 13:34:27,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-04 13:34:27,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:34:27,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 4 conjunts are in the unsatisfiable core [2020-09-04 13:34:27,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-04 13:34:27,448 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-09-04 13:34:27,448 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-09-04 13:34:27,449 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2020-09-04 13:34:27,449 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936092905] [2020-09-04 13:34:27,450 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-04 13:34:27,450 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:34:27,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-04 13:34:27,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-09-04 13:34:27,451 INFO L87 Difference]: Start difference. First operand 1223 states and 1476 transitions. Second operand 3 states. [2020-09-04 13:34:28,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:34:28,044 INFO L93 Difference]: Finished difference Result 2440 states and 2946 transitions. [2020-09-04 13:34:28,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-04 13:34:28,045 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 156 [2020-09-04 13:34:28,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:34:28,053 INFO L225 Difference]: With dead ends: 2440 [2020-09-04 13:34:28,053 INFO L226 Difference]: Without dead ends: 1223 [2020-09-04 13:34:28,057 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-09-04 13:34:28,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1223 states. [2020-09-04 13:34:28,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1223 to 1071. [2020-09-04 13:34:28,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1071 states. [2020-09-04 13:34:28,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1071 states to 1071 states and 1217 transitions. [2020-09-04 13:34:28,100 INFO L78 Accepts]: Start accepts. Automaton has 1071 states and 1217 transitions. Word has length 156 [2020-09-04 13:34:28,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:34:28,101 INFO L479 AbstractCegarLoop]: Abstraction has 1071 states and 1217 transitions. [2020-09-04 13:34:28,101 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-04 13:34:28,101 INFO L276 IsEmpty]: Start isEmpty. Operand 1071 states and 1217 transitions. [2020-09-04 13:34:28,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-09-04 13:34:28,105 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:34:28,106 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, 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] [2020-09-04 13:34:28,320 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-04 13:34:28,321 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:34:28,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:34:28,322 INFO L82 PathProgramCache]: Analyzing trace with hash 1421376036, now seen corresponding path program 1 times [2020-09-04 13:34:28,323 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:34:28,323 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029878250] [2020-09-04 13:34:28,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:34:28,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:34:28,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:34:28,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:34:28,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:34:28,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:34:28,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-04 13:34:28,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:34:28,538 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 52 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-04 13:34:28,539 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029878250] [2020-09-04 13:34:28,539 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [944801740] [2020-09-04 13:34:28,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-04 13:34:28,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:34:28,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 7 conjunts are in the unsatisfiable core [2020-09-04 13:34:28,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-04 13:34:28,675 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 53 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 13:34:28,676 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-04 13:34:28,676 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 7 [2020-09-04 13:34:28,677 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481209503] [2020-09-04 13:34:28,678 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-04 13:34:28,679 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:34:28,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-04 13:34:28,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-04 13:34:28,680 INFO L87 Difference]: Start difference. First operand 1071 states and 1217 transitions. Second operand 7 states. [2020-09-04 13:34:30,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:34:30,700 INFO L93 Difference]: Finished difference Result 3073 states and 3519 transitions. [2020-09-04 13:34:30,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-04 13:34:30,702 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 169 [2020-09-04 13:34:30,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:34:30,710 INFO L225 Difference]: With dead ends: 3073 [2020-09-04 13:34:30,711 INFO L226 Difference]: Without dead ends: 1698 [2020-09-04 13:34:30,714 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-09-04 13:34:30,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1698 states. [2020-09-04 13:34:30,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1698 to 1682. [2020-09-04 13:34:30,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1682 states. [2020-09-04 13:34:30,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1682 states to 1682 states and 1882 transitions. [2020-09-04 13:34:30,761 INFO L78 Accepts]: Start accepts. Automaton has 1682 states and 1882 transitions. Word has length 169 [2020-09-04 13:34:30,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:34:30,761 INFO L479 AbstractCegarLoop]: Abstraction has 1682 states and 1882 transitions. [2020-09-04 13:34:30,761 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-04 13:34:30,761 INFO L276 IsEmpty]: Start isEmpty. Operand 1682 states and 1882 transitions. [2020-09-04 13:34:30,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2020-09-04 13:34:30,767 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:34:30,768 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2020-09-04 13:34:30,982 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-04 13:34:30,983 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:34:30,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:34:30,984 INFO L82 PathProgramCache]: Analyzing trace with hash -1259980821, now seen corresponding path program 1 times [2020-09-04 13:34:30,984 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:34:30,985 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34735243] [2020-09-04 13:34:30,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:34:31,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:34:31,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:34:31,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:34:31,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:34:31,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:34:31,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-04 13:34:31,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:34:31,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-04 13:34:31,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:34:31,437 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 125 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-09-04 13:34:31,437 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34735243] [2020-09-04 13:34:31,438 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1367285270] [2020-09-04 13:34:31,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-04 13:34:31,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:34:31,601 INFO L263 TraceCheckSpWp]: Trace formula consists of 532 conjuncts, 4 conjunts are in the unsatisfiable core [2020-09-04 13:34:31,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-04 13:34:31,748 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 130 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-09-04 13:34:31,749 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-04 13:34:31,749 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 11 [2020-09-04 13:34:31,750 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94790238] [2020-09-04 13:34:31,751 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-04 13:34:31,752 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:34:31,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-04 13:34:31,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-09-04 13:34:31,753 INFO L87 Difference]: Start difference. First operand 1682 states and 1882 transitions. Second operand 11 states. [2020-09-04 13:34:34,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:34:34,930 INFO L93 Difference]: Finished difference Result 3493 states and 3975 transitions. [2020-09-04 13:34:34,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-04 13:34:34,931 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 226 [2020-09-04 13:34:34,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:34:34,932 INFO L225 Difference]: With dead ends: 3493 [2020-09-04 13:34:34,932 INFO L226 Difference]: Without dead ends: 0 [2020-09-04 13:34:34,942 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2020-09-04 13:34:34,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-04 13:34:34,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-04 13:34:34,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-04 13:34:34,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-04 13:34:34,944 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 226 [2020-09-04 13:34:34,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:34:34,944 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-04 13:34:34,944 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-04 13:34:34,944 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-04 13:34:34,945 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-04 13:34:35,158 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-04 13:34:35,161 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-04 13:34:35,909 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 90 [2020-09-04 13:34:36,052 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 90 [2020-09-04 13:34:36,975 WARN L193 SmtUtils]: Spent 815.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 51 [2020-09-04 13:34:37,420 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 48 [2020-09-04 13:34:37,800 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 48 [2020-09-04 13:34:37,805 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-04 13:34:37,806 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= ~z~0 |old(~z~0)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~a~0 |old(~a~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= ~v~0 |old(~v~0)|)) [2020-09-04 13:34:37,806 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-04 13:34:37,806 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:37,806 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:37,807 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:37,807 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:37,807 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:37,807 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-09-04 13:34:37,807 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-09-04 13:34:37,808 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-09-04 13:34:37,808 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-09-04 13:34:37,808 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-09-04 13:34:37,808 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-09-04 13:34:37,808 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-09-04 13:34:37,808 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-09-04 13:34:37,809 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-09-04 13:34:37,809 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-09-04 13:34:37,809 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-09-04 13:34:37,809 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-09-04 13:34:37,809 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-09-04 13:34:37,809 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:37,809 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:37,809 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:37,810 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:37,810 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-09-04 13:34:37,810 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:37,810 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-09-04 13:34:37,810 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-09-04 13:34:37,810 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-09-04 13:34:37,811 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-09-04 13:34:37,811 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-09-04 13:34:37,811 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-09-04 13:34:37,811 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-09-04 13:34:37,811 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-09-04 13:34:37,811 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-09-04 13:34:37,811 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-09-04 13:34:37,812 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-09-04 13:34:37,812 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-09-04 13:34:37,812 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-09-04 13:34:37,812 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-09-04 13:34:37,812 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-09-04 13:34:37,812 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:37,812 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:37,813 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:37,813 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:37,813 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:37,813 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 517) no Hoare annotation was computed. [2020-09-04 13:34:37,813 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-09-04 13:34:37,813 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-09-04 13:34:37,813 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-09-04 13:34:37,814 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-09-04 13:34:37,814 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-09-04 13:34:37,814 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-09-04 13:34:37,814 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-09-04 13:34:37,814 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-09-04 13:34:37,814 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-09-04 13:34:37,814 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-09-04 13:34:37,815 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-09-04 13:34:37,815 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:37,815 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:37,815 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:37,815 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:37,815 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:37,815 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-09-04 13:34:37,815 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-09-04 13:34:37,815 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-09-04 13:34:37,816 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-09-04 13:34:37,816 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-09-04 13:34:37,816 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-09-04 13:34:37,816 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-09-04 13:34:37,816 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-09-04 13:34:37,816 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-09-04 13:34:37,816 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-09-04 13:34:37,816 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-09-04 13:34:37,816 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-09-04 13:34:37,816 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-09-04 13:34:37,817 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:37,817 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:37,817 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:37,817 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:37,817 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:37,817 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-09-04 13:34:37,817 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-09-04 13:34:37,817 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-09-04 13:34:37,818 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-09-04 13:34:37,818 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-09-04 13:34:37,818 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-09-04 13:34:37,818 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-09-04 13:34:37,818 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-09-04 13:34:37,818 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-09-04 13:34:37,818 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-09-04 13:34:37,818 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-09-04 13:34:37,818 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-09-04 13:34:37,818 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-09-04 13:34:37,818 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-09-04 13:34:37,819 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-09-04 13:34:37,819 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-09-04 13:34:37,819 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:37,819 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:37,819 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:37,819 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:37,819 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-09-04 13:34:37,819 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:37,819 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-09-04 13:34:37,819 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:37,819 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-09-04 13:34:37,820 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-09-04 13:34:37,820 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-09-04 13:34:37,820 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:37,820 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:37,820 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-09-04 13:34:37,820 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-09-04 13:34:37,820 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-09-04 13:34:37,820 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-09-04 13:34:37,820 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-09-04 13:34:37,820 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-09-04 13:34:37,820 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-09-04 13:34:37,820 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-09-04 13:34:37,821 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-09-04 13:34:37,821 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-09-04 13:34:37,821 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-09-04 13:34:37,821 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:37,821 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:37,821 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:37,821 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:37,821 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:37,821 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:37,821 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-09-04 13:34:37,822 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-09-04 13:34:37,822 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-09-04 13:34:37,822 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-09-04 13:34:37,822 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-09-04 13:34:37,822 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-09-04 13:34:37,822 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-09-04 13:34:37,822 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-09-04 13:34:37,822 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-09-04 13:34:37,822 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-09-04 13:34:37,822 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-09-04 13:34:37,822 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:37,822 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:37,823 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:37,823 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:37,823 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:37,823 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:37,823 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-09-04 13:34:37,823 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-09-04 13:34:37,823 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-09-04 13:34:37,823 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-09-04 13:34:37,823 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-09-04 13:34:37,824 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-09-04 13:34:37,824 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-09-04 13:34:37,824 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-09-04 13:34:37,824 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-09-04 13:34:37,824 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-09-04 13:34:37,824 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-09-04 13:34:37,824 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-09-04 13:34:37,824 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-09-04 13:34:37,824 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-09-04 13:34:37,824 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:37,824 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:37,824 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:37,825 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse3 (= ~a28~0 |old(~a28~0)|)) (.cse15 (= ~a17~0 |old(~a17~0)|)) (.cse4 (= ~a11~0 |old(~a11~0)|)) (.cse5 (= ~a25~0 |old(~a25~0)|)) (.cse8 (= ~a19~0 |old(~a19~0)|))) (let ((.cse9 (= |old(~a17~0)| |old(~a28~0)|)) (.cse6 (<= 8 ~a17~0)) (.cse7 (<= ~a17~0 8)) (.cse13 (not (= |old(~a25~0)| 1))) (.cse14 (= ~a25~0 1)) (.cse0 (not (= |old(~a19~0)| 1))) (.cse11 (not (<= |old(~a17~0)| 8))) (.cse10 (and .cse3 .cse15 .cse4 .cse5 .cse8)) (.cse1 (= 11 |old(~a28~0)|)) (.cse2 (not (= 8 |old(~a17~0)|))) (.cse12 (not (<= |old(~a19~0)| 0)))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) .cse9) (or .cse0 .cse10 .cse1 (not (<= |old(~a17~0)| 7)) .cse9) (or .cse11 .cse10 .cse1 .cse12 .cse9) (or .cse13 .cse0 .cse2 (and .cse3 .cse4 .cse6 .cse14 .cse7 .cse8)) (or (not (<= |old(~a28~0)| 7)) .cse13 .cse11 (and .cse3 .cse15 .cse4 .cse14 .cse8) .cse0) (or .cse11 .cse10 .cse1 .cse2 .cse12)))) [2020-09-04 13:34:37,825 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:37,825 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:37,825 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:37,825 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-09-04 13:34:37,826 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-09-04 13:34:37,826 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-09-04 13:34:37,826 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-09-04 13:34:37,826 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-09-04 13:34:37,826 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-09-04 13:34:37,826 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-09-04 13:34:37,826 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-09-04 13:34:37,826 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-09-04 13:34:37,826 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-09-04 13:34:37,827 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-09-04 13:34:37,827 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-09-04 13:34:37,827 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-09-04 13:34:37,827 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:37,827 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:37,827 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:37,827 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:37,827 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:37,828 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:37,828 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-09-04 13:34:37,828 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-09-04 13:34:37,828 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-09-04 13:34:37,828 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-09-04 13:34:37,828 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-09-04 13:34:37,828 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-09-04 13:34:37,828 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-09-04 13:34:37,828 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-09-04 13:34:37,829 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-09-04 13:34:37,829 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-09-04 13:34:37,829 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-09-04 13:34:37,829 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-09-04 13:34:37,829 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-09-04 13:34:37,829 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-09-04 13:34:37,829 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-09-04 13:34:37,829 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-09-04 13:34:37,830 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:37,830 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:37,830 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:37,830 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:37,830 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:37,830 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-09-04 13:34:37,830 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-09-04 13:34:37,830 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-09-04 13:34:37,831 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-09-04 13:34:37,831 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-09-04 13:34:37,831 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-09-04 13:34:37,831 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-09-04 13:34:37,831 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-09-04 13:34:37,831 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-09-04 13:34:37,831 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-09-04 13:34:37,831 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-09-04 13:34:37,832 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-09-04 13:34:37,832 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-09-04 13:34:37,832 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-09-04 13:34:37,832 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-09-04 13:34:37,832 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-09-04 13:34:37,832 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-09-04 13:34:37,832 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-09-04 13:34:37,832 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-09-04 13:34:37,833 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-04 13:34:37,833 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a19~0 1) (<= 8 ~a17~0) (<= ~a28~0 7) (<= ~a17~0 8)) [2020-09-04 13:34:37,833 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-04 13:34:37,833 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-04 13:34:37,833 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) 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)|) (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) (<= 8 ~a17~0) (<= ~a17~0 8) (= ~a19~0 |old(~a19~0)|))) [2020-09-04 13:34:37,833 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse0 (not (= ~a28~0 ~a17~0))) (.cse4 (= ~a19~0 1)) (.cse7 (<= 8 ~a17~0)) (.cse6 (= ~a25~0 1)) (.cse5 (<= ~a17~0 8)) (.cse1 (not (= |old(~a25~0)| 1))) (.cse2 (<= ~a19~0 0)) (.cse3 (not (= ~a28~0 11)))) (or (and .cse0 .cse1 .cse2 (<= ~a17~0 7) .cse3) (not (<= |old(~a28~0)| 7)) (not (<= |old(~a17~0)| 8)) (and .cse0 .cse1 .cse4 .cse5 .cse3) (and .cse1 .cse4 .cse6 (<= ~a28~0 7) .cse5) (not (= |old(~a19~0)| 1)) (not (<= 8 |old(~a17~0)|)) (and (= ~a28~0 |old(~a28~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) .cse7 .cse5 (= ~a19~0 |old(~a19~0)|)) (and .cse1 .cse4 .cse7 .cse6 .cse5) (and .cse1 (= ~a17~0 |old(~a17~0)|) .cse2 .cse3))) [2020-09-04 13:34:37,834 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-09-04 13:34:37,834 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-09-04 13:34:37,834 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (not (= ~a28~0 ~a17~0))) (.cse4 (= ~a19~0 1)) (.cse7 (<= 8 ~a17~0)) (.cse6 (= ~a25~0 1)) (.cse5 (<= ~a17~0 8)) (.cse1 (not (= |old(~a25~0)| 1))) (.cse2 (<= ~a19~0 0)) (.cse3 (not (= ~a28~0 11)))) (or (and .cse0 .cse1 .cse2 (<= ~a17~0 7) .cse3) (not (<= |old(~a28~0)| 7)) (not (<= |old(~a17~0)| 8)) (and .cse0 .cse1 .cse4 .cse5 .cse3) (and .cse1 .cse4 .cse6 (<= ~a28~0 7) .cse5) (not (= |old(~a19~0)| 1)) (not (<= 8 |old(~a17~0)|)) (and (= ~a28~0 |old(~a28~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) .cse7 .cse5 (= ~a19~0 |old(~a19~0)|)) (and .cse1 .cse4 .cse7 .cse6 .cse5) (and .cse1 (= ~a17~0 |old(~a17~0)|) .cse2 .cse3))) [2020-09-04 13:34:37,834 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-09-04 13:34:37,834 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-09-04 13:34:37,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.09 01:34:37 BoogieIcfgContainer [2020-09-04 13:34:37,861 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-04 13:34:37,863 INFO L168 Benchmark]: Toolchain (without parser) took 21710.50 ms. Allocated memory was 140.0 MB in the beginning and 500.7 MB in the end (delta: 360.7 MB). Free memory was 100.1 MB in the beginning and 287.5 MB in the end (delta: -187.4 MB). Peak memory consumption was 369.7 MB. Max. memory is 7.1 GB. [2020-09-04 13:34:37,864 INFO L168 Benchmark]: CDTParser took 0.60 ms. Allocated memory is still 140.0 MB. Free memory was 120.3 MB in the beginning and 120.0 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-04 13:34:37,865 INFO L168 Benchmark]: CACSL2BoogieTranslator took 799.75 ms. Allocated memory was 140.0 MB in the beginning and 205.5 MB in the end (delta: 65.5 MB). Free memory was 99.9 MB in the beginning and 172.5 MB in the end (delta: -72.6 MB). Peak memory consumption was 33.2 MB. Max. memory is 7.1 GB. [2020-09-04 13:34:37,865 INFO L168 Benchmark]: Boogie Preprocessor took 106.55 ms. Allocated memory is still 205.5 MB. Free memory was 172.5 MB in the beginning and 167.7 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2020-09-04 13:34:37,866 INFO L168 Benchmark]: RCFGBuilder took 1280.55 ms. Allocated memory was 205.5 MB in the beginning and 239.1 MB in the end (delta: 33.6 MB). Free memory was 167.7 MB in the beginning and 183.4 MB in the end (delta: -15.7 MB). Peak memory consumption was 83.0 MB. Max. memory is 7.1 GB. [2020-09-04 13:34:37,867 INFO L168 Benchmark]: TraceAbstraction took 19518.13 ms. Allocated memory was 239.1 MB in the beginning and 500.7 MB in the end (delta: 261.6 MB). Free memory was 183.4 MB in the beginning and 287.5 MB in the end (delta: -104.1 MB). Peak memory consumption was 353.9 MB. Max. memory is 7.1 GB. [2020-09-04 13:34:37,871 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.60 ms. Allocated memory is still 140.0 MB. Free memory was 120.3 MB in the beginning and 120.0 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 799.75 ms. Allocated memory was 140.0 MB in the beginning and 205.5 MB in the end (delta: 65.5 MB). Free memory was 99.9 MB in the beginning and 172.5 MB in the end (delta: -72.6 MB). Peak memory consumption was 33.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 106.55 ms. Allocated memory is still 205.5 MB. Free memory was 172.5 MB in the beginning and 167.7 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1280.55 ms. Allocated memory was 205.5 MB in the beginning and 239.1 MB in the end (delta: 33.6 MB). Free memory was 167.7 MB in the beginning and 183.4 MB in the end (delta: -15.7 MB). Peak memory consumption was 83.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 19518.13 ms. Allocated memory was 239.1 MB in the beginning and 500.7 MB in the end (delta: 261.6 MB). Free memory was 183.4 MB in the beginning and 287.5 MB in the end (delta: -104.1 MB). Peak memory consumption was 353.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 517]: 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: 606]: Loop Invariant Derived loop invariant: ((((((((((((!(a28 == a17) && !(\old(a25) == 1)) && a19 <= 0) && a17 <= 7) && !(a28 == 11)) || !(\old(a28) <= 7)) || !(\old(a17) <= 8)) || ((((!(a28 == a17) && !(\old(a25) == 1)) && a19 == 1) && a17 <= 8) && !(a28 == 11))) || ((((!(\old(a25) == 1) && a19 == 1) && a25 == 1) && a28 <= 7) && a17 <= 8)) || !(\old(a19) == 1)) || !(8 <= \old(a17))) || (((((a28 == \old(a28) && a11 == \old(a11)) && a25 == \old(a25)) && 8 <= a17) && a17 <= 8) && a19 == \old(a19))) || ((((!(\old(a25) == 1) && a19 == 1) && 8 <= a17) && a25 == 1) && a17 <= 8)) || (((!(\old(a25) == 1) && a17 == \old(a17)) && a19 <= 0) && !(a28 == 11)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 16.7s, OverallIterations: 7, TraceHistogramMax: 4, AutomataDifference: 11.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 425 SDtfs, 4165 SDslu, 307 SDs, 0 SdLazy, 6605 SolverSat, 1305 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 799 GetRequests, 731 SyntacticMatches, 1 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1682occurred 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: 0.3s AutomataMinimizationTime, 7 MinimizatonAttempts, 226 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 56 PreInvPairs, 90 NumberOfFragments, 542 HoareAnnotationTreeSize, 56 FomulaSimplifications, 19728 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1857 FormulaSimplificationTreeSizeReductionInter, 1.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 1796 NumberOfCodeBlocks, 1796 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1785 ConstructedInterpolants, 0 QuantifiedInterpolants, 862523 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1725 ConjunctsInSsa, 26 ConjunctsInUnsatCore, 11 InterpolantComputations, 5 PerfectInterpolantSequences, 532/555 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...