/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/Problem01_label11.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 12:04:41,587 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 12:04:41,589 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 12:04:41,601 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 12:04:41,601 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 12:04:41,602 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 12:04:41,603 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 12:04:41,605 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 12:04:41,607 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 12:04:41,608 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 12:04:41,608 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 12:04:41,610 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 12:04:41,610 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 12:04:41,611 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 12:04:41,612 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 12:04:41,613 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 12:04:41,614 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 12:04:41,614 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 12:04:41,616 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 12:04:41,618 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 12:04:41,619 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 12:04:41,620 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 12:04:41,621 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 12:04:41,622 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 12:04:41,624 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-17 12:04:41,631 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 12:04:41,632 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 12:04:41,633 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 12:04:41,634 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-17 12:04:41,647 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 12:04:41,648 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 12:04:41,649 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-17 12:04:41,649 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-17 12:04:41,649 INFO L138 SettingsManager]: * Use SBE=true [2020-07-17 12:04:41,649 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 12:04:41,650 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 12:04:41,650 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 12:04:41,650 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 12:04:41,650 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 12:04:41,650 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 12:04:41,650 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 12:04:41,651 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 12:04:41,651 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 12:04:41,651 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 12:04:41,651 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 12:04:41,651 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 12:04:41,652 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 12:04:41,652 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-17 12:04:41,652 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 12:04:41,652 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 12:04:41,652 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 12:04:41,653 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 12:04:41,653 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-17 12:04:41,653 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-17 12:04:41,653 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-17 12:04:41,653 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-17 12:04:41,653 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 12:04:41,654 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-17 12:04:41,654 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-17 12:04:41,915 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 12:04:41,932 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 12:04:41,937 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 12:04:41,938 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 12:04:41,938 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 12:04:41,939 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label11.c [2020-07-17 12:04:42,017 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4811aa2d/7dbcb00facec46209da55dec01dd880d/FLAG984e4ae32 [2020-07-17 12:04:42,593 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 12:04:42,593 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label11.c [2020-07-17 12:04:42,603 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4811aa2d/7dbcb00facec46209da55dec01dd880d/FLAG984e4ae32 [2020-07-17 12:04:42,819 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4811aa2d/7dbcb00facec46209da55dec01dd880d [2020-07-17 12:04:42,828 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 12:04:42,831 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 12:04:42,832 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 12:04:42,832 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 12:04:42,835 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 12:04:42,836 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 12:04:42" (1/1) ... [2020-07-17 12:04:42,839 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@763d9581 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:04:42, skipping insertion in model container [2020-07-17 12:04:42,839 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 12:04:42" (1/1) ... [2020-07-17 12:04:42,846 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 12:04:42,893 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 12:04:43,285 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 12:04:43,290 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 12:04:43,559 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 12:04:43,584 INFO L208 MainTranslator]: Completed translation [2020-07-17 12:04:43,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:04:43 WrapperNode [2020-07-17 12:04:43,584 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 12:04:43,585 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 12:04:43,586 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 12:04:43,586 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 12:04:43,605 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:04:43" (1/1) ... [2020-07-17 12:04:43,608 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:04:43" (1/1) ... [2020-07-17 12:04:43,652 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:04:43" (1/1) ... [2020-07-17 12:04:43,652 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:04:43" (1/1) ... [2020-07-17 12:04:43,703 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:04:43" (1/1) ... [2020-07-17 12:04:43,716 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:04:43" (1/1) ... [2020-07-17 12:04:43,726 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:04:43" (1/1) ... [2020-07-17 12:04:43,734 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 12:04:43,734 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 12:04:43,734 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 12:04:43,735 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 12:04:43,735 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:04:43" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 12:04:43,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 12:04:43,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 12:04:43,799 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-17 12:04:43,800 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 12:04:43,800 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-17 12:04:43,800 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 12:04:43,800 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 12:04:43,800 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-17 12:04:43,800 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 12:04:43,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 12:04:43,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 12:04:44,889 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 12:04:44,890 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-17 12:04:44,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 12:04:44 BoogieIcfgContainer [2020-07-17 12:04:44,900 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 12:04:44,902 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 12:04:44,903 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 12:04:44,905 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 12:04:44,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 12:04:42" (1/3) ... [2020-07-17 12:04:44,907 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69a25321 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 12:04:44, skipping insertion in model container [2020-07-17 12:04:44,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:04:43" (2/3) ... [2020-07-17 12:04:44,907 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69a25321 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 12:04:44, skipping insertion in model container [2020-07-17 12:04:44,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 12:04:44" (3/3) ... [2020-07-17 12:04:44,911 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label11.c [2020-07-17 12:04:44,922 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-17 12:04:44,932 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 12:04:44,946 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 12:04:44,980 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 12:04:44,981 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 12:04:44,981 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-17 12:04:44,982 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 12:04:44,982 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 12:04:44,982 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 12:04:44,982 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 12:04:44,982 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 12:04:45,012 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-07-17 12:04:45,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-07-17 12:04:45,038 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:04:45,041 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] [2020-07-17 12:04:45,041 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:04:45,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:04:45,049 INFO L82 PathProgramCache]: Analyzing trace with hash -1377016033, now seen corresponding path program 1 times [2020-07-17 12:04:45,061 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:04:45,061 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964083712] [2020-07-17 12:04:45,062 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:04:45,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:04:45,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:04:45,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 12:04:45,673 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964083712] [2020-07-17 12:04:45,673 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 12:04:45,674 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-17 12:04:45,675 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191484544] [2020-07-17 12:04:45,680 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-17 12:04:45,680 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:04:45,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-17 12:04:45,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-17 12:04:45,697 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 4 states. [2020-07-17 12:04:47,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:04:47,031 INFO L93 Difference]: Finished difference Result 569 states and 967 transitions. [2020-07-17 12:04:47,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-17 12:04:47,033 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 115 [2020-07-17 12:04:47,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:04:47,048 INFO L225 Difference]: With dead ends: 569 [2020-07-17 12:04:47,049 INFO L226 Difference]: Without dead ends: 286 [2020-07-17 12:04:47,056 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-17 12:04:47,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2020-07-17 12:04:47,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 282. [2020-07-17 12:04:47,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2020-07-17 12:04:47,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 404 transitions. [2020-07-17 12:04:47,133 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 404 transitions. Word has length 115 [2020-07-17 12:04:47,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:04:47,134 INFO L479 AbstractCegarLoop]: Abstraction has 282 states and 404 transitions. [2020-07-17 12:04:47,134 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-17 12:04:47,134 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 404 transitions. [2020-07-17 12:04:47,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-07-17 12:04:47,138 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:04:47,138 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 12:04:47,139 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 12:04:47,139 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:04:47,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:04:47,139 INFO L82 PathProgramCache]: Analyzing trace with hash -698962844, now seen corresponding path program 1 times [2020-07-17 12:04:47,140 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:04:47,140 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147698110] [2020-07-17 12:04:47,140 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:04:47,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:04:47,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:04:47,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:04:47,402 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 12:04:47,403 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147698110] [2020-07-17 12:04:47,403 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1415332104] [2020-07-17 12:04:47,403 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 12:04:47,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:04:47,494 INFO L264 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-17 12:04:47,505 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 12:04:47,586 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 12:04:47,587 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-17 12:04:47,587 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 7 [2020-07-17 12:04:47,588 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044014077] [2020-07-17 12:04:47,589 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-17 12:04:47,589 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:04:47,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-17 12:04:47,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-17 12:04:47,590 INFO L87 Difference]: Start difference. First operand 282 states and 404 transitions. Second operand 3 states. [2020-07-17 12:04:48,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:04:48,122 INFO L93 Difference]: Finished difference Result 832 states and 1211 transitions. [2020-07-17 12:04:48,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-17 12:04:48,122 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 123 [2020-07-17 12:04:48,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:04:48,128 INFO L225 Difference]: With dead ends: 832 [2020-07-17 12:04:48,128 INFO L226 Difference]: Without dead ends: 556 [2020-07-17 12:04:48,130 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-17 12:04:48,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 556 states. [2020-07-17 12:04:48,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 556 to 419. [2020-07-17 12:04:48,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 419 states. [2020-07-17 12:04:48,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 587 transitions. [2020-07-17 12:04:48,180 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 587 transitions. Word has length 123 [2020-07-17 12:04:48,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:04:48,181 INFO L479 AbstractCegarLoop]: Abstraction has 419 states and 587 transitions. [2020-07-17 12:04:48,181 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-17 12:04:48,182 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 587 transitions. [2020-07-17 12:04:48,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-07-17 12:04:48,193 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:04:48,194 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-17 12:04:48,409 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-07-17 12:04:48,410 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:04:48,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:04:48,411 INFO L82 PathProgramCache]: Analyzing trace with hash -1300380632, now seen corresponding path program 1 times [2020-07-17 12:04:48,411 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:04:48,412 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435916650] [2020-07-17 12:04:48,412 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:04:48,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:04:48,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:04:48,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:04:48,587 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 12:04:48,588 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435916650] [2020-07-17 12:04:48,590 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 12:04:48,596 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-17 12:04:48,597 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472059045] [2020-07-17 12:04:48,599 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-17 12:04:48,600 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:04:48,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-17 12:04:48,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-17 12:04:48,602 INFO L87 Difference]: Start difference. First operand 419 states and 587 transitions. Second operand 8 states. [2020-07-17 12:04:49,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:04:49,971 INFO L93 Difference]: Finished difference Result 1273 states and 1865 transitions. [2020-07-17 12:04:49,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-17 12:04:49,971 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 125 [2020-07-17 12:04:49,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:04:49,978 INFO L225 Difference]: With dead ends: 1273 [2020-07-17 12:04:49,978 INFO L226 Difference]: Without dead ends: 860 [2020-07-17 12:04:49,979 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-07-17 12:04:49,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 860 states. [2020-07-17 12:04:50,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 860 to 836. [2020-07-17 12:04:50,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 836 states. [2020-07-17 12:04:50,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 836 states to 836 states and 1185 transitions. [2020-07-17 12:04:50,038 INFO L78 Accepts]: Start accepts. Automaton has 836 states and 1185 transitions. Word has length 125 [2020-07-17 12:04:50,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:04:50,039 INFO L479 AbstractCegarLoop]: Abstraction has 836 states and 1185 transitions. [2020-07-17 12:04:50,039 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-17 12:04:50,039 INFO L276 IsEmpty]: Start isEmpty. Operand 836 states and 1185 transitions. [2020-07-17 12:04:50,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-07-17 12:04:50,042 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:04:50,042 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-17 12:04:50,043 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-17 12:04:50,043 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:04:50,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:04:50,043 INFO L82 PathProgramCache]: Analyzing trace with hash 860697510, now seen corresponding path program 1 times [2020-07-17 12:04:50,044 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:04:50,044 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370664933] [2020-07-17 12:04:50,044 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:04:50,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:04:50,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:04:50,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:04:50,320 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 12:04:50,321 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370664933] [2020-07-17 12:04:50,321 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [383996335] [2020-07-17 12:04:50,322 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 12:04:50,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:04:50,403 INFO L264 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-17 12:04:50,408 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 12:04:50,443 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 12:04:50,444 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-17 12:04:50,444 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2020-07-17 12:04:50,444 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062130673] [2020-07-17 12:04:50,445 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-17 12:04:50,445 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:04:50,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-17 12:04:50,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-17 12:04:50,446 INFO L87 Difference]: Start difference. First operand 836 states and 1185 transitions. Second operand 3 states. [2020-07-17 12:04:51,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:04:51,039 INFO L93 Difference]: Finished difference Result 2218 states and 3205 transitions. [2020-07-17 12:04:51,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-17 12:04:51,043 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 126 [2020-07-17 12:04:51,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:04:51,056 INFO L225 Difference]: With dead ends: 2218 [2020-07-17 12:04:51,057 INFO L226 Difference]: Without dead ends: 1388 [2020-07-17 12:04:51,059 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-17 12:04:51,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1388 states. [2020-07-17 12:04:51,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1388 to 1251. [2020-07-17 12:04:51,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1251 states. [2020-07-17 12:04:51,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1251 states to 1251 states and 1644 transitions. [2020-07-17 12:04:51,134 INFO L78 Accepts]: Start accepts. Automaton has 1251 states and 1644 transitions. Word has length 126 [2020-07-17 12:04:51,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:04:51,137 INFO L479 AbstractCegarLoop]: Abstraction has 1251 states and 1644 transitions. [2020-07-17 12:04:51,137 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-17 12:04:51,137 INFO L276 IsEmpty]: Start isEmpty. Operand 1251 states and 1644 transitions. [2020-07-17 12:04:51,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-07-17 12:04:51,146 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:04:51,146 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, 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] [2020-07-17 12:04:51,360 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 12:04:51,361 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:04:51,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:04:51,362 INFO L82 PathProgramCache]: Analyzing trace with hash -469327528, now seen corresponding path program 1 times [2020-07-17 12:04:51,363 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:04:51,363 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137529923] [2020-07-17 12:04:51,364 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:04:51,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:04:51,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:04:51,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:04:51,570 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 30 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 12:04:51,571 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137529923] [2020-07-17 12:04:51,571 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [659446486] [2020-07-17 12:04:51,572 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 12:04:51,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:04:51,695 INFO L264 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-17 12:04:51,715 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 12:04:51,783 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 12:04:51,783 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-17 12:04:51,784 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 6 [2020-07-17 12:04:51,784 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509126123] [2020-07-17 12:04:51,785 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-17 12:04:51,785 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:04:51,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-17 12:04:51,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-17 12:04:51,786 INFO L87 Difference]: Start difference. First operand 1251 states and 1644 transitions. Second operand 3 states. [2020-07-17 12:04:52,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:04:52,477 INFO L93 Difference]: Finished difference Result 3463 states and 4688 transitions. [2020-07-17 12:04:52,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-17 12:04:52,477 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 149 [2020-07-17 12:04:52,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:04:52,490 INFO L225 Difference]: With dead ends: 3463 [2020-07-17 12:04:52,490 INFO L226 Difference]: Without dead ends: 2218 [2020-07-17 12:04:52,493 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-17 12:04:52,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2218 states. [2020-07-17 12:04:52,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2218 to 2081. [2020-07-17 12:04:52,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2081 states. [2020-07-17 12:04:52,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2081 states to 2081 states and 2764 transitions. [2020-07-17 12:04:52,565 INFO L78 Accepts]: Start accepts. Automaton has 2081 states and 2764 transitions. Word has length 149 [2020-07-17 12:04:52,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:04:52,565 INFO L479 AbstractCegarLoop]: Abstraction has 2081 states and 2764 transitions. [2020-07-17 12:04:52,565 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-17 12:04:52,565 INFO L276 IsEmpty]: Start isEmpty. Operand 2081 states and 2764 transitions. [2020-07-17 12:04:52,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-07-17 12:04:52,572 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:04:52,573 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 12:04:52,786 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 12:04:52,787 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:04:52,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:04:52,788 INFO L82 PathProgramCache]: Analyzing trace with hash 974025645, now seen corresponding path program 1 times [2020-07-17 12:04:52,789 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:04:52,790 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096744141] [2020-07-17 12:04:52,790 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:04:52,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:04:52,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:04:52,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:04:52,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:04:52,965 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 57 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-17 12:04:52,966 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096744141] [2020-07-17 12:04:52,966 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1869352811] [2020-07-17 12:04:52,966 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 12:04:53,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:04:53,100 INFO L264 TraceCheckSpWp]: Trace formula consists of 449 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-17 12:04:53,108 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 12:04:53,215 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 58 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 12:04:53,216 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 12:04:53,216 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-07-17 12:04:53,217 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137910565] [2020-07-17 12:04:53,219 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-17 12:04:53,219 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:04:53,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-17 12:04:53,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-07-17 12:04:53,221 INFO L87 Difference]: Start difference. First operand 2081 states and 2764 transitions. Second operand 10 states. [2020-07-17 12:04:53,421 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2020-07-17 12:04:56,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:04:56,022 INFO L93 Difference]: Finished difference Result 4969 states and 6964 transitions. [2020-07-17 12:04:56,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-07-17 12:04:56,023 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 165 [2020-07-17 12:04:56,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:04:56,023 INFO L225 Difference]: With dead ends: 4969 [2020-07-17 12:04:56,024 INFO L226 Difference]: Without dead ends: 0 [2020-07-17 12:04:56,037 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 175 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 192 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=195, Invalid=735, Unknown=0, NotChecked=0, Total=930 [2020-07-17 12:04:56,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-17 12:04:56,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-17 12:04:56,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-17 12:04:56,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-17 12:04:56,039 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 165 [2020-07-17 12:04:56,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:04:56,039 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-17 12:04:56,039 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-17 12:04:56,039 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-17 12:04:56,040 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 12:04:56,254 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 12:04:56,257 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-17 12:04:57,189 WARN L193 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 46 [2020-07-17 12:04:57,355 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 33 [2020-07-17 12:04:57,481 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 33 [2020-07-17 12:04:57,484 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-17 12:04:57,485 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= ~z~0 |old(~z~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~a7~0 |old(~a7~0)|) (= ~v~0 |old(~v~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|) (= ~y~0 |old(~y~0)|) (= ~f~0 |old(~f~0)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~b~0 |old(~b~0)|) (= ~a20~0 |old(~a20~0)|) (= ~d~0 |old(~d~0)|)) [2020-07-17 12:04:57,485 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-17 12:04:57,485 INFO L268 CegarLoopResult]: For program point L333(lines 333 390) no Hoare annotation was computed. [2020-07-17 12:04:57,485 INFO L268 CegarLoopResult]: For program point L102(lines 102 390) no Hoare annotation was computed. [2020-07-17 12:04:57,485 INFO L268 CegarLoopResult]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:04:57,485 INFO L268 CegarLoopResult]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:04:57,486 INFO L268 CegarLoopResult]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:04:57,486 INFO L268 CegarLoopResult]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:04:57,486 INFO L268 CegarLoopResult]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:04:57,486 INFO L268 CegarLoopResult]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:04:57,486 INFO L268 CegarLoopResult]: For program point L268(lines 268 390) no Hoare annotation was computed. [2020-07-17 12:04:57,486 INFO L268 CegarLoopResult]: For program point L136(lines 136 390) no Hoare annotation was computed. [2020-07-17 12:04:57,487 INFO L268 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-07-17 12:04:57,487 INFO L268 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-07-17 12:04:57,487 INFO L268 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-07-17 12:04:57,487 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-07-17 12:04:57,487 INFO L268 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-07-17 12:04:57,488 INFO L268 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2020-07-17 12:04:57,488 INFO L268 CegarLoopResult]: For program point L203(lines 203 390) no Hoare annotation was computed. [2020-07-17 12:04:57,488 INFO L268 CegarLoopResult]: For program point L72(lines 72 390) no Hoare annotation was computed. [2020-07-17 12:04:57,488 INFO L268 CegarLoopResult]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:04:57,488 INFO L268 CegarLoopResult]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:04:57,489 INFO L268 CegarLoopResult]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:04:57,489 INFO L268 CegarLoopResult]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:04:57,489 INFO L268 CegarLoopResult]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:04:57,489 INFO L268 CegarLoopResult]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:04:57,489 INFO L268 CegarLoopResult]: For program point L337(lines 337 390) no Hoare annotation was computed. [2020-07-17 12:04:57,489 INFO L268 CegarLoopResult]: For program point L238(lines 238 390) no Hoare annotation was computed. [2020-07-17 12:04:57,489 INFO L268 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-07-17 12:04:57,489 INFO L268 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-07-17 12:04:57,490 INFO L268 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-07-17 12:04:57,490 INFO L268 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-07-17 12:04:57,490 INFO L268 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-07-17 12:04:57,490 INFO L268 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2020-07-17 12:04:57,490 INFO L268 CegarLoopResult]: For program point L173(lines 173 390) no Hoare annotation was computed. [2020-07-17 12:04:57,490 INFO L268 CegarLoopResult]: For program point L140(lines 140 390) no Hoare annotation was computed. [2020-07-17 12:04:57,490 INFO L268 CegarLoopResult]: For program point L372(lines 372 390) no Hoare annotation was computed. [2020-07-17 12:04:57,491 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 503) no Hoare annotation was computed. [2020-07-17 12:04:57,491 INFO L268 CegarLoopResult]: For program point L306(lines 306 390) no Hoare annotation was computed. [2020-07-17 12:04:57,491 INFO L268 CegarLoopResult]: For program point L273(lines 273 390) no Hoare annotation was computed. [2020-07-17 12:04:57,491 INFO L268 CegarLoopResult]: For program point L108(lines 108 390) no Hoare annotation was computed. [2020-07-17 12:04:57,491 INFO L268 CegarLoopResult]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2020-07-17 12:04:57,491 INFO L268 CegarLoopResult]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:04:57,491 INFO L268 CegarLoopResult]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:04:57,491 INFO L268 CegarLoopResult]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:04:57,492 INFO L268 CegarLoopResult]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:04:57,492 INFO L268 CegarLoopResult]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:04:57,492 INFO L268 CegarLoopResult]: For program point L208(lines 208 390) no Hoare annotation was computed. [2020-07-17 12:04:57,492 INFO L268 CegarLoopResult]: For program point L43(lines 43 390) no Hoare annotation was computed. [2020-07-17 12:04:57,492 INFO L268 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-07-17 12:04:57,492 INFO L268 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-07-17 12:04:57,492 INFO L268 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-07-17 12:04:57,493 INFO L268 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-07-17 12:04:57,493 INFO L268 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-07-17 12:04:57,493 INFO L268 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2020-07-17 12:04:57,493 INFO L268 CegarLoopResult]: For program point L144(lines 144 390) no Hoare annotation was computed. [2020-07-17 12:04:57,493 INFO L268 CegarLoopResult]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:04:57,493 INFO L268 CegarLoopResult]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:04:57,493 INFO L268 CegarLoopResult]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:04:57,493 INFO L268 CegarLoopResult]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:04:57,494 INFO L268 CegarLoopResult]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:04:57,494 INFO L268 CegarLoopResult]: For program point L178(lines 178 390) no Hoare annotation was computed. [2020-07-17 12:04:57,494 INFO L268 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-07-17 12:04:57,494 INFO L268 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-07-17 12:04:57,494 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-07-17 12:04:57,494 INFO L268 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-07-17 12:04:57,494 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-07-17 12:04:57,495 INFO L268 CegarLoopResult]: For program point L377(lines 377 390) no Hoare annotation was computed. [2020-07-17 12:04:57,495 INFO L268 CegarLoopResult]: For program point L278(lines 278 390) no Hoare annotation was computed. [2020-07-17 12:04:57,495 INFO L268 CegarLoopResult]: For program point L245(lines 245 390) no Hoare annotation was computed. [2020-07-17 12:04:57,495 INFO L268 CegarLoopResult]: For program point L80(lines 80 390) no Hoare annotation was computed. [2020-07-17 12:04:57,495 INFO L268 CegarLoopResult]: For program point L345(lines 345 390) no Hoare annotation was computed. [2020-07-17 12:04:57,495 INFO L268 CegarLoopResult]: For program point L312(lines 312 390) no Hoare annotation was computed. [2020-07-17 12:04:57,495 INFO L268 CegarLoopResult]: For program point L114(lines 114 390) no Hoare annotation was computed. [2020-07-17 12:04:57,495 INFO L268 CegarLoopResult]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:04:57,496 INFO L268 CegarLoopResult]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:04:57,496 INFO L268 CegarLoopResult]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:04:57,496 INFO L268 CegarLoopResult]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:04:57,496 INFO L268 CegarLoopResult]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:04:57,496 INFO L268 CegarLoopResult]: For program point L214(lines 214 390) no Hoare annotation was computed. [2020-07-17 12:04:57,496 INFO L268 CegarLoopResult]: For program point L148(lines 148 390) no Hoare annotation was computed. [2020-07-17 12:04:57,496 INFO L268 CegarLoopResult]: For program point L49(lines 49 390) no Hoare annotation was computed. [2020-07-17 12:04:57,497 INFO L268 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-07-17 12:04:57,497 INFO L268 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-07-17 12:04:57,497 INFO L268 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-07-17 12:04:57,497 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-07-17 12:04:57,497 INFO L268 CegarLoopResult]: For program point L413(line 413) no Hoare annotation was computed. [2020-07-17 12:04:57,497 INFO L268 CegarLoopResult]: For program point L84(lines 84 390) no Hoare annotation was computed. [2020-07-17 12:04:57,497 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:04:57,497 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:04:57,498 INFO L268 CegarLoopResult]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:04:57,498 INFO L268 CegarLoopResult]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:04:57,498 INFO L268 CegarLoopResult]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:04:57,498 INFO L268 CegarLoopResult]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:04:57,498 INFO L268 CegarLoopResult]: For program point L382(lines 382 390) no Hoare annotation was computed. [2020-07-17 12:04:57,498 INFO L268 CegarLoopResult]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:04:57,498 INFO L268 CegarLoopResult]: For program point L316(lines 316 390) no Hoare annotation was computed. [2020-07-17 12:04:57,498 INFO L268 CegarLoopResult]: For program point L250(lines 250 390) no Hoare annotation was computed. [2020-07-17 12:04:57,499 INFO L268 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-07-17 12:04:57,499 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-07-17 12:04:57,499 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-07-17 12:04:57,499 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-07-17 12:04:57,499 INFO L268 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed. [2020-07-17 12:04:57,499 INFO L268 CegarLoopResult]: For program point L218(lines 218 390) no Hoare annotation was computed. [2020-07-17 12:04:57,499 INFO L268 CegarLoopResult]: For program point L152(lines 152 390) no Hoare annotation was computed. [2020-07-17 12:04:57,500 INFO L268 CegarLoopResult]: For program point L119(lines 119 390) no Hoare annotation was computed. [2020-07-17 12:04:57,500 INFO L268 CegarLoopResult]: For program point L318(lines 318 390) no Hoare annotation was computed. [2020-07-17 12:04:57,500 INFO L268 CegarLoopResult]: For program point L186(lines 186 390) no Hoare annotation was computed. [2020-07-17 12:04:57,500 INFO L268 CegarLoopResult]: For program point L54(lines 54 390) no Hoare annotation was computed. [2020-07-17 12:04:57,500 INFO L268 CegarLoopResult]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:04:57,500 INFO L268 CegarLoopResult]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:04:57,500 INFO L268 CegarLoopResult]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:04:57,500 INFO L268 CegarLoopResult]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:04:57,501 INFO L268 CegarLoopResult]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:04:57,501 INFO L268 CegarLoopResult]: For program point L286(lines 286 390) no Hoare annotation was computed. [2020-07-17 12:04:57,501 INFO L268 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-07-17 12:04:57,501 INFO L268 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-07-17 12:04:57,501 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-07-17 12:04:57,501 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-07-17 12:04:57,501 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-07-17 12:04:57,502 INFO L268 CegarLoopResult]: For program point L353(lines 353 390) no Hoare annotation was computed. [2020-07-17 12:04:57,502 INFO L268 CegarLoopResult]: For program point L189(lines 189 390) no Hoare annotation was computed. [2020-07-17 12:04:57,502 INFO L268 CegarLoopResult]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:04:57,502 INFO L268 CegarLoopResult]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:04:57,502 INFO L268 CegarLoopResult]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:04:57,502 INFO L268 CegarLoopResult]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:04:57,502 INFO L268 CegarLoopResult]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:04:57,502 INFO L268 CegarLoopResult]: For program point L355(lines 355 390) no Hoare annotation was computed. [2020-07-17 12:04:57,503 INFO L268 CegarLoopResult]: For program point L256(lines 256 390) no Hoare annotation was computed. [2020-07-17 12:04:57,503 INFO L268 CegarLoopResult]: For program point L223(lines 223 390) no Hoare annotation was computed. [2020-07-17 12:04:57,503 INFO L268 CegarLoopResult]: For program point L124(lines 124 390) no Hoare annotation was computed. [2020-07-17 12:04:57,503 INFO L268 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-07-17 12:04:57,503 INFO L268 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-07-17 12:04:57,503 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-07-17 12:04:57,503 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-07-17 12:04:57,503 INFO L268 CegarLoopResult]: For program point L422(line 422) no Hoare annotation was computed. [2020-07-17 12:04:57,504 INFO L268 CegarLoopResult]: For program point L92(lines 92 390) no Hoare annotation was computed. [2020-07-17 12:04:57,504 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse5 (= |old(~a7~0)| |old(~a20~0)|)) (.cse3 (not (<= |old(~a17~0)| 0))) (.cse0 (not (= 1 |old(~a20~0)|))) (.cse4 (not (<= |old(~a16~0)| 5))) (.cse1 (not (<= |old(~a8~0)| 13))) (.cse2 (and (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a21~0 |old(~a21~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse5 .cse2) (or (not (<= |old(~a20~0)| 0)) .cse2) (or .cse0 .cse5 .cse2) (or .cse0 .cse4 (not (<= 5 |old(~a16~0)|)) .cse2 .cse3) (or .cse0 .cse4 .cse1 .cse2))) [2020-07-17 12:04:57,504 INFO L268 CegarLoopResult]: For program point L324(lines 324 390) no Hoare annotation was computed. [2020-07-17 12:04:57,504 INFO L268 CegarLoopResult]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:04:57,504 INFO L268 CegarLoopResult]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:04:57,504 INFO L268 CegarLoopResult]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:04:57,505 INFO L268 CegarLoopResult]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:04:57,505 INFO L268 CegarLoopResult]: For program point L391(lines 391 393) no Hoare annotation was computed. [2020-07-17 12:04:57,505 INFO L268 CegarLoopResult]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:04:57,505 INFO L268 CegarLoopResult]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:04:57,505 INFO L268 CegarLoopResult]: For program point L292(lines 292 390) no Hoare annotation was computed. [2020-07-17 12:04:57,505 INFO L268 CegarLoopResult]: For program point L160(lines 160 390) no Hoare annotation was computed. [2020-07-17 12:04:57,505 INFO L268 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-07-17 12:04:57,505 INFO L268 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-07-17 12:04:57,505 INFO L268 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-07-17 12:04:57,506 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-07-17 12:04:57,506 INFO L268 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-07-17 12:04:57,506 INFO L268 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2020-07-17 12:04:57,506 INFO L268 CegarLoopResult]: For program point L194(lines 194 390) no Hoare annotation was computed. [2020-07-17 12:04:57,506 INFO L268 CegarLoopResult]: For program point L62(lines 62 390) no Hoare annotation was computed. [2020-07-17 12:04:57,506 INFO L268 CegarLoopResult]: For program point L261(lines 261 390) no Hoare annotation was computed. [2020-07-17 12:04:57,506 INFO L268 CegarLoopResult]: For program point L129(lines 129 390) no Hoare annotation was computed. [2020-07-17 12:04:57,506 INFO L268 CegarLoopResult]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:04:57,507 INFO L268 CegarLoopResult]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:04:57,507 INFO L268 CegarLoopResult]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:04:57,507 INFO L268 CegarLoopResult]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:04:57,507 INFO L268 CegarLoopResult]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:04:57,507 INFO L268 CegarLoopResult]: For program point L361(lines 361 390) no Hoare annotation was computed. [2020-07-17 12:04:57,507 INFO L268 CegarLoopResult]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:04:57,507 INFO L268 CegarLoopResult]: For program point L97(lines 97 390) no Hoare annotation was computed. [2020-07-17 12:04:57,507 INFO L268 CegarLoopResult]: For program point L31(lines 31 390) no Hoare annotation was computed. [2020-07-17 12:04:57,507 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-07-17 12:04:57,508 INFO L268 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-07-17 12:04:57,508 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-07-17 12:04:57,508 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-07-17 12:04:57,508 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-07-17 12:04:57,508 INFO L268 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2020-07-17 12:04:57,508 INFO L268 CegarLoopResult]: For program point L329(lines 329 390) no Hoare annotation was computed. [2020-07-17 12:04:57,508 INFO L268 CegarLoopResult]: For program point L197(lines 197 390) no Hoare annotation was computed. [2020-07-17 12:04:57,508 INFO L268 CegarLoopResult]: For program point L65(lines 65 390) no Hoare annotation was computed. [2020-07-17 12:04:57,508 INFO L268 CegarLoopResult]: For program point L363(lines 363 390) no Hoare annotation was computed. [2020-07-17 12:04:57,509 INFO L268 CegarLoopResult]: For program point L231(lines 231 390) no Hoare annotation was computed. [2020-07-17 12:04:57,509 INFO L268 CegarLoopResult]: For program point L165(lines 165 390) no Hoare annotation was computed. [2020-07-17 12:04:57,509 INFO L268 CegarLoopResult]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:04:57,509 INFO L268 CegarLoopResult]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:04:57,509 INFO L268 CegarLoopResult]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:04:57,509 INFO L268 CegarLoopResult]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:04:57,509 INFO L268 CegarLoopResult]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:04:57,509 INFO L268 CegarLoopResult]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:04:57,509 INFO L268 CegarLoopResult]: For program point L265(lines 265 390) no Hoare annotation was computed. [2020-07-17 12:04:57,510 INFO L268 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-07-17 12:04:57,510 INFO L268 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-07-17 12:04:57,510 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-07-17 12:04:57,510 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-07-17 12:04:57,510 INFO L268 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-07-17 12:04:57,510 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-07-17 12:04:57,510 INFO L268 CegarLoopResult]: For program point L365(lines 365 390) no Hoare annotation was computed. [2020-07-17 12:04:57,510 INFO L268 CegarLoopResult]: For program point L299(lines 299 390) no Hoare annotation was computed. [2020-07-17 12:04:57,510 INFO L268 CegarLoopResult]: For program point L35(lines 35 390) no Hoare annotation was computed. [2020-07-17 12:04:57,511 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-17 12:04:57,511 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a16~0 5) (<= 5 ~a16~0) (= 1 ~a20~0) (not (= ~a20~0 ~a7~0))) [2020-07-17 12:04:57,511 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-17 12:04:57,511 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-17 12:04:57,511 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= 1 |old(~a20~0)|)) (not (<= |old(~a16~0)| 5)) (= |old(~a7~0)| |old(~a20~0)|) (not (<= 5 |old(~a16~0)|)) (and (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a21~0 |old(~a21~0)|))) [2020-07-17 12:04:57,511 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2020-07-17 12:04:57,512 INFO L264 CegarLoopResult]: At program point L591(line 591) the Hoare annotation is: (let ((.cse4 (not (= ~a20~0 ~a7~0))) (.cse0 (<= ~a17~0 0)) (.cse3 (<= ~a8~0 13)) (.cse1 (<= ~a16~0 5)) (.cse2 (= 1 ~a20~0))) (or (not (= 1 |old(~a20~0)|)) (and .cse0 (<= 5 ~a16~0) .cse1 .cse2) (not (<= |old(~a16~0)| 5)) (= |old(~a7~0)| |old(~a20~0)|) (and .cse3 .cse1 .cse4) (<= ~a20~0 0) (and .cse2 .cse4) (not (<= 5 |old(~a16~0)|)) (and .cse3 .cse0 .cse2) (and .cse3 .cse1 .cse2))) [2020-07-17 12:04:57,512 INFO L268 CegarLoopResult]: For program point L591-1(line 591) no Hoare annotation was computed. [2020-07-17 12:04:57,512 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-07-17 12:04:57,512 INFO L264 CegarLoopResult]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse4 (not (= ~a20~0 ~a7~0))) (.cse0 (<= ~a17~0 0)) (.cse3 (<= ~a8~0 13)) (.cse1 (<= ~a16~0 5)) (.cse2 (= 1 ~a20~0))) (or (not (= 1 |old(~a20~0)|)) (and .cse0 (<= 5 ~a16~0) .cse1 .cse2) (not (<= |old(~a16~0)| 5)) (= |old(~a7~0)| |old(~a20~0)|) (and .cse3 .cse1 .cse4) (<= ~a20~0 0) (and .cse2 .cse4) (not (<= 5 |old(~a16~0)|)) (and .cse3 .cse0 .cse2) (and .cse3 .cse1 .cse2))) [2020-07-17 12:04:57,512 INFO L268 CegarLoopResult]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2020-07-17 12:04:57,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 12:04:57 BoogieIcfgContainer [2020-07-17 12:04:57,532 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 12:04:57,534 INFO L168 Benchmark]: Toolchain (without parser) took 14704.22 ms. Allocated memory was 137.4 MB in the beginning and 436.2 MB in the end (delta: 298.8 MB). Free memory was 100.9 MB in the beginning and 301.3 MB in the end (delta: -200.4 MB). Peak memory consumption was 313.2 MB. Max. memory is 7.1 GB. [2020-07-17 12:04:57,535 INFO L168 Benchmark]: CDTParser took 0.45 ms. Allocated memory is still 137.4 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-17 12:04:57,535 INFO L168 Benchmark]: CACSL2BoogieTranslator took 753.13 ms. Allocated memory was 137.4 MB in the beginning and 204.5 MB in the end (delta: 67.1 MB). Free memory was 100.5 MB in the beginning and 170.7 MB in the end (delta: -70.2 MB). Peak memory consumption was 36.9 MB. Max. memory is 7.1 GB. [2020-07-17 12:04:57,536 INFO L168 Benchmark]: Boogie Preprocessor took 148.50 ms. Allocated memory is still 204.5 MB. Free memory was 170.7 MB in the beginning and 165.7 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2020-07-17 12:04:57,537 INFO L168 Benchmark]: RCFGBuilder took 1166.30 ms. Allocated memory was 204.5 MB in the beginning and 235.9 MB in the end (delta: 31.5 MB). Free memory was 165.7 MB in the beginning and 179.8 MB in the end (delta: -14.1 MB). Peak memory consumption was 84.4 MB. Max. memory is 7.1 GB. [2020-07-17 12:04:57,538 INFO L168 Benchmark]: TraceAbstraction took 12629.40 ms. Allocated memory was 235.9 MB in the beginning and 436.2 MB in the end (delta: 200.3 MB). Free memory was 179.8 MB in the beginning and 301.3 MB in the end (delta: -121.5 MB). Peak memory consumption was 293.5 MB. Max. memory is 7.1 GB. [2020-07-17 12:04:57,542 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45 ms. Allocated memory is still 137.4 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 753.13 ms. Allocated memory was 137.4 MB in the beginning and 204.5 MB in the end (delta: 67.1 MB). Free memory was 100.5 MB in the beginning and 170.7 MB in the end (delta: -70.2 MB). Peak memory consumption was 36.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 148.50 ms. Allocated memory is still 204.5 MB. Free memory was 170.7 MB in the beginning and 165.7 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1166.30 ms. Allocated memory was 204.5 MB in the beginning and 235.9 MB in the end (delta: 31.5 MB). Free memory was 165.7 MB in the beginning and 179.8 MB in the end (delta: -14.1 MB). Peak memory consumption was 84.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 12629.40 ms. Allocated memory was 235.9 MB in the beginning and 436.2 MB in the end (delta: 200.3 MB). Free memory was 179.8 MB in the beginning and 301.3 MB in the end (delta: -121.5 MB). Peak memory consumption was 293.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 503]: 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: 583]: Loop Invariant Derived loop invariant: ((((((((!(1 == \old(a20)) || (((a17 <= 0 && 5 <= a16) && a16 <= 5) && 1 == a20)) || !(\old(a16) <= 5)) || \old(a7) == \old(a20)) || ((a8 <= 13 && a16 <= 5) && !(a20 == a7))) || a20 <= 0) || (1 == a20 && !(a20 == a7))) || !(5 <= \old(a16))) || ((a8 <= 13 && a17 <= 0) && 1 == a20)) || ((a8 <= 13 && a16 <= 5) && 1 == a20) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11.2s, OverallIterations: 6, TraceHistogramMax: 3, AutomataDifference: 7.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 740 SDtfs, 2597 SDslu, 269 SDs, 0 SdLazy, 3851 SolverSat, 800 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 647 GetRequests, 590 SyntacticMatches, 1 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 210 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2081occurred in iteration=5, 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, 6 MinimizatonAttempts, 439 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 81 PreInvPairs, 159 NumberOfFragments, 433 HoareAnnotationTreeSize, 81 FomulaSimplifications, 15892 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2156 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 1366 NumberOfCodeBlocks, 1366 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1356 ConstructedInterpolants, 0 QuantifiedInterpolants, 741766 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1550 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 10 InterpolantComputations, 5 PerfectInterpolantSequences, 205/215 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...