/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/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label46.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 14:40:14,771 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 14:40:14,774 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 14:40:14,792 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 14:40:14,793 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 14:40:14,795 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 14:40:14,797 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 14:40:14,807 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 14:40:14,810 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 14:40:14,813 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 14:40:14,815 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 14:40:14,817 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 14:40:14,818 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 14:40:14,818 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 14:40:14,822 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 14:40:14,823 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 14:40:14,824 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 14:40:14,824 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 14:40:14,827 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 14:40:14,831 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 14:40:14,835 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 14:40:14,836 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 14:40:14,837 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 14:40:14,838 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 14:40:14,840 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-17 14:40:14,840 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-17 14:40:14,840 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-17 14:40:14,843 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-17 14:40:14,843 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-17 14:40:14,844 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-17 14:40:14,845 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-17 14:40:14,845 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-17 14:40:14,846 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-17 14:40:14,847 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-17 14:40:14,849 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-17 14:40:14,849 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-17 14:40:14,851 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-17 14:40:14,852 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-17 14:40:14,852 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 14:40:14,852 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 14:40:14,854 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 14:40:14,854 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-17 14:40:14,863 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 14:40:14,863 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 14:40:14,864 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 14:40:14,865 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 14:40:14,865 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 14:40:14,865 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 14:40:14,865 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 14:40:14,865 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 14:40:14,866 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 14:40:14,866 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 14:40:14,866 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 14:40:14,866 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 14:40:14,866 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 14:40:14,866 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 14:40:14,867 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 14:40:14,867 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-17 14:40:14,867 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 14:40:14,867 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 14:40:14,867 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 14:40:14,868 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 14:40:14,868 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-17 14:40:14,868 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 14:40:14,868 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-17 14:40:15,150 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 14:40:15,168 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 14:40:15,172 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 14:40:15,173 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 14:40:15,173 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 14:40:15,174 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label46.c [2020-07-17 14:40:15,249 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f97b7acb/f7e7c88198dd4b229532ded03db24fac/FLAG82034a460 [2020-07-17 14:40:15,888 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 14:40:15,890 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label46.c [2020-07-17 14:40:15,905 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f97b7acb/f7e7c88198dd4b229532ded03db24fac/FLAG82034a460 [2020-07-17 14:40:16,105 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f97b7acb/f7e7c88198dd4b229532ded03db24fac [2020-07-17 14:40:16,115 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 14:40:16,118 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 14:40:16,119 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 14:40:16,119 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 14:40:16,123 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 14:40:16,124 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 02:40:16" (1/1) ... [2020-07-17 14:40:16,127 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1149129e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 02:40:16, skipping insertion in model container [2020-07-17 14:40:16,127 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 02:40:16" (1/1) ... [2020-07-17 14:40:16,135 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 14:40:16,190 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 14:40:16,584 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 14:40:16,591 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 14:40:16,894 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 14:40:16,912 INFO L208 MainTranslator]: Completed translation [2020-07-17 14:40:16,913 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 02:40:16 WrapperNode [2020-07-17 14:40:16,913 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 14:40:16,914 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 14:40:16,914 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 14:40:16,915 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 14:40:16,931 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 02:40:16" (1/1) ... [2020-07-17 14:40:16,931 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 02:40:16" (1/1) ... [2020-07-17 14:40:16,972 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 02:40:16" (1/1) ... [2020-07-17 14:40:16,973 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 02:40:16" (1/1) ... [2020-07-17 14:40:17,049 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 02:40:16" (1/1) ... [2020-07-17 14:40:17,072 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 02:40:16" (1/1) ... [2020-07-17 14:40:17,084 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 02:40:16" (1/1) ... [2020-07-17 14:40:17,091 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 14:40:17,092 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 14:40:17,092 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 14:40:17,092 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 14:40:17,095 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 02:40:16" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 14:40:17,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 14:40:17,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 14:40:17,171 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-17 14:40:17,171 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 14:40:17,171 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-17 14:40:17,172 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 14:40:17,172 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 14:40:17,172 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-17 14:40:17,172 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 14:40:17,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 14:40:17,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 14:40:18,520 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 14:40:18,521 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-17 14:40:18,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 02:40:18 BoogieIcfgContainer [2020-07-17 14:40:18,528 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 14:40:18,530 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 14:40:18,530 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 14:40:18,533 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 14:40:18,533 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 02:40:16" (1/3) ... [2020-07-17 14:40:18,534 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d249911 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 02:40:18, skipping insertion in model container [2020-07-17 14:40:18,535 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 02:40:16" (2/3) ... [2020-07-17 14:40:18,535 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d249911 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 02:40:18, skipping insertion in model container [2020-07-17 14:40:18,535 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 02:40:18" (3/3) ... [2020-07-17 14:40:18,537 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label46.c [2020-07-17 14:40:18,548 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-17 14:40:18,557 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 14:40:18,571 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 14:40:18,591 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 14:40:18,591 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 14:40:18,591 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-17 14:40:18,591 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 14:40:18,592 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 14:40:18,592 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 14:40:18,592 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 14:40:18,592 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 14:40:18,616 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states. [2020-07-17 14:40:18,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-07-17 14:40:18,627 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 14:40:18,629 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] [2020-07-17 14:40:18,629 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 14:40:18,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 14:40:18,636 INFO L82 PathProgramCache]: Analyzing trace with hash -2055149665, now seen corresponding path program 1 times [2020-07-17 14:40:18,644 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 14:40:18,645 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1394597824] [2020-07-17 14:40:18,645 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 14:40:18,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:40:18,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:40:18,939 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 14:40:18,941 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 14:40:18,943 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1394597824] [2020-07-17 14:40:18,945 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 14:40:18,945 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-17 14:40:18,945 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782953116] [2020-07-17 14:40:18,950 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 14:40:18,951 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 14:40:18,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 14:40:18,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-17 14:40:18,968 INFO L87 Difference]: Start difference. First operand 456 states. Second operand 5 states. [2020-07-17 14:40:21,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 14:40:21,630 INFO L93 Difference]: Finished difference Result 1226 states and 1797 transitions. [2020-07-17 14:40:21,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-17 14:40:21,632 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 40 [2020-07-17 14:40:21,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 14:40:21,670 INFO L225 Difference]: With dead ends: 1226 [2020-07-17 14:40:21,670 INFO L226 Difference]: Without dead ends: 707 [2020-07-17 14:40:21,684 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-17 14:40:21,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 707 states. [2020-07-17 14:40:21,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 707 to 695. [2020-07-17 14:40:21,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 695 states. [2020-07-17 14:40:21,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 695 states and 926 transitions. [2020-07-17 14:40:21,864 INFO L78 Accepts]: Start accepts. Automaton has 695 states and 926 transitions. Word has length 40 [2020-07-17 14:40:21,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 14:40:21,865 INFO L479 AbstractCegarLoop]: Abstraction has 695 states and 926 transitions. [2020-07-17 14:40:21,865 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 14:40:21,865 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 926 transitions. [2020-07-17 14:40:21,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-07-17 14:40:21,874 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 14:40:21,874 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:40:21,874 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 14:40:21,874 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 14:40:21,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 14:40:21,875 INFO L82 PathProgramCache]: Analyzing trace with hash -639711560, now seen corresponding path program 1 times [2020-07-17 14:40:21,875 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 14:40:21,875 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [933978966] [2020-07-17 14:40:21,876 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 14:40:22,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:40:22,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:40:22,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:40:22,215 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 14:40:23,298 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2020-07-17 14:40:23,567 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2020-07-17 14:40:23,742 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-07-17 14:40:23,964 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-07-17 14:40:24,204 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-07-17 14:40:24,447 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2020-07-17 14:40:24,720 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-07-17 14:40:25,141 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 76 [2020-07-17 14:40:25,789 WARN L193 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 76 [2020-07-17 14:40:25,982 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 14:40:25,983 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [933978966] [2020-07-17 14:40:25,983 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 14:40:25,984 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [] total 32 [2020-07-17 14:40:25,984 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910421050] [2020-07-17 14:40:25,985 INFO L459 AbstractCegarLoop]: Interpolant automaton has 33 states [2020-07-17 14:40:25,985 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 14:40:25,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2020-07-17 14:40:25,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=274, Invalid=782, Unknown=0, NotChecked=0, Total=1056 [2020-07-17 14:40:25,987 INFO L87 Difference]: Start difference. First operand 695 states and 926 transitions. Second operand 33 states. [2020-07-17 14:40:28,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 14:40:28,598 INFO L93 Difference]: Finished difference Result 1559 states and 2130 transitions. [2020-07-17 14:40:28,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-17 14:40:28,599 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 123 [2020-07-17 14:40:28,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 14:40:28,613 INFO L225 Difference]: With dead ends: 1559 [2020-07-17 14:40:28,614 INFO L226 Difference]: Without dead ends: 879 [2020-07-17 14:40:28,619 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 312 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=304, Invalid=1102, Unknown=0, NotChecked=0, Total=1406 [2020-07-17 14:40:28,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 879 states. [2020-07-17 14:40:28,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 879 to 853. [2020-07-17 14:40:28,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 853 states. [2020-07-17 14:40:28,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 853 states and 1090 transitions. [2020-07-17 14:40:28,731 INFO L78 Accepts]: Start accepts. Automaton has 853 states and 1090 transitions. Word has length 123 [2020-07-17 14:40:28,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 14:40:28,734 INFO L479 AbstractCegarLoop]: Abstraction has 853 states and 1090 transitions. [2020-07-17 14:40:28,734 INFO L480 AbstractCegarLoop]: Interpolant automaton has 33 states. [2020-07-17 14:40:28,734 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 1090 transitions. [2020-07-17 14:40:28,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-07-17 14:40:28,748 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 14:40:28,748 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:40:28,748 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 14:40:28,748 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 14:40:28,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 14:40:28,749 INFO L82 PathProgramCache]: Analyzing trace with hash -767321971, now seen corresponding path program 1 times [2020-07-17 14:40:28,750 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 14:40:28,750 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [221273049] [2020-07-17 14:40:28,750 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 14:40:28,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 14:40:28,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 14:40:28,904 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 14:40:28,904 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-17 14:40:28,904 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-17 14:40:28,905 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-17 14:40:28,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 02:40:28 BoogieIcfgContainer [2020-07-17 14:40:28,931 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 14:40:28,933 INFO L168 Benchmark]: Toolchain (without parser) took 12816.45 ms. Allocated memory was 136.8 MB in the beginning and 376.4 MB in the end (delta: 239.6 MB). Free memory was 98.5 MB in the beginning and 264.2 MB in the end (delta: -165.7 MB). Peak memory consumption was 73.9 MB. Max. memory is 7.1 GB. [2020-07-17 14:40:28,933 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 136.8 MB. Free memory is still 118.3 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-17 14:40:28,934 INFO L168 Benchmark]: CACSL2BoogieTranslator took 794.63 ms. Allocated memory was 136.8 MB in the beginning and 203.9 MB in the end (delta: 67.1 MB). Free memory was 98.1 MB in the beginning and 169.0 MB in the end (delta: -70.9 MB). Peak memory consumption was 35.6 MB. Max. memory is 7.1 GB. [2020-07-17 14:40:28,935 INFO L168 Benchmark]: Boogie Preprocessor took 177.87 ms. Allocated memory is still 203.9 MB. Free memory was 169.0 MB in the beginning and 164.9 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-07-17 14:40:28,936 INFO L168 Benchmark]: RCFGBuilder took 1436.41 ms. Allocated memory was 203.9 MB in the beginning and 234.4 MB in the end (delta: 30.4 MB). Free memory was 164.9 MB in the beginning and 163.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 85.2 MB. Max. memory is 7.1 GB. [2020-07-17 14:40:28,937 INFO L168 Benchmark]: TraceAbstraction took 10401.09 ms. Allocated memory was 234.4 MB in the beginning and 376.4 MB in the end (delta: 142.1 MB). Free memory was 163.0 MB in the beginning and 264.2 MB in the end (delta: -101.2 MB). Peak memory consumption was 40.9 MB. Max. memory is 7.1 GB. [2020-07-17 14:40:28,943 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 136.8 MB. Free memory is still 118.3 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 794.63 ms. Allocated memory was 136.8 MB in the beginning and 203.9 MB in the end (delta: 67.1 MB). Free memory was 98.1 MB in the beginning and 169.0 MB in the end (delta: -70.9 MB). Peak memory consumption was 35.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 177.87 ms. Allocated memory is still 203.9 MB. Free memory was 169.0 MB in the beginning and 164.9 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1436.41 ms. Allocated memory was 203.9 MB in the beginning and 234.4 MB in the end (delta: 30.4 MB). Free memory was 164.9 MB in the beginning and 163.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 85.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 10401.09 ms. Allocated memory was 234.4 MB in the beginning and 376.4 MB in the end (delta: 142.1 MB). Free memory was 163.0 MB in the beginning and 264.2 MB in the end (delta: -101.2 MB). Peak memory consumption was 40.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 67]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L7] int inputC = 3; [L8] int inputD = 4; [L9] int inputE = 5; [L10] int inputF = 6; [L11] int inputB = 2; [L14] int a1 = 23; [L15] int a19 = 9; [L16] int a10 = 0; [L17] int a12 = 0; [L18] int a4 = 14; [L579] int output = -1; [L582] COND TRUE 1 [L585] int input; [L586] input = __VERIFIER_nondet_int() [L587] COND FALSE !((input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L590] CALL, EXPR calculate_output(input) [L21] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L24] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L27] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L30] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L33] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L36] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L39] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L42] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L45] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L48] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L51] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L54] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L57] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L60] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L63] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L66] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L69] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L72] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L75] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L78] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L81] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L84] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L87] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L90] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L93] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L96] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L99] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L102] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L105] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L108] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L111] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L114] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L117] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L120] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L123] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L126] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L129] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L132] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L135] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L138] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L141] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L144] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L147] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L150] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L153] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L156] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L159] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L162] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L165] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L168] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L171] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L174] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L177] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L180] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L183] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L186] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L189] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L192] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L195] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L198] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==9))) [L201] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L205] COND FALSE !((((a10==4) && ( 218 < a1 && (((input == 4) && (a12==0)) && (a4==14)))) && (a19==9))) [L210] COND FALSE !(((a4==14) && (((a12==0) && ((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 4)) && (a19==9))) && (a10==0)))) [L215] COND FALSE !(((((a4==14) && ((a19==10) && ((a10==1) && (input == 2)))) && (a12==0)) && 218 < a1 )) [L220] COND FALSE !(((a12==0) && ((a19==9) && ((a10==1) && (( 218 < a1 && (input == 3)) && (a4==14)))))) [L225] COND FALSE !(((a19==10) && (((a4==14) && (((((a10==0) && ((38 < a1) && (218 >= a1)) ) || ((a10==0) && 218 < a1 )) || ((a10==1) && a1 <= -13 )) && (input == 5))) && (a12==0)))) [L231] COND FALSE !(((a12==0) && ((a19==9) && (((a4==14) && ((input == 2) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ))) && (a10==3))))) [L236] COND FALSE !(((a12==0) && ((((a4==14) && ((input == 3) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ))) && (a10==2)) && (a19==9)))) [L239] COND FALSE !((((a12==0) && ( ((-13 < a1) && (38 >= a1)) && (((input == 3) && (a19==10)) && (a4==14)))) && (a10==1))) [L244] COND FALSE !((((a19==9) && (((input == 6) && (( 218 < a1 && (a10==0)) || ( a1 <= -13 && (a10==1)))) && (a4==14))) && (a12==0))) [L249] COND FALSE !(( ((38 < a1) && (218 >= a1)) && (((a4==14) && ((a19==10) && ((a10==1) && (input == 4)))) && (a12==0)))) [L254] COND TRUE (((a4==14) && (((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 5)) && (a19==9)) && (a12==0))) && (a10==0)) [L255] a1 = (((a1 / 5) + 110755) + 220746) [L256] a10 = 1 [L257] a19 = 8 [L259] return -1; [L590] RET, EXPR calculate_output(input) [L590] output = calculate_output(input) [L582] COND TRUE 1 [L585] int input; [L586] input = __VERIFIER_nondet_int() [L587] COND FALSE !((input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L590] CALL calculate_output(input) [L21] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L24] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L27] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L30] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L33] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L36] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L39] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L42] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L45] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L48] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L51] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L54] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L57] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L60] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L63] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L66] COND TRUE (((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8)) [L67] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 456 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 10.3s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 5.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 398 SDtfs, 2525 SDslu, 763 SDs, 0 SdLazy, 2911 SolverSat, 876 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 52 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 313 ImplicationChecksByTransitivity, 3.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=853occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 2 MinimizatonAttempts, 38 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, 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 incorrect! Received shutdown request...