/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_label34.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 12:05:01,467 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 12:05:01,470 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 12:05:01,485 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 12:05:01,485 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 12:05:01,486 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 12:05:01,487 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 12:05:01,489 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 12:05:01,491 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 12:05:01,492 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 12:05:01,493 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 12:05:01,494 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 12:05:01,494 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 12:05:01,495 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 12:05:01,496 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 12:05:01,497 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 12:05:01,498 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 12:05:01,499 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 12:05:01,501 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 12:05:01,503 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 12:05:01,505 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 12:05:01,506 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 12:05:01,507 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 12:05:01,508 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 12:05:01,510 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-17 12:05:01,511 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-17 12:05:01,511 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-17 12:05:01,512 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-17 12:05:01,512 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-17 12:05:01,513 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-17 12:05:01,513 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-17 12:05:01,514 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-17 12:05:01,515 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-17 12:05:01,516 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-17 12:05:01,517 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-17 12:05:01,517 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-17 12:05:01,518 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-17 12:05:01,518 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-17 12:05:01,518 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 12:05:01,519 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 12:05:01,520 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 12:05:01,521 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 12:05:01,535 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 12:05:01,536 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 12:05:01,537 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-17 12:05:01,537 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-17 12:05:01,537 INFO L138 SettingsManager]: * Use SBE=true [2020-07-17 12:05:01,538 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 12:05:01,538 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 12:05:01,538 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 12:05:01,538 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 12:05:01,538 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 12:05:01,538 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 12:05:01,539 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 12:05:01,539 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 12:05:01,539 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 12:05:01,539 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 12:05:01,539 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 12:05:01,540 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 12:05:01,540 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 12:05:01,540 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-17 12:05:01,540 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 12:05:01,540 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 12:05:01,541 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 12:05:01,541 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 12:05:01,541 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-17 12:05:01,541 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-17 12:05:01,541 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-17 12:05:01,542 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-17 12:05:01,542 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 12:05:01,542 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-17 12:05:01,542 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-17 12:05:01,833 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 12:05:01,845 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 12:05:01,848 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 12:05:01,850 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 12:05:01,850 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 12:05:01,851 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label34.c [2020-07-17 12:05:01,914 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4c763e14/6ac7eaf9976f4b729ac16574a8d79288/FLAG26825dc6d [2020-07-17 12:05:02,511 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 12:05:02,512 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label34.c [2020-07-17 12:05:02,523 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4c763e14/6ac7eaf9976f4b729ac16574a8d79288/FLAG26825dc6d [2020-07-17 12:05:02,734 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4c763e14/6ac7eaf9976f4b729ac16574a8d79288 [2020-07-17 12:05:02,744 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 12:05:02,747 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 12:05:02,748 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 12:05:02,749 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 12:05:02,753 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 12:05:02,755 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 12:05:02" (1/1) ... [2020-07-17 12:05:02,758 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49257e90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:05:02, skipping insertion in model container [2020-07-17 12:05:02,758 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 12:05:02" (1/1) ... [2020-07-17 12:05:02,767 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 12:05:02,831 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 12:05:03,384 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 12:05:03,404 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 12:05:03,555 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 12:05:03,578 INFO L208 MainTranslator]: Completed translation [2020-07-17 12:05:03,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:05:03 WrapperNode [2020-07-17 12:05:03,579 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 12:05:03,580 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 12:05:03,580 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 12:05:03,580 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 12:05:03,608 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:05:03" (1/1) ... [2020-07-17 12:05:03,611 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:05:03" (1/1) ... [2020-07-17 12:05:03,646 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:05:03" (1/1) ... [2020-07-17 12:05:03,646 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:05:03" (1/1) ... [2020-07-17 12:05:03,690 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:05:03" (1/1) ... [2020-07-17 12:05:03,710 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:05:03" (1/1) ... [2020-07-17 12:05:03,721 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:05:03" (1/1) ... [2020-07-17 12:05:03,732 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 12:05:03,733 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 12:05:03,733 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 12:05:03,733 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 12:05:03,734 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:05:03" (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 12:05:03,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 12:05:03,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 12:05:03,816 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-17 12:05:03,816 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 12:05:03,816 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-17 12:05:03,816 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 12:05:03,816 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 12:05:03,817 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-17 12:05:03,817 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 12:05:03,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 12:05:03,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 12:05:04,962 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 12:05:04,962 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-17 12:05:04,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 12:05:04 BoogieIcfgContainer [2020-07-17 12:05:04,969 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 12:05:04,970 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 12:05:04,970 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 12:05:04,973 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 12:05:04,974 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 12:05:02" (1/3) ... [2020-07-17 12:05:04,975 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52756bc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 12:05:04, skipping insertion in model container [2020-07-17 12:05:04,975 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:05:03" (2/3) ... [2020-07-17 12:05:04,976 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52756bc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 12:05:04, skipping insertion in model container [2020-07-17 12:05:04,976 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 12:05:04" (3/3) ... [2020-07-17 12:05:04,978 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label34.c [2020-07-17 12:05:04,989 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-17 12:05:04,998 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 12:05:05,013 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 12:05:05,040 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 12:05:05,040 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 12:05:05,040 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-17 12:05:05,041 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 12:05:05,041 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 12:05:05,041 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 12:05:05,041 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 12:05:05,041 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 12:05:05,065 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-07-17 12:05:05,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-07-17 12:05:05,077 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:05:05,078 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] [2020-07-17 12:05:05,079 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:05:05,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:05:05,085 INFO L82 PathProgramCache]: Analyzing trace with hash -2059241649, now seen corresponding path program 1 times [2020-07-17 12:05:05,095 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:05:05,096 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544720435] [2020-07-17 12:05:05,096 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:05:05,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:05:05,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:05:05,634 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 12:05:05,635 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544720435] [2020-07-17 12:05:05,636 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 12:05:05,636 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-17 12:05:05,637 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546010340] [2020-07-17 12:05:05,643 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-17 12:05:05,644 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:05:05,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-17 12:05:05,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-17 12:05:05,665 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 4 states. [2020-07-17 12:05:07,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:05:07,256 INFO L93 Difference]: Finished difference Result 557 states and 956 transitions. [2020-07-17 12:05:07,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-17 12:05:07,261 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 111 [2020-07-17 12:05:07,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:05:07,284 INFO L225 Difference]: With dead ends: 557 [2020-07-17 12:05:07,284 INFO L226 Difference]: Without dead ends: 286 [2020-07-17 12:05:07,296 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 12:05:07,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2020-07-17 12:05:07,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 280. [2020-07-17 12:05:07,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2020-07-17 12:05:07,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 414 transitions. [2020-07-17 12:05:07,402 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 414 transitions. Word has length 111 [2020-07-17 12:05:07,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:05:07,403 INFO L479 AbstractCegarLoop]: Abstraction has 280 states and 414 transitions. [2020-07-17 12:05:07,403 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-17 12:05:07,403 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 414 transitions. [2020-07-17 12:05:07,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-07-17 12:05:07,409 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:05:07,410 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] [2020-07-17 12:05:07,410 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 12:05:07,410 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:05:07,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:05:07,411 INFO L82 PathProgramCache]: Analyzing trace with hash -1625964328, now seen corresponding path program 1 times [2020-07-17 12:05:07,411 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:05:07,411 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789341391] [2020-07-17 12:05:07,412 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:05:07,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:05:07,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:05:07,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:05:07,627 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 12:05:07,628 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789341391] [2020-07-17 12:05:07,628 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 12:05:07,628 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-17 12:05:07,629 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733523397] [2020-07-17 12:05:07,631 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-17 12:05:07,631 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:05:07,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-17 12:05:07,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-17 12:05:07,632 INFO L87 Difference]: Start difference. First operand 280 states and 414 transitions. Second operand 8 states. [2020-07-17 12:05:09,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:05:09,091 INFO L93 Difference]: Finished difference Result 711 states and 1085 transitions. [2020-07-17 12:05:09,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-17 12:05:09,095 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 121 [2020-07-17 12:05:09,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:05:09,096 INFO L225 Difference]: With dead ends: 711 [2020-07-17 12:05:09,096 INFO L226 Difference]: Without dead ends: 0 [2020-07-17 12:05:09,099 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 12:05:09,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-17 12:05:09,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-17 12:05:09,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-17 12:05:09,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-17 12:05:09,101 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 121 [2020-07-17 12:05:09,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:05:09,101 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-17 12:05:09,102 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-17 12:05:09,102 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-17 12:05:09,102 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 12:05:09,102 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 12:05:09,105 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-17 12:05:09,444 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 26 [2020-07-17 12:05:09,509 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-17 12:05:09,510 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 12:05:09,510 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-17 12:05:09,510 INFO L268 CegarLoopResult]: For program point L333(lines 333 390) no Hoare annotation was computed. [2020-07-17 12:05:09,510 INFO L268 CegarLoopResult]: For program point L102(lines 102 390) no Hoare annotation was computed. [2020-07-17 12:05:09,510 INFO L268 CegarLoopResult]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:09,510 INFO L268 CegarLoopResult]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:09,511 INFO L268 CegarLoopResult]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:09,511 INFO L268 CegarLoopResult]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:09,511 INFO L268 CegarLoopResult]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:09,511 INFO L268 CegarLoopResult]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:09,511 INFO L268 CegarLoopResult]: For program point L268(lines 268 390) no Hoare annotation was computed. [2020-07-17 12:05:09,511 INFO L268 CegarLoopResult]: For program point L136(lines 136 390) no Hoare annotation was computed. [2020-07-17 12:05:09,511 INFO L268 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-07-17 12:05:09,512 INFO L268 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-07-17 12:05:09,512 INFO L268 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-07-17 12:05:09,512 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-07-17 12:05:09,512 INFO L268 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-07-17 12:05:09,512 INFO L268 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2020-07-17 12:05:09,512 INFO L268 CegarLoopResult]: For program point L203(lines 203 390) no Hoare annotation was computed. [2020-07-17 12:05:09,512 INFO L268 CegarLoopResult]: For program point L72(lines 72 390) no Hoare annotation was computed. [2020-07-17 12:05:09,513 INFO L268 CegarLoopResult]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:09,513 INFO L268 CegarLoopResult]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:09,513 INFO L268 CegarLoopResult]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:09,513 INFO L268 CegarLoopResult]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:09,513 INFO L268 CegarLoopResult]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:09,513 INFO L268 CegarLoopResult]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:09,514 INFO L268 CegarLoopResult]: For program point L337(lines 337 390) no Hoare annotation was computed. [2020-07-17 12:05:09,514 INFO L268 CegarLoopResult]: For program point L238(lines 238 390) no Hoare annotation was computed. [2020-07-17 12:05:09,514 INFO L268 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-07-17 12:05:09,514 INFO L268 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-07-17 12:05:09,514 INFO L268 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-07-17 12:05:09,514 INFO L268 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-07-17 12:05:09,515 INFO L268 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-07-17 12:05:09,515 INFO L268 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2020-07-17 12:05:09,515 INFO L268 CegarLoopResult]: For program point L173(lines 173 390) no Hoare annotation was computed. [2020-07-17 12:05:09,515 INFO L268 CegarLoopResult]: For program point L140(lines 140 390) no Hoare annotation was computed. [2020-07-17 12:05:09,515 INFO L268 CegarLoopResult]: For program point L372(lines 372 390) no Hoare annotation was computed. [2020-07-17 12:05:09,515 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 491) no Hoare annotation was computed. [2020-07-17 12:05:09,516 INFO L268 CegarLoopResult]: For program point L306(lines 306 390) no Hoare annotation was computed. [2020-07-17 12:05:09,516 INFO L268 CegarLoopResult]: For program point L273(lines 273 390) no Hoare annotation was computed. [2020-07-17 12:05:09,516 INFO L268 CegarLoopResult]: For program point L108(lines 108 390) no Hoare annotation was computed. [2020-07-17 12:05:09,516 INFO L268 CegarLoopResult]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2020-07-17 12:05:09,516 INFO L268 CegarLoopResult]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:09,516 INFO L268 CegarLoopResult]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:09,517 INFO L268 CegarLoopResult]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:09,517 INFO L268 CegarLoopResult]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:09,517 INFO L268 CegarLoopResult]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:09,517 INFO L268 CegarLoopResult]: For program point L208(lines 208 390) no Hoare annotation was computed. [2020-07-17 12:05:09,517 INFO L268 CegarLoopResult]: For program point L43(lines 43 390) no Hoare annotation was computed. [2020-07-17 12:05:09,517 INFO L268 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-07-17 12:05:09,517 INFO L268 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-07-17 12:05:09,518 INFO L268 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-07-17 12:05:09,518 INFO L268 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-07-17 12:05:09,518 INFO L268 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-07-17 12:05:09,518 INFO L268 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2020-07-17 12:05:09,518 INFO L268 CegarLoopResult]: For program point L144(lines 144 390) no Hoare annotation was computed. [2020-07-17 12:05:09,518 INFO L268 CegarLoopResult]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:09,518 INFO L268 CegarLoopResult]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:09,519 INFO L268 CegarLoopResult]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:09,519 INFO L268 CegarLoopResult]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:09,519 INFO L268 CegarLoopResult]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:09,519 INFO L268 CegarLoopResult]: For program point L178(lines 178 390) no Hoare annotation was computed. [2020-07-17 12:05:09,519 INFO L268 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-07-17 12:05:09,519 INFO L268 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-07-17 12:05:09,519 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-07-17 12:05:09,520 INFO L268 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-07-17 12:05:09,520 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-07-17 12:05:09,520 INFO L268 CegarLoopResult]: For program point L377(lines 377 390) no Hoare annotation was computed. [2020-07-17 12:05:09,520 INFO L268 CegarLoopResult]: For program point L278(lines 278 390) no Hoare annotation was computed. [2020-07-17 12:05:09,520 INFO L268 CegarLoopResult]: For program point L245(lines 245 390) no Hoare annotation was computed. [2020-07-17 12:05:09,520 INFO L268 CegarLoopResult]: For program point L80(lines 80 390) no Hoare annotation was computed. [2020-07-17 12:05:09,521 INFO L268 CegarLoopResult]: For program point L345(lines 345 390) no Hoare annotation was computed. [2020-07-17 12:05:09,521 INFO L268 CegarLoopResult]: For program point L312(lines 312 390) no Hoare annotation was computed. [2020-07-17 12:05:09,522 INFO L268 CegarLoopResult]: For program point L114(lines 114 390) no Hoare annotation was computed. [2020-07-17 12:05:09,523 INFO L268 CegarLoopResult]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:09,523 INFO L268 CegarLoopResult]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:09,523 INFO L268 CegarLoopResult]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:09,523 INFO L268 CegarLoopResult]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:09,523 INFO L268 CegarLoopResult]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:09,523 INFO L268 CegarLoopResult]: For program point L214(lines 214 390) no Hoare annotation was computed. [2020-07-17 12:05:09,523 INFO L268 CegarLoopResult]: For program point L148(lines 148 390) no Hoare annotation was computed. [2020-07-17 12:05:09,524 INFO L268 CegarLoopResult]: For program point L49(lines 49 390) no Hoare annotation was computed. [2020-07-17 12:05:09,524 INFO L268 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-07-17 12:05:09,524 INFO L268 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-07-17 12:05:09,524 INFO L268 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-07-17 12:05:09,524 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-07-17 12:05:09,524 INFO L268 CegarLoopResult]: For program point L413(line 413) no Hoare annotation was computed. [2020-07-17 12:05:09,525 INFO L268 CegarLoopResult]: For program point L84(lines 84 390) no Hoare annotation was computed. [2020-07-17 12:05:09,525 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:09,525 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:09,525 INFO L268 CegarLoopResult]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:09,525 INFO L268 CegarLoopResult]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:09,525 INFO L268 CegarLoopResult]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:09,525 INFO L268 CegarLoopResult]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:09,526 INFO L268 CegarLoopResult]: For program point L382(lines 382 390) no Hoare annotation was computed. [2020-07-17 12:05:09,526 INFO L268 CegarLoopResult]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:09,526 INFO L268 CegarLoopResult]: For program point L316(lines 316 390) no Hoare annotation was computed. [2020-07-17 12:05:09,526 INFO L268 CegarLoopResult]: For program point L250(lines 250 390) no Hoare annotation was computed. [2020-07-17 12:05:09,526 INFO L268 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-07-17 12:05:09,526 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-07-17 12:05:09,526 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-07-17 12:05:09,527 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-07-17 12:05:09,527 INFO L268 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed. [2020-07-17 12:05:09,527 INFO L268 CegarLoopResult]: For program point L218(lines 218 390) no Hoare annotation was computed. [2020-07-17 12:05:09,527 INFO L268 CegarLoopResult]: For program point L152(lines 152 390) no Hoare annotation was computed. [2020-07-17 12:05:09,527 INFO L268 CegarLoopResult]: For program point L119(lines 119 390) no Hoare annotation was computed. [2020-07-17 12:05:09,527 INFO L268 CegarLoopResult]: For program point L318(lines 318 390) no Hoare annotation was computed. [2020-07-17 12:05:09,527 INFO L268 CegarLoopResult]: For program point L186(lines 186 390) no Hoare annotation was computed. [2020-07-17 12:05:09,528 INFO L268 CegarLoopResult]: For program point L54(lines 54 390) no Hoare annotation was computed. [2020-07-17 12:05:09,528 INFO L268 CegarLoopResult]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:09,528 INFO L268 CegarLoopResult]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:09,528 INFO L268 CegarLoopResult]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:09,528 INFO L268 CegarLoopResult]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:09,528 INFO L268 CegarLoopResult]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:09,529 INFO L268 CegarLoopResult]: For program point L286(lines 286 390) no Hoare annotation was computed. [2020-07-17 12:05:09,529 INFO L268 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-07-17 12:05:09,530 INFO L268 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-07-17 12:05:09,530 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-07-17 12:05:09,531 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-07-17 12:05:09,531 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-07-17 12:05:09,531 INFO L268 CegarLoopResult]: For program point L353(lines 353 390) no Hoare annotation was computed. [2020-07-17 12:05:09,531 INFO L268 CegarLoopResult]: For program point L189(lines 189 390) no Hoare annotation was computed. [2020-07-17 12:05:09,531 INFO L268 CegarLoopResult]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:09,532 INFO L268 CegarLoopResult]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:09,532 INFO L268 CegarLoopResult]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:09,532 INFO L268 CegarLoopResult]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:09,533 INFO L268 CegarLoopResult]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:09,533 INFO L268 CegarLoopResult]: For program point L355(lines 355 390) no Hoare annotation was computed. [2020-07-17 12:05:09,533 INFO L268 CegarLoopResult]: For program point L256(lines 256 390) no Hoare annotation was computed. [2020-07-17 12:05:09,533 INFO L268 CegarLoopResult]: For program point L223(lines 223 390) no Hoare annotation was computed. [2020-07-17 12:05:09,534 INFO L268 CegarLoopResult]: For program point L124(lines 124 390) no Hoare annotation was computed. [2020-07-17 12:05:09,534 INFO L268 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-07-17 12:05:09,535 INFO L268 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-07-17 12:05:09,535 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-07-17 12:05:09,535 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-07-17 12:05:09,536 INFO L268 CegarLoopResult]: For program point L422(line 422) no Hoare annotation was computed. [2020-07-17 12:05:09,536 INFO L268 CegarLoopResult]: For program point L92(lines 92 390) no Hoare annotation was computed. [2020-07-17 12:05:09,536 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse0 (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 (not (<= |old(~a16~0)| 5)) .cse0) (or (= |old(~a7~0)| |old(~a21~0)|) .cse0))) [2020-07-17 12:05:09,536 INFO L268 CegarLoopResult]: For program point L324(lines 324 390) no Hoare annotation was computed. [2020-07-17 12:05:09,536 INFO L268 CegarLoopResult]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:09,537 INFO L268 CegarLoopResult]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:09,537 INFO L268 CegarLoopResult]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:09,537 INFO L268 CegarLoopResult]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:09,537 INFO L268 CegarLoopResult]: For program point L391(lines 391 393) no Hoare annotation was computed. [2020-07-17 12:05:09,537 INFO L268 CegarLoopResult]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:09,537 INFO L268 CegarLoopResult]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:09,537 INFO L268 CegarLoopResult]: For program point L292(lines 292 390) no Hoare annotation was computed. [2020-07-17 12:05:09,537 INFO L268 CegarLoopResult]: For program point L160(lines 160 390) no Hoare annotation was computed. [2020-07-17 12:05:09,542 INFO L268 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-07-17 12:05:09,543 INFO L268 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-07-17 12:05:09,544 INFO L268 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-07-17 12:05:09,544 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-07-17 12:05:09,553 INFO L268 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-07-17 12:05:09,553 INFO L268 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2020-07-17 12:05:09,553 INFO L268 CegarLoopResult]: For program point L194(lines 194 390) no Hoare annotation was computed. [2020-07-17 12:05:09,553 INFO L268 CegarLoopResult]: For program point L62(lines 62 390) no Hoare annotation was computed. [2020-07-17 12:05:09,553 INFO L268 CegarLoopResult]: For program point L261(lines 261 390) no Hoare annotation was computed. [2020-07-17 12:05:09,554 INFO L268 CegarLoopResult]: For program point L129(lines 129 390) no Hoare annotation was computed. [2020-07-17 12:05:09,554 INFO L268 CegarLoopResult]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:09,554 INFO L268 CegarLoopResult]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:09,554 INFO L268 CegarLoopResult]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:09,554 INFO L268 CegarLoopResult]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:09,554 INFO L268 CegarLoopResult]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:09,555 INFO L268 CegarLoopResult]: For program point L361(lines 361 390) no Hoare annotation was computed. [2020-07-17 12:05:09,555 INFO L268 CegarLoopResult]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:09,555 INFO L268 CegarLoopResult]: For program point L97(lines 97 390) no Hoare annotation was computed. [2020-07-17 12:05:09,555 INFO L268 CegarLoopResult]: For program point L31(lines 31 390) no Hoare annotation was computed. [2020-07-17 12:05:09,555 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-07-17 12:05:09,559 INFO L268 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-07-17 12:05:09,559 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-07-17 12:05:09,559 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-07-17 12:05:09,560 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-07-17 12:05:09,560 INFO L268 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2020-07-17 12:05:09,560 INFO L268 CegarLoopResult]: For program point L329(lines 329 390) no Hoare annotation was computed. [2020-07-17 12:05:09,560 INFO L268 CegarLoopResult]: For program point L197(lines 197 390) no Hoare annotation was computed. [2020-07-17 12:05:09,560 INFO L268 CegarLoopResult]: For program point L65(lines 65 390) no Hoare annotation was computed. [2020-07-17 12:05:09,560 INFO L268 CegarLoopResult]: For program point L363(lines 363 390) no Hoare annotation was computed. [2020-07-17 12:05:09,560 INFO L268 CegarLoopResult]: For program point L231(lines 231 390) no Hoare annotation was computed. [2020-07-17 12:05:09,561 INFO L268 CegarLoopResult]: For program point L165(lines 165 390) no Hoare annotation was computed. [2020-07-17 12:05:09,561 INFO L268 CegarLoopResult]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:09,561 INFO L268 CegarLoopResult]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:09,561 INFO L268 CegarLoopResult]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:09,561 INFO L268 CegarLoopResult]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:09,561 INFO L268 CegarLoopResult]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:09,562 INFO L268 CegarLoopResult]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:09,562 INFO L268 CegarLoopResult]: For program point L265(lines 265 390) no Hoare annotation was computed. [2020-07-17 12:05:09,562 INFO L268 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-07-17 12:05:09,562 INFO L268 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-07-17 12:05:09,562 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-07-17 12:05:09,563 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-07-17 12:05:09,563 INFO L268 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-07-17 12:05:09,563 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-07-17 12:05:09,563 INFO L268 CegarLoopResult]: For program point L365(lines 365 390) no Hoare annotation was computed. [2020-07-17 12:05:09,563 INFO L268 CegarLoopResult]: For program point L299(lines 299 390) no Hoare annotation was computed. [2020-07-17 12:05:09,564 INFO L268 CegarLoopResult]: For program point L35(lines 35 390) no Hoare annotation was computed. [2020-07-17 12:05:09,564 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-17 12:05:09,564 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a16~0 5) (not (= ~a21~0 ~a7~0))) [2020-07-17 12:05:09,564 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-17 12:05:09,564 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-17 12:05:09,565 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (= |old(~a7~0)| |old(~a21~0)|) (not (<= |old(~a16~0)| 5)) (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 12:05:09,565 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2020-07-17 12:05:09,565 INFO L264 CegarLoopResult]: At program point L591(line 591) the Hoare annotation is: (or (= |old(~a7~0)| |old(~a21~0)|) (not (<= |old(~a16~0)| 5)) (<= ~a16~0 5) (not (= ~a21~0 ~a7~0))) [2020-07-17 12:05:09,565 INFO L268 CegarLoopResult]: For program point L591-1(line 591) no Hoare annotation was computed. [2020-07-17 12:05:09,566 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-07-17 12:05:09,566 INFO L264 CegarLoopResult]: At program point L583-2(lines 583 593) the Hoare annotation is: (or (= |old(~a7~0)| |old(~a21~0)|) (not (<= |old(~a16~0)| 5)) (<= ~a16~0 5) (not (= ~a21~0 ~a7~0))) [2020-07-17 12:05:09,566 INFO L268 CegarLoopResult]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2020-07-17 12:05:09,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 12:05:09 BoogieIcfgContainer [2020-07-17 12:05:09,591 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 12:05:09,593 INFO L168 Benchmark]: Toolchain (without parser) took 6847.04 ms. Allocated memory was 137.4 MB in the beginning and 302.5 MB in the end (delta: 165.2 MB). Free memory was 99.2 MB in the beginning and 234.3 MB in the end (delta: -135.1 MB). Peak memory consumption was 177.0 MB. Max. memory is 7.1 GB. [2020-07-17 12:05:09,595 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 137.4 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-17 12:05:09,597 INFO L168 Benchmark]: CACSL2BoogieTranslator took 830.92 ms. Allocated memory was 137.4 MB in the beginning and 203.9 MB in the end (delta: 66.6 MB). Free memory was 98.8 MB in the beginning and 170.2 MB in the end (delta: -71.4 MB). Peak memory consumption was 34.5 MB. Max. memory is 7.1 GB. [2020-07-17 12:05:09,598 INFO L168 Benchmark]: Boogie Preprocessor took 152.75 ms. Allocated memory is still 203.9 MB. Free memory was 170.2 MB in the beginning and 165.1 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2020-07-17 12:05:09,599 INFO L168 Benchmark]: RCFGBuilder took 1236.03 ms. Allocated memory was 203.9 MB in the beginning and 234.9 MB in the end (delta: 30.9 MB). Free memory was 165.1 MB in the beginning and 178.9 MB in the end (delta: -13.8 MB). Peak memory consumption was 84.7 MB. Max. memory is 7.1 GB. [2020-07-17 12:05:09,601 INFO L168 Benchmark]: TraceAbstraction took 4620.88 ms. Allocated memory was 234.9 MB in the beginning and 302.5 MB in the end (delta: 67.6 MB). Free memory was 178.9 MB in the beginning and 234.3 MB in the end (delta: -55.4 MB). Peak memory consumption was 159.2 MB. Max. memory is 7.1 GB. [2020-07-17 12:05:09,615 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 137.4 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 830.92 ms. Allocated memory was 137.4 MB in the beginning and 203.9 MB in the end (delta: 66.6 MB). Free memory was 98.8 MB in the beginning and 170.2 MB in the end (delta: -71.4 MB). Peak memory consumption was 34.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 152.75 ms. Allocated memory is still 203.9 MB. Free memory was 170.2 MB in the beginning and 165.1 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1236.03 ms. Allocated memory was 203.9 MB in the beginning and 234.9 MB in the end (delta: 30.9 MB). Free memory was 165.1 MB in the beginning and 178.9 MB in the end (delta: -13.8 MB). Peak memory consumption was 84.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4620.88 ms. Allocated memory was 234.9 MB in the beginning and 302.5 MB in the end (delta: 67.6 MB). Free memory was 178.9 MB in the beginning and 234.3 MB in the end (delta: -55.4 MB). Peak memory consumption was 159.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 491]: 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: ((\old(a7) == \old(a21) || !(\old(a16) <= 5)) || a16 <= 5) || !(a21 == a7) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.0s, OverallIterations: 2, TraceHistogramMax: 2, AutomataDifference: 3.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 46 SDtfs, 859 SDslu, 62 SDs, 0 SdLazy, 1430 SolverSat, 301 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=280occurred in iteration=1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 6 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 15 PreInvPairs, 27 NumberOfFragments, 172 HoareAnnotationTreeSize, 15 FomulaSimplifications, 684 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 204 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 232 NumberOfCodeBlocks, 232 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 230 ConstructedInterpolants, 0 QuantifiedInterpolants, 80890 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 7/7 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...