/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/Problem10_label21.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-72570d3 [2020-08-22 16:52:53,664 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 16:52:53,668 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 16:52:53,716 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 16:52:53,716 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 16:52:53,718 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 16:52:53,719 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 16:52:53,721 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 16:52:53,723 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 16:52:53,724 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 16:52:53,725 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 16:52:53,726 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 16:52:53,726 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 16:52:53,727 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 16:52:53,729 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 16:52:53,730 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 16:52:53,731 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 16:52:53,732 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 16:52:53,734 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 16:52:53,736 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 16:52:53,738 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 16:52:53,739 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 16:52:53,741 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 16:52:53,742 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 16:52:53,744 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-22 16:52:53,745 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-22 16:52:53,745 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-22 16:52:53,746 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-22 16:52:53,746 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-22 16:52:53,747 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-22 16:52:53,748 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-22 16:52:53,749 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-22 16:52:53,749 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-22 16:52:53,750 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-22 16:52:53,751 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-22 16:52:53,751 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-22 16:52:53,752 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-22 16:52:53,752 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-22 16:52:53,753 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 16:52:53,753 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 16:52:53,754 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 16:52:53,755 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 [2020-08-22 16:52:53,779 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 16:52:53,779 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 16:52:53,780 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-22 16:52:53,781 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-22 16:52:53,781 INFO L138 SettingsManager]: * Use SBE=true [2020-08-22 16:52:53,781 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 16:52:53,781 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 16:52:53,781 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 16:52:53,782 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 16:52:53,782 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 16:52:53,782 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 16:52:53,782 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 16:52:53,783 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 16:52:53,783 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 16:52:53,783 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 16:52:53,783 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 16:52:53,783 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 16:52:53,784 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 16:52:53,784 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-22 16:52:53,784 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 16:52:53,784 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 16:52:53,784 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 16:52:53,785 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 16:52:53,785 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-22 16:52:53,785 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-22 16:52:53,785 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-22 16:52:53,785 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-22 16:52:53,786 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 16:52:53,786 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-22 16:52:53,786 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-08-22 16:52:54,100 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 16:52:54,113 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 16:52:54,117 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 16:52:54,118 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 16:52:54,119 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 16:52:54,120 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label21.c [2020-08-22 16:52:54,190 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bac879997/d1f65e07d1ae4bd59eb9685a32c5a150/FLAG1a0fe43ab [2020-08-22 16:52:54,786 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 16:52:54,787 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label21.c [2020-08-22 16:52:54,800 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bac879997/d1f65e07d1ae4bd59eb9685a32c5a150/FLAG1a0fe43ab [2020-08-22 16:52:55,045 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bac879997/d1f65e07d1ae4bd59eb9685a32c5a150 [2020-08-22 16:52:55,053 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 16:52:55,055 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 16:52:55,056 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 16:52:55,056 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 16:52:55,060 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 16:52:55,061 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 04:52:55" (1/1) ... [2020-08-22 16:52:55,064 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ccc0ea3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:52:55, skipping insertion in model container [2020-08-22 16:52:55,065 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 04:52:55" (1/1) ... [2020-08-22 16:52:55,072 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 16:52:55,132 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 16:52:55,548 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 16:52:55,554 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 16:52:55,789 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 16:52:55,810 INFO L208 MainTranslator]: Completed translation [2020-08-22 16:52:55,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:52:55 WrapperNode [2020-08-22 16:52:55,810 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 16:52:55,811 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 16:52:55,811 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 16:52:55,812 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 16:52:55,828 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:52:55" (1/1) ... [2020-08-22 16:52:55,830 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:52:55" (1/1) ... [2020-08-22 16:52:55,850 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:52:55" (1/1) ... [2020-08-22 16:52:55,850 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:52:55" (1/1) ... [2020-08-22 16:52:55,900 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:52:55" (1/1) ... [2020-08-22 16:52:55,923 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:52:55" (1/1) ... [2020-08-22 16:52:55,932 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:52:55" (1/1) ... [2020-08-22 16:52:55,940 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 16:52:55,941 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 16:52:55,941 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 16:52:55,941 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 16:52:55,942 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:52:55" (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 [2020-08-22 16:52:56,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 16:52:56,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 16:52:56,011 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-08-22 16:52:56,011 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 16:52:56,012 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-08-22 16:52:56,012 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 16:52:56,012 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 16:52:56,012 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-22 16:52:56,012 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 16:52:56,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 16:52:56,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 16:52:57,274 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 16:52:57,275 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-22 16:52:57,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 04:52:57 BoogieIcfgContainer [2020-08-22 16:52:57,282 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 16:52:57,283 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 16:52:57,283 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 16:52:57,286 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 16:52:57,287 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 04:52:55" (1/3) ... [2020-08-22 16:52:57,288 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fca9cb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 04:52:57, skipping insertion in model container [2020-08-22 16:52:57,288 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:52:55" (2/3) ... [2020-08-22 16:52:57,288 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fca9cb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 04:52:57, skipping insertion in model container [2020-08-22 16:52:57,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 04:52:57" (3/3) ... [2020-08-22 16:52:57,291 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label21.c [2020-08-22 16:52:57,303 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-08-22 16:52:57,313 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 16:52:57,330 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 16:52:57,359 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 16:52:57,359 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 16:52:57,360 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-08-22 16:52:57,360 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 16:52:57,360 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 16:52:57,360 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 16:52:57,361 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 16:52:57,361 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 16:52:57,385 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-08-22 16:52:57,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-08-22 16:52:57,394 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:52:57,395 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] [2020-08-22 16:52:57,395 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:52:57,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:52:57,402 INFO L82 PathProgramCache]: Analyzing trace with hash -689743650, now seen corresponding path program 1 times [2020-08-22 16:52:57,413 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:52:57,413 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250869432] [2020-08-22 16:52:57,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:52:57,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:52:57,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:52:57,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:52:57,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:52:57,766 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250869432] [2020-08-22 16:52:57,767 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:52:57,768 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-22 16:52:57,769 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848343479] [2020-08-22 16:52:57,774 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-22 16:52:57,775 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:52:57,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-22 16:52:57,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-22 16:52:57,792 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 4 states. [2020-08-22 16:52:59,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:52:59,317 INFO L93 Difference]: Finished difference Result 596 states and 1021 transitions. [2020-08-22 16:52:59,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-22 16:52:59,319 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2020-08-22 16:52:59,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:52:59,335 INFO L225 Difference]: With dead ends: 596 [2020-08-22 16:52:59,336 INFO L226 Difference]: Without dead ends: 302 [2020-08-22 16:52:59,344 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-22 16:52:59,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-08-22 16:52:59,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 298. [2020-08-22 16:52:59,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2020-08-22 16:52:59,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 430 transitions. [2020-08-22 16:52:59,422 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 430 transitions. Word has length 33 [2020-08-22 16:52:59,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:52:59,423 INFO L479 AbstractCegarLoop]: Abstraction has 298 states and 430 transitions. [2020-08-22 16:52:59,423 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-22 16:52:59,423 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 430 transitions. [2020-08-22 16:52:59,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-08-22 16:52:59,431 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:52:59,431 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:52:59,432 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 16:52:59,432 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:52:59,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:52:59,433 INFO L82 PathProgramCache]: Analyzing trace with hash -1491813086, now seen corresponding path program 1 times [2020-08-22 16:52:59,433 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:52:59,433 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78419258] [2020-08-22 16:52:59,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:52:59,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:52:59,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:52:59,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:52:59,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 16:52:59,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:52:59,743 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:52:59,743 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78419258] [2020-08-22 16:52:59,744 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:52:59,744 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-22 16:52:59,744 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059290097] [2020-08-22 16:52:59,747 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 16:52:59,747 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:52:59,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 16:52:59,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-22 16:52:59,749 INFO L87 Difference]: Start difference. First operand 298 states and 430 transitions. Second operand 8 states. [2020-08-22 16:53:01,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:53:01,849 INFO L93 Difference]: Finished difference Result 1198 states and 1805 transitions. [2020-08-22 16:53:01,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-22 16:53:01,849 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 107 [2020-08-22 16:53:01,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:53:01,858 INFO L225 Difference]: With dead ends: 1198 [2020-08-22 16:53:01,858 INFO L226 Difference]: Without dead ends: 906 [2020-08-22 16:53:01,860 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2020-08-22 16:53:01,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 906 states. [2020-08-22 16:53:01,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 906 to 894. [2020-08-22 16:53:01,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 894 states. [2020-08-22 16:53:01,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1232 transitions. [2020-08-22 16:53:01,919 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1232 transitions. Word has length 107 [2020-08-22 16:53:01,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:53:01,919 INFO L479 AbstractCegarLoop]: Abstraction has 894 states and 1232 transitions. [2020-08-22 16:53:01,919 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 16:53:01,920 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1232 transitions. [2020-08-22 16:53:01,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-08-22 16:53:01,923 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:53:01,923 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:53:01,923 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 16:53:01,923 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:53:01,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:53:01,924 INFO L82 PathProgramCache]: Analyzing trace with hash 313211425, now seen corresponding path program 1 times [2020-08-22 16:53:01,924 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:53:01,924 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517214661] [2020-08-22 16:53:01,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:53:01,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:53:02,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:53:02,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:53:02,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 16:53:02,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:53:02,116 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 22 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:53:02,117 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517214661] [2020-08-22 16:53:02,117 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [510520718] [2020-08-22 16:53:02,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:53:02,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:53:02,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 4 conjunts are in the unsatisfiable core [2020-08-22 16:53:02,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:53:02,298 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:53:02,298 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-08-22 16:53:02,299 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2020-08-22 16:53:02,299 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427526006] [2020-08-22 16:53:02,300 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-22 16:53:02,300 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:53:02,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-22 16:53:02,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-08-22 16:53:02,301 INFO L87 Difference]: Start difference. First operand 894 states and 1232 transitions. Second operand 3 states. [2020-08-22 16:53:03,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:53:03,064 INFO L93 Difference]: Finished difference Result 1476 states and 2096 transitions. [2020-08-22 16:53:03,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-22 16:53:03,066 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 112 [2020-08-22 16:53:03,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:53:03,075 INFO L225 Difference]: With dead ends: 1476 [2020-08-22 16:53:03,075 INFO L226 Difference]: Without dead ends: 1474 [2020-08-22 16:53:03,077 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-08-22 16:53:03,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1474 states. [2020-08-22 16:53:03,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1474 to 1329. [2020-08-22 16:53:03,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1329 states. [2020-08-22 16:53:03,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1329 states to 1329 states and 1915 transitions. [2020-08-22 16:53:03,133 INFO L78 Accepts]: Start accepts. Automaton has 1329 states and 1915 transitions. Word has length 112 [2020-08-22 16:53:03,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:53:03,134 INFO L479 AbstractCegarLoop]: Abstraction has 1329 states and 1915 transitions. [2020-08-22 16:53:03,134 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-22 16:53:03,134 INFO L276 IsEmpty]: Start isEmpty. Operand 1329 states and 1915 transitions. [2020-08-22 16:53:03,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-08-22 16:53:03,138 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:53:03,139 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:53:03,353 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-08-22 16:53:03,354 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:53:03,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:53:03,355 INFO L82 PathProgramCache]: Analyzing trace with hash 1627642498, now seen corresponding path program 1 times [2020-08-22 16:53:03,355 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:53:03,355 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665408142] [2020-08-22 16:53:03,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:53:03,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:53:03,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:53:03,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:53:03,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 16:53:03,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:53:03,631 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:53:03,632 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665408142] [2020-08-22 16:53:03,632 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:53:03,632 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-22 16:53:03,633 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143597859] [2020-08-22 16:53:03,633 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 16:53:03,634 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:53:03,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 16:53:03,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-22 16:53:03,635 INFO L87 Difference]: Start difference. First operand 1329 states and 1915 transitions. Second operand 8 states. [2020-08-22 16:53:05,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:53:05,203 INFO L93 Difference]: Finished difference Result 3282 states and 4893 transitions. [2020-08-22 16:53:05,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-22 16:53:05,204 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 155 [2020-08-22 16:53:05,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:53:05,246 INFO L225 Difference]: With dead ends: 3282 [2020-08-22 16:53:05,246 INFO L226 Difference]: Without dead ends: 1959 [2020-08-22 16:53:05,250 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-08-22 16:53:05,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1959 states. [2020-08-22 16:53:05,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1959 to 1635. [2020-08-22 16:53:05,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1635 states. [2020-08-22 16:53:05,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1635 states to 1635 states and 2199 transitions. [2020-08-22 16:53:05,317 INFO L78 Accepts]: Start accepts. Automaton has 1635 states and 2199 transitions. Word has length 155 [2020-08-22 16:53:05,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:53:05,318 INFO L479 AbstractCegarLoop]: Abstraction has 1635 states and 2199 transitions. [2020-08-22 16:53:05,318 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 16:53:05,318 INFO L276 IsEmpty]: Start isEmpty. Operand 1635 states and 2199 transitions. [2020-08-22 16:53:05,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2020-08-22 16:53:05,321 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:53:05,322 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:53:05,322 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-22 16:53:05,322 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:53:05,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:53:05,323 INFO L82 PathProgramCache]: Analyzing trace with hash 418106165, now seen corresponding path program 1 times [2020-08-22 16:53:05,323 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:53:05,323 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029416470] [2020-08-22 16:53:05,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:53:05,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:53:05,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:53:05,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:53:05,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 16:53:05,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:53:05,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 16:53:05,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:53:05,662 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 56 proven. 74 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-22 16:53:05,662 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029416470] [2020-08-22 16:53:05,662 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [840628144] [2020-08-22 16:53:05,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:53:05,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:53:05,753 INFO L263 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 4 conjunts are in the unsatisfiable core [2020-08-22 16:53:05,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:53:05,878 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 129 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:53:05,878 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-08-22 16:53:05,879 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 13 [2020-08-22 16:53:05,879 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16111121] [2020-08-22 16:53:05,880 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-08-22 16:53:05,881 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:53:05,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-08-22 16:53:05,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2020-08-22 16:53:05,883 INFO L87 Difference]: Start difference. First operand 1635 states and 2199 transitions. Second operand 13 states. [2020-08-22 16:53:10,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:53:10,145 INFO L93 Difference]: Finished difference Result 4678 states and 6513 transitions. [2020-08-22 16:53:10,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-08-22 16:53:10,145 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 194 [2020-08-22 16:53:10,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:53:10,163 INFO L225 Difference]: With dead ends: 4678 [2020-08-22 16:53:10,164 INFO L226 Difference]: Without dead ends: 2275 [2020-08-22 16:53:10,171 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 387 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=364, Invalid=1358, Unknown=0, NotChecked=0, Total=1722 [2020-08-22 16:53:10,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2275 states. [2020-08-22 16:53:10,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2275 to 1653. [2020-08-22 16:53:10,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1653 states. [2020-08-22 16:53:10,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1653 states to 1653 states and 2165 transitions. [2020-08-22 16:53:10,258 INFO L78 Accepts]: Start accepts. Automaton has 1653 states and 2165 transitions. Word has length 194 [2020-08-22 16:53:10,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:53:10,259 INFO L479 AbstractCegarLoop]: Abstraction has 1653 states and 2165 transitions. [2020-08-22 16:53:10,259 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-08-22 16:53:10,259 INFO L276 IsEmpty]: Start isEmpty. Operand 1653 states and 2165 transitions. [2020-08-22 16:53:10,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2020-08-22 16:53:10,263 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:53:10,264 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-08-22 16:53:10,477 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:53:10,478 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:53:10,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:53:10,478 INFO L82 PathProgramCache]: Analyzing trace with hash 615857841, now seen corresponding path program 1 times [2020-08-22 16:53:10,479 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:53:10,480 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994158598] [2020-08-22 16:53:10,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:53:10,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:53:10,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:53:10,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:53:10,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 16:53:10,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:53:10,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-08-22 16:53:10,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:53:10,741 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 52 proven. 72 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-08-22 16:53:10,742 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994158598] [2020-08-22 16:53:10,742 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [92375041] [2020-08-22 16:53:10,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:53:10,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:53:10,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 4 conjunts are in the unsatisfiable core [2020-08-22 16:53:10,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:53:10,952 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2020-08-22 16:53:10,953 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-08-22 16:53:10,953 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2020-08-22 16:53:10,953 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259986749] [2020-08-22 16:53:10,954 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-22 16:53:10,955 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:53:10,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-22 16:53:10,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-08-22 16:53:10,956 INFO L87 Difference]: Start difference. First operand 1653 states and 2165 transitions. Second operand 3 states. [2020-08-22 16:53:11,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:53:11,532 INFO L93 Difference]: Finished difference Result 3735 states and 4890 transitions. [2020-08-22 16:53:11,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-22 16:53:11,532 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 208 [2020-08-22 16:53:11,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:53:11,547 INFO L225 Difference]: With dead ends: 3735 [2020-08-22 16:53:11,547 INFO L226 Difference]: Without dead ends: 1939 [2020-08-22 16:53:11,555 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-08-22 16:53:11,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1939 states. [2020-08-22 16:53:11,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1939 to 1937. [2020-08-22 16:53:11,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1937 states. [2020-08-22 16:53:11,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1937 states to 1937 states and 2436 transitions. [2020-08-22 16:53:11,643 INFO L78 Accepts]: Start accepts. Automaton has 1937 states and 2436 transitions. Word has length 208 [2020-08-22 16:53:11,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:53:11,643 INFO L479 AbstractCegarLoop]: Abstraction has 1937 states and 2436 transitions. [2020-08-22 16:53:11,644 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-22 16:53:11,644 INFO L276 IsEmpty]: Start isEmpty. Operand 1937 states and 2436 transitions. [2020-08-22 16:53:11,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-08-22 16:53:11,650 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:53:11,650 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-08-22 16:53:11,864 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:53:11,864 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:53:11,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:53:11,865 INFO L82 PathProgramCache]: Analyzing trace with hash -746267710, now seen corresponding path program 1 times [2020-08-22 16:53:11,866 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:53:11,866 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539721780] [2020-08-22 16:53:11,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:53:11,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:53:12,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:53:12,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:53:12,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 16:53:12,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:53:12,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 16:53:12,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:53:12,245 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 52 proven. 77 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-08-22 16:53:12,245 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539721780] [2020-08-22 16:53:12,245 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1308943942] [2020-08-22 16:53:12,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:53:12,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:53:12,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 4 conjunts are in the unsatisfiable core [2020-08-22 16:53:12,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:53:12,459 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2020-08-22 16:53:12,460 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-08-22 16:53:12,460 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2020-08-22 16:53:12,461 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885985886] [2020-08-22 16:53:12,461 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-22 16:53:12,461 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:53:12,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-22 16:53:12,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-08-22 16:53:12,462 INFO L87 Difference]: Start difference. First operand 1937 states and 2436 transitions. Second operand 3 states. [2020-08-22 16:53:15,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:53:15,197 INFO L93 Difference]: Finished difference Result 3866 states and 4872 transitions. [2020-08-22 16:53:15,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-22 16:53:15,198 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 211 [2020-08-22 16:53:15,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:53:15,199 INFO L225 Difference]: With dead ends: 3866 [2020-08-22 16:53:15,199 INFO L226 Difference]: Without dead ends: 0 [2020-08-22 16:53:15,207 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 214 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-08-22 16:53:15,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-22 16:53:15,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-22 16:53:15,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-22 16:53:15,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-22 16:53:15,208 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 211 [2020-08-22 16:53:15,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:53:15,209 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-22 16:53:15,209 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-22 16:53:15,209 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-22 16:53:15,209 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-22 16:53:15,424 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:53:15,428 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-22 16:53:16,240 WARN L193 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 46 [2020-08-22 16:53:16,570 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 49 [2020-08-22 16:53:16,850 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 49 [2020-08-22 16:53:16,856 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-22 16:53:16,857 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) [2020-08-22 16:53:16,857 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-22 16:53:16,857 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-08-22 16:53:16,857 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:53:16,857 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:53:16,858 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:53:16,858 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:53:16,858 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:53:16,858 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:53:16,858 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-08-22 16:53:16,858 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-08-22 16:53:16,858 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-08-22 16:53:16,858 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-08-22 16:53:16,859 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-08-22 16:53:16,859 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-08-22 16:53:16,859 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-08-22 16:53:16,859 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-08-22 16:53:16,859 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-08-22 16:53:16,859 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-08-22 16:53:16,859 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-08-22 16:53:16,860 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:53:16,860 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:53:16,860 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:53:16,860 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:53:16,860 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:53:16,860 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-08-22 16:53:16,860 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-08-22 16:53:16,860 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-08-22 16:53:16,861 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-08-22 16:53:16,861 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-08-22 16:53:16,861 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-08-22 16:53:16,861 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-08-22 16:53:16,861 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-08-22 16:53:16,861 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-08-22 16:53:16,861 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-08-22 16:53:16,862 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-08-22 16:53:16,862 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-08-22 16:53:16,862 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-08-22 16:53:16,862 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 85) no Hoare annotation was computed. [2020-08-22 16:53:16,862 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-08-22 16:53:16,862 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:53:16,862 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:53:16,862 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:53:16,863 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:53:16,863 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:53:16,863 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-08-22 16:53:16,863 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-08-22 16:53:16,863 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-08-22 16:53:16,863 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-08-22 16:53:16,863 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-08-22 16:53:16,864 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-08-22 16:53:16,864 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-08-22 16:53:16,864 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-08-22 16:53:16,864 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-08-22 16:53:16,864 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-08-22 16:53:16,864 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:53:16,864 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:53:16,864 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:53:16,865 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:53:16,865 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:53:16,865 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-08-22 16:53:16,865 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-08-22 16:53:16,865 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-08-22 16:53:16,865 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-08-22 16:53:16,865 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-08-22 16:53:16,866 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-08-22 16:53:16,866 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-08-22 16:53:16,866 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-08-22 16:53:16,866 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-08-22 16:53:16,866 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-08-22 16:53:16,866 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-08-22 16:53:16,866 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-08-22 16:53:16,866 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-08-22 16:53:16,866 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:53:16,867 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:53:16,867 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:53:16,867 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:53:16,867 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:53:16,867 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-08-22 16:53:16,867 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-08-22 16:53:16,867 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-08-22 16:53:16,867 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-08-22 16:53:16,868 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-08-22 16:53:16,868 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-08-22 16:53:16,868 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-08-22 16:53:16,868 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-08-22 16:53:16,868 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-08-22 16:53:16,868 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:53:16,868 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:53:16,869 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:53:16,869 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:53:16,869 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:53:16,869 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:53:16,869 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:53:16,869 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-08-22 16:53:16,869 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-08-22 16:53:16,870 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-08-22 16:53:16,870 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-08-22 16:53:16,870 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-08-22 16:53:16,870 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-08-22 16:53:16,870 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-08-22 16:53:16,870 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-08-22 16:53:16,870 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-08-22 16:53:16,870 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-08-22 16:53:16,871 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-08-22 16:53:16,871 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-08-22 16:53:16,871 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-08-22 16:53:16,871 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:53:16,871 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:53:16,871 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:53:16,871 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:53:16,871 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-08-22 16:53:16,872 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:53:16,872 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:53:16,872 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-08-22 16:53:16,872 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-08-22 16:53:16,872 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-08-22 16:53:16,872 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-08-22 16:53:16,872 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-08-22 16:53:16,873 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-08-22 16:53:16,873 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-08-22 16:53:16,873 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-08-22 16:53:16,873 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-08-22 16:53:16,873 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-08-22 16:53:16,873 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-08-22 16:53:16,873 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-08-22 16:53:16,874 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-08-22 16:53:16,874 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:53:16,874 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:53:16,874 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:53:16,874 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:53:16,874 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:53:16,874 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:53:16,874 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-08-22 16:53:16,875 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-08-22 16:53:16,875 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-08-22 16:53:16,875 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-08-22 16:53:16,875 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-08-22 16:53:16,875 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-08-22 16:53:16,875 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-08-22 16:53:16,875 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-08-22 16:53:16,876 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-08-22 16:53:16,876 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-08-22 16:53:16,876 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-08-22 16:53:16,881 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~a10~0)|))) (.cse0 (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|))) (.cse2 (not (<= |old(~a19~0)| 9)))) (and (or .cse0 (= 3 |old(~a10~0)|) .cse1) (or (not (<= |old(~a19~0)| 8)) .cse0 .cse1) (or (not (<= |old(~a10~0)| 0)) .cse0 (not (<= 8 |old(~a19~0)|))) (or .cse0 (not (<= 2 |old(~a10~0)|)) .cse2 (not (= 14 ~a4~0)) (not (= ~a12~0 0))) (or .cse0 (not (<= |old(~a1~0)| 23)) .cse2))) [2020-08-22 16:53:16,882 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-08-22 16:53:16,882 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-08-22 16:53:16,882 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-08-22 16:53:16,882 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:53:16,882 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:53:16,882 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:53:16,882 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:53:16,883 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:53:16,883 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:53:16,883 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-08-22 16:53:16,883 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-08-22 16:53:16,883 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-08-22 16:53:16,883 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-08-22 16:53:16,883 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-08-22 16:53:16,883 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-08-22 16:53:16,884 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-08-22 16:53:16,884 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-08-22 16:53:16,884 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-08-22 16:53:16,884 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-08-22 16:53:16,884 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-08-22 16:53:16,884 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-08-22 16:53:16,884 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-08-22 16:53:16,884 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:53:16,884 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:53:16,885 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:53:16,885 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:53:16,885 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:53:16,885 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:53:16,885 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-08-22 16:53:16,885 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-08-22 16:53:16,885 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-08-22 16:53:16,885 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-08-22 16:53:16,886 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-08-22 16:53:16,886 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-08-22 16:53:16,886 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-08-22 16:53:16,886 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-08-22 16:53:16,886 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-08-22 16:53:16,886 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-08-22 16:53:16,886 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-08-22 16:53:16,886 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-08-22 16:53:16,886 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:53:16,887 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:53:16,887 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:53:16,887 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:53:16,887 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:53:16,887 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 16:53:16,887 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-08-22 16:53:16,887 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-08-22 16:53:16,887 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-08-22 16:53:16,887 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-08-22 16:53:16,888 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-08-22 16:53:16,888 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-08-22 16:53:16,888 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-08-22 16:53:16,888 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-08-22 16:53:16,888 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-08-22 16:53:16,888 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-08-22 16:53:16,888 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-08-22 16:53:16,888 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-08-22 16:53:16,888 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-22 16:53:16,889 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a10~0 0) (= ~a4~0 14) (<= 8 ~a19~0) (<= 23 ~a1~0) (= ~a12~0 0) (<= ~a19~0 9) (<= ~a1~0 23)) [2020-08-22 16:53:16,889 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-22 16:53:16,889 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-22 16:53:16,889 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (and (<= 23 ~a1~0) (<= ~a1~0 23) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) (not (<= 8 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (not (<= |old(~a19~0)| 9)) (not (= 14 ~a4~0)) (not (= ~a12~0 0))) [2020-08-22 16:53:16,889 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-08-22 16:53:16,890 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse1 (<= ~a19~0 9)) (.cse0 (<= 9 |old(~a19~0)|))) (or (not (<= 23 |old(~a1~0)|)) (and .cse0 .cse1 (<= ~a1~0 23)) (and .cse0 .cse1 (<= 2 ~a10~0)) (and (<= ~a10~0 0) .cse0 (<= 8 ~a19~0)) (not (<= |old(~a10~0)| 0)) (and .cse0 (not (= ~a10~0 3)) (<= 1 ~a10~0)) (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) (not (<= |old(~a1~0)| 23)) (not (<= 8 |old(~a19~0)|)) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)) (not (= ~a12~0 0)))) [2020-08-22 16:53:16,895 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-08-22 16:53:16,895 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-08-22 16:53:16,895 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse1 (<= ~a19~0 9)) (.cse0 (<= 9 |old(~a19~0)|))) (or (not (<= 23 |old(~a1~0)|)) (and .cse0 .cse1 (<= ~a1~0 23)) (and .cse0 .cse1 (<= 2 ~a10~0)) (and (<= ~a10~0 0) .cse0 (<= 8 ~a19~0)) (not (<= |old(~a10~0)| 0)) (and .cse0 (not (= ~a10~0 3)) (<= 1 ~a10~0)) (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) (not (<= |old(~a1~0)| 23)) (not (<= 8 |old(~a19~0)|)) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)) (not (= ~a12~0 0)))) [2020-08-22 16:53:16,896 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-08-22 16:53:16,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 04:53:16 BoogieIcfgContainer [2020-08-22 16:53:16,926 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 16:53:16,929 INFO L168 Benchmark]: Toolchain (without parser) took 21873.19 ms. Allocated memory was 147.3 MB in the beginning and 481.3 MB in the end (delta: 334.0 MB). Free memory was 102.0 MB in the beginning and 375.3 MB in the end (delta: -273.3 MB). Peak memory consumption was 315.8 MB. Max. memory is 7.1 GB. [2020-08-22 16:53:16,930 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 147.3 MB. Free memory was 121.9 MB in the beginning and 121.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-22 16:53:16,931 INFO L168 Benchmark]: CACSL2BoogieTranslator took 754.95 ms. Allocated memory was 147.3 MB in the beginning and 206.0 MB in the end (delta: 58.7 MB). Free memory was 101.8 MB in the beginning and 171.8 MB in the end (delta: -70.0 MB). Peak memory consumption was 31.4 MB. Max. memory is 7.1 GB. [2020-08-22 16:53:16,932 INFO L168 Benchmark]: Boogie Preprocessor took 129.19 ms. Allocated memory is still 206.0 MB. Free memory was 171.8 MB in the beginning and 167.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-08-22 16:53:16,939 INFO L168 Benchmark]: RCFGBuilder took 1341.17 ms. Allocated memory was 206.0 MB in the beginning and 238.6 MB in the end (delta: 32.5 MB). Free memory was 167.6 MB in the beginning and 179.9 MB in the end (delta: -12.3 MB). Peak memory consumption was 81.2 MB. Max. memory is 7.1 GB. [2020-08-22 16:53:16,940 INFO L168 Benchmark]: TraceAbstraction took 19643.12 ms. Allocated memory was 238.6 MB in the beginning and 481.3 MB in the end (delta: 242.7 MB). Free memory was 179.9 MB in the beginning and 375.3 MB in the end (delta: -195.4 MB). Peak memory consumption was 302.5 MB. Max. memory is 7.1 GB. [2020-08-22 16:53:16,951 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 147.3 MB. Free memory was 121.9 MB in the beginning and 121.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 754.95 ms. Allocated memory was 147.3 MB in the beginning and 206.0 MB in the end (delta: 58.7 MB). Free memory was 101.8 MB in the beginning and 171.8 MB in the end (delta: -70.0 MB). Peak memory consumption was 31.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 129.19 ms. Allocated memory is still 206.0 MB. Free memory was 171.8 MB in the beginning and 167.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1341.17 ms. Allocated memory was 206.0 MB in the beginning and 238.6 MB in the end (delta: 32.5 MB). Free memory was 167.6 MB in the beginning and 179.9 MB in the end (delta: -12.3 MB). Peak memory consumption was 81.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 19643.12 ms. Allocated memory was 238.6 MB in the beginning and 481.3 MB in the end (delta: 242.7 MB). Free memory was 179.9 MB in the beginning and 375.3 MB in the end (delta: -195.4 MB). Peak memory consumption was 302.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 85]: 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: 582]: Loop Invariant Derived loop invariant: ((((((((((!(23 <= \old(a1)) || ((9 <= \old(a19) && a19 <= 9) && a1 <= 23)) || ((9 <= \old(a19) && a19 <= 9) && 2 <= a10)) || ((a10 <= 0 && 9 <= \old(a19)) && 8 <= a19)) || !(\old(a10) <= 0)) || ((9 <= \old(a19) && !(a10 == 3)) && 1 <= a10)) || ((a1 == \old(a1) && a19 == \old(a19)) && a10 == \old(a10))) || !(\old(a1) <= 23)) || !(8 <= \old(a19))) || !(14 == a4)) || !(\old(a19) <= 9)) || !(a12 == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 18.0s, OverallIterations: 7, TraceHistogramMax: 3, AutomataDifference: 13.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 507 SDtfs, 3344 SDslu, 308 SDs, 0 SdLazy, 6367 SolverSat, 1339 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 9.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 839 GetRequests, 753 SyntacticMatches, 0 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 444 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1937occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 7 MinimizatonAttempts, 1109 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 75 PreInvPairs, 119 NumberOfFragments, 359 HoareAnnotationTreeSize, 75 FomulaSimplifications, 17355 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2771 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 1745 NumberOfCodeBlocks, 1745 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1734 ConstructedInterpolants, 0 QuantifiedInterpolants, 664972 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1390 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 11 InterpolantComputations, 6 PerfectInterpolantSequences, 663/892 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...